NPORT-EX 2 AAPI100AMU103123.htm
Pioneer Balanced ESG Fund
Schedule of Investments  |  October 31, 2023
         
A: AOBLX C: PCBCX K: PCBKX R: CBPRX Y: AYBLX
Schedule of Investments  |  10/31/23
(unaudited) 
Principal
Amount
USD ($) 		          Value
  UNAFFILIATED ISSUERS — 102.1%  
  Senior Secured Floating Rate Loan
Interests — 0.1% of Net Assets*(a) 		 
  Chemicals-Diversified — 0.0%†  
39,400 LSF11 A5 HoldCo LLC, Term Loan, 8.938% (Term SOFR + 350 bps), 10/15/28 $     38,425
  Total Chemicals-Diversified      $38,425
  Electric-Generation — 0.0%†  
59,782 Generation Bridge Northeast LLC, Term Loan B, 9.574% (Term SOFR + 425 bps), 8/22/29 $     59,931
  Total Electric-Generation      $59,931
  Finance-Leasing Company — 0.0%†  
71,676 Avolon TLB Borrower 1 (US) LLC, Term B-4 Loan, 6.939% (Term SOFR + 150 bps), 2/12/27 $     71,671
  Total Finance-Leasing Company      $71,671
  Medical-Wholesale Drug Distribution — 0.0%†  
58,337 Owens & Minor, Inc., Term B-1 Loan, 9.24% (Term SOFR + 375 bps), 3/29/29 $     58,435
  Total Medical-Wholesale Drug Distribution      $58,435
  Metal Processors & Fabrication — 0.0%†  
98,000 Grinding Media, Inc. (Molycop, Ltd.), First Lien Initial Term Loan, 9.684% (Term SOFR + 400 bps), 10/12/28 $     95,550
  Total Metal Processors & Fabrication      $95,550
  REITS-Storage — 0.1%  
165,375 Iron Mountain Information Management LLC, Incremental Term B Loan , 7.189% (LIBOR + 175 bps), 1/2/26 $    165,220
  Total REITS-Storage     $165,220
  Total Senior Secured Floating Rate Loan Interests
(Cost $490,608) 		    $489,232
Shares            
  Common Stocks — 59.0% of Net Assets  
  Air Freight & Logistics — 0.3%  
9,293 United Parcel Service, Inc., Class B $  1,312,636
  Total Air Freight & Logistics   $1,312,636
1Pioneer Balanced ESG Fund |  | 10/31/23
Shares           Value
  Automobiles — 0.8%  
42,069 Honda Motor Co., Ltd. (A.D.R.) $  1,293,622
96,000 Subaru Corp.   1,621,059
  Total Automobiles   $2,914,681
  Beverages — 0.8%  
19,155 PepsiCo., Inc. $  3,127,628
  Total Beverages   $3,127,628
  Biotechnology — 1.2%  
30,973 AbbVie, Inc. $  4,372,768
  Total Biotechnology   $4,372,768
  Building Products — 1.1%  
82,113 Johnson Controls International Plc $  4,025,179
  Total Building Products   $4,025,179
  Capital Markets — 1.8%  
58,811 Bank of New York Mellon Corp. $  2,499,468
20,663 CME Group, Inc.   4,410,724
  Total Capital Markets   $6,910,192
  Chemicals — 0.5%  
7,051 Air Products and Chemicals, Inc. $  1,991,484
  Total Chemicals   $1,991,484
  Communications Equipment — 2.9%  
124,848 Cisco Systems, Inc. $  6,508,326
15,764 Motorola Solutions, Inc.   4,389,644
  Total Communications Equipment  $10,897,970
  Construction Materials — 1.1%  
75,424 CRH Plc $  4,040,464
  Total Construction Materials   $4,040,464
  Electrical Equipment — 1.8%  
17,505 Eaton Corp. Plc $  3,639,465
82,204 Prysmian S.p.A.   3,069,526
  Total Electrical Equipment   $6,708,991
  Electronic Equipment, Instruments & Components —
0.5% 		 
17,225 TE Connectivity, Ltd. $  2,029,966
  Total Electronic Equipment, Instruments & Components   $2,029,966
Pioneer Balanced ESG Fund |  | 10/31/232
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Shares           Value
  Entertainment — 1.1%  
52,897(b) Walt Disney Co. $  4,315,866
  Total Entertainment   $4,315,866
  Financial Services — 1.7%  
27,520 Visa, Inc., Class A $  6,469,952
  Total Financial Services   $6,469,952
  Food Products — 1.3%  
53,529 Lamb Weston Holdings, Inc. $  4,806,904
  Total Food Products   $4,806,904
  Health Care Equipment & Supplies — 2.1%  
8,075(b) Intuitive Surgical, Inc. $  2,117,427
80,915 Medtronic Plc   5,709,362
  Total Health Care Equipment & Supplies   $7,826,789
  Health Care Providers & Services — 3.5%  
62,955 Cardinal Health, Inc. $  5,728,905
14,855 Cigna Group   4,593,166
6,889 Elevance Health, Inc.   3,100,670
  Total Health Care Providers & Services  $13,422,741
  Hotels, Restaurants & Leisure — 1.8%  
98,556 Cedar Fair LP $  3,498,738
5,061 Vail Resorts, Inc.   1,074,198
32,748 Wyndham Hotels & Resorts, Inc.   2,370,955
  Total Hotels, Restaurants & Leisure   $6,943,891
  Household Durables — 0.6%  
26,564 Sony Group Corp. (A.D.R.) $  2,206,140
  Total Household Durables   $2,206,140
  Household Products — 0.6%  
35,287 Reckitt Benckiser Group Plc $  2,359,785
  Total Household Products   $2,359,785
  Insurance — 1.4%#  
14,241 Chubb, Ltd. $  3,056,404
49,393 Sun Life Financial, Inc.   2,255,778
  Total Insurance   $5,312,182
  Interactive Media & Services — 4.9%  
148,298(b) Alphabet, Inc., Class A $ 18,400,816
  Total Interactive Media & Services  $18,400,816
3Pioneer Balanced ESG Fund |  | 10/31/23
Shares           Value
  Life Sciences Tools & Services — 0.4%  
9,063(b) IQVIA Holdings, Inc. $  1,638,862
  Total Life Sciences Tools & Services   $1,638,862
  Machinery — 0.8%  
8,022 Deere & Co. $  2,930,918
  Total Machinery   $2,930,918
  Metals & Mining — 1.6%  
9,458 Reliance Steel & Aluminum Co. $  2,405,926
102,274 Teck Resources, Ltd., Class B   3,614,363
  Total Metals & Mining   $6,020,289
  Oil, Gas & Consumable Fuels — 3.2%  
28,028 Phillips 66 $  3,197,154
57,291 Shell Plc (A.D.R.)   3,731,936
60,570 Targa Resources Corp.   5,064,257
  Total Oil, Gas & Consumable Fuels  $11,993,347
  Personal Care Products — 0.5%  
112,006 Kenvue, Inc. $  2,083,312
  Total Personal Care Products   $2,083,312
  Pharmaceuticals — 2.6%  
12,544 Eli Lilly & Co. $  6,948,498
19,479 Merck KGaA   2,933,937
  Total Pharmaceuticals   $9,882,435
  Professional Services — 0.7%  
11,383 Automatic Data Processing, Inc. $  2,483,998
  Total Professional Services   $2,483,998
  Semiconductors & Semiconductor Equipment — 3.1%  
56,434(b) Advanced Micro Devices, Inc. $  5,558,749
12,083 Analog Devices, Inc.   1,901,018
4,130 Lam Research Corp.   2,429,349
23,708 Microchip Technology, Inc.   1,690,143
  Total Semiconductors & Semiconductor Equipment  $11,579,259
  Software — 6.0%  
10,420(b) Adobe, Inc. $  5,544,065
41,154 Microsoft Corp.  13,914,579
29,762 Oracle Corp.   3,077,391
  Total Software  $22,536,035
  Specialized REITs — 1.1%  
20,196 Crown Castle, Inc. $  1,877,824
Pioneer Balanced ESG Fund |  | 10/31/234
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Shares           Value
  Specialized REITs — (continued)  
7,895 Digital Realty Trust, Inc. $    981,823
1,894 Equinix, Inc.   1,381,938
  Total Specialized REITs   $4,241,585
  Specialty Retail — 2.7%  
10,514 Home Depot, Inc. $  2,993,231
48,736 TJX Cos., Inc.   4,292,179
8,019(b) Ulta Beauty, Inc.   3,057,725
  Total Specialty Retail  $10,343,135
  Technology Hardware, Storage & Peripherals — 2.7%  
287,963 Hewlett Packard Enterprise Co. $  4,428,871
100,356(b) Pure Storage, Inc., Class A   3,393,036
1,888 Samsung Electronics Co., Ltd. (G.D.R.) (144A)   2,352,448
  Total Technology Hardware, Storage & Peripherals  $10,174,355
  Trading Companies & Distributors — 1.8%  
54,840(b) AerCap Holdings NV $  3,406,661
23,955 Ferguson Plc   3,598,041
  Total Trading Companies & Distributors   $7,004,702
  Total Common Stocks
(Cost $163,772,006) 		$223,309,257
Principal
Amount
USD ($) 		           
  Asset Backed Securities — 2.3% of Net
Assets 		 
66,288 Accelerated LLC, Series 2021-1H, Class C, 2.35%, 10/20/40 (144A) $     59,280
300,000 Amur Equipment Finance Receivables XI LLC, Series 2022-2A, Class D, 7.25%, 5/21/29 (144A)      292,241
100,000 Amur Equipment Finance Receivables XII LLC, Series 2023-1A, Class C, 6.36%, 12/20/29 (144A)       98,036
300,000(a) Arbor Realty Commercial Real Estate Notes, Ltd., Series 2021-FL3, Class C, 7.299% (1 Month Term SOFR + 196 bps), 8/15/34 (144A)      284,476
250,000(a) Arbor Realty Commercial Real Estate Notes, Ltd., Series 2022-FL1, Class C, 7.62% (SOFR30A + 230 bps), 1/15/37 (144A)      238,783
400,000(a) Arbor Realty Commercial Real Estate Notes, Ltd., Series 2022-FL2, Class C, 8.785% (1 Month Term SOFR + 345 bps), 5/15/37 (144A)      390,887
5Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  Asset Backed Securities — (continued)  
250,000(a) Benefit Street Partners CLO XIX, Ltd., Series 2019-19A, Class D, 9.455% (3 Month Term SOFR + 406 bps), 1/15/33 (144A) $    245,600
194,246 Blackbird Capital Aircraft, Series 2021-1A, Class A, 2.443%, 7/15/46 (144A)      163,963
160,000(a) BSPRT Issuer, Ltd., Series 2022-FL8, Class C, 7.62% (SOFR30A + 230 bps), 2/15/37 (144A)      153,008
118,038 BXG Receivables Note Trust, Series 2018-A, Class C, 4.44%, 2/2/34 (144A)      111,624
250,000(a) Carlyle US CLO, Ltd., Series 2019-4A, Class CR, 8.594% (3 Month Term SOFR + 320 bps), 4/15/35 (144A)      234,299
100,000(c) Cascade Funding Mortgage Trust, Series 2021-HB6, Class M3, 3.735%, 6/25/36 (144A)       95,151
128,025(c) Cascade MH Asset Trust, Series 2019-MH1, Class A, 4.00%, 11/25/44 (144A)      121,153
150,000 Cascade MH Asset Trust, Series 2021-MH1, Class M1, 2.992%, 2/25/46 (144A)      100,201
450,000(c) CFMT LLC, Series 2021-HB5, Class M3, 2.91%, 2/25/31 (144A)      441,168
200,000(c) CFMT LLC, Series 2021-HB7, Class M3, 3.849%, 10/27/31 (144A)      183,116
130,000(c) CFMT LLC, Series 2022-HB9, Class M3, 3.25%, 9/25/37 (144A)       99,753
200,000 Commercial Equipment Finance LLC, Series 2021-A, Class C, 3.55%, 12/15/28 (144A)      188,757
400,000 Continental Finance Credit Card ABS Master Trust, Series 2022-A, Class A, 6.19%, 10/15/30 (144A)      389,346
101,949 CoreVest American Finance Trust, Series 2020-3, Class A, 1.358%, 8/15/53 (144A)       93,120
500,000 Crossroads Asset Trust, Series 2021-A, Class D, 2.52%, 1/20/26 (144A)      485,847
100,000 DataBank Issuer, Series 2021-1A, Class B, 2.65%, 2/27/51 (144A)       85,105
192,500 Domino's Pizza Master Issuer LLC, Series 2019-1A, Class A2, 3.668%, 10/25/49 (144A)      164,056
27,297 Drive Auto Receivables Trust, Series 2020-2, Class D, 3.05%, 5/15/28       26,857
400,000(c) Finance of America HECM Buyout, Series 2022-HB1, Class M3, 5.084%, 2/25/32 (144A)      335,805
37,103 Foundation Finance Trust, Series 2021-1A, Class A, 1.27%, 5/15/41 (144A)       32,281
271,604(a) Gracie Point International Funding, Series 2022-2A, Class A, 8.067% (SOFR30A + 275 bps), 7/1/24 (144A)      272,693
Pioneer Balanced ESG Fund |  | 10/31/236
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Asset Backed Securities — (continued)  
125,000(a) HGI CRE CLO, Ltd., Series 2021-FL2, Class C, 7.249% (1 Month Term SOFR + 191 bps), 9/17/36 (144A) $    119,462
196,000 HOA Funding LLC - HOA, Series 2021-1A, Class A2, 4.723%, 8/20/51 (144A)      160,547
118,372 Home Partners of America Trust, Series 2019-1, Class D, 3.406%, 9/17/39 (144A)      102,798
165,832 Home Partners of America Trust, Series 2019-2, Class E, 3.32%, 10/19/39 (144A)      137,911
100,000 HPEFS Equipment Trust, Series 2023-2A, Class D, 6.97%, 7/21/31 (144A)       99,937
450,000(a) MF1, Ltd., Series 2021-FL7, Class D, 7.999% (1 Month Term SOFR + 266 bps), 10/16/36 (144A)      419,056
36,342 Mosaic Solar Loan Trust, Series 2019-2A, Class A, 2.88%, 9/20/40 (144A)       30,666
90,114 Mosaic Solar Loan Trust, Series 2020-1A, Class A, 2.10%, 4/20/46 (144A)       75,398
150,000 Nelnet Student Loan Trust, Series 2021-A, Class B1, 2.85%, 4/20/62 (144A)      117,324
100,000 NMEF Funding LLC, Series 2021-A, Class C, 2.58%, 12/15/27 (144A)       95,624
100,000 NMEF Funding LLC, Series 2022-B, Class C, 8.54%, 6/15/29 (144A)       99,141
119,711 Oportun Funding XIV LLC, Series 2021-A, Class C, 3.44%, 3/8/28 (144A)      113,810
239,857(a) ReadyCap Lending Small Business Loan Trust, Series 2023-3, Class A, 8.57% (PRIME + 7 bps), 4/25/48 (144A)      239,515
250,000 Republic Finance Issuance Trust, Series 2021-A, Class A, 2.30%, 12/22/31 (144A)      232,052
100,000 Republic Finance Issuance Trust, Series 2021-A, Class C, 3.53%, 12/22/31 (144A)       85,687
250,000 SCF Equipment Leasing LLC, Series 2021-1A, Class D, 1.93%, 9/20/30 (144A)      226,959
68,922 SpringCastle America Funding LLC, Series 2020-AA, Class A, 1.97%, 9/25/37 (144A)       62,665
325,000(a) STWD, Ltd., Series 2022-FL3, Class B, 7.27% (SOFR30A + 195 bps), 11/15/38 (144A)      312,685
31,089 Tricolor Auto Securitization Trust, Series 2021-1A, Class D, 1.92%, 5/15/26 (144A)       30,969
120,000 Tricon American Homes Trust, Series 2020-SFR2, Class E1, 2.73%, 11/17/39 (144A)      100,967
105,000 VFI ABS LLC, Series 2023-1A, Class C, 9.26%, 12/24/29 (144A)      105,087
7Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  Asset Backed Securities — (continued)  
120,655 Welk Resorts LLC, Series 2019-AA, Class C, 3.34%, 6/15/38 (144A) $    112,889
40,998 Westgate Resorts LLC, Series 2020-1A, Class C, 6.213%, 3/20/34 (144A)       40,533
214,409 Westgate Resorts LLC, Series 2022-1A, Class C, 2.488%, 8/20/36 (144A)     201,777
  Total Asset Backed Securities
(Cost $9,349,821) 		  $8,710,065
  Collateralized Mortgage
Obligations—2.5% of Net Assets 		 
68,566(a) Bellemeade Re, Ltd., Series 2020-3A, Class M1C, 9.135% (SOFR30A + 381 bps), 10/25/30 (144A) $     69,165
36,256(a) Bellemeade Re, Ltd., Series 2020-4A, Class M2B, 9.039% (1 Month USD LIBOR + 360 bps), 6/25/30 (144A)       36,479
425,000(c) BINOM Securitization Trust, Series 2022-RPL1, Class M2, 3.00%, 2/25/61 (144A)      254,044
100,000(c) Bunker Hill Loan Depositary Trust, Series 2020-1, Class A3, 3.253%, 2/25/55 (144A)       83,921
500,000(c) Citigroup Mortgage Loan Trust, Series 2018-RP3, Class M3, 3.25%, 3/25/61 (144A)      370,504
663,287(c) Citigroup Mortgage Loan Trust, Series 2021-INV2, Class B1W, 2.99%, 5/25/51 (144A)      482,871
2,745(a) Connecticut Avenue Securities Trust, Series 2019-R07, Class 1M2, 7.535% (SOFR30A + 221 bps), 10/25/39 (144A)        2,744
32,723(a) Connecticut Avenue Securities Trust, Series 2020-R02, Class 2M2, 7.435% (SOFR30A + 211 bps), 1/25/40 (144A)       32,764
150,000(a) Connecticut Avenue Securities Trust, Series 2022-R02, Class 2M2, 8.321% (SOFR30A + 300 bps), 1/25/42 (144A)      149,942
82,591(a) Eagle Re, Ltd., Series 2018-1, Class M1, 7.139% (1 Month USD LIBOR + 170 bps), 11/25/28 (144A)       82,616
210,000(a) Eagle Re, Ltd., Series 2023-1, Class M1B, 9.271% (SOFR30A + 395 bps), 9/26/33 (144A)      209,998
2,550(a) Federal Home Loan Mortgage Corp. REMICs, Series 1671, Class S, 6.085% (SOFR30A + 76 bps), 2/15/24        2,547
176,409 Federal Home Loan Mortgage Corp. REMICs, Series 3816, Class HA, 3.50%, 11/15/25      171,800
Pioneer Balanced ESG Fund |  | 10/31/238
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Collateralized Mortgage
Obligations—(continued) 		 
12,732(a) Federal Home Loan Mortgage Corp. REMICs, Series 3868, Class FA, 5.835% (SOFR30A + 51 bps), 5/15/41 $     12,364
103,228(a)(d) Federal Home Loan Mortgage Corp. REMICs, Series 4091, Class SH, 1.115% (SOFR30A + 644 bps), 8/15/42        9,326
81,992(d) Federal Home Loan Mortgage Corp. REMICs, Series 4999, Class QI, 4.00%, 5/25/50       15,714
108,127(d) Federal Home Loan Mortgage Corp. REMICs, Series 5067, Class GI, 4.00%, 12/25/50       21,066
14,032(a) Federal National Mortgage Association REMICs, Series 2006-104, Class GF, 5.755% (SOFR30A + 43 bps), 11/25/36       13,671
18,923(a) Federal National Mortgage Association REMICs, Series 2006-23, Class FP, 5.735% (SOFR30A + 41 bps), 4/25/36       18,367
7,210(a) Federal National Mortgage Association REMICs, Series 2007-93, Class FD, 5.985% (SOFR30A + 66 bps), 9/25/37        7,039
45,279(a) Federal National Mortgage Association REMICs, Series 2011-63, Class FG, 5.885% (SOFR30A + 56 bps), 7/25/41       44,038
69,610(d) Federal National Mortgage Association REMICs, Series 2020-83, Class EI, 4.00%, 11/25/50       14,229
44,544(a) Freddie Mac STACR REMIC Trust, Series 2020-DNA5, Class M2, 8.121% (SOFR30A + 280 bps), 10/25/50 (144A)       45,135
485,000(a) Freddie Mac STACR REMIC Trust, Series 2021-HQA3, Class B1, 8.671% (SOFR30A + 335 bps), 9/25/41 (144A)      481,362
400,000(a) Freddie Mac STACR REMIC Trust, Series 2021-HQA3, Class M2, 7.421% (SOFR30A + 210 bps), 9/25/41 (144A)      388,500
300,281(d) Government National Mortgage Association, Series 2019-159, Class CI, 3.50%, 12/20/49       52,596
250,613(a)(d) Government National Mortgage Association, Series 2020-9, Class SA, 0.000% (1 Month Term SOFR + 324 bps), 1/20/50        1,677
160,000(c) GS Mortgage-Backed Securities Corp. Trust, Series 2022-PJ4, Class A33, 3.00%, 9/25/52 (144A)       97,704
49,424(c) GS Mortgage-Backed Securities Trust, Series 2020-NQM1, Class A3, 2.352%, 9/27/60 (144A)       44,384
9Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  Collateralized Mortgage
Obligations—(continued) 		 
296,802(c) GS Mortgage-Backed Securities Trust, Series 2022-PJ1, Class A4, 2.50%, 5/28/52 (144A) $    211,251
68,968(a) Home Re, Ltd., Series 2019-1, Class M1, 7.089% (1 Month USD LIBOR + 165 bps), 5/25/29 (144A)       68,968
65,572(a) Home Re, Ltd., Series 2020-1, Class M2, 10.689% (1 Month USD LIBOR + 525 bps), 10/25/30 (144A)       66,133
100,000(c) Homeward Opportunities Fund I Trust, Series 2020-2, Class A3, 3.196%, 5/25/65 (144A)       92,528
100,000(c) Imperial Fund Mortgage Trust, Series 2021-NQM2, Class B1, 3.295%, 9/25/56 (144A)       52,392
100,000(c) Imperial Fund Mortgage Trust, Series 2021-NQM2, Class M1, 2.489%, 9/25/56 (144A)       52,314
332,212 IMS Ecuadorian Mortgage Trust, Series 2021-1, Class GA, 3.40%, 8/18/43 (144A)      303,143
124,449(c) JP Morgan Mortgage Trust, Series 2021-13, Class B1, 3.142%, 4/25/52 (144A)       91,022
282,948(c) JP Morgan Mortgage Trust, Series 2021-7, Class B2, 2.80%, 11/25/51 (144A)      188,417
122,400(c) JP Morgan Mortgage Trust, Series 2021-INV1, Class B1, 2.979%, 10/25/51 (144A)       89,108
800,000(c) JP Morgan Mortgage Trust, Series 2022-2, Class A5A, 2.50%, 8/25/52 (144A)      445,963
210,000(c) JP Morgan Mortgage Trust, Series 2022-4, Class A5, 3.00%, 10/25/52 (144A)      127,936
668,553(c) JP Morgan Mortgage Trust, Series 2022-8, Class B2, 4.675%, 1/25/53 (144A)      532,773
250,000(c) JP Morgan Mortgage Trust, Series 2022-LTV1, Class M1, 3.523%, 7/25/52 (144A)      133,114
338,192(c) Mello Mortgage Capital Acceptance, Series 2021-INV2, Class A15, 2.50%, 8/25/51 (144A)      240,711
300,000(c) Mello Mortgage Capital Acceptance, Series 2021-INV2, Class A5, 2.50%, 8/25/51 (144A)      168,633
47,800(c) MFA Trust, Series 2020-NQM1, Class A3, 2.30%, 8/25/49 (144A)       42,523
300,000(c) Mill City Mortgage Loan Trust, Series 2019-GS2, Class M3, 3.25%, 8/25/59 (144A)      219,365
32,409(c) New Residential Mortgage Loan Trust, Series 2019-NQM4, Class A1, 2.492%, 9/25/59 (144A)       29,198
93,382(a) Oaktown Re V, Ltd., Series 2020-2A, Class M2, 10.685% (SOFR30A + 536 bps), 10/25/30 (144A)       95,003
561,240(c) PRMI Securitization Trust, Series 2021-1, Class B1, 2.479%, 4/25/51 (144A)      371,812
Pioneer Balanced ESG Fund |  | 10/31/2310
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Collateralized Mortgage
Obligations—(continued) 		 
269,871(c) Provident Funding Mortgage Trust, Series 2021-2, Class A9, 2.25%, 4/25/51 (144A) $    192,083
150,000(a) Radnor Re, Ltd., Series 2023-1, Class M1A, 8.021% (SOFR30A + 270 bps), 7/25/33 (144A)      150,887
312,613(c) RCKT Mortgage Trust, Series 2021-3, Class A25, 2.50%, 7/25/51 (144A)      222,505
275,790(c) RCKT Mortgage Trust, Series 2021-4, Class B1A, 3.007%, 9/25/51 (144A)      200,987
385,000(c) RCKT Mortgage Trust, Series 2022-3, Class A17, 3.00%, 5/25/52 (144A)      229,797
37,567(c) RMF Proprietary Issuance Trust, Series 2019-1, Class A, 2.75%, 10/25/63 (144A)       31,765
318,557(c) RMF Proprietary Issuance Trust, Series 2021-2, Class A, 2.125%, 9/25/61 (144A)      246,391
150,000(c) Sequoia Mortgage Trust, Series 2022-1, Class A7, 2.50%, 2/25/52 (144A)       83,824
140,000(a) Towd Point Mortgage Trust, Series 2019-HY1, Class B2, 7.589% (1 Month Term SOFR + 226 bps), 10/25/48 (144A)      130,650
400,000(c) UWM Mortgage Trust, Series 2021-INV1, Class A5, 2.50%, 8/25/51 (144A)      227,427
675,000(c) UWM Mortgage Trust, Series 2021-INV2, Class A5, 2.50%, 9/25/51 (144A)      383,844
59,008(c) Visio Trust, Series 2019-2, Class A1, 2.722%, 11/25/54 (144A)       55,243
368,170(c) Wells Fargo Mortgage Backed Securities Trust, Series 2020-5, Class B2, 2.914%, 9/25/50 (144A)      270,976
100,000(c) Wells Fargo Mortgage Backed Securities Trust, Series 2022-2, Class A5, 3.00%, 12/25/51 (144A)       60,691
335,000(c) Wells Fargo Mortgage Backed Securities Trust, Series 2022-2, Class A6, 2.50%, 12/25/51 (144A)     186,022
  Total Collateralized Mortgage Obligations
(Cost $11,972,442) 		  $9,511,966
  Commercial Mortgage-Backed
Securities—1.4% of Net Assets 		 
300,000 Benchmark Mortgage Trust, Series 2018-B8, Class A4, 3.963%, 1/15/52 $    273,111
200,000(c) Benchmark Mortgage Trust, Series 2022-B34, Class AM, 3.832%, 4/15/55      151,850
207,730 Citigroup Commercial Mortgage Trust, Series 2018-C5, Class A3, 3.963%, 6/10/51      189,865
11Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  Commercial Mortgage-Backed
Securities—(continued) 		 
8,331,555(c)(d) COMM Mortgage Trust, Series 2014-CR18, Class XA, 0.914%, 7/15/47 $     21,440
732 Credit Suisse First Boston Mortgage Securities Corp., Series 2005-C2, Class AMFX, 4.877%, 4/15/37          719
250,000(c) CSAIL Commercial Mortgage Trust, Series 2015-C4, Class AS, 4.174%, 11/15/48      233,818
13,692(a) Freddie Mac Multifamily Structured Credit Risk, Series 2021-MN1, Class M1, 7.321% (SOFR30A + 200 bps), 1/25/51 (144A)       13,282
550,000(a) Freddie Mac Multifamily Structured Credit Risk, Series 2021-MN3, Class M2, 9.321% (SOFR30A + 400 bps), 11/25/51 (144A)      522,184
300,000 Freddie Mac Multifamily Structured Pass Through Certificates, Series K729, Class A2, 3.136%, 10/25/24      292,979
100,000(c) FREMF Mortgage Trust, Series 2017-KW03, Class B, 4.077%, 7/25/27 (144A)       90,074
109,745(a) FREMF Mortgage Trust, Series 2019-KF64, Class B, 7.731% (SOFR30A + 241 bps), 6/25/26 (144A)      104,874
205,648(a) FREMF Mortgage Trust, Series 2019-KF66, Class B, 7.831% (SOFR30A + 251 bps), 7/25/29 (144A)      188,774
250,000(c) FREMF Trust, Series 2018-KW04, Class B, 3.926%, 9/25/28 (144A)      208,852
825,063(c)(d) Government National Mortgage Association, Series 2017-21, Class IO, 0.633%, 10/16/58       28,310
400,000(a) GS Mortgage Securities Corportation Trust, Series 2021-IP, Class D, 7.549% (1 Month Term SOFR + 221 bps), 10/15/36 (144A)      360,439
375,000 JP Morgan Chase Commercial Mortgage Securities Trust, Series 2018-WPT, Class AFX, 4.248%, 7/5/33 (144A)      334,726
250,000 JPMDB Commercial Mortgage Securities Trust, Series 2018-C8, Class A4, 4.211%, 6/15/51      225,935
2,450,000(c)(d) JPMDB Commercial Mortgage Securities Trust, Series 2018-C8, Class XB, 0.123%, 6/15/51       12,173
250,000 Key Commercial Mortgage Securities Trust, Series 2019-S2, Class A3, 3.469%, 6/15/52 (144A)      217,211
250,000(a) MF1 Multifamily Housing Mortgage Loan Trust, Series 2021-FL5, Class D, 7.95% (1 Month Term SOFR + 261 bps), 7/15/36 (144A)      242,387
300,000(c) Morgan Stanley Capital I Trust, Series 2018-MP, Class A, 4.276%, 7/11/40 (144A)      237,766
150,000(a) ORL Trust, Series 2023-GLKS, Class A, 7.685% (1 Month Term SOFR + 235 bps), 10/15/28 (144A)      149,625
Pioneer Balanced ESG Fund |  | 10/31/2312
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Commercial Mortgage-Backed
Securities—(continued) 		 
50,000 Palisades Center Trust, Series 2016-PLSD, Class A, 2.713%, 4/13/33 (144A) $     26,000
500,000(a) Ready Capital Mortgage Financing LLC, Series 2021-FL7, Class D, 8.389% (1 Month Term SOFR + 306 bps), 11/25/36 (144A)      470,874
125,000(c) Soho Trust, Series 2021-SOHO, Class A, 2.697%, 8/10/38 (144A)       85,466
325,000(a) Taubman Centers Commercial Mortgage Trust, Series 2022-DPM, Class B, 8.267% (1 Month Term SOFR + 293 bps), 5/15/37 (144A)      317,282
343,189(a) TTAN, Series 2021-MHC, Class B, 6.549% (1 Month Term SOFR + 121 bps), 3/15/38 (144A)      335,010
1,001,138(c)(d) Wells Fargo Commercial Mortgage Trust, Series 2015-NXS3, Class XA, 0.872%, 9/15/57       13,075
2,296,651(c)(d) Wells Fargo Commercial Mortgage Trust, Series 2016-LC24, Class XA, 1.601%, 10/15/49      79,534
  Total Commercial Mortgage-Backed Securities
(Cost $6,205,609) 		  $5,427,635
  Convertible Corporate Bonds — 1.8% of
Net Assets 		 
  REITs — 1.8%  
4,484,000 PennyMac Corp., 5.50%, 3/15/26 $  4,074,883
3,227,000 Redwood Trust, Inc., 7.75%, 6/15/27   2,765,136
  Total REITs   $6,840,019
  Total Convertible Corporate Bonds
(Cost $7,091,429) 		  $6,840,019
  Corporate Bonds — 10.9% of Net Assets  
  Aerospace & Defense — 0.1%  
355,000 RTX Corp., 3.20%, 3/15/24 $    351,343
  Total Aerospace & Defense     $351,343
  Airlines — 0.0%†  
118,296 Air Canada 2017-1 Class AA Pass Through Trust, 3.30%, 1/15/30 (144A) $    102,264
60,000 Delta Air Lines, Inc./SkyMiles IP, Ltd., 4.75%, 10/20/28 (144A)      56,399
  Total Airlines     $158,663
  Auto Manufacturers — 0.3%  
165,000 General Motors Financial Co., Inc., 3.10%, 1/12/32 $    125,471
13Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  Auto Manufacturers — (continued)  
410,000(a) General Motors Financial Co., Inc., 6.103% (SOFR + 76 bps), 3/8/24 $    409,643
285,000 Hyundai Capital America, 5.80%, 4/1/30 (144A)      272,143
125,000 Hyundai Capital America, 6.20%, 9/21/30 (144A)     121,430
  Total Auto Manufacturers     $928,687
  Banks — 4.0%  
400,000(c) ABN AMRO Bank NV, 3.324% (5 Year CMT Index + 190 bps), 3/13/37 (144A) $    284,820
200,000 ABN AMRO Bank NV, 4.80%, 4/18/26 (144A)      190,680
200,000(c) AIB Group Plc, 4.263% (3 Month USD LIBOR + 187 bps), 4/10/25 (144A)      197,432
200,000 Banco Santander Chile, 2.70%, 1/10/25 (144A)      191,917
600,000(c) Banco Santander S.A., 3.225% (1 Year CMT Index + 160 bps), 11/22/32      440,324
335,000(c) Bank of America Corp., 2.572% (SOFR + 121 bps), 10/20/32      250,896
150,000(c) Bank of New York Mellon Corp., 5.834% (SOFR + 207 bps), 10/25/33      143,674
565,000(c) Bank of Nova Scotia, 4.588% (5 Year CMT Index + 205 bps), 5/4/37      456,898
445,000(c) Barclays Plc, 5.746% (1 Year CMT Index + 300 bps), 8/9/33      399,371
2,235,000(c)(e) Barclays Plc, 8.00% (5 Year CMT Index + 543 bps)   1,976,858
225,000(c) BNP Paribas S.A., 2.159% (SOFR + 122 bps), 9/15/29 (144A)      182,937
350,000(c) BPCE S.A., 3.116% (SOFR + 173 bps), 10/19/32 (144A)      253,319
250,000(c) BPCE S.A., 3.648% (5 Year CMT Index + 190 bps), 1/14/37 (144A)      186,551
270,000(c) CaixaBank S.A., 6.84% (SOFR + 277 bps), 9/13/34 (144A)      255,110
220,000(c) Citigroup, Inc., 2.52% (SOFR + 118 bps), 11/3/32      163,667
205,000(c) Citigroup, Inc., 4.91% (SOFR + 209 bps), 5/24/33      181,677
375,000(c) Comerica Bank, 5.332% (SOFR + 261 bps), 8/25/33      290,396
210,000(c) Goldman Sachs Group, Inc., 2.65% (SOFR + 126 bps), 10/21/32      157,889
195,000(c) Goldman Sachs Group, Inc., 3.272% (3 Month Term SOFR + 146 bps), 9/29/25      189,237
140,000(c) Goldman Sachs Group, Inc., 4.223% (3 Month Term SOFR + 156 bps), 5/1/29      127,790
305,000(c) HSBC Holdings Plc, 2.206% (SOFR + 129 bps), 8/17/29      248,154
Pioneer Balanced ESG Fund |  | 10/31/2314
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Banks — (continued)  
335,000(c) HSBC Holdings Plc, 2.871% (SOFR + 141 bps), 11/22/32 $    249,747
200,000(c) HSBC Holdings Plc, 6.161% (SOFR + 197 bps), 3/9/29      195,915
200,000(c) ING Groep NV, 4.252% (SOFR + 207 bps), 3/28/33      167,330
585,000(c)(e) ING Groep NV, 4.25% (5 Year CMT Index + 286 bps)      361,969
250,000(c) Intesa Sanpaolo S.p.A., 7.778% (1 Year CMT Index + 390 bps), 6/20/54 (144A)      216,778
275,000(c) JPMorgan Chase & Co., 2.545% (SOFR + 118 bps), 11/8/32      208,356
90,000(c) JPMorgan Chase & Co., 4.586% (SOFR + 180 bps), 4/26/33       79,103
285,000(c) Lloyds Banking Group Plc, 4.976% (1 Year CMT Index + 230 bps), 8/11/33      247,397
260,000(c) Lloyds Banking Group Plc, 7.953% (1 Year CMT Index + 375 bps), 11/15/33      263,641
205,000(c)(e) Lloyds Banking Group Plc, 8.00% (5 Year CMT Index + 391 bps)      180,012
300,000(c) Macquarie Group, Ltd., 2.691% (SOFR + 144 bps), 6/23/32 (144A)      223,765
175,000(c) Macquarie Group, Ltd., 2.871% (SOFR + 153 bps), 1/14/33 (144A)      129,330
200,000(c) Mitsubishi UFJ Financial Group, Inc., 2.494% (1 Year CMT Index + 97 bps), 10/13/32      150,446
290,000(c) Morgan Stanley, 5.297% (SOFR + 262 bps), 4/20/37      251,506
65,000(c) Morgan Stanley, 5.948% (5 Year CMT Index + 243 bps), 1/19/38       58,940
585,000(c)(e) Nordea Bank Abp, 3.75% (5 Year CMT Index + 260 bps) (144A)      418,987
190,000(c) PNC Financial Services Group, Inc., 6.875% (SOFR + 228 bps), 10/20/34      189,885
195,000(c) Santander Holdings USA, Inc., 2.49% (SOFR + 125 bps), 1/6/28      167,880
200,000(c) Societe Generale S.A., 4.027% (1 Year CMT Index + 190 bps), 1/21/43 (144A)      118,379
200,000(c)(e) Societe Generale S.A., 5.375% (5 Year CMT Index + 451 bps) (144A)      143,441
245,000(c) Societe Generale S.A., 6.221% (1 Year CMT Index + 320 bps), 6/15/33 (144A)      215,805
425,000(c) Standard Chartered Plc, 6.296% (1 Year CMT Index + 258 bps), 7/6/34 (144A)      395,449
200,000(c) Truist Financial Corp., 7.161% (SOFR + 245 bps), 10/30/29      201,179
15Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  Banks — (continued)  
385,000(c) UBS Group AG, 2.746% (1 Year CMT Index + 110 bps), 2/11/33 (144A) $    281,906
2,500,000(c)(e) UBS Group AG, 4.875% (5 Year CMT Index + 340 bps) (144A)   2,055,933
200,000(c) UBS Group AG, 4.988% (1 Year CMT Index + 240 bps), 8/5/33 (144A)      172,866
350,000(c) UniCredit S.p.A., 2.569% (1 Year CMT Index + 230 bps), 9/22/26 (144A)      320,786
230,000(c) UniCredit S.p.A., 5.459% (5 Year CMT Index + 475 bps), 6/30/35 (144A)      188,686
200,000(c) UniCredit S.p.A., 7.296% (5 Year USD Swap Rate + 491 bps), 4/2/34 (144A)      185,591
530,000(c) US Bancorp, 2.491% (5 Year CMT Index + 95 bps), 11/3/36     362,149
  Total Banks  $15,172,754
  Biotechnology — 0.0%†  
165,000 Amgen, Inc., 5.25%, 3/2/33 $    153,879
  Total Biotechnology     $153,879
  Building Materials — 0.1%  
240,000 AmeriTex HoldCo Intermediate LLC, 10.25%, 10/15/28 (144A) $    226,920
140,000 Fortune Brands Innovations, Inc., 4.50%, 3/25/52      96,266
  Total Building Materials     $323,186
  Chemicals — 0.2%  
236,000 Albemarle Corp., 5.05%, 6/1/32 $    205,981
329,000 Albemarle Corp., 5.65%, 6/1/52      254,785
385,000 OCI NV, 6.70%, 3/16/33 (144A)     355,221
  Total Chemicals     $815,987
  Commercial Services — 0.2%  
35,000 Allied Universal Holdco LLC/Allied Universal Finance Corp., 6.625%, 7/15/26 (144A) $     32,777
200,000 Ashtead Capital, Inc., 5.50%, 8/11/32 (144A)      178,952
110,000 Element Fleet Management Corp., 1.60%, 4/6/24 (144A)      107,635
195,000 Garda World Security Corp., 4.625%, 2/15/27 (144A)      173,919
115,000 Prime Security Services Borrower LLC/Prime Finance, Inc., 6.25%, 1/15/28 (144A)      106,640
170,000 S&P Global, Inc., 5.25%, 9/15/33 (144A)     160,395
  Total Commercial Services     $760,318
Pioneer Balanced ESG Fund |  | 10/31/2316
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Diversified Financial Services — 1.1%  
205,000 AerCap Ireland Capital DAC/AerCap Global Aviation Trust, 3.30%, 1/30/32 $    158,709
595,000 Air Lease Corp., 2.875%, 1/15/32      452,753
410,000 Ally Financial, Inc., 4.75%, 6/9/27      371,226
45,000(c) Ally Financial, Inc., 6.992% (SOFR + 326 bps), 6/13/29       43,013
55,000 Ally Financial, Inc., 8.00%, 11/1/31       53,682
245,000 Ameriprise Financial, Inc., 5.15%, 5/15/33      226,136
18,000 Avolon Holdings Funding, Ltd., 3.95%, 7/1/24 (144A)       17,643
570,000 Avolon Holdings Funding, Ltd., 6.375%, 5/4/28 (144A)      551,110
200,000 B3 SA - Brasil Bolsa Balcao, 4.125%, 9/20/31 (144A)      163,028
290,000(c) Capital One Financial Corp., 2.359% (SOFR + 134 bps), 7/29/32      191,295
150,000 Capital One Financial Corp., 3.75%, 4/24/24      148,037
110,000 Capital One Financial Corp., 4.25%, 4/30/25      106,225
35,000(c) Capital One Financial Corp., 5.247% (SOFR + 260 bps), 7/26/30       31,448
80,000(c) Capital One Financial Corp., 5.268% (SOFR + 237 bps), 5/10/33       68,425
95,000(c) Capital One Financial Corp., 5.817% (SOFR + 260 bps), 2/1/34       83,084
140,000(c) Capital One Financial Corp., 6.377% (SOFR + 286 bps), 6/8/34      127,670
220,000(c) Charles Schwab Corp., 5.853% (SOFR + 250 bps), 5/19/34      201,778
445,000 Nomura Holdings, Inc., 2.999%, 1/22/32      336,496
225,000 Nomura Holdings, Inc., 5.605%, 7/6/29      214,446
120,000 OneMain Finance Corp., 3.50%, 1/15/27      101,400
305,000 OneMain Finance Corp., 4.00%, 9/15/30      223,108
143,000 Raymond James Financial, Inc., 3.75%, 4/1/51       91,805
163,000 United Wholesale Mortgage LLC, 5.50%, 4/15/29 (144A)     136,512
  Total Diversified Financial Services   $4,099,029
  Electric — 0.4%  
195,000(c) Algonquin Power & Utilities Corp., 4.75% (5 Year CMT Index + 325 bps), 1/18/82 $    153,941
125,000 American Electric Power Co., Inc., 4.30%, 12/1/28      116,240
220,000 Consolidated Edison Co. of New York, Inc., 4.625%, 12/1/54      163,419
76,000(f) Dominion Energy, Inc., 3.071%, 8/15/24       74,189
250,000 Duke Energy Carolinas LLC, 3.95%, 3/15/48      173,907
75,000 Entergy Louisiana LLC, 4.75%, 9/15/52       57,495
17Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  Electric — (continued)  
121,000 New York State Electric & Gas Corp., 3.30%, 9/15/49 (144A) $     69,815
185,000 NextEra Energy Capital Holdings, Inc., 6.051%, 3/1/25      184,894
205,000 Puget Energy, Inc., 2.379%, 6/15/28      173,584
133,000 Puget Energy, Inc., 4.10%, 6/15/30      113,603
120,000 Puget Energy, Inc., 4.224%, 3/15/32       99,867
200,000 Virginia Electric and Power Co., 4.45%, 2/15/44     150,478
  Total Electric   $1,531,432
  Energy-Alternate Sources — 0.0%†  
35,226 Alta Wind Holdings LLC, 7.00%, 6/30/35 (144A) $     31,267
  Total Energy-Alternate Sources      $31,267
  Food — 0.2%  
435,000 Minerva Luxembourg S.A., 4.375%, 3/18/31 (144A) $    337,433
215,000 Smithfield Foods, Inc., 2.625%, 9/13/31 (144A)      151,948
155,000 Smithfield Foods, Inc., 3.00%, 10/15/30 (144A)      117,263
4,000 Smithfield Foods, Inc., 5.20%, 4/1/29 (144A)       3,609
  Total Food     $610,253
  Gas — 0.2%  
325,000 Boston Gas Co., 3.15%, 8/1/27 (144A) $    290,212
375,000 KeySpan Gas East Corp., 5.994%, 3/6/33 (144A)      352,590
120,000 NiSource, Inc., 5.40%, 6/30/33     111,662
  Total Gas     $754,464
  Hand & Machine Tools — 0.0%†  
125,000 Regal Rexnord Corp., 6.30%, 2/15/30 (144A) $    117,623
  Total Hand & Machine Tools     $117,623
  Healthcare-Products — 0.1%  
48,000 Edwards Lifesciences Corp., 4.30%, 6/15/28 $     44,974
244,000 Smith & Nephew Plc, 2.032%, 10/14/30     183,559
  Total Healthcare-Products     $228,533
  Healthcare-Services — 0.0%†  
135,000 Elevance Health, Inc., 4.55%, 5/15/52 $    102,204
65,000 Elevance Health, Inc., 6.10%, 10/15/52      61,461
  Total Healthcare-Services     $163,665
  Insurance — 0.7%  
185,000 Brown & Brown, Inc., 4.20%, 3/17/32 $    155,071
435,000 CNO Global Funding, 2.65%, 1/6/29 (144A)      358,027
Pioneer Balanced ESG Fund |  | 10/31/2318
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Insurance — (continued)  
50,000(c) Farmers Exchange Capital III, 5.454% (3 Month USD LIBOR + 345 bps), 10/15/54 (144A) $     41,288
385,000(c) Farmers Insurance Exchange, 4.747% (3 Month USD LIBOR + 323 bps), 11/1/57 (144A)      273,350
875,000 Liberty Mutual Insurance Co., 7.697%, 10/15/97 (144A)      818,115
160,000 Metropolitan Life Global Funding I, 5.15%, 3/28/33 (144A)      146,432
270,000(c) Nippon Life Insurance Co., 2.75% (5 Year CMT Index + 265 bps), 1/21/51 (144A)      207,311
200,000(c) Nippon Life Insurance Co., 2.90% (5 Year CMT Index + 260 bps), 9/16/51 (144A)      151,908
79,000 Primerica, Inc., 2.80%, 11/19/31       60,914
305,000 Prudential Financial, Inc., 3.00%, 3/10/40      202,401
163,000 Prudential Financial, Inc., 3.878%, 3/27/28      151,303
110,000 Teachers Insurance & Annuity Association of America, 4.27%, 5/15/47 (144A)       79,824
110,000 Teachers Insurance & Annuity Association of America, 4.90%, 9/15/44 (144A)       88,939
20,000 Teachers Insurance & Annuity Association of America, 6.85%, 12/16/39 (144A)       20,221
40,000 Willis North America, Inc., 2.95%, 9/15/29      33,537
  Total Insurance   $2,788,641
  Iron & Steel — 0.0%†  
10,000 ATI, Inc., 7.25%, 8/15/30 $      9,627
67,000 Commercial Metals Co., 4.375%, 3/15/32      53,882
  Total Iron & Steel      $63,509
  Lodging — 0.1%  
405,000 Marriott International, Inc., 4.90%, 4/15/29 $    379,856
  Total Lodging     $379,856
  Machinery-Diversified — 0.2%  
500,000 CNH Industrial Capital LLC, 1.875%, 1/15/26 $    458,862
105,000 Nordson Corp., 5.80%, 9/15/33      99,950
  Total Machinery-Diversified     $558,812
  Mining — 0.2%  
290,000 AngloGold Ashanti Holdings Plc, 3.75%, 10/1/30 $    228,331
19Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  Mining — (continued)  
250,000 Corp. Nacional del Cobre de Chile, 5.625%, 10/18/43 (144A) $    206,936
270,000 First Quantum Minerals, Ltd., 8.625%, 6/1/31 (144A)     227,907
  Total Mining     $663,174
  Multi-National — 0.1%  
370,000 Banque Ouest Africaine de Developpement, 4.70%, 10/22/31 (144A) $    290,750
  Total Multi-National     $290,750
  Oil & Gas — 0.4%  
600,000 Aker BP ASA, 3.10%, 7/15/31 (144A) $    471,235
245,000 ConocoPhillips Co., 5.55%, 3/15/54      218,999
400,000 Phillips 66 Co., 3.75%, 3/1/28      368,391
250,000 Sinopec Group Overseas Development 2014, Ltd., 4.375%, 4/10/24 (144A)      248,380
162,000 Valero Energy Corp., 6.625%, 6/15/37     159,078
  Total Oil & Gas   $1,466,083
  Pharmaceuticals — 0.1%  
117,000 AbbVie, Inc., 4.05%, 11/21/39 $     91,415
40,000 CVS Health Corp., 5.25%, 1/30/31       37,646
250,000 CVS Health Corp., 5.25%, 2/21/33     230,562
  Total Pharmaceuticals     $359,623
  Pipelines — 0.5%  
125,000 Crestwood Midstream Partners LP/Crestwood Midstream Finance Corp., 7.375%, 2/1/31 (144A) $    126,001
165,000(c) Enbridge, Inc., 8.50% (5 Year CMT Index + 443 bps), 1/15/84      158,065
555,000 Kinder Morgan, Inc., 5.45%, 8/1/52      448,585
260,000 MPLX LP, 4.95%, 3/14/52      192,688
180,000 NGPL PipeCo LLC, 3.25%, 7/15/31 (144A)      140,787
135,000 ONEOK, Inc., 6.05%, 9/1/33      129,378
65,000 Venture Global LNG, Inc., 8.125%, 6/1/28 (144A)       63,103
120,000 Venture Global LNG, Inc., 8.375%, 6/1/31 (144A)      114,511
205,000 Williams Cos., Inc., 5.75%, 6/24/44      178,718
242,000 Williams Cos., Inc., 7.75%, 6/15/31     252,381
  Total Pipelines   $1,804,217
  REITs — 0.5%  
489,000 HAT Holdings I LLC/HAT Holdings II LLC , 3.375%, 6/15/26 (144A) $    430,427
19,000 Highwoods Realty LP, 2.60%, 2/1/31       13,256
Pioneer Balanced ESG Fund |  | 10/31/2320
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  REITs — (continued)  
18,000 Highwoods Realty LP, 3.05%, 2/15/30 $     13,493
524,000 MPT Operating Partnership LP/MPT Finance Corp., 3.50%, 3/15/31      317,676
490,000 Simon Property Group LP , 5.50%, 3/8/33      455,348
480,000 Sun Communities Operating LP , 5.70%, 1/15/33      437,992
205,000 UDR, Inc., 1.90%, 3/15/33      139,602
140,000 UDR, Inc., 4.40%, 1/26/29     127,623
  Total REITs   $1,935,417
  Retail — 0.5%  
240,000 7-Eleven, Inc., 2.80%, 2/10/51 (144A) $    127,722
50,000 AutoNation, Inc., 1.95%, 8/1/28       40,193
50,000 AutoNation, Inc., 2.40%, 8/1/31       35,614
140,000 AutoNation, Inc., 3.85%, 3/1/32      109,746
250,000 AutoNation, Inc., 4.75%, 6/1/30      218,969
565,000 Best Buy Co., Inc., 1.95%, 10/1/30      430,675
330,000 Darden Restaurants, Inc., 6.30%, 10/10/33      320,537
335,000 Dollar Tree, Inc., 2.65%, 12/1/31      254,034
280,000 Lowe's Cos., Inc., 3.75%, 4/1/32      234,889
90,000 Tractor Supply Co., 5.25%, 5/15/33      82,387
  Total Retail   $1,854,766
  Semiconductors — 0.2%  
391,000 Broadcom, Inc., 3.187%, 11/15/36 (144A) $    270,791
125,000 Broadcom, Inc., 4.15%, 4/15/32 (144A)      105,764
60,000 Broadcom, Inc., 4.30%, 11/15/32       51,060
200,000 Foundry JV Holdco LLC, 5.875%, 1/25/34 (144A)      185,534
269,000 Skyworks Solutions, Inc., 3.00%, 6/1/31     205,999
  Total Semiconductors     $819,148
  Software — 0.1%  
379,000 Autodesk, Inc., 2.40%, 12/15/31 $    291,156
175,000 Infor, Inc., 1.75%, 7/15/25 (144A)     161,364
  Total Software     $452,520
  Telecommunications — 0.2%  
215,000 Motorola Solutions, Inc., 2.30%, 11/15/30 $    164,331
230,000 Motorola Solutions, Inc., 5.60%, 6/1/32      215,518
350,000 T-Mobile USA, Inc., 2.55%, 2/15/31      272,702
170,000 T-Mobile USA, Inc., 5.05%, 7/15/33      153,626
120,000 T-Mobile USA, Inc., 5.75%, 1/15/34     113,850
  Total Telecommunications     $920,027
21Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  Transportation — 0.1%  
250,000 FedEx Corp., 4.55%, 4/1/46 $    188,590
  Total Transportation     $188,590
  Trucking & Leasing — 0.1%  
98,000 Penske Truck Leasing Co. LP/PTL Finance Corp., 4.40%, 7/1/27 (144A) $     91,196
255,000 Penske Truck Leasing Co. LP/PTL Finance Corp., 5.55%, 5/1/28 (144A)      245,538
35,000 Penske Truck Leasing Co. LP/PTL Finance Corp., 6.05%, 8/1/28 (144A)      34,338
  Total Trucking & Leasing     $371,072
  Total Corporate Bonds
(Cost $48,250,024) 		 $41,117,288
  Municipal Bonds — 0.1% of Net Assets(g)  
  Massachusetts — 0.0%†  
100,000 Massachusetts Development Finance Agency, Federally Taxable, Series B, 4.844%, 9/1/43 $     89,396
  Total Massachusetts      $89,396
  Missouri — 0.0%†  
100,000 Health & Educational Facilities Authority of the State of Missouri, Washington University, Series A, 3.685%, 2/15/47 $     68,454
  Total Missouri      $68,454
  Texas — 0.1%  
100,000(h) Central Texas Regional Mobility Authority, 1/1/25 $     94,800
  Total Texas      $94,800
  Total Municipal Bonds
(Cost $293,845) 		    $252,650
Shares            
  Preferred Stock — 0.3% of Net Assets  
  Automobiles — 0.3%  
14,562(i) Porsche AG (144A) $  1,271,781
  Total Automobiles   $1,271,781
  Total Preferred Stock
(Cost $1,177,518) 		  $1,271,781
Pioneer Balanced ESG Fund |  | 10/31/2322
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Insurance-Linked Securities — 0.3% of Net
Assets# 		 
  Event Linked Bonds — 0.3%  
  Multiperil – U.S. — 0.1%  
250,000(a) Easton Re, 9.975%, (3 Month U.S. Treasury Bill + 453 bps), 1/8/24 (144A) $    249,750
  Windstorm – Florida — 0.1%  
250,000(a) Everglades Re II, Ltd., 11.967%, (1 Month U.S. Treasury Bill + 661 bps), 5/14/24 (144A) $    249,250
  Windstorm – North Carolina — 0.1%  
250,000(a) Cape Lookout Re, 9.145%, (1 Month U.S. Treasury Bill + 370 bps), 3/22/24 (144A) $    248,750
  Windstorm – U.S. — 0.0%†  
250,000(a) Bonanza Re, 10.315%, (3 Month U.S. Treasury Bill + 487 bps), 12/23/24 (144A) $    234,700
  Total Event Linked Bonds     $982,450
Face
Amount
USD ($) 		             
  Reinsurance Sidecars — 0.0%†    
  Multiperil – Worldwide — 0.0%†    
100,000(j)+ Sector Re V, 3/1/24 (144A) $     51,590  
  Total Reinsurance Sidecars      $51,590  
  Total Insurance-Linked Securities
(Cost $1,066,056) 		  $1,034,040  
Principal
Amount
USD ($) 		           
  Foreign Government Bond — 0.1% of Net
Assets 		 
  Philippines — 0.1%  
200,000 Philippine Government International Bond, 5.000%, 1/13/37 $    180,688
  Total Philippines     $180,688
  Total Foreign Government Bond
(Cost $260,250) 		    $180,688
23Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations
— 17.6% of Net Assets 		 
352,798 Federal Home Loan Mortgage Corp., 1.500%, 12/1/41 $    263,934
91,282 Federal Home Loan Mortgage Corp., 1.500%, 1/1/42       68,289
89,981 Federal Home Loan Mortgage Corp., 1.500%, 1/1/42       67,315
444,257 Federal Home Loan Mortgage Corp., 1.500%, 1/1/42      332,352
177,454 Federal Home Loan Mortgage Corp., 1.500%, 2/1/42      132,755
267,448 Federal Home Loan Mortgage Corp., 1.500%, 2/1/42      200,077
93,859 Federal Home Loan Mortgage Corp., 2.000%, 3/1/52       69,264
715,783 Federal Home Loan Mortgage Corp., 2.500%, 5/1/51      552,304
185,349 Federal Home Loan Mortgage Corp., 2.500%, 4/1/52      142,445
75,045 Federal Home Loan Mortgage Corp., 3.000%, 6/1/46       62,341
18,080 Federal Home Loan Mortgage Corp., 3.000%, 12/1/46       14,972
7,722 Federal Home Loan Mortgage Corp., 3.000%, 11/1/47        6,405
48,183 Federal Home Loan Mortgage Corp., 3.000%, 8/1/50       39,671
98,733 Federal Home Loan Mortgage Corp., 3.000%, 11/1/51       80,363
58,615 Federal Home Loan Mortgage Corp., 3.000%, 8/1/52       47,668
84,818 Federal Home Loan Mortgage Corp., 3.500%, 8/1/46       73,112
78,944 Federal Home Loan Mortgage Corp., 3.500%, 8/1/46       67,950
8,619 Federal Home Loan Mortgage Corp., 3.500%, 6/1/47        7,379
84,495 Federal Home Loan Mortgage Corp., 3.500%, 4/1/52       71,125
243,520 Federal Home Loan Mortgage Corp., 3.500%, 4/1/52      205,582
103,796 Federal Home Loan Mortgage Corp., 4.000%, 2/1/40       92,792
127,069 Federal Home Loan Mortgage Corp., 4.000%, 11/1/40      113,780
131,681 Federal Home Loan Mortgage Corp., 4.000%, 11/1/40      117,935
80,717 Federal Home Loan Mortgage Corp., 4.000%, 1/1/41       72,291
11,773 Federal Home Loan Mortgage Corp., 4.000%, 4/1/47       10,368
14,208 Federal Home Loan Mortgage Corp., 4.500%, 8/1/34       13,202
48,087 Federal Home Loan Mortgage Corp., 4.500%, 5/1/40       44,466
25,056 Federal Home Loan Mortgage Corp., 4.500%, 7/1/40       23,168
47,211 Federal Home Loan Mortgage Corp., 4.500%, 5/1/41       43,654
10,309 Federal Home Loan Mortgage Corp., 5.000%, 11/1/34       10,025
9,861 Federal Home Loan Mortgage Corp., 5.000%, 8/1/37        9,556
2,415 Federal Home Loan Mortgage Corp., 5.000%, 5/1/39        2,305
6,503 Federal Home Loan Mortgage Corp., 5.000%, 12/1/39        6,201
22,797 Federal Home Loan Mortgage Corp., 5.000%, 10/1/49       21,125
183,022 Federal Home Loan Mortgage Corp., 5.000%, 12/1/49      170,941
92,520 Federal Home Loan Mortgage Corp., 5.000%, 10/1/52       87,199
99,357 Federal Home Loan Mortgage Corp., 5.000%, 4/1/53       91,676
6,646 Federal Home Loan Mortgage Corp., 5.500%, 11/1/34        6,542
182,576 Federal Home Loan Mortgage Corp., 5.500%, 7/1/49      175,963
97,980 Federal Home Loan Mortgage Corp., 5.500%, 7/1/53       93,043
3,709 Federal Home Loan Mortgage Corp., 6.000%, 1/1/38        3,720
Pioneer Balanced ESG Fund |  | 10/31/2324
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
7,412 Federal Home Loan Mortgage Corp., 6.000%, 10/1/38 $      7,434
99,484 Federal Home Loan Mortgage Corp., 6.000%, 4/1/53       97,059
163,961 Federal Home Loan Mortgage Corp., 6.000%, 7/1/53      159,904
764,915 Federal Home Loan Mortgage Corp., 6.000%, 8/1/53      745,439
3,412 Federal Home Loan Mortgage Corp., 6.500%, 10/1/33        3,477
27,567 Federal Home Loan Mortgage Corp., 6.500%, 1/1/53       27,474
185,064 Federal Home Loan Mortgage Corp., 6.500%, 2/1/53      187,912
97,490 Federal Home Loan Mortgage Corp., 6.500%, 8/1/53       97,237
299,470 Federal Home Loan Mortgage Corp., 6.500%, 8/1/53      299,080
867,321 Federal National Mortgage Association, 1.500%, 11/1/41      649,003
3,659 Federal National Mortgage Association, 1.500%, 1/1/42        2,738
354,131 Federal National Mortgage Association, 1.500%, 1/1/42      264,985
450,787 Federal National Mortgage Association, 1.500%, 2/1/42      337,306
178,575 Federal National Mortgage Association, 1.500%, 3/1/42      133,619
400,000 Federal National Mortgage Association, 2.000%, 11/1/38 (TBA)      338,687
181,284 Federal National Mortgage Association, 2.000%, 3/1/52      133,837
1,800,000 Federal National Mortgage Association, 2.000%, 11/1/53 (TBA)   1,321,594
400,000 Federal National Mortgage Association, 2.500%, 11/1/38 (TBA)      348,484
16,542 Federal National Mortgage Association, 2.500%, 3/1/43       13,117
12,733 Federal National Mortgage Association, 2.500%, 4/1/43       10,097
5,554 Federal National Mortgage Association, 2.500%, 8/1/43        4,404
12,934 Federal National Mortgage Association, 2.500%, 4/1/45       10,128
20,023 Federal National Mortgage Association, 2.500%, 4/1/45       15,676
9,740 Federal National Mortgage Association, 2.500%, 8/1/45        7,626
199,728 Federal National Mortgage Association, 2.500%, 6/1/50      157,466
25Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
200,000 Federal National Mortgage Association, 2.500%, 7/1/50 $    157,680
200,313 Federal National Mortgage Association, 2.500%, 7/1/50      156,934
68,572 Federal National Mortgage Association, 2.500%, 9/1/50       53,780
75,542 Federal National Mortgage Association, 2.500%, 9/1/50       59,179
808,961 Federal National Mortgage Association, 2.500%, 5/1/51      632,185
200,133 Federal National Mortgage Association, 2.500%, 5/1/51      155,671
257,324 Federal National Mortgage Association, 2.500%, 11/1/51      200,873
261,201 Federal National Mortgage Association, 2.500%, 12/1/51      202,821
619,733 Federal National Mortgage Association, 2.500%, 1/1/52      481,221
86,703 Federal National Mortgage Association, 2.500%, 2/1/52       67,509
785,901 Federal National Mortgage Association, 2.500%, 4/1/52      604,136
263,179 Federal National Mortgage Association, 2.500%, 4/1/52      204,642
1,312,153 Federal National Mortgage Association, 2.500%, 4/1/52   1,008,754
800,000 Federal National Mortgage Association, 2.500%, 11/1/53 (TBA)      613,625
28,915 Federal National Mortgage Association, 3.000%, 10/1/30       27,153
9,832 Federal National Mortgage Association, 3.000%, 2/1/43        8,313
2,590 Federal National Mortgage Association, 3.000%, 5/1/46        2,120
4,204 Federal National Mortgage Association, 3.000%, 10/1/46        3,440
2,685 Federal National Mortgage Association, 3.000%, 1/1/47        2,197
80,517 Federal National Mortgage Association, 3.000%, 3/1/47       66,977
40,704 Federal National Mortgage Association, 3.000%, 4/1/47       33,669
Pioneer Balanced ESG Fund |  | 10/31/2326
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
195,642 Federal National Mortgage Association, 3.000%, 8/1/50 $    159,479
308,000 Federal National Mortgage Association, 3.000%, 2/1/51      250,723
285,232 Federal National Mortgage Association, 3.000%, 11/1/51      231,739
422,149 Federal National Mortgage Association, 3.000%, 1/1/52      343,495
192,560 Federal National Mortgage Association, 3.000%, 2/1/52      157,010
572,029 Federal National Mortgage Association, 3.000%, 3/1/52      469,023
97,391 Federal National Mortgage Association, 3.000%, 5/1/52       79,265
397,470 Federal National Mortgage Association, 3.000%, 6/1/52      318,362
1,700,000 Federal National Mortgage Association, 3.000%, 11/1/53 (TBA)   1,360,017
87,968 Federal National Mortgage Association, 3.000%, 2/1/57       69,772
5,561 Federal National Mortgage Association, 3.500%, 2/1/49        4,741
143,804 Federal National Mortgage Association, 3.500%, 5/1/49      124,008
218,902 Federal National Mortgage Association, 3.500%, 5/1/49      188,785
19,531 Federal National Mortgage Association, 3.500%, 4/1/52       16,284
75,687 Federal National Mortgage Association, 3.500%, 4/1/52       63,304
157,662 Federal National Mortgage Association, 3.500%, 4/1/52      133,099
175,658 Federal National Mortgage Association, 3.500%, 5/1/52      147,862
71,918 Federal National Mortgage Association, 4.000%, 10/1/40       64,299
105,663 Federal National Mortgage Association, 4.000%, 3/1/41       94,488
153,325 Federal National Mortgage Association, 4.000%, 6/1/42      136,772
47,382 Federal National Mortgage Association, 4.000%, 9/1/42       42,375
27Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
34,389 Federal National Mortgage Association, 4.000%, 11/1/50 $     29,942
17,754 Federal National Mortgage Association, 4.000%, 12/1/50       15,421
7,817 Federal National Mortgage Association, 4.000%, 1/1/51        6,778
10,943 Federal National Mortgage Association, 4.000%, 2/1/51        9,500
12,929 Federal National Mortgage Association, 4.000%, 4/1/51       11,230
26,075 Federal National Mortgage Association, 4.000%, 6/1/51       22,615
71,696 Federal National Mortgage Association, 4.000%, 7/1/51       62,114
37,258 Federal National Mortgage Association, 4.000%, 7/1/56       32,318
67,439 Federal National Mortgage Association, 4.000%, 1/1/57       58,413
700,000 Federal National Mortgage Association, 4.500%, 11/1/38 (TBA)      663,852
97,278 Federal National Mortgage Association, 4.500%, 6/1/40       89,669
73,541 Federal National Mortgage Association, 4.500%, 4/1/41       68,116
99,534 Federal National Mortgage Association, 4.500%, 9/1/43       91,872
166,236 Federal National Mortgage Association, 4.500%, 12/1/43      151,651
63,513 Federal National Mortgage Association, 4.500%, 1/1/44       58,643
813,486 Federal National Mortgage Association, 4.500%, 7/1/44      746,656
56,937 Federal National Mortgage Association, 4.500%, 8/1/47       52,151
45,317 Federal National Mortgage Association, 5.000%, 5/1/31       42,955
1,000,000 Federal National Mortgage Association, 5.000%, 11/1/38 (TBA)      964,580
9,513 Federal National Mortgage Association, 5.000%, 6/1/49        8,872
93,400 Federal National Mortgage Association, 5.000%, 10/1/50       87,370
Pioneer Balanced ESG Fund |  | 10/31/2328
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
97,381 Federal National Mortgage Association, 5.000%, 6/1/52 $     90,147
283,520 Federal National Mortgage Association, 5.000%, 8/1/52      261,503
95,769 Federal National Mortgage Association, 5.000%, 4/1/53       88,351
2,043 Federal National Mortgage Association, 5.500%, 3/1/34        1,973
4,358 Federal National Mortgage Association, 5.500%, 12/1/34        4,268
23,093 Federal National Mortgage Association, 5.500%, 10/1/35       22,571
9,721 Federal National Mortgage Association, 5.500%, 12/1/35        9,549
10,797 Federal National Mortgage Association, 5.500%, 12/1/35       10,606
5,874 Federal National Mortgage Association, 5.500%, 5/1/37        5,770
63,887 Federal National Mortgage Association, 5.500%, 5/1/38       62,703
1,200,000 Federal National Mortgage Association, 5.500%, 11/1/38 (TBA)   1,176,562
96,255 Federal National Mortgage Association, 5.500%, 4/1/50       92,768
186,318 Federal National Mortgage Association, 5.500%, 4/1/50      179,570
97,923 Federal National Mortgage Association, 5.500%, 1/1/53       93,202
95,316 Federal National Mortgage Association, 5.500%, 2/1/53       90,715
94,284 Federal National Mortgage Association, 5.500%, 4/1/53       89,669
92,796 Federal National Mortgage Association, 5.500%, 4/1/53       88,067
98,875 Federal National Mortgage Association, 5.500%, 7/1/53       94,378
97,538 Federal National Mortgage Association, 5.500%, 8/1/53       92,551
705,725 Federal National Mortgage Association, 5.500%, 9/1/53      669,607
138,830 Federal National Mortgage Association, 5.500%, 9/1/53      131,725
29Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
207 Federal National Mortgage Association, 6.000%, 9/1/29 $        205
671 Federal National Mortgage Association, 6.000%, 8/1/32          666
5,155 Federal National Mortgage Association, 6.000%, 12/1/33        5,084
4,671 Federal National Mortgage Association, 6.000%, 10/1/37        4,672
3,322 Federal National Mortgage Association, 6.000%, 12/1/37        3,328
48,182 Federal National Mortgage Association, 6.000%, 1/1/53       47,315
19,088 Federal National Mortgage Association, 6.000%, 1/1/53       18,686
96,083 Federal National Mortgage Association, 6.000%, 1/1/53       93,939
99,335 Federal National Mortgage Association, 6.000%, 3/1/53       96,827
97,773 Federal National Mortgage Association, 6.000%, 5/1/53       95,953
95,942 Federal National Mortgage Association, 6.000%, 5/1/53       93,607
84,527 Federal National Mortgage Association, 6.000%, 6/1/53       82,674
99,639 Federal National Mortgage Association, 6.000%, 7/1/53       97,329
98,922 Federal National Mortgage Association, 6.000%, 7/1/53       96,953
97,779 Federal National Mortgage Association, 6.000%, 7/1/53       95,650
99,303 Federal National Mortgage Association, 6.000%, 8/1/53       96,857
160,664 Federal National Mortgage Association, 6.000%, 8/1/53      156,499
395,970 Federal National Mortgage Association, 6.000%, 9/1/53      385,418
98,372 Federal National Mortgage Association, 6.000%, 9/1/53       95,796
397,605 Federal National Mortgage Association, 6.000%, 10/1/53      387,010
3,967 Federal National Mortgage Association, 6.500%, 4/1/29        3,967
Pioneer Balanced ESG Fund |  | 10/31/2330
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
2,381 Federal National Mortgage Association, 6.500%, 7/1/29 $      2,388
6,884 Federal National Mortgage Association, 6.500%, 5/1/32        6,949
6,395 Federal National Mortgage Association, 6.500%, 9/1/32        6,527
2,923 Federal National Mortgage Association, 6.500%, 10/1/32        2,957
96,854 Federal National Mortgage Association, 6.500%, 3/1/53       96,948
93,544 Federal National Mortgage Association, 6.500%, 8/1/53       93,214
99,787 Federal National Mortgage Association, 6.500%, 8/1/53       99,398
69,062 Federal National Mortgage Association, 6.500%, 8/1/53       68,715
198,685 Federal National Mortgage Association, 6.500%, 9/1/53      197,604
99,633 Federal National Mortgage Association, 6.500%, 9/1/53       99,282
8,340 Federal National Mortgage Association, 7.000%, 1/1/36        8,517
800,000 Government National Mortgage Association, 3.000%, 11/20/53 (TBA)      659,258
1,300,000 Government National Mortgage Association, 3.500%, 11/20/53 (TBA)   1,107,912
900,000 Government National Mortgage Association, 5.000%, 11/20/53 (TBA)      837,387
800,000 Government National Mortgage Association, 5.500%, 11/20/53 (TBA)      765,000
1,000,000 Government National Mortgage Association, 6.000%, 11/20/53 (TBA)      979,675
300,000 Government National Mortgage Association, 6.500%, 11/20/53 (TBA)      299,307
64,622 Government National Mortgage Association I, 3.500%, 11/15/41       57,278
8,567 Government National Mortgage Association I, 3.500%, 10/15/42        7,593
108,218 Government National Mortgage Association I, 4.000%, 9/15/41       98,338
18,865 Government National Mortgage Association I, 4.000%, 4/15/45       17,130
31Pioneer Balanced ESG Fund |  | 10/31/23
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
30,873 Government National Mortgage Association I, 4.000%, 6/15/45 $     28,190
18,724 Government National Mortgage Association I, 4.500%, 5/15/39       17,712
4,332 Government National Mortgage Association I, 5.500%, 8/15/33        4,251
7,612 Government National Mortgage Association I, 5.500%, 9/15/33        7,453
4,833 Government National Mortgage Association I, 6.000%, 10/15/33        4,837
8,143 Government National Mortgage Association I, 6.000%, 9/15/34        8,144
21,774 Government National Mortgage Association I, 6.000%, 9/15/38       21,877
1,495 Government National Mortgage Association I, 6.500%, 10/15/28        1,516
3,816 Government National Mortgage Association I, 6.500%, 5/15/31        3,834
5,170 Government National Mortgage Association I, 6.500%, 6/15/32        5,247
7,631 Government National Mortgage Association I, 6.500%, 12/15/32        7,637
10,852 Government National Mortgage Association I, 6.500%, 5/15/33       10,963
99 Government National Mortgage Association I, 7.000%, 8/15/28           99
1,934 Government National Mortgage Association I, 8.000%, 2/15/30        1,931
471,027 Government National Mortgage Association II, 4.000%, 9/20/52      414,199
25,780 Government National Mortgage Association II, 4.500%, 9/20/44       24,080
12,414 Government National Mortgage Association II, 4.500%, 10/20/44       11,545
24,545 Government National Mortgage Association II, 4.500%, 11/20/44       22,828
467,967 Government National Mortgage Association II, 4.500%, 9/20/52      423,320
9,449 Government National Mortgage Association II, 5.500%, 2/20/34        9,366
98,049 Government National Mortgage Association II, 5.500%, 9/20/52       93,810
Pioneer Balanced ESG Fund |  | 10/31/2332
Schedule of Investments  |  10/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
12,439 Government National Mortgage Association II, 6.500%, 11/20/28 $     12,423
751 Government National Mortgage Association II, 7.500%, 9/20/29          757
1,982,900 U.S. Treasury Bonds, 3.000%, 2/15/48   1,368,743
7,578,200 U.S. Treasury Bonds, 3.125%, 5/15/48   5,355,656
2,720,400 U.S. Treasury Bonds, 4.375%, 8/15/43   2,426,257
1,213,622 U.S. Treasury Inflation Indexed Bonds, 1.500%, 2/15/53      950,157
5,039,000 U.S. Treasury Notes, 1.125%, 2/15/31   3,902,272
2,500,000 U.S. Treasury Notes, 1.500%, 2/15/30   2,043,848
2,090,000 U.S. Treasury Notes, 2.875%, 5/15/32   1,793,400
353,000 U.S. Treasury Notes, 3.375%, 5/15/33      312,129
2,830,000 U.S. Treasury Notes, 3.500%, 2/15/33   2,533,292
1,800,000 U.S. Treasury Notes, 3.875%, 8/15/33   1,656,844
3,000,000 U.S. Treasury Notes, 4.625%, 9/30/28   2,972,812
8,034,600 U.S. Treasury Notes, 4.625%, 9/30/30   7,899,016
  Total U.S. Government and Agency Obligations
(Cost $74,037,617) 		 $66,738,049
Shares            
  SHORT TERM INVESTMENTS — 5.7% of Net
Assets 		 
  Open-End Fund — 5.7%  
21,705,016(k) Dreyfus Government Cash Management,
Institutional Shares, 5.23% 		$ 21,705,016
             $21,705,016
  TOTAL SHORT TERM INVESTMENTS
(Cost $21,705,016) 		 $21,705,016
  TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS — 102.1%
(Cost $345,672,241) 		$386,587,686
33Pioneer Balanced ESG Fund |  | 10/31/23
Shares   Net
Realized
Gain (Loss)
for the period
ended
10/31/23 		Net
Unrealized
Appreciation
(Depreciation)
for the period
ended
10/31/23 		Capital
Gain
Distributions
for the period
ended
10/31/23 		Dividend
Income
for the period
ended
10/31/23 		 
  Affiliated Issuer — 0.3%  
  Closed-End Fund — 0.3% of Net Assets  
115,672(l) Pioneer ILS Interval Fund $— $63,620 $— $— $  1,087,318
  Total Investments in Affiliated Issuer — 0.3%
(Cost $1,166,789) 		  $1,087,318
  OTHER ASSETS AND LIABILITIES — (2.4)%  $(9,250,948)
  net assets — 100.0% $378,424,056
             
(A.D.R.) American Depositary Receipts.
(G.D.R.) Global Depositary Receipts.
(TBA) “To Be Announced” Securities.
bps Basis Points.
CMT Constant Maturity Treasury Index.
FREMF Freddie Mac Multifamily Fixed-Rate Mortgage Loans.
LIBOR London Interbank Offered Rate.
PRIME U.S. Federal Funds Rate.
REIT Real Estate Investment Trust.
REMICs Real Estate Mortgage Investment Conduits.
SOFR Secured Overnight Financing Rate.
SOFR30A Secured Overnight Financing Rate 30 Day Average.
(144A) The resale of such security is exempt from registration under Rule 144A of the Securities Act of 1933. Such securities may be resold normally to qualified institutional buyers. At October 31, 2023, the value of these securities amounted to $43,146,750, or 11.4% of net assets.
(a) Floating rate note. Coupon rate, reference index and spread shown at October 31, 2023.
(b) Non-income producing security.
(c) The interest rate is subject to change periodically. The interest rate and/or reference index and spread shown at October 31, 2023.
(d) Security represents the interest-only portion payments on a pool of underlying mortgages or mortgage-backed securities.
(e) Security is perpetual in nature and has no stated maturity date.
(f) Debt obligation initially issued at one coupon which converts to a higher coupon at a specific date. The rate shown is the rate at October 31, 2023.
Pioneer Balanced ESG Fund |  | 10/31/2334
Schedule of Investments  |  10/31/23
(unaudited) (continued)
(g) Consists of Revenue Bonds unless otherwise indicated.
(h) Security issued with a zero coupon. Income is recognized through accretion of discount.
(i) Issued as preference shares.
(j) Issued as participation notes.
(k) Rate periodically changes. Rate disclosed is the 7-day yield at October 31, 2023.
(l) Pioneer ILS Interval Fund is an affiliated closed-end fund managed by the Adviser.
* Senior secured floating rate loan interests in which the Fund invests generally pay interest at rates that are periodically re-determined by reference to a base lending rate plus a premium. These base lending rates are generally (i) the lending rate offered by one or more major European banks, such as LIBOR or SOFR, (ii) the prime rate offered by one or more major United States banks, (iii) the rate of a certificate of deposit or (iv) other base lending rates used by commercial lenders. The interest rate shown is the rate accruing at October 31, 2023.
+ Security is valued using significant unobservable inputs (Level 3).
† Amount rounds to less than 0.1%.
# Securities are restricted as to resale.
Restricted Securities Acquisition date Cost Value
Bonanza Re 12/15/2020 $250,000 $234,700
Cape Lookout Re 10/27/2023 248,634 248,750
Easton Re 12/15/2020 250,000 249,750
Everglades Re II, Ltd. 10/27/2023 249,503 249,250
Sector Re V 4/23/2019 67,919 51,590
Total Restricted Securities     $1,034,040
% of Net assets     0.3%
FORWARD FOREIGN CURRENCY EXCHANGE CONTRACTS
FUTURES CONTRACTS
FIXED INCOME INDEX FUTURES CONTRACTS
Number of
Contracts
Long 		Description Expiration
Date 		Notional
Amount 		Market
Value 		Unrealized
(Depreciation)
28 U.S. 10 Year Note (CBT) 12/19/23 $3,054,648 $2,972,813 $(81,835)
71 U.S. 2 Year Note (CBT) 12/29/23 14,444,890 14,371,953 (72,937)
251 U.S. 5 Year Note (CBT) 12/29/23 26,664,443 26,223,616 (440,827)
35Pioneer Balanced ESG Fund |  | 10/31/23
Number of
Contracts
Long 		Description Expiration
Date 		Notional
Amount 		Market
Value 		Unrealized
(Depreciation)
5 U.S. 10 Year Ultra Bond (CBT) 12/19/23 $554,919 $544,141 $(10,778)
2 U.S. Long Bond (CBT) 12/19/23 223,380 218,875 (4,505)
      $44,942,280 $44,331,398 $(610,882)
TOTAL FUTURES CONTRACTS $44,942,280 $44,331,398 $(610,882)
Principal amounts are denominated in U.S. dollars (“USD”) unless otherwise noted.
Various inputs are used in determining the value of the Fund's investments. These inputs are summarized in the three broad levels below.
Level 1 – unadjusted quoted prices in active markets for identical securities.
Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.).
Level 3 – significant unobservable inputs (including the Adviser's own assumptions in determining fair value of investments).
The following is a summary of the inputs used as of October 31, 2023, in valuing the Fund's investments:
  Level 1 Level 2 Level 3 Total
Senior Secured Floating Rate Loan Interests $— $489,232 $— $489,232
Common Stocks 223,309,257 — — 223,309,257
Asset Backed Securities — 8,710,065 — 8,710,065
Collateralized Mortgage Obligations — 9,511,966 — 9,511,966
Commercial Mortgage-Backed Securities — 5,427,635 — 5,427,635
Convertible Corporate Bonds — 6,840,019 — 6,840,019
Corporate Bonds — 41,117,288 — 41,117,288
Municipal Bonds — 252,650 — 252,650
Preferred Stock 1,271,781 — — 1,271,781
Insurance-Linked Securities        
Reinsurance Sidecars        
Multiperil – Worldwide — — 51,590 51,590
All Other Insurance-Linked Securities — 982,450 — 982,450
Foreign Government Bond — 180,688 — 180,688
U.S. Government and Agency Obligations — 66,738,049 — 66,738,049
Open-End Fund 21,705,016 — — 21,705,016
Affiliated Closed-End Fund 1,087,318 — — 1,087,318
Total Investments in Securities $247,373,372 $140,250,042 $51,590 $387,675,004
Pioneer Balanced ESG Fund |  | 10/31/2336
Schedule of Investments  |  10/31/23
(unaudited) (continued)
  Level 1 Level 2 Level 3 Total
Other Financial Instruments        
Net unrealized depreciation on futures contracts $(610,882) $— $— $(610,882)
Total Other Financial Instruments $(610,882) $— $— $(610,882)
During the period ended October 31, 2023, there were no significant transfers in or out of Level 3.
37Pioneer Balanced ESG Fund |  | 10/31/23