NPORT-EX 2 AAPI100AMU043024.htm
Pioneer Balanced ESG Fund
Schedule of Investments  |  April 30, 2024 
         
A: AOBLX C: PCBCX K: PCBKX R: CBPRX Y: AYBLX
Schedule of Investments  |  4/30/24
(unaudited) 
Principal
Amount
USD ($) 		          Value
  UNAFFILIATED ISSUERS — 101.6%  
  Senior Secured Floating Rate Loan
Interests — 0.1% of Net Assets*(a) 		 
  Building & Construction Products — 0.0%†  
25,000(b) MI Windows and Doors LLC, 2024 Incremental Term Loan, 3/28/31 $     25,144
  Total Building & Construction Products      $25,144
  Chemicals-Diversified — 0.0%†  
39,200 LSF11 A5 HoldCo LLC, Term Loan, 8.93% (Term SOFR + 350 bps), 10/15/28 $     39,268
  Total Chemicals-Diversified      $39,268
  Containers-Paper & Plastic — 0.0%†  
35,000(b) LC Ahab US Bidco LLC, Term Loan B, 4/11/31 $     35,131
  Total Containers-Paper & Plastic      $35,131
  Data Processing & Management — 0.1%  
164,500 Iron Mountain Information Management LLC, Incremental Term B Loan , 7.18% (LIBOR + 175 bps), 1/2/26 $    164,414
  Total Data Processing & Management     $164,414
  Electric-Generation — 0.0%†  
58,679 Generation Bridge Northeast LLC, Term Loan B, 8.816% (Term SOFR + 350 bps), 8/22/29 $     59,045
  Total Electric-Generation      $59,045
  Finance-Leasing Company — 0.0%†  
71,304 Avolon TLB Borrower 1 (US) LLC, Term B-4 Loan, 6.915% (Term SOFR + 150 bps), 2/12/27 $     71,409
  Total Finance-Leasing Company      $71,409
  Medical-Wholesale Drug Distribution — 0.0%†  
55,846 Owens & Minor, Inc., Term B-1 Loan, 9.166% (Term SOFR + 375 bps), 3/29/29 $     56,300
  Total Medical-Wholesale Drug Distribution      $56,300
  Metal Processors & Fabrication — 0.0%†  
21,200 Grinding Media, Inc. (Molycop, Ltd.), First Lien Initial Term Loan, 9.555% (Term SOFR + 400 bps), 10/12/28 $     21,174
  Total Metal Processors & Fabrication      $21,174
  Total Senior Secured Floating Rate Loan Interests
(Cost $468,941) 		    $471,885
1Pioneer Balanced ESG Fund | 4/30/24
Shares           Value
  Common Stocks — 63.5% of Net Assets  
  Automobiles — 0.9%  
42,069 Honda Motor Co., Ltd. (A.D.R.) $  1,429,925
96,000 Subaru Corp.   2,149,904
  Total Automobiles   $3,579,829
  Beverages — 0.8%  
19,155 PepsiCo., Inc. $  3,369,556
  Total Beverages   $3,369,556
  Biotechnology — 2.2%  
30,973 AbbVie, Inc. $  5,037,449
10,513(c) Vertex Pharmaceuticals, Inc.   4,129,611
  Total Biotechnology   $9,167,060
  Building Products — 1.3%  
82,113 Johnson Controls International Plc $  5,343,093
  Total Building Products   $5,343,093
  Capital Markets — 2.7%  
58,811 Bank of New York Mellon Corp. $  3,322,233
20,663 CME Group, Inc.   4,331,791
46,550 State Street Corp.   3,374,410
  Total Capital Markets  $11,028,434
  Chemicals — 0.7%  
12,301 Air Products and Chemicals, Inc. $  2,907,218
  Total Chemicals   $2,907,218
  Communications Equipment — 2.7%  
124,848 Cisco Systems, Inc. $  5,865,359
15,764 Motorola Solutions, Inc.   5,346,361
  Total Communications Equipment  $11,211,720
  Construction Materials — 1.1%  
59,567 CRH Plc $  4,611,677
  Total Construction Materials   $4,611,677
  Electrical Equipment — 2.4%  
17,505 Eaton Corp. Plc $  5,571,141
82,204 Prysmian S.p.A.   4,489,925
  Total Electrical Equipment  $10,061,066
Pioneer Balanced ESG Fund | 4/30/242
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Shares           Value
  Electronic Equipment, Instruments & Components —
1.1% 		 
15,227(c) Keysight Technologies, Inc. $  2,252,682
17,225 TE Connectivity, Ltd.   2,436,993
  Total Electronic Equipment, Instruments & Components   $4,689,675
  Entertainment — 0.9%  
32,701 Walt Disney Co. $  3,633,081
  Total Entertainment   $3,633,081
  Financial Services — 2.5%  
42,809(c) PayPal Holdings, Inc. $  2,907,588
27,520 Visa, Inc., Class A   7,392,147
  Total Financial Services  $10,299,735
  Food Products — 2.1%  
118,659 Glanbia Plc $  2,259,131
79,092 Kraft Heinz Co.   3,053,742
39,585 Lamb Weston Holdings, Inc.   3,299,014
  Total Food Products   $8,611,887
  Health Care Equipment & Supplies — 1.9%  
8,075(c) Intuitive Surgical, Inc. $  2,992,756
59,229 Medtronic Plc   4,752,535
  Total Health Care Equipment & Supplies   $7,745,291
  Health Care Providers & Services — 2.8%  
62,955 Cardinal Health, Inc. $  6,486,883
14,855 Cigna Group   5,303,829
  Total Health Care Providers & Services  $11,790,712
  Hotels, Restaurants & Leisure — 0.6%  
32,748 Wyndham Hotels & Resorts, Inc. $  2,407,306
  Total Hotels, Restaurants & Leisure   $2,407,306
  Household Durables — 0.5%  
26,564 Sony Group Corp. (A.D.R.) $  2,193,389
  Total Household Durables   $2,193,389
  Insurance — 1.5%  
14,241 Chubb, Ltd. $  3,540,882
49,393 Sun Life Financial, Inc.   2,521,019
  Total Insurance   $6,061,901
3Pioneer Balanced ESG Fund | 4/30/24
Shares           Value
  Interactive Media & Services — 5.8%  
148,298(c) Alphabet, Inc., Class A $ 24,139,948
  Total Interactive Media & Services  $24,139,948
  Life Sciences Tools & Services — 0.5%  
9,063(c) IQVIA Holdings, Inc. $  2,100,532
  Total Life Sciences Tools & Services   $2,100,532
  Machinery — 0.7%  
8,022 Deere & Co. $  3,139,891
  Total Machinery   $3,139,891
  Metals & Mining — 1.9%  
9,458 Reliance, Inc. $  2,692,882
102,274 Teck Resources, Ltd., Class B   5,030,858
  Total Metals & Mining   $7,723,740
  Oil, Gas & Consumable Fuels — 3.6%  
28,028 Phillips 66 $  4,013,890
57,291 Shell Plc (A.D.R.)   4,105,473
60,570 Targa Resources Corp.   6,908,614
  Total Oil, Gas & Consumable Fuels  $15,027,977
  Personal Care Products — 0.5%  
112,006 Kenvue, Inc. $  2,107,953
  Total Personal Care Products   $2,107,953
  Pharmaceuticals — 3.1%  
12,544 Eli Lilly & Co. $  9,798,118
19,479 Merck KGaA   3,096,371
  Total Pharmaceuticals  $12,894,489
  Professional Services — 0.7%  
11,383 Automatic Data Processing, Inc. $  2,753,434
  Total Professional Services   $2,753,434
  Semiconductors & Semiconductor Equipment — 4.0%  
51,568(c) Advanced Micro Devices, Inc. $  8,167,340
12,083 Analog Devices, Inc.   2,423,971
4,130 Lam Research Corp.   3,693,913
23,708 Microchip Technology, Inc.   2,180,662
  Total Semiconductors & Semiconductor Equipment  $16,465,886
  Software — 5.8%  
10,420(c) Adobe, Inc. $  4,822,689
Pioneer Balanced ESG Fund | 4/30/244
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Shares           Value
  Software — (continued)  
41,154 Microsoft Corp. $ 16,022,487
29,762 Oracle Corp.   3,385,427
  Total Software  $24,230,603
  Specialized REITs — 1.1%  
20,196 Crown Castle, Inc. $  1,893,981
19,074 Digital Realty Trust, Inc.   2,647,090
  Total Specialized REITs   $4,541,071
  Specialty Retail — 1.9%  
48,736 TJX Cos., Inc. $  4,585,570
8,019(c) Ulta Beauty, Inc.   3,246,412
  Total Specialty Retail   $7,831,982
  Technology Hardware, Storage & Peripherals — 1.9%  
100,356(c) Pure Storage, Inc., Class A $  5,057,942
1,888 Samsung Electronics Co., Ltd. (G.D.R.) (144A)   2,660,192
  Total Technology Hardware, Storage & Peripherals   $7,718,134
  Textiles, Apparel & Luxury Goods — 1.0%  
11,938(c) Lululemon Athletica, Inc. $  4,304,843
  Total Textiles, Apparel & Luxury Goods   $4,304,843
  Trading Companies & Distributors — 2.3%  
54,840(c) AerCap Holdings NV $  4,633,432
23,955 Ferguson Plc   5,028,154
  Total Trading Companies & Distributors   $9,661,586
  Total Common Stocks
(Cost $164,079,947) 		$263,354,699
Principal
Amount
USD ($) 		           
  Asset Backed Securities — 2.3% of Net Assets  
57,377 Accelerated LLC, Series 2021-1H, Class C, 2.35%, 10/20/40 (144A) $     52,289
250,000(d) Affirm Asset Securitization Trust, Series 2024-X1, Class A, 6.27%, 5/15/29 (144A)      250,012
300,000 Amur Equipment Finance Receivables XI LLC, Series 2022-2A, Class D, 7.25%, 5/21/29 (144A)      302,016
100,000 Amur Equipment Finance Receivables XII LLC, Series 2023-1A, Class C, 6.36%, 12/20/29 (144A)      100,564
300,000(a) Arbor Realty Commercial Real Estate Notes, Ltd., Series 2021-FL3, Class C, 7.285% (1 Month Term SOFR + 196 bps), 8/15/34 (144A)      288,544
5Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Asset Backed Securities — (continued)  
250,000(a) Arbor Realty Commercial Real Estate Notes, Ltd., Series 2022-FL1, Class C, 7.63% (SOFR30A + 230 bps), 1/15/37 (144A) $    245,691
400,000(a) Arbor Realty Commercial Real Estate Notes, Ltd., Series 2022-FL2, Class C, 8.771% (1 Month Term SOFR + 345 bps), 5/15/37 (144A)      396,004
100,000 Avis Budget Rental Car Funding AESOP LLC, Series 2024-1A, Class B, 5.85%, 6/20/30 (144A)       99,003
120,000 Avis Budget Rental Car Funding AESOP LLC, Series 2024-1A, Class C, 6.48%, 6/20/30 (144A)      119,269
250,000(a) Benefit Street Partners CLO XIX, Ltd., Series 2019-19A, Class D, 9.39% (3 Month Term SOFR + 406 bps), 1/15/33 (144A)      248,937
185,374 Blackbird Capital II Aircraft Lease, Ltd., Series 2021-1A, Class A, 2.443%, 7/15/46 (144A)      163,174
160,000(a) BSPRT Issuer, Ltd., Series 2022-FL8, Class C, 7.63% (SOFR30A + 230 bps), 2/15/37 (144A)      154,595
98,521 BXG Receivables Note Trust, Series 2018-A, Class C, 4.44%, 2/2/34 (144A)       94,744
250,000(a) Carlyle US CLO, Ltd., Series 2019-4A, Class CR, 8.529% (3 Month Term SOFR + 320 bps), 4/15/35 (144A)      244,238
122,288(e) Cascade MH Asset Trust, Series 2019-MH1, Class A, 4.00%, 11/25/44 (144A)      111,771
150,000 Cascade MH Asset Trust, Series 2021-MH1, Class M1, 2.992%, 2/25/46 (144A)      108,196
200,000(e) CFMT LLC, Series 2021-HB7, Class M3, 3.849%, 10/27/31 (144A)      188,901
130,000(e) CFMT LLC, Series 2022-HB9, Class M3, 3.25%, 9/25/37 (144A)      108,836
200,000 Commercial Equipment Finance LLC, Series 2021-A, Class C, 3.55%, 12/15/28 (144A)      193,036
400,000 Continental Finance Credit Card ABS Master Trust, Series 2022-A, Class A, 6.19%, 10/15/30 (144A)      396,447
85,648 CoreVest American Finance Trust, Series 2020-3, Class A, 1.358%, 8/15/53 (144A)       80,301
361,600 Crossroads Asset Trust, Series 2021-A, Class D, 2.52%, 1/20/26 (144A)      360,489
100,000 DataBank Issuer, Series 2021-1A, Class B, 2.65%, 2/27/51 (144A)       89,528
350,000 DataBank Issuer, Series 2024-1A, Class A2, 5.30%, 1/26/54 (144A)      323,716
100,000 Dell Equipment Finance Trust, Series 2024-1, Class D, 6.12%, 9/23/30 (144A)       99,486
Pioneer Balanced ESG Fund | 4/30/246
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Asset Backed Securities — (continued)  
192,000 Domino's Pizza Master Issuer LLC, Series 2019-1A, Class A2, 3.668%, 10/25/49 (144A) $    172,434
15,883 Drive Auto Receivables Trust, Series 2020-2, Class D, 3.05%, 5/15/28       15,885
400,000 Exeter Automobile Receivables Trust, Series 2023-5A, Class D, 7.13%, 2/15/30      407,711
400,000(e) Finance of America HECM Buyout, Series 2022-HB1, Class M3, 5.084%, 2/25/32 (144A)      362,841
32,486 Foundation Finance Trust, Series 2021-1A, Class A, 1.27%, 5/15/41 (144A)       29,253
160,000 GLS Auto Receivables Issuer Trust, Series 2023-4A, Class D, 7.18%, 8/15/29 (144A)      163,434
125,000(a) HGI CRE CLO, Ltd., Series 2021-FL2, Class C, 7.234% (1 Month Term SOFR + 191 bps), 9/17/36 (144A)      120,473
195,000 HOA Funding LLC - HOA, Series 2021-1A, Class A2, 4.723%, 8/20/51 (144A)      151,916
116,692 Home Partners of America Trust, Series 2019-1, Class D, 3.406%, 9/17/39 (144A)      103,643
165,489 Home Partners of America Trust, Series 2019-2, Class E, 3.32%, 10/19/39 (144A)      143,221
100,000 HPEFS Equipment Trust, Series 2023-2A, Class D, 6.97%, 7/21/31 (144A)      100,870
460,000 HPEFS Equipment Trust, Series 2024-1A, Class D, 5.82%, 11/20/31 (144A)      455,949
34,374 Mosaic Solar Loan Trust, Series 2019-2A, Class A, 2.88%, 9/20/40 (144A)       29,894
83,939 Mosaic Solar Loan Trust, Series 2020-1A, Class A, 2.10%, 4/20/46 (144A)       71,271
150,000 Nelnet Student Loan Trust, Series 2021-A, Class B1, 2.85%, 4/20/62 (144A)      121,367
100,000 NMEF Funding LLC, Series 2021-A, Class C, 2.58%, 12/15/27 (144A)       98,412
100,000 NMEF Funding LLC, Series 2022-B, Class C, 8.54%, 6/15/29 (144A)       98,387
70,581 Oportun Funding XIV LLC, Series 2021-A, Class C, 3.44%, 3/8/28 (144A)       67,750
222,375(a) ReadyCap Lending Small Business Loan Trust, Series 2023-3, Class A, 8.57% (PRIME + 7 bps), 4/25/48 (144A)      225,580
250,000 Republic Finance Issuance Trust, Series 2021-A, Class A, 2.30%, 12/22/31 (144A)      239,003
100,000 Republic Finance Issuance Trust, Series 2021-A, Class C, 3.53%, 12/22/31 (144A)       91,205
7Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Asset Backed Securities — (continued)  
160,000 Santander Drive Auto Receivables Trust, Series 2024-2, Class D, 6.28%, 8/15/31 $    160,248
250,000 SCF Equipment Leasing LLC, Series 2021-1A, Class D, 1.93%, 9/20/30 (144A)      234,813
59,557 SpringCastle America Funding LLC, Series 2020-AA, Class A, 1.97%, 9/25/37 (144A)       54,205
325,000(a) STWD, Ltd., Series 2022-FL3, Class B, 7.28% (SOFR30A + 195 bps), 11/15/38 (144A)      311,372
200,000 Switch ABS Issuer LLC, Series 2024-1A, Class A2, 6.28%, 3/25/54 (144A)      195,124
120,000 Tricon American Homes Trust, Series 2020-SFR2, Class E1, 2.73%, 11/17/39 (144A)      105,076
105,000 VFI ABS LLC, Series 2023-1A, Class C, 9.26%, 12/24/29 (144A)      105,335
98,778 Welk Resorts LLC, Series 2019-AA, Class C, 3.34%, 6/15/38 (144A)       93,034
17,692 Westgate Resorts LLC, Series 2020-1A, Class C, 6.213%, 3/20/34 (144A)       17,600
168,744 Westgate Resorts LLC, Series 2022-1A, Class C, 2.488%, 8/20/36 (144A)     160,931
  Total Asset Backed Securities
(Cost $9,941,136) 		  $9,528,024
  Collateralized Mortgage
Obligations—2.4% of Net Assets 		 
425,000(e) BINOM Securitization Trust, Series 2022-RPL1, Class M2, 3.00%, 2/25/61 (144A) $    301,047
100,000(e) Bunker Hill Loan Depositary Trust, Series 2020-1, Class A3, 3.253%, 2/25/55 (144A)       85,863
500,000(e) Citigroup Mortgage Loan Trust, Series 2018-RP3, Class M3, 3.25%, 3/25/61 (144A)      400,673
654,347(e) Citigroup Mortgage Loan Trust, Series 2021-INV2, Class B1W, 2.986%, 5/25/51 (144A)      510,080
150,000(a) Connecticut Avenue Securities Trust, Series 2022-R02, Class 2M2, 8.33% (SOFR30A + 300 bps), 1/25/42 (144A)      153,834
100,000(a) Connecticut Avenue Securities Trust, Series 2024-R03, Class 2M2, 7.28% (SOFR30A + 195 bps), 3/25/44 (144A)      100,158
210,000(a) Eagle Re, Ltd., Series 2023-1, Class M1B, 9.28% (SOFR30A + 395 bps), 9/26/33 (144A)      217,045
117,658 Federal Home Loan Mortgage Corp. REMICs, Series 3816, Class HA, 3.50%, 11/15/25      115,737
Pioneer Balanced ESG Fund | 4/30/248
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Collateralized Mortgage
Obligations—(continued) 		 
11,766(a) Federal Home Loan Mortgage Corp. REMICs, Series 3868, Class FA, 5.845% (SOFR30A + 51 bps), 5/15/41 $     11,590
97,311(a)(f) Federal Home Loan Mortgage Corp. REMICs, Series 4091, Class SH, 1.106% (SOFR30A + 644 bps), 8/15/42        9,950
78,023(f) Federal Home Loan Mortgage Corp. REMICs, Series 4999, Class QI, 4.00%, 5/25/50       16,388
102,956(f) Federal Home Loan Mortgage Corp. REMICs, Series 5067, Class GI, 4.00%, 12/25/50       20,992
12,902(a) Federal National Mortgage Association REMICs, Series 2006-104, Class GF, 5.765% (SOFR30A + 43 bps), 11/25/36       12,726
17,781(a) Federal National Mortgage Association REMICs, Series 2006-23, Class FP, 5.745% (SOFR30A + 41 bps), 4/25/36       17,489
6,792(a) Federal National Mortgage Association REMICs, Series 2007-93, Class FD, 5.995% (SOFR30A + 66 bps), 9/25/37        6,716
42,416(a) Federal National Mortgage Association REMICs, Series 2011-63, Class FG, 5.895% (SOFR30A + 56 bps), 7/25/41       41,851
66,086(f) Federal National Mortgage Association REMICs, Series 2020-83, Class EI, 4.00%, 11/25/50       13,668
485,000(a) Freddie Mac STACR REMIC Trust, Series 2021-HQA3, Class B1, 8.68% (SOFR30A + 335 bps), 9/25/41 (144A)      499,249
400,000(a) Freddie Mac STACR REMIC Trust, Series 2021-HQA3, Class M2, 7.43% (SOFR30A + 210 bps), 9/25/41 (144A)      400,752
286,350(f) Government National Mortgage Association, Series 2019-159, Class CI, 3.50%, 12/20/49       48,577
241,629(a)(f) Government National Mortgage Association, Series 2020-9, Class SA, 0.000% (1 Month Term SOFR + 324 bps), 1/20/50        2,592
160,000(e) GS Mortgage-Backed Securities Corp. Trust, Series 2022-PJ4, Class A33, 3.00%, 9/25/52 (144A)      109,061
43,026(e) GS Mortgage-Backed Securities Trust, Series 2020-NQM1, Class A3, 2.352%, 9/27/60 (144A)       39,782
290,215(e) GS Mortgage-Backed Securities Trust, Series 2022-PJ1, Class A4, 2.50%, 5/28/52 (144A)      220,257
68,968(a) Home Re, Ltd., Series 2019-1, Class M1, 7.095% (SOFR30A + 176 bps), 5/25/29 (144A)       68,980
100,000(e) Homeward Opportunities Fund I Trust, Series 2020-2, Class A3, 3.196%, 5/25/65 (144A)       94,498
9Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Collateralized Mortgage
Obligations—(continued) 		 
100,000(e) Imperial Fund Mortgage Trust, Series 2021-NQM2, Class B1, 3.295%, 9/25/56 (144A) $     66,127
100,000(e) Imperial Fund Mortgage Trust, Series 2021-NQM2, Class M1, 2.489%, 9/25/56 (144A)       63,647
312,636 IMS Ecuadorian Mortgage Trust, Series 2021-1, Class GA, 3.40%, 8/18/43 (144A)      286,843
122,994(e) JP Morgan Mortgage Trust, Series 2021-13, Class B1, 3.14%, 4/25/52 (144A)       96,662
279,250(e) JP Morgan Mortgage Trust, Series 2021-7, Class B2, 2.798%, 11/25/51 (144A)      211,463
120,732(e) JP Morgan Mortgage Trust, Series 2021-INV1, Class B1, 2.978%, 10/25/51 (144A)       93,937
800,000(e) JP Morgan Mortgage Trust, Series 2022-2, Class A5A, 2.50%, 8/25/52 (144A)      499,432
210,000(e) JP Morgan Mortgage Trust, Series 2022-4, Class A5, 3.00%, 10/25/52 (144A)      142,911
661,101(e) JP Morgan Mortgage Trust, Series 2022-8, Class B2, 4.677%, 1/25/53 (144A)      565,598
250,000(e) JP Morgan Mortgage Trust, Series 2022-LTV1, Class M1, 3.517%, 7/25/52 (144A)      148,532
330,755(e) Mello Mortgage Capital Acceptance, Series 2021-INV2, Class A15, 2.50%, 8/25/51 (144A)      250,711
300,000(e) Mello Mortgage Capital Acceptance, Series 2021-INV2, Class A5, 2.50%, 8/25/51 (144A)      188,879
39,546(e) MFA Trust, Series 2020-NQM1, Class A3, 2.30%, 8/25/49 (144A)       35,664
300,000(e) Mill City Mortgage Loan Trust, Series 2019-GS2, Class M3, 3.25%, 8/25/59 (144A)      236,058
31,518(e) New Residential Mortgage Loan Trust, Series 2019-NQM4, Class A1, 2.492%, 9/25/59 (144A)       28,739
61,618(a) Oaktown Re V, Ltd., Series 2020-2A, Class M2, 10.695% (SOFR30A + 536 bps), 10/25/30 (144A)       62,561
553,102(e) PRMI Securitization Trust, Series 2021-1, Class B1, 2.478%, 4/25/51 (144A)      415,635
264,006(e) Provident Funding Mortgage Trust, Series 2021-2, Class A9, 2.25%, 4/25/51 (144A)      200,854
150,000(a) Radnor Re, Ltd., Series 2023-1, Class M1A, 8.03% (SOFR30A + 270 bps), 7/25/33 (144A)      151,959
302,966(e) RCKT Mortgage Trust, Series 2021-3, Class A25, 2.50%, 7/25/51 (144A)      230,313
272,350(e) RCKT Mortgage Trust, Series 2021-4, Class B1A, 3.007%, 9/25/51 (144A)      212,897
Pioneer Balanced ESG Fund | 4/30/2410
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Collateralized Mortgage
Obligations—(continued) 		 
385,000(e) RCKT Mortgage Trust, Series 2022-3, Class A17, 3.00%, 5/25/52 (144A) $    259,975
34,665(e) RMF Proprietary Issuance Trust, Series 2019-1, Class A, 2.75%, 10/25/63 (144A)       29,357
301,945(e) RMF Proprietary Issuance Trust, Series 2021-2, Class A, 2.125%, 9/25/61 (144A)      254,193
150,000(e) Sequoia Mortgage Trust, Series 2022-1, Class A7, 2.50%, 2/25/52 (144A)       93,963
140,000(a) Towd Point Mortgage Trust, Series 2019-HY1, Class B2, 7.581% (1 Month Term SOFR + 226 bps), 10/25/48 (144A)      138,916
270,000(a) Triangle Re, Ltd., Series 2023-1, Class M1A, 8.73% (SOFR30A + 340 bps), 11/25/33 (144A)      275,441
400,000(e) UWM Mortgage Trust, Series 2021-INV1, Class A5, 2.50%, 8/25/51 (144A)      252,630
675,000(e) UWM Mortgage Trust, Series 2021-INV2, Class A5, 2.50%, 9/25/51 (144A)      426,719
52,761(e) Visio Trust, Series 2019-2, Class A1, 2.722%, 11/25/54 (144A)       49,717
362,305(e) Wells Fargo Mortgage Backed Securities Trust, Series 2020-5, Class B2, 2.912%, 9/25/50 (144A)      289,934
100,000(e) Wells Fargo Mortgage Backed Securities Trust, Series 2022-2, Class A5, 3.00%, 12/25/51 (144A)       67,970
335,000(e) Wells Fargo Mortgage Backed Securities Trust, Series 2022-2, Class A6, 2.50%, 12/25/51 (144A)     209,190
  Total Collateralized Mortgage Obligations
(Cost $11,794,108) 		 $10,056,982
  Commercial Mortgage-Backed
Securities—1.4% of Net Assets 		 
300,000 Benchmark Mortgage Trust, Series 2018-B8, Class A4, 3.963%, 1/15/52 $    281,186
200,000(e) Benchmark Mortgage Trust, Series 2022-B34, Class AM, 3.959%, 4/15/55      168,353
207,730 Citigroup Commercial Mortgage Trust, Series 2018-C5, Class A3, 3.963%, 6/10/51      194,286
5,348,396(e)(f) COMM Mortgage Trust, Series 2014-CR18, Class XA, 1.017%, 7/15/47          116
497 Credit Suisse First Boston Mortgage Securities Corp., Series 2005-C2, Class AMFX, 4.877%, 4/15/37          491
250,000(e) CSAIL Commercial Mortgage Trust, Series 2015-C4, Class AS, 4.174%, 11/15/48      239,354
11Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Commercial Mortgage-Backed
Securities—(continued) 		 
12,584(a) Freddie Mac Multifamily Structured Credit Risk, Series 2021-MN1, Class M1, 7.33% (SOFR30A + 200 bps), 1/25/51 (144A) $     12,302
550,000(a) Freddie Mac Multifamily Structured Credit Risk, Series 2021-MN3, Class M2, 9.33% (SOFR30A + 400 bps), 11/25/51 (144A)      539,073
254,346 Freddie Mac Multifamily Structured Pass Through Certificates, Series K729, Class A2, 3.136%, 10/25/24      251,207
100,000(e) FREMF Mortgage Trust, Series 2017-KW03, Class B, 4.211%, 7/25/27 (144A)       91,232
109,745(a) FREMF Mortgage Trust, Series 2019-KF64, Class B, 7.737% (SOFR30A + 241 bps), 6/25/26 (144A)      106,074
105,515(a) FREMF Mortgage Trust, Series 2019-KF66, Class B, 7.837% (SOFR30A + 251 bps), 7/25/29 (144A)       98,135
250,000(e) FREMF Trust, Series 2018-KW04, Class B, 4.061%, 9/25/28 (144A)      214,340
816,221(e)(f) Government National Mortgage Association, Series 2017-21, Class IO, 0.632%, 10/16/58       29,285
400,000(a) GS Mortgage Securities Corportation Trust, Series 2021-IP, Class D, 7.535% (1 Month Term SOFR + 221 bps), 10/15/36 (144A)      380,625
100,000(e) HTL Commercial Mortgage Trust, Series 2024-T53, Class B, 6.555%, 5/10/39 (144A)       99,222
375,000 JP Morgan Chase Commercial Mortgage Securities Trust, Series 2018-WPT, Class AFX, 4.248%, 7/5/33 (144A)      346,875
250,000 JPMDB Commercial Mortgage Securities Trust, Series 2018-C8, Class A4, 4.211%, 6/15/51      232,024
2,450,000(e)(f) JPMDB Commercial Mortgage Securities Trust, Series 2018-C8, Class XB, 0.191%, 6/15/51       11,125
250,000 Key Commercial Mortgage Securities Trust, Series 2019-S2, Class A3, 3.469%, 6/15/52 (144A)      224,761
250,000(a) MF1 Multifamily Housing Mortgage Loan Trust, Series 2021-FL5, Class D, 7.931% (1 Month Term SOFR + 261 bps), 7/15/36 (144A)      245,255
300,000(e) Morgan Stanley Capital I Trust, Series 2018-MP, Class A, 4.419%, 7/11/40 (144A)      258,764
150,000(a) ORL Trust, Series 2023-GLKS, Class A, 7.671% (1 Month Term SOFR + 235 bps), 10/19/36 (144A)      150,469
50,000 Palisades Center Trust, Series 2016-PLSD, Class A, 2.713%, 4/13/33 (144A)       31,250
Pioneer Balanced ESG Fund | 4/30/2412
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Commercial Mortgage-Backed
Securities—(continued) 		 
500,000(a) Ready Capital Mortgage Financing LLC, Series 2021-FL7, Class D, 8.381% (1 Month Term SOFR + 306 bps), 11/25/36 (144A) $    487,522
125,000(e) Soho Trust, Series 2021-SOHO, Class A, 2.786%, 8/10/38 (144A)       82,642
325,000(a) Taubman Centers Commercial Mortgage Trust, Series 2022-DPM, Class B, 8.253% (1 Month Term SOFR + 293 bps), 5/15/37 (144A)      326,215
210,000(e) THPT Mortgage Trust, Series 2023-THL, Class A, 7.227%, 12/10/34 (144A)      211,869
335,826(a) TTAN, Series 2021-MHC, Class B, 6.535% (1 Month Term SOFR + 121 bps), 3/15/38 (144A)      333,097
987,736(e)(f) Wells Fargo Commercial Mortgage Trust, Series 2015-NXS3, Class XA, 1.019%, 9/15/57        9,051
2,265,113(e)(f) Wells Fargo Commercial Mortgage Trust, Series 2016-LC24, Class XA, 1.748%, 10/15/49      64,437
  Total Commercial Mortgage-Backed Securities
(Cost $6,270,982) 		  $5,720,637
  Convertible Corporate Bonds — 1.8% of
Net Assets 		 
  REITs — 1.8%  
4,484,000 PennyMac Corp., 5.50%, 3/15/26 $  4,226,170
3,227,000 Redwood Trust, Inc., 7.75%, 6/15/27   3,063,633
  Total REITs   $7,289,803
  Total Convertible Corporate Bonds
(Cost $7,189,784) 		  $7,289,803
  Corporate Bonds — 10.9% of Net Assets  
  Airlines — 0.0%†  
114,226 Air Canada 2017-1 Class AA Pass Through Trust, 3.30%, 1/15/30 (144A) $    102,177
60,000 Delta Air Lines, Inc./SkyMiles IP, Ltd., 4.75%, 10/20/28 (144A)      58,085
  Total Airlines     $160,262
  Auto Manufacturers — 0.4%  
85,000 Cummins, Inc., 5.15%, 2/20/34 $     83,448
150,000 Cummins, Inc., 5.45%, 2/20/54      144,394
165,000 General Motors Financial Co., Inc., 3.10%, 1/12/32      136,063
90,000 General Motors Financial Co., Inc., 5.75%, 2/8/31       88,924
440,000 General Motors Financial Co., Inc., 6.10%, 1/7/34      437,121
13Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Auto Manufacturers — (continued)  
285,000 Hyundai Capital America, 5.80%, 4/1/30 (144A) $    284,828
125,000 Hyundai Capital America, 6.20%, 9/21/30 (144A)      127,280
325,000 Mercedes-Benz Finance North America LLC, 4.85%, 1/11/29 (144A)     318,339
  Total Auto Manufacturers   $1,620,397
  Banks — 4.9%  
400,000(e) ABN AMRO Bank NV, 3.324% (5 Year CMT Index + 190 bps), 3/13/37 (144A) $    320,352
200,000 ABN AMRO Bank NV, 4.80%, 4/18/26 (144A)      195,002
285,000(e) Australia & New Zealand Banking Group, Ltd., 5.731% (5 Year CMT Index + 162 bps), 9/18/34 (144A)      277,965
200,000 Banco Bilbao Vizcaya Argentaria S.A., 5.381%, 3/13/29      197,940
200,000 Banco Santander Chile, 2.70%, 1/10/25 (144A)      195,551
600,000(e) Banco Santander S.A., 3.225% (1 Year CMT Index + 160 bps), 11/22/32      485,007
335,000(e) Bank of America Corp., 2.572% (SOFR + 121 bps), 10/20/32      270,249
70,000(e) Bank of New York Mellon Corp., 4.975% (SOFR + 109 bps), 3/14/30       68,537
150,000(e) Bank of New York Mellon Corp., 5.834% (SOFR + 207 bps), 10/25/33      152,451
565,000(e) Bank of Nova Scotia, 4.588% (5 Year CMT Index + 205 bps), 5/4/37      498,757
445,000(e) Barclays Plc, 5.746% (1 Year CMT Index + 300 bps), 8/9/33      434,545
2,235,000(e)(g) Barclays Plc, 8.00% (5 Year CMT Index + 543 bps)   2,197,796
225,000(e) BNP Paribas S.A., 2.159% (SOFR + 122 bps), 9/15/29 (144A)      192,982
260,000(e) BNP Paribas S.A., 5.176% (SOFR + 152 bps), 1/9/30 (144A)      254,937
350,000(e) BPCE S.A., 3.116% (SOFR + 173 bps), 10/19/32 (144A)      280,722
250,000(e) BPCE S.A., 3.648% (5 Year CMT Index + 190 bps), 1/14/37 (144A)      202,918
270,000(e) CaixaBank S.A., 6.84% (SOFR + 277 bps), 9/13/34 (144A)      279,040
220,000(e) Citigroup, Inc., 2.52% (SOFR + 118 bps), 11/3/32      176,332
205,000(e) Citigroup, Inc., 4.91% (SOFR + 209 bps), 5/24/33      192,393
135,000(e) Citizens Financial Group, Inc., 5.841% (SOFR + 201 bps), 1/23/30      132,215
65,000(e) Citizens Financial Group, Inc., 6.645% (SOFR + 233 bps), 4/25/35       65,182
375,000(e) Comerica Bank, 5.332% (SOFR + 261 bps), 8/25/33      328,228
Pioneer Balanced ESG Fund | 4/30/2414
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Banks — (continued)  
275,000(e) Danske Bank A/S, 5.427% (1 Year CMT Index + 95 bps), 3/1/28 (144A) $    272,465
630,000 Federation des Caisses Desjardins du Quebec, 5.25%, 4/26/29 (144A)      618,755
210,000(e) Goldman Sachs Group, Inc., 2.65% (SOFR + 126 bps), 10/21/32      170,046
195,000(e) Goldman Sachs Group, Inc., 3.272% (3 Month Term SOFR + 146 bps), 9/29/25      192,859
140,000(e) Goldman Sachs Group, Inc., 4.223% (3 Month Term SOFR + 156 bps), 5/1/29      132,843
305,000(e) HSBC Holdings Plc, 2.206% (SOFR + 129 bps), 8/17/29      263,161
335,000(e) HSBC Holdings Plc, 2.871% (SOFR + 141 bps), 11/22/32      271,707
200,000(e) HSBC Holdings Plc, 6.161% (SOFR + 197 bps), 3/9/29      202,261
200,000(e) ING Groep NV, 4.252% (SOFR + 207 bps), 3/28/33      180,672
585,000(e)(g) ING Groep NV, 4.25% (5 Year CMT Index + 286 bps)      430,035
250,000(e) Intesa Sanpaolo S.p.A., 7.778% (1 Year CMT Index + 390 bps), 6/20/54 (144A)      256,159
380,000 Intesa Sanpaolo S.p.A., 7.80%, 11/28/53 (144A)      408,120
275,000(e) JPMorgan Chase & Co., 2.545% (SOFR + 118 bps), 11/8/32      223,111
90,000(e) JPMorgan Chase & Co., 4.586% (SOFR + 180 bps), 4/26/33       83,756
300,000(e) JPMorgan Chase & Co., 5.04% (SOFR + 119 bps), 1/23/28      295,744
215,000(e) JPMorgan Chase & Co., 5.766% (SOFR + 149 bps), 4/22/35      215,144
500,000 KeyBank N.A., 4.15%, 8/8/25      485,354
105,000(e) KeyCorp, 6.401% (SOFR + 242 bps), 3/6/35      103,289
285,000(e) Lloyds Banking Group Plc, 4.976% (1 Year CMT Index + 230 bps), 8/11/33      267,401
260,000(e) Lloyds Banking Group Plc, 7.953% (1 Year CMT Index + 375 bps), 11/15/33      285,378
205,000(e)(g) Lloyds Banking Group Plc, 8.00% (5 Year CMT Index + 391 bps)      202,449
300,000(e) Macquarie Group, Ltd., 2.691% (SOFR + 144 bps), 6/23/32 (144A)      243,426
175,000(e) Macquarie Group, Ltd., 2.871% (SOFR + 153 bps), 1/14/33 (144A)      141,575
200,000(e) Mitsubishi UFJ Financial Group, Inc., 2.494% (1 Year CMT Index + 97 bps), 10/13/32      162,486
210,000(e) Mitsubishi UFJ Financial Group, Inc., 5.426% (1 Year CMT Index + 100 bps), 4/17/35      204,890
175,000(e) Morgan Stanley, 5.173% (SOFR + 145 bps), 1/16/30      171,587
15Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Banks — (continued)  
290,000(e) Morgan Stanley, 5.297% (SOFR + 262 bps), 4/20/37 $    271,606
70,000(e) Morgan Stanley, 5.652% (SOFR + 101 bps), 4/13/28       70,069
180,000(e) Morgan Stanley, 5.942% (5 Year CMT Index + 180 bps), 2/7/39      173,196
65,000(e) Morgan Stanley, 5.948% (5 Year CMT Index + 243 bps), 1/19/38       63,176
210,000(e) NatWest Group Plc, 6.475% (5 Year CMT Index + 220 bps), 6/1/34      210,882
585,000(e)(g) Nordea Bank Abp, 3.75% (5 Year CMT Index + 260 bps) (144A)      473,940
65,000(e) PNC Financial Services Group, Inc., 5.30% (SOFR + 134 bps), 1/21/28       64,435
190,000(e) PNC Financial Services Group, Inc., 6.875% (SOFR + 228 bps), 10/20/34      201,668
195,000(e) Santander Holdings USA, Inc., 2.49% (SOFR + 125 bps), 1/6/28      176,697
425,000(e) Standard Chartered Plc, 6.296% (1 Year CMT Index + 258 bps), 7/6/34 (144A)      433,039
60,000(e) Truist Financial Corp., 5.435% (SOFR + 162 bps), 1/24/30       58,774
200,000(e) Truist Financial Corp., 7.161% (SOFR + 245 bps), 10/30/29      209,415
385,000(e) UBS Group AG, 2.746% (1 Year CMT Index + 110 bps), 2/11/33 (144A)      305,752
2,500,000(e)(g) UBS Group AG, 4.875% (5 Year CMT Index + 340 bps) (144A)   2,244,719
200,000(e) UBS Group AG, 4.988% (1 Year CMT Index + 240 bps), 8/5/33 (144A)      186,784
350,000(e) UniCredit S.p.A., 2.569% (1 Year CMT Index + 230 bps), 9/22/26 (144A)      333,763
230,000(e) UniCredit S.p.A., 5.459% (5 Year CMT Index + 475 bps), 6/30/35 (144A)      211,628
200,000(e) UniCredit S.p.A., 7.296% (5 Year USD Swap Rate + 491 bps), 4/2/34 (144A)      201,688
530,000(e) US Bancorp, 2.491% (5 Year CMT Index + 95 bps), 11/3/36      404,008
80,000(e) US Bancorp, 5.384% (SOFR + 156 bps), 1/23/30      78,887
  Total Banks  $20,257,900
  Biotechnology — 0.0%†  
165,000 Amgen, Inc., 5.25%, 3/2/33 $    161,399
  Total Biotechnology     $161,399
Pioneer Balanced ESG Fund | 4/30/2416
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Building Materials — 0.0%†  
60,000 Miter Brands Acquisition Holdco, Inc./MIWD Borrower LLC, 6.75%, 4/1/32 (144A) $     59,588
  Total Building Materials      $59,588
  Commercial Services — 0.2%  
200,000 Ashtead Capital, Inc., 5.50%, 8/11/32 (144A) $    191,764
200,000 Ashtead Capital, Inc., 5.95%, 10/15/33 (144A)      196,927
55,000 Element Fleet Management Corp., 5.643%, 3/13/27 (144A)       54,616
235,000 Element Fleet Management Corp., 6.319%, 12/4/28 (144A)      238,492
170,000 S&P Global, Inc., 5.25%, 9/15/33 (144A)     168,471
  Total Commercial Services     $850,270
  Diversified Financial Services — 0.8%  
850,000 AerCap Ireland Capital DAC/AerCap Global Aviation Trust, 3.30%, 1/30/32 $    709,619
245,000 Ameriprise Financial, Inc., 5.15%, 5/15/33      239,991
18,000 Avolon Holdings Funding, Ltd., 3.95%, 7/1/24 (144A)       17,932
570,000 Avolon Holdings Funding, Ltd., 6.375%, 5/4/28 (144A)      574,242
290,000(e) Capital One Financial Corp., 2.359% (SOFR + 134 bps), 7/29/32      220,003
73,000(e) Capital One Financial Corp., 5.268% (SOFR + 237 bps), 5/10/33       69,135
126,000(e) Capital One Financial Corp., 6.377% (SOFR + 286 bps), 6/8/34      126,821
220,000(e) Charles Schwab Corp., 5.853% (SOFR + 250 bps), 5/19/34      219,058
30,000 Freedom Mortgage Holdings LLC, 9.25%, 2/1/29 (144A)       30,159
445,000 Nomura Holdings, Inc., 2.999%, 1/22/32      365,004
225,000 Nomura Holdings, Inc., 5.605%, 7/6/29      222,967
305,000 OneMain Finance Corp., 4.00%, 9/15/30      256,535
105,000 OneMain Finance Corp., 9.00%, 1/15/29      110,079
143,000 Raymond James Financial, Inc., 3.75%, 4/1/51      102,519
163,000 United Wholesale Mortgage LLC, 5.50%, 4/15/29 (144A)     151,425
  Total Diversified Financial Services   $3,415,489
  Electric — 0.6%  
195,000(e) Algonquin Power & Utilities Corp., 4.75% (5 Year CMT Index + 325 bps), 1/18/82 $    169,132
50,000(h) Algonquin Power & Utilities Corp., 5.365%, 6/15/26       49,478
125,000 American Electric Power Co., Inc., 4.30%, 12/1/28      118,825
17Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Electric — (continued)  
220,000 Consolidated Edison Co. of New York, Inc., 4.625%, 12/1/54 $    181,649
76,000(h) Dominion Energy, Inc., 3.071%, 8/15/24       75,332
250,000 Duke Energy Carolinas LLC, 3.95%, 3/15/48      188,214
350,000 Entergy Louisiana LLC, 5.35%, 3/15/34      339,465
121,000 New York State Electric & Gas Corp., 3.30%, 9/15/49 (144A)       77,976
185,000 NextEra Energy Capital Holdings, Inc., 6.051%, 3/1/25      185,366
390,000 PacifiCorp, 5.45%, 2/15/34      374,491
205,000 Puget Energy, Inc., 2.379%, 6/15/28      180,258
133,000 Puget Energy, Inc., 4.10%, 6/15/30      120,232
120,000 Puget Energy, Inc., 4.224%, 3/15/32      104,958
200,000 Virginia Electric and Power Co., 4.45%, 2/15/44      166,030
90,000 Vistra Operations Co. LLC, 6.00%, 4/15/34 (144A)      87,482
  Total Electric   $2,418,888
  Energy-Alternate Sources — 0.0%†  
35,226 Alta Wind Holdings LLC, 7.00%, 6/30/35 (144A) $     35,140
  Total Energy-Alternate Sources      $35,140
  Food — 0.1%  
215,000 Smithfield Foods, Inc., 2.625%, 9/13/31 (144A) $    164,418
155,000 Smithfield Foods, Inc., 3.00%, 10/15/30 (144A)      127,049
4,000 Smithfield Foods, Inc., 5.20%, 4/1/29 (144A)       3,792
  Total Food     $295,259
  Gas — 0.2%  
325,000 Boston Gas Co., 3.15%, 8/1/27 (144A) $    297,934
375,000 KeySpan Gas East Corp., 5.994%, 3/6/33 (144A)     369,770
  Total Gas     $667,704
  Hand & Machine Tools — 0.0%†  
125,000 Regal Rexnord Corp., 6.30%, 2/15/30 (144A) $    125,535
  Total Hand & Machine Tools     $125,535
  Healthcare-Products — 0.1%  
48,000 Edwards Lifesciences Corp., 4.30%, 6/15/28 $     46,067
244,000 Smith & Nephew Plc, 2.032%, 10/14/30      196,386
95,000 Smith & Nephew Plc, 5.40%, 3/20/34      91,571
  Total Healthcare-Products     $334,024
Pioneer Balanced ESG Fund | 4/30/2418
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Healthcare-Services — 0.0%†  
75,000 Humana, Inc., 5.375%, 4/15/31 $     73,126
  Total Healthcare-Services      $73,126
  Insurance — 0.7%  
185,000 Brown & Brown, Inc., 4.20%, 3/17/32 $    164,626
435,000 CNO Global Funding, 2.65%, 1/6/29 (144A)      372,332
250,000(e) Farmers Exchange Capital III, 5.454% (3 Month USD LIBOR + 345 bps), 10/15/54 (144A)      207,046
385,000(e) Farmers Insurance Exchange, 4.747% (3 Month USD LIBOR + 323 bps), 11/1/57 (144A)      277,599
508,000 Liberty Mutual Insurance Co., 7.697%, 10/15/97 (144A)      545,613
160,000 Metropolitan Life Global Funding I, 5.15%, 3/28/33 (144A)      154,982
270,000(e) Nippon Life Insurance Co., 2.75% (5 Year CMT Index + 265 bps), 1/21/51 (144A)      219,974
200,000(e) Nippon Life Insurance Co., 2.90% (5 Year CMT Index + 260 bps), 9/16/51 (144A)      161,490
79,000 Primerica, Inc., 2.80%, 11/19/31       64,432
305,000 Prudential Financial, Inc., 3.00%, 3/10/40      219,978
163,000 Prudential Financial, Inc., 3.878%, 3/27/28      154,774
110,000 Teachers Insurance & Annuity Association of America, 4.27%, 5/15/47 (144A)       85,940
110,000 Teachers Insurance & Annuity Association of America, 4.90%, 9/15/44 (144A)       95,407
20,000 Teachers Insurance & Annuity Association of America, 6.85%, 12/16/39 (144A)       21,716
40,000 Willis North America, Inc., 2.95%, 9/15/29      35,027
  Total Insurance   $2,780,936
  Lodging — 0.2%  
150,000 Hilton Grand Vacations Borrower Escrow LLC/Hilton Grand Vacations Borrower Esc, 6.625%, 1/15/32 (144A) $    147,880
405,000 Marriott International, Inc., 4.90%, 4/15/29      394,194
120,000 Marriott International, Inc., 5.30%, 5/15/34     115,091
  Total Lodging     $657,165
  Machinery-Diversified — 0.2%  
500,000 CNH Industrial Capital LLC, 1.875%, 1/15/26 $    469,088
345,000 John Deere Capital Corp., 5.10%, 4/11/34      338,762
105,000 Nordson Corp., 5.80%, 9/15/33     106,087
  Total Machinery-Diversified     $913,937
  Mining — 0.3%  
200,000 Anglo American Capital Plc, 5.75%, 4/5/34 (144A) $    197,487
19Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Mining — (continued)  
290,000 AngloGold Ashanti Holdings Plc, 3.75%, 10/1/30 $    249,020
250,000 Corp. Nacional del Cobre de Chile, 5.625%, 10/18/43 (144A)      223,669
270,000 First Quantum Minerals, Ltd., 8.625%, 6/1/31 (144A)      261,333
140,000 Newmont Corp./Newcrest Finance Pty, Ltd., 5.35%, 3/15/34 (144A)     136,562
  Total Mining   $1,068,071
  Multi-National — 0.1%  
370,000 Banque Ouest Africaine de Developpement, 4.70%, 10/22/31 (144A) $    314,063
  Total Multi-National     $314,063
  Oil & Gas — 0.2%  
600,000 Aker BP ASA, 3.10%, 7/15/31 (144A) $    499,290
400,000 Phillips 66 Co., 3.75%, 3/1/28      376,129
162,000 Valero Energy Corp., 6.625%, 6/15/37     171,051
  Total Oil & Gas   $1,046,470
  Pharmaceuticals — 0.2%  
117,000 AbbVie, Inc., 4.05%, 11/21/39 $     99,127
335,000 Cencora, Inc., 5.125%, 2/15/34      323,666
40,000 CVS Health Corp., 5.25%, 1/30/31       39,237
250,000 CVS Health Corp., 5.25%, 2/21/33     241,526
  Total Pharmaceuticals     $703,556
  Pipelines — 0.3%  
150,000 Enbridge, Inc., 5.625%, 4/5/34 $    146,758
165,000(e) Enbridge, Inc., 8.50% (5 Year CMT Index + 443 bps), 1/15/84      174,083
180,000 NGPL PipeCo LLC, 3.25%, 7/15/31 (144A)      149,959
20,000 Venture Global LNG, Inc., 8.125%, 6/1/28 (144A)       20,449
120,000 Venture Global LNG, Inc., 8.375%, 6/1/31 (144A)      123,146
45,000 Venture Global LNG, Inc., 9.50%, 2/1/29 (144A)       48,369
45,000 Williams Cos., Inc., 5.15%, 3/15/34       42,976
205,000 Williams Cos., Inc., 5.75%, 6/24/44      194,784
242,000 Williams Cos., Inc., 7.75%, 6/15/31     262,684
  Total Pipelines   $1,163,208
  REITs — 0.3%  
19,000 Highwoods Realty LP, 2.60%, 2/1/31 $     14,846
18,000 Highwoods Realty LP, 3.05%, 2/15/30       14,875
394,000 MPT Operating Partnership LP/MPT Finance Corp., 3.50%, 3/15/31      264,189
Pioneer Balanced ESG Fund | 4/30/2420
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  REITs — (continued)  
490,000 Simon Property Group LP , 5.50%, 3/8/33 $    483,899
205,000 UDR, Inc., 1.90%, 3/15/33      151,366
140,000 UDR, Inc., 4.40%, 1/26/29     132,933
  Total REITs   $1,062,108
  Retail — 0.4%  
50,000 AutoNation, Inc., 1.95%, 8/1/28 $     42,589
50,000 AutoNation, Inc., 2.40%, 8/1/31       39,205
140,000 AutoNation, Inc., 3.85%, 3/1/32      121,067
250,000 AutoNation, Inc., 4.75%, 6/1/30      234,383
565,000 Best Buy Co., Inc., 1.95%, 10/1/30      457,422
330,000 Darden Restaurants, Inc., 6.30%, 10/10/33      334,634
335,000 Dollar Tree, Inc., 2.65%, 12/1/31      271,283
280,000 Lowe's Cos., Inc., 3.75%, 4/1/32     249,355
  Total Retail   $1,749,938
  Semiconductors — 0.3%  
391,000 Broadcom, Inc., 3.187%, 11/15/36 (144A) $    299,816
125,000 Broadcom, Inc., 4.15%, 4/15/32 (144A)      112,548
60,000 Broadcom, Inc., 4.30%, 11/15/32       54,656
200,000 Foundry JV Holdco LLC, 5.875%, 1/25/34 (144A)      193,832
292,000 SK Hynix, Inc., 5.50%, 1/16/29 (144A)      286,290
269,000 Skyworks Solutions, Inc., 3.00%, 6/1/31     222,736
  Total Semiconductors   $1,169,878
  Software — 0.1%  
379,000 Autodesk, Inc., 2.40%, 12/15/31 $    306,019
175,000 Infor, Inc., 1.75%, 7/15/25 (144A)     165,732
  Total Software     $471,751
  Telecommunications — 0.2%  
215,000 Motorola Solutions, Inc., 2.30%, 11/15/30 $    176,835
230,000 Motorola Solutions, Inc., 5.60%, 6/1/32      228,758
350,000 T-Mobile USA, Inc., 2.55%, 2/15/31      290,261
170,000 T-Mobile USA, Inc., 5.05%, 7/15/33      162,854
120,000 T-Mobile USA, Inc., 5.75%, 1/15/34     120,853
  Total Telecommunications     $979,561
  Transportation — 0.0%†  
250,000 FedEx Corp., 4.55%, 4/1/46 $    203,407
  Total Transportation     $203,407
21Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Trucking & Leasing — 0.1%  
98,000 Penske Truck Leasing Co. LP/PTL Finance Corp., 4.40%, 7/1/27 (144A) $     94,200
255,000 Penske Truck Leasing Co. LP/PTL Finance Corp., 5.55%, 5/1/28 (144A)      253,354
35,000 Penske Truck Leasing Co. LP/PTL Finance Corp., 6.05%, 8/1/28 (144A)      35,377
  Total Trucking & Leasing     $382,931
  Total Corporate Bonds
(Cost $48,447,454) 		 $45,141,961
  Municipal Bonds — 0.1% of Net Assets(i)  
  Massachusetts — 0.0%†  
100,000 Massachusetts Development Finance Agency, Federally Taxable, Series B, 4.844%, 9/1/43 $     90,202
  Total Massachusetts      $90,202
  Missouri — 0.0%†  
100,000 Health & Educational Facilities Authority of the State of Missouri, Washington University, Series A, 3.685%, 2/15/47 $     77,644
  Total Missouri      $77,644
  Texas — 0.1%  
100,000(j) Central Texas Regional Mobility Authority, 1/1/25 $     97,329
  Total Texas      $97,329
  Total Municipal Bonds
(Cost $296,424) 		    $265,175
Shares            
  Preferred Stock — 0.3% of Net Assets  
  Automobiles — 0.3%  
14,562(k) Porsche AG (144A) $  1,300,745
  Total Automobiles   $1,300,745
  Total Preferred Stock
(Cost $1,177,518) 		  $1,300,745
Pioneer Balanced ESG Fund | 4/30/2422
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Insurance-Linked Securities — 0.8% of Net
Assets# 		 
  Event Linked Bonds — 0.8%  
  Multiperil – U.S. — 0.3%  
250,000(a) Four Lakes Re, 11.13%, (3 Month U.S. Treasury Bill + 575 bps), 1/7/27 (144A) $    253,550
250,000(a) High Point Re, 11.124%, (3 Month U.S. Treasury Bill + 575 bps), 1/6/27 (144A)      251,000
250,000(a) Mystic Re, 17.372%, (3 Month U.S. Treasury Bill + 1,200 bps), 1/8/27 (144A)      254,050
250,000(a) Residential Re, 11.129%, (3 Month U.S. Treasury Bill + 575 bps), 12/6/27 (144A)      248,600
250,000(a) Sanders Re, 11.129%, (3 Month U.S. Treasury Bill + 575 bps), 4/7/28 (144A)     250,625
              $1,257,825
  Multiperil – U.S. & Canada — 0.1%  
250,000(a) Galileo Re, 12.374%, (3 Month U.S. Treasury Bill + 700 bps), 1/7/28 (144A) $    259,850
  Windstorm – Florida — 0.1%  
500,000(a) Everglades Re II, 11.984%, (1 Month U.S. Treasury Bill + 661 bps), 5/14/24 (144A) $    500,000
  Windstorm – North Carolina — 0.1%  
250,000(a) Blue Ridge Re, 10.622%, (3 Month U.S. Treasury Bill + 525 bps), 1/8/27 (144A) $    249,300
  Windstorm – Texas — 0.2%  
1,000,000(a) Alamo Re, 12.56%, (3 Month U.S. Treasury Bill + 718 bps), 6/7/24 (144A) $  1,004,000
  Windstorm – U.S. — 0.0%†  
250,000(a) Bonanza Re, 10.29%, (3 Month U.S. Treasury Bill + 491 bps), 12/23/24 (144A) $    243,300
  Total Event Linked Bonds   $3,514,275
  Total Insurance-Linked Securities
(Cost $3,509,338) 		  $3,514,275
  Foreign Government Bonds — 0.1% of Net
Assets 		 
  Philippines — 0.0%†  
200,000 Philippine Government International Bond, 5.000%, 1/13/37 $    190,085
  Total Philippines     $190,085
23Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  Saudi Arabia — 0.1%  
215,000 Saudi Government International Bond, 5.750%, 1/16/54 (144A) $    200,488
  Total Saudi Arabia     $200,488
  Total Foreign Government Bonds
(Cost $470,520) 		    $390,573
  U.S. Government and Agency Obligations
— 17.6% of Net Assets 		 
1,376,714 Federal Home Loan Mortgage Corp., 1.500%, 3/1/42 $  1,074,101
90,054 Federal Home Loan Mortgage Corp., 2.000%, 3/1/52       68,145
690,504 Federal Home Loan Mortgage Corp., 2.500%, 5/1/51      552,573
178,130 Federal Home Loan Mortgage Corp., 2.500%, 4/1/52      141,355
89,303 Federal Home Loan Mortgage Corp., 3.000%, 12/1/46       75,940
7,558 Federal Home Loan Mortgage Corp., 3.000%, 11/1/47        6,464
45,888 Federal Home Loan Mortgage Corp., 3.000%, 8/1/50       38,805
249,879 Federal Home Loan Mortgage Corp., 3.000%, 9/1/51      206,594
92,600 Federal Home Loan Mortgage Corp., 3.000%, 11/1/51       77,898
494,554 Federal Home Loan Mortgage Corp., 3.000%, 6/1/52      408,786
350,390 Federal Home Loan Mortgage Corp., 3.000%, 6/1/52      289,503
56,012 Federal Home Loan Mortgage Corp., 3.000%, 8/1/52       47,107
80,502 Federal Home Loan Mortgage Corp., 3.500%, 12/1/46       71,562
82,728 Federal Home Loan Mortgage Corp., 3.500%, 3/1/48       73,142
79,752 Federal Home Loan Mortgage Corp., 3.500%, 4/1/52       69,418
234,463 Federal Home Loan Mortgage Corp., 3.500%, 4/1/52      205,081
417,539 Federal Home Loan Mortgage Corp., 4.000%, 10/1/42      383,492
11,604 Federal Home Loan Mortgage Corp., 4.000%, 4/1/47       10,572
13,470 Federal Home Loan Mortgage Corp., 4.500%, 3/1/47       12,754
8,508 Federal Home Loan Mortgage Corp., 5.000%, 5/1/40        8,290
19,182 Federal Home Loan Mortgage Corp., 5.000%, 3/1/44       18,730
6,620 Federal Home Loan Mortgage Corp., 5.500%, 1/1/39        6,591
171,170 Federal Home Loan Mortgage Corp., 5.500%, 7/1/49      168,731
93,949 Federal Home Loan Mortgage Corp., 5.500%, 7/1/53       91,976
3,342 Federal Home Loan Mortgage Corp., 6.000%, 1/1/38        3,383
7,031 Federal Home Loan Mortgage Corp., 6.000%, 10/1/38        7,115
98,870 Federal Home Loan Mortgage Corp., 6.000%, 4/1/53       98,669
219,099 Federal Home Loan Mortgage Corp., 6.000%, 2/1/54      217,149
99,823 Federal Home Loan Mortgage Corp., 6.000%, 2/1/54      101,032
3,273 Federal Home Loan Mortgage Corp., 6.500%, 10/1/33        3,360
26,379 Federal Home Loan Mortgage Corp., 6.500%, 1/1/53       26,692
171,000 Federal Home Loan Mortgage Corp., 6.500%, 2/1/53      177,573
90,873 Federal Home Loan Mortgage Corp., 6.500%, 8/1/53       92,025
297,814 Federal Home Loan Mortgage Corp., 6.500%, 8/1/53      307,016
Pioneer Balanced ESG Fund | 4/30/2424
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
1,415,000 Federal Home Loan Mortgage Corp., 6.500%, 5/1/54 $  1,425,978
1,644,092 Federal National Mortgage Association, 1.500%, 3/1/42   1,284,248
100,000 Federal National Mortgage Association, 2.000%, 5/15/39 (TBA)       86,133
175,893 Federal National Mortgage Association, 2.000%, 3/1/52      133,255
2,900,000 Federal National Mortgage Association, 2.000%, 6/1/54 (TBA)   2,190,999
100,000 Federal National Mortgage Association, 2.500%, 5/15/39 (TBA)       88,530
16,060 Federal National Mortgage Association, 2.500%, 3/1/43       13,201
12,125 Federal National Mortgage Association, 2.500%, 4/1/43        9,966
5,409 Federal National Mortgage Association, 2.500%, 8/1/43        4,446
12,423 Federal National Mortgage Association, 2.500%, 4/1/45       10,180
18,633 Federal National Mortgage Association, 2.500%, 4/1/45       15,267
9,556 Federal National Mortgage Association, 2.500%, 8/1/45        7,830
382,786 Federal National Mortgage Association, 2.500%, 8/1/50      311,280
772,889 Federal National Mortgage Association, 2.500%, 5/1/51      626,806
255,962 Federal National Mortgage Association, 2.500%, 5/1/51      207,736
514,624 Federal National Mortgage Association, 2.500%, 11/1/51      417,330
854,897 Federal National Mortgage Association, 2.500%, 1/1/52      687,284
83,034 Federal National Mortgage Association, 2.500%, 2/1/52       67,007
765,640 Federal National Mortgage Association, 2.500%, 4/1/52      607,317
252,559 Federal National Mortgage Association, 2.500%, 4/1/52      203,863
1,286,524 Federal National Mortgage Association, 2.500%, 4/1/52   1,020,873
1,100,000 Federal National Mortgage Association, 2.500%, 6/1/54 (TBA)      870,849
25,732 Federal National Mortgage Association, 3.000%, 10/1/30       24,238
2,550 Federal National Mortgage Association, 3.000%, 5/1/46        2,170
3,982 Federal National Mortgage Association, 3.000%, 10/1/46        3,389
2,636 Federal National Mortgage Association, 3.000%, 1/1/47        2,243
9,629 Federal National Mortgage Association, 3.000%, 2/1/47        8,279
76,117 Federal National Mortgage Association, 3.000%, 3/1/47       65,402
38,873 Federal National Mortgage Association, 3.000%, 4/1/47       33,207
187,686 Federal National Mortgage Association, 3.000%, 8/1/50      158,356
295,931 Federal National Mortgage Association, 3.000%, 2/1/51      249,411
53,065 Federal National Mortgage Association, 3.000%, 8/1/51       43,887
274,106 Federal National Mortgage Association, 3.000%, 11/1/51      230,138
25Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
262,059 Federal National Mortgage Association, 3.000%, 11/1/51 $    216,651
406,656 Federal National Mortgage Association, 3.000%, 1/1/52      341,805
181,886 Federal National Mortgage Association, 3.000%, 2/1/52      153,217
547,095 Federal National Mortgage Association, 3.000%, 3/1/52      463,551
159,809 Federal National Mortgage Association, 3.000%, 4/1/52      132,068
92,288 Federal National Mortgage Association, 3.000%, 5/1/52       77,616
392,450 Federal National Mortgage Association, 3.000%, 6/1/52      324,420
220,155 Federal National Mortgage Association, 3.000%, 6/1/52      181,940
84,992 Federal National Mortgage Association, 3.000%, 2/1/57       69,870
5,504 Federal National Mortgage Association, 3.500%, 2/1/49        4,848
204,227 Federal National Mortgage Association, 3.500%, 5/1/49      182,283
138,444 Federal National Mortgage Association, 3.500%, 5/1/49      123,448
19,345 Federal National Mortgage Association, 3.500%, 4/1/52       16,693
74,969 Federal National Mortgage Association, 3.500%, 4/1/52       65,099
152,834 Federal National Mortgage Association, 3.500%, 4/1/52      133,680
164,772 Federal National Mortgage Association, 3.500%, 5/1/52      143,439
2,000,000 Federal National Mortgage Association, 3.500%, 5/1/54 (TBA)   1,723,678
67,883 Federal National Mortgage Association, 4.000%, 10/1/40       62,501
292,835 Federal National Mortgage Association, 4.000%, 4/1/44      268,969
141,663 Federal National Mortgage Association, 4.000%, 7/1/51      127,613
32,463 Federal National Mortgage Association, 4.000%, 9/1/51       29,299
500,000 Federal National Mortgage Association, 4.000%, 6/15/54 (TBA)      447,319
92,769 Federal National Mortgage Association, 4.500%, 9/1/43       88,172
163,886 Federal National Mortgage Association, 4.500%, 12/1/43      154,176
59,344 Federal National Mortgage Association, 4.500%, 1/1/44       56,403
900,000 Federal National Mortgage Association, 4.500%, 5/1/54 (TBA)      829,273
40,029 Federal National Mortgage Association, 5.000%, 5/1/31       39,472
100,000 Federal National Mortgage Association, 5.000%, 5/15/39 (TBA)       98,165
272,725 Federal National Mortgage Association, 5.000%, 8/1/52      258,955
94,439 Federal National Mortgage Association, 5.000%, 4/1/53       89,670
300,000 Federal National Mortgage Association, 5.000%, 5/1/54 (TBA)      284,252
1,942 Federal National Mortgage Association, 5.500%, 3/1/34        1,915
Pioneer Balanced ESG Fund | 4/30/2426
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
3,984 Federal National Mortgage Association, 5.500%, 12/1/34 $      3,956
21,526 Federal National Mortgage Association, 5.500%, 10/1/35       21,326
8,466 Federal National Mortgage Association, 5.500%, 12/1/35        8,429
9,939 Federal National Mortgage Association, 5.500%, 12/1/35        9,895
5,633 Federal National Mortgage Association, 5.500%, 5/1/37        5,609
62,071 Federal National Mortgage Association, 5.500%, 5/1/38       61,799
500,000 Federal National Mortgage Association, 5.500%, 5/15/39 (TBA)      497,428
92,540 Federal National Mortgage Association, 5.500%, 4/1/50       91,221
176,001 Federal National Mortgage Association, 5.500%, 4/1/50      173,493
86,769 Federal National Mortgage Association, 5.500%, 4/1/53       84,485
92,019 Federal National Mortgage Association, 5.500%, 4/1/53       89,597
97,238 Federal National Mortgage Association, 5.500%, 7/1/53       95,306
200,000 Federal National Mortgage Association, 5.500%, 6/15/54 (TBA)      194,087
177 Federal National Mortgage Association, 6.000%, 9/1/29          179
625 Federal National Mortgage Association, 6.000%, 8/1/32          633
4,947 Federal National Mortgage Association, 6.000%, 12/1/33        4,936
4,485 Federal National Mortgage Association, 6.000%, 10/1/37        4,543
3,144 Federal National Mortgage Association, 6.000%, 12/1/37        3,179
47,828 Federal National Mortgage Association, 6.000%, 1/1/53       48,283
18,811 Federal National Mortgage Association, 6.000%, 1/1/53       18,831
94,254 Federal National Mortgage Association, 6.000%, 4/1/53       93,612
95,443 Federal National Mortgage Association, 6.000%, 5/1/53       96,316
88,625 Federal National Mortgage Association, 6.000%, 5/1/53       88,524
84,000 Federal National Mortgage Association, 6.000%, 6/1/53       83,942
94,141 Federal National Mortgage Association, 6.000%, 7/1/53       93,988
92,170 Federal National Mortgage Association, 6.000%, 7/1/53       93,253
93,498 Federal National Mortgage Association, 6.000%, 7/1/53       95,150
192,557 Federal National Mortgage Association, 6.000%, 8/1/53      192,314
372,103 Federal National Mortgage Association, 6.000%, 9/1/53      368,997
77,943 Federal National Mortgage Association, 6.000%, 2/1/54       77,249
3,574 Federal National Mortgage Association, 6.500%, 4/1/29        3,577
2,187 Federal National Mortgage Association, 6.500%, 7/1/29        2,250
27Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
5,982 Federal National Mortgage Association, 6.500%, 5/1/32 $      6,079
5,573 Federal National Mortgage Association, 6.500%, 9/1/32        5,616
2,786 Federal National Mortgage Association, 6.500%, 10/1/32        2,807
91,692 Federal National Mortgage Association, 6.500%, 3/1/53       93,435
93,062 Federal National Mortgage Association, 6.500%, 8/1/53       94,136
95,649 Federal National Mortgage Association, 6.500%, 8/1/53       97,442
51,958 Federal National Mortgage Association, 6.500%, 8/1/53       52,541
192,444 Federal National Mortgage Association, 6.500%, 9/1/53      195,757
93,887 Federal National Mortgage Association, 6.500%, 9/1/53       94,989
385,000 Federal National Mortgage Association, 6.500%, 5/1/54      387,968
8,089 Federal National Mortgage Association, 7.000%, 1/1/36        8,257
200,000 Government National Mortgage Association, 2.000%, 5/15/54 (TBA)      157,353
400,000 Government National Mortgage Association, 2.500%, 5/15/54 (TBA)      327,876
400,000 Government National Mortgage Association, 3.000%, 5/15/54 (TBA)      340,235
200,000 Government National Mortgage Association, 3.500%, 5/15/54 (TBA)      176,157
200,000 Government National Mortgage Association, 5.000%, 5/15/54 (TBA)      191,437
100,000 Government National Mortgage Association, 5.500%, 6/15/53 (TBA)       97,876
100,000 Government National Mortgage Association, 5.500%, 5/15/54 (TBA)       98,032
300,000 Government National Mortgage Association, 6.000%, 6/15/54 (TBA)      299,350
400,000 Government National Mortgage Association, 6.500%, 6/15/53 (TBA)      403,991
60,761 Government National Mortgage Association I, 3.500%, 11/15/41       55,106
7,785 Government National Mortgage Association I, 3.500%, 10/15/42        7,030
105,555 Government National Mortgage Association I, 4.000%, 9/15/41       97,389
17,877 Government National Mortgage Association I, 4.000%, 4/15/45       16,476
30,284 Government National Mortgage Association I, 4.000%, 6/15/45       28,064
17,709 Government National Mortgage Association I, 4.500%, 5/15/39       16,917
Pioneer Balanced ESG Fund | 4/30/2428
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
3,873 Government National Mortgage Association I, 5.500%, 8/15/33 $      3,845
7,275 Government National Mortgage Association I, 5.500%, 9/15/33        7,322
4,578 Government National Mortgage Association I, 6.000%, 10/15/33        4,686
7,879 Government National Mortgage Association I, 6.000%, 9/15/34        8,037
20,687 Government National Mortgage Association I, 6.000%, 9/15/38       21,313
971 Government National Mortgage Association I, 6.500%, 10/15/28          984
3,617 Government National Mortgage Association I, 6.500%, 5/15/31        3,681
4,899 Government National Mortgage Association I, 6.500%, 6/15/32        4,966
6,907 Government National Mortgage Association I, 6.500%, 12/15/32        7,001
10,384 Government National Mortgage Association I, 6.500%, 5/15/33       10,654
88 Government National Mortgage Association I, 7.000%, 8/15/28           89
1,814 Government National Mortgage Association I, 8.000%, 2/15/30        1,806
24,876 Government National Mortgage Association II, 4.500%, 9/20/44       23,880
11,915 Government National Mortgage Association II, 4.500%, 10/20/44       11,409
23,267 Government National Mortgage Association II, 4.500%, 11/20/44       22,279
107,668 Government National Mortgage Association II, 4.500%, 9/20/52      100,373
8,647 Government National Mortgage Association II, 5.500%, 2/20/34        8,756
93,192 Government National Mortgage Association II, 5.500%, 9/20/52       91,481
10,554 Government National Mortgage Association II, 6.500%, 11/20/28       10,702
662 Government National Mortgage Association II, 7.500%, 9/20/29          670
8,000,000(j) U.S. Treasury Bills, 6/4/24   7,960,126
1,982,900 U.S. Treasury Bonds, 3.000%, 2/15/48   1,453,016
7,578,200 U.S. Treasury Bonds, 3.125%, 5/15/48   5,676,841
29Pioneer Balanced ESG Fund | 4/30/24
Principal
Amount
USD ($) 		          Value
  U.S. Government and Agency Obligations —
(continued) 		 
2,720,400 U.S. Treasury Bonds, 4.375%, 8/15/43 $  2,540,599
1,226,676 U.S. Treasury Inflation Indexed Bonds, 1.500%, 2/15/53      993,146
5,039,000 U.S. Treasury Notes, 1.125%, 2/15/31   4,014,075
2,500,000 U.S. Treasury Notes, 1.500%, 2/15/30   2,096,387
2,090,000 U.S. Treasury Notes, 2.875%, 5/15/32   1,836,424
353,000 U.S. Treasury Notes, 3.375%, 5/15/33      319,024
2,830,000 U.S. Treasury Notes, 3.500%, 2/15/33   2,588,013
1,800,000 U.S. Treasury Notes, 3.875%, 8/15/33   1,689,750
1,130,000 U.S. Treasury Notes, 4.250%, 2/28/29   1,106,959
3,000,000 U.S. Treasury Notes, 4.625%, 9/30/28   2,983,008
8,034,600 U.S. Treasury Notes, 4.625%, 9/30/30   7,994,113
  Total U.S. Government and Agency Obligations
(Cost $78,168,371) 		 $73,097,300
Shares            
  SHORT TERM INVESTMENTS — 0.3% of Net Assets  
  Open-End Fund — 0.3%  
1,327,834(l) Dreyfus Government Cash Management,
Institutional Shares, 5.19% 		$  1,327,834
              $1,327,834
  TOTAL SHORT TERM INVESTMENTS
(Cost $1,327,834) 		  $1,327,834
  TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS — 101.6%
(Cost $333,142,357) 		$421,459,893
Pioneer Balanced ESG Fund | 4/30/2430
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Shares   Net
Realized
Gain (Loss)
for the period
ended
4/30/24 		Change in
Unrealized
Appreciation
(Depreciation)
for the period
ended
4/30/24 		Capital
Gain
Distributions
for the period
ended
4/30/24 		Dividend
Income
for the period
ended
4/30/24 		Value
  Affiliated Issuer — 0.3%  
  Closed-End Fund — 0.3% of Net Assets  
130,805(m) Pioneer ILS Interval Fund $— $24,723 $— $126,210 $  1,174,631
  Total Investments in Affiliated Issuer — 0.3%
(Cost $1,292,999) 		  $1,174,631
Principal
Amount
USD ($) 		           
  TBA Sales Commitments — (0.1)% of Net
Assets 		 
  U.S. Government and Agency Obligations —
(0.1)% 		 
(500,000) Federal National Mortgage Association, 3.000%, 5/1/54 (TBA) $   (412,794)
(100,000) Federal National Mortgage Association, 6.000%, 5/1/54 (TBA)     (99,070)
  TOTAL TBA SALES COMMITMENTS
(Proceeds $519,561) 		   $(511,864)
  OTHER ASSETS AND LIABILITIES — (1.8)%  $(7,553,485)
  net assets — 100.0% $414,569,175
             
(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.
31Pioneer Balanced ESG Fund | 4/30/24
(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 April 30, 2024, the value of these securities amounted to $48,698,466, or 11.7% of net assets.
(a) Floating rate note. Coupon rate, reference index and spread shown at April 30, 2024.
(b) This term loan will settle after April 30, 2024, at which time the interest rate will be determined.
(c) Non-income producing security.
(d) Securities purchased on a when-issued basis. Rates do not take effect until settlement date.
(e) The interest rate is subject to change periodically. The interest rate and/or reference index and spread shown at April 30, 2024.
(f) Security represents the interest-only portion payments on a pool of underlying mortgages or mortgage-backed securities.
(g) Security is perpetual in nature and has no stated maturity date.
(h) Debt obligation initially issued at one coupon which converts to a higher coupon at a specific date. The rate shown is the rate at April 30, 2024.
(i) Consists of Revenue Bonds unless otherwise indicated.
(j) Security issued with a zero coupon. Income is recognized through accretion of discount.
(k) Issued as preference shares.
(l) Rate periodically changes. Rate disclosed is the 7-day yield at April 30, 2024.
(m) 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 April 30, 2024.
† Amount rounds to less than 0.1%.
# Securities are restricted as to resale.
Restricted Securities Acquisition date Cost Value
Alamo Re 11/15/2023 $1,007,500 $1,004,000
Blue Ridge Re 11/14/2023 250,000 249,300
Bonanza Re 12/15/2020 250,000 243,300
Everglades Re II 10/27/2023 501,838 500,000
Four Lakes Re 12/8/2023 250,000 253,550
Galileo Re 12/4/2023 250,000 259,850
High Point Re 12/1/2023 250,000 251,000
Mystic Re 12/12/2023 250,000 254,050
Pioneer Balanced ESG Fund | 4/30/2432
Schedule of Investments  |  4/30/24
(unaudited) (continued)
Restricted Securities Acquisition date Cost Value
Residential Re 11/7/2023 $250,000 $248,600
Sanders Re 1/16/2024 250,000 250,625
Total Restricted Securities     $3,514,275
% of Net assets     0.8%
FUTURES CONTRACTS
FIXED INCOME INDEX FUTURES CONTRACTS
Number of
Contracts
Long 		Description Expiration
Date 		Notional
Amount 		Market
Value 		Unrealized
(Depreciation)
47 U.S. 2 Year Note (CBT) 6/28/24 $9,619,325 $9,524,844 $(94,481)
306 U.S. 5 Year Note (CBT) 6/28/24 32,669,538 32,051,110 (618,428)
31 U.S. 10 Year Note (CBT) 6/18/24 3,398,182 3,330,563 (67,619)
1 U.S. Ultra Bond (CBT) 6/18/24 127,190 119,562 (7,628)
      $45,814,235 $45,026,079 $(788,156)
Number of
Contracts
Short 		Description Expiration
Date 		Notional
Amount 		Market
Value 		Unrealized
Appreciation
8 U.S. 10 Year Ultra Bond (CBT) 6/18/24 $(888,183) $(881,750) $6,433
4 U.S. Long Bond (CBT) 6/18/24 (476,158) (455,250) 20,908
      $(1,364,341) $(1,337,000) $27,341
TOTAL FUTURES CONTRACTS $44,449,894 $43,689,079 $(760,815)
Principal amounts are denominated in U.S. dollars (“USD”) unless otherwise noted.
33Pioneer Balanced ESG Fund | 4/30/24
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 April 30, 2024 in valuing the Fund’s investments:
  Level 1 Level 2 Level 3 Total
Senior Secured Floating Rate Loan Interests $— $471,885 $— $471,885
Common Stocks 263,354,699 — — 263,354,699
Asset Backed Securities — 9,528,024 — 9,528,024
Collateralized Mortgage Obligations — 10,056,982 — 10,056,982
Commercial Mortgage-Backed Securities — 5,720,637 — 5,720,637
Convertible Corporate Bonds — 7,289,803 — 7,289,803
Corporate Bonds — 45,141,961 — 45,141,961
Municipal Bonds — 265,175 — 265,175
Preferred Stock 1,300,745 — — 1,300,745
Insurance-Linked Securities        
Event Linked Bonds — 3,514,275 — 3,514,275
Foreign Government Bonds — 390,573 — 390,573
U.S. Government and Agency Obligations — 73,097,300 — 73,097,300
Open-End Fund 1,327,834 — — 1,327,834
Affiliated Closed-End Fund 1,174,631 — — 1,174,631
Total Investments in Securities $267,157,909 $155,476,615 $— $422,634,524
Liabilities        
TBA Sales Commitments $— $(511,864) $— $(511,864)
Total Liabilities $— $(511,864) $— $(511,864)
Other Financial Instruments        
Net unrealized depreciation on futures contracts $(760,815) $— $— $(760,815)
Total Other Financial Instruments $(760,815) $— $— $(760,815)
During the period ended April 30, 2024, there were no transfers in or out of Level 3.
Pioneer Balanced ESG Fund | 4/30/2434