NPORT-EX 2 AAPI230AMU093023.htm
Pioneer Floating Rate Fund
Schedule of Investments  |  July 31, 2023
     
A: FLARX C: FLRCX Y: FLYRX
Schedule of Investments  |  7/31/23
(unaudited) 
Principal
Amount
USD ($) 		          Value
  UNAFFILIATED ISSUERS — 98.7%  
  Senior Secured Floating Rate Loan
Interests — 87.1% of Net Assets*(a) 		 
  Advanced Materials — 1.2%  
1,566,003 Gemini HDPE LLC, 2027 Advance, 8.631% (Term SOFR + 300 bps), 12/31/27 $  1,568,939
1,799,474 Groupe Solmax, Inc., Initial Term Loan, 10.253% (Term SOFR + 475 bps), 5/29/28   1,709,219
374,062 Momentive Performance Materials Inc., Initial Term Loan, 9.819% (Term SOFR + 450 bps), 3/29/28     370,322
  Total Advanced Materials   $3,648,480
  Advertising Sales — 0.6%  
1,929,837 Clear Channel Outdoor Holdings, Inc., Term B Loan, 8.933% (Term SOFR + 350 bps), 8/21/26 $  1,873,549
  Total Advertising Sales   $1,873,549
  Advertising Services — 0.5%  
1,473,750 Dotdash Meredith, Inc., Term Loan B, 9.213% (Term SOFR + 400 bps), 12/1/28 $  1,396,378
  Total Advertising Services   $1,396,378
  Aerospace & Defense — 1.9%  
1,286,875 ADS Tactical, Inc., Initial Term Loan, 11.183% (Term SOFR + 575 bps), 3/19/26 $  1,241,834
1,791,000 Propulsion (BC) Newco LLC, Initial Term Loan, 8.992% (Term SOFR + 375 bps), 9/14/29   1,793,910
496,250 Spirit Aerosystems, Inc. (fka Mid-Western Aircraft Systems, Inc and Onex Wind Finance LP.), 2022 Refinancing Term Loan, 9.869% (Term SOFR + 450 bps), 1/15/27      497,739
2,242,222 WP CPP Holdings LLC, First Lien Initial Term Loan, 9.27% (Term SOFR + 375 bps), 4/30/25   2,090,312
  Total Aerospace & Defense   $5,623,795
  Airlines — 0.8%  
736,250 AAdvantage Loyality IP, Ltd. (American Airlines, Inc.), Initial Term Loan, 10.338% (Term SOFR + 475 bps), 4/20/28 $    763,552
1Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Airlines — (continued)  
1,148,400 American Airlines, Inc., Seventh Amendment Extended Term Loan, 8.154% (Term SOFR + 275 bps), 2/15/28 $  1,140,026
400,000 Mileage Plus Holdings LLC (Mileage Plus Intellectual Property Assets, Ltd.), Initial Term Loan, 10.764% (Term SOFR + 525 bps), 6/21/27     417,773
  Total Airlines   $2,321,351
  Airport Development & Maintenance — 0.7%  
1,970,000 Apple Bidco LLC, First Lien Initial Term Loan, 8.183% (Term SOFR + 275 bps), 9/22/28 $  1,957,073
  Total Airport Development & Maintenance   $1,957,073
  Apparel Manufacturers — 0.2%  
673,313 Hanesbrands Inc., Initial Tranche B Term Loan, 9.069% (Term SOFR + 375 bps), 3/8/30 $    673,944
  Total Apparel Manufacturers     $673,944
  Appliances — 0.3%  
893,405 Osmosis Buyer Limited (AI Aqua Merger Sub, Inc.), 2022 Refinancing Term B Loan, 8.944% (Term SOFR + 375 bps), 7/31/28 $    882,795
  Total Appliances     $882,795
  Applications Software — 1.2%  
940,275 Central Parent Inc., First Lien Initial Term Loan, 9.492% (Term SOFR + 425 bps), 7/6/29 $    941,793
735,638 EP Purchaser LLC, First Lien Closing Date Term Loan, 9.003% (Term SOFR + 350 bps), 11/6/28      725,523
1,744,552(b) Loyalty Ventures, Inc., Term B Loan, 13.75% (LIBOR + 650 bps), 11/3/27      218,069
1,719,375 RealPage, Inc., First Lien Initial Term Loan, 8.433% (Term SOFR + 300 bps), 4/24/28   1,692,608
  Total Applications Software   $3,577,993
  Auction House & Art Dealer — 0.5%  
1,470,000 Sotheby's, 2021 Second Refinancing Term Loan, 10.07% (Term SOFR + 450 bps), 1/15/27 $  1,439,987
  Total Auction House & Art Dealer   $1,439,987
  Auto Parts & Equipment — 3.1%  
444,500 Adient US LLC, Term B-1 Loan, 8.683% (Term SOFR + 325 bps), 4/10/28 $    445,658
1,494,500 Autokiniton US Holdings, Inc., Closing Date Term B Loan, 9.933% (Term SOFR + 450 bps), 4/6/28   1,496,368
Pioneer Floating Rate Fund |  | 7/31/232
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Auto Parts & Equipment — (continued)  
4,048,184 First Brands Group LLC, First Lien 2021 Term Loan, 10.881% (Term SOFR + 500 bps), 3/30/27 $  4,017,823
2,045,654 IXS Holdings, Inc., Initial Term Loan, 9.479% (Term SOFR + 425 bps), 3/5/27   1,798,129
1,324,501 TI Group Automotive Systems LLC, Refinancing US Term Loan, 8.683% (Term SOFR + 325 bps), 12/16/26   1,323,398
  Total Auto Parts & Equipment   $9,081,376
  Auto-Truck Trailers — 1.1%  
775,364 American Trailer World Corp., First Lien Initial Term Loan, 9.169% (Term SOFR + 375 bps), 3/3/28 $    725,207
2,715,625 Novae LLC, Tranche B Term Loan, 10.338% (Term SOFR + 500 bps), 12/22/28   2,457,641
  Total Auto-Truck Trailers   $3,182,848
  Beverages — 0.4%  
660,000 Naked Juice LLC, First Lien Initial Term Loan, 8.592% (Term SOFR + 325 bps), 1/24/29 $    624,975
645,254 Pegasus BidCo BV, Initial Dollar Term Loan, 9.336% (Term SOFR + 425 bps), 7/12/29     645,657
  Total Beverages   $1,270,632
  Broadcast Service & Programing — 0.5%  
1,481,250 Univision Communications, Inc., First Lien Initial Term Loan, 8.683% (Term SOFR + 325 bps), 1/31/29 $  1,467,827
  Total Broadcast Service & Programing   $1,467,827
  Building & Construction — 0.3%  
734,208 Service Logic Acquisition, Inc., First Lien Closing Date Initial Term Loan, 9.433% (Term SOFR + 400 bps), 10/29/27 $    731,455
  Total Building & Construction     $731,455
  Building & Construction Products — 0.9%  
1,456,301 Cornerstone Building Brands, Inc., Tranche B Term Loan, 8.572% (Term SOFR + 325 bps), 4/12/28 $  1,413,978
1,336,018 CP Atlas Buyer, Inc., Term B Loan, 9.169% (Term SOFR + 375 bps), 11/23/27   1,270,887
  Total Building & Construction Products   $2,684,865
  Building Production — 1.0%  
985,000 Chariot Buyer LLC., First Lien Initial Term Loan, 8.669% (Term SOFR + 325 bps), 11/3/28 $    972,380
1,246,875 Koppers Inc., Initial Term Loan, 9.16% (Term SOFR + 400 bps), 4/10/30   1,251,551
3Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Building Production — (continued)  
6,187 MI Windows & Doors, LLC, Term B-1 Loan, 8.919% (Term SOFR + 350 bps), 12/18/27 $      6,200
831,296 Vector WP MidCo, Inc. (Vector Canada Acquisition ULC), Initial Term B Loan, 10.42% (Term SOFR + 500 bps), 10/12/28     825,061
  Total Building Production   $3,055,192
  Building-Air & Heating — 0.2%  
500,917 Emerald Borrower LP, Initial Term Loan B, 8.264% (Term SOFR + 300 bps), 5/31/30 $    501,739
  Total Building-Air & Heating     $501,739
  Building-Heavy Construction — 0.3%  
982,500 Osmose Utilities Services, Inc., First Lien Initial Term Loan, 8.683% (Term SOFR + 325 bps), 6/23/28 $    975,336
  Total Building-Heavy Construction     $975,336
  Building-Maintenance & Service — 0.3%  
736,875 ArchKey Holdings, Inc., First Lien Initial Term Loan, 10.788% (Term SOFR + 525 bps), 6/29/28 $    734,726
  Total Building-Maintenance & Service     $734,726
  Cable & Satellite Television — 2.6%  
2,898,786 Altice France S.A., USD TLB-[14] Loan, 10.808% (Term SOFR + 550 bps), 8/15/28 $  2,381,837
804,787 Charter Communications Operating LLC, Term B-2 Loan, 7.116% (Term SOFR + 175 bps), 2/1/27      800,261
758,250 DIRECTV Financing LLC, Closing Date Term Loan, 10.433% (Term SOFR + 500 bps), 8/2/27      754,865
2,957,469 Radiate Holdco LLC, Amendment No. 6 Term Loan B, 8.683% (Term SOFR + 325 bps), 9/25/26   2,499,590
1,045,876 Virgin Media Bristol LLC, N Facility, 7.836% (Term SOFR + 250 bps), 1/31/28   1,020,055
  Total Cable & Satellite Television   $7,456,608
  Casino Hotels — 0.7%  
2,221,875 Century Casinos, Inc., Term B Facility Loan, 11.213% (Term SOFR + 600 bps), 4/2/29 $  2,166,328
  Total Casino Hotels   $2,166,328
  Casino Services — 0.5%  
879,542 Everi Holdings, Inc., Term B Loan, 7.933% (Term SOFR + 250 bps), 8/3/28 $    879,969
Pioneer Floating Rate Fund |  | 7/31/234
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Casino Services — (continued)  
1,526,383(b) Lucky Bucks LLC, Initial Term Loan, 10.933% (LIBOR + 750 bps), 7/30/27 $    486,535
38,098 Lucky Bucks LLC, New Money OpCo DIP Loan, 15.148% (Term SOFR + 1000 bps), 10/8/23      38,098
  Total Casino Services   $1,404,602
  Cellular Telecom — 1.2%  
931,893 CCI Buyer, Inc., First Lien Initial Term Loan, 9.242% (Term SOFR + 400 bps), 12/17/27 $    914,187
1,463,478 Gogo Intermediate Holdings LLC, Initial Term Loan, 9.183% (Term SOFR + 375 bps), 4/30/28   1,465,612
1,349,862 Xplore Inc., First Lien Refinancing Term Loan, 9.433% (Term SOFR + 400 bps), 10/2/28   1,099,610
  Total Cellular Telecom   $3,479,409
  Chemicals-Diversified — 0.6%  
700,000 Ineos US Finance LLC, 2030 Dollar Term Loan, 8.919% (Term SOFR + 350 bps), 2/18/30 $    693,312
312,500 LSF11 A5 Holdco LLC, Fourth Amendment Incremental Term Loan, 9.669% (Term SOFR + 425 bps), 10/15/28      311,016
765,312 LSF11 A5 HoldCo LLC, Term Loan, 8.933% (Term SOFR + 350 bps), 10/15/28     758,138
  Total Chemicals-Diversified   $1,762,466
  Chemicals-Specialty — 1.6%  
349,125 H.B. Fuller Company, Term Loan B, 7.819% (Term SOFR + 250 bps), 2/15/30 $    350,528
450,000 Ineos Quattro Holdings UK Limited, 2030 Tranche B Dollar Term Loan, 9.169% (Term SOFR + 375 bps), 3/14/30      445,781
1,960,000 Mativ Holdings, Inc., Term B Loan, 9.183% (Term SOFR + 375 bps), 4/20/28   1,906,100
600,000 Nouryon Finance B.V., 2023 Term Loan, 9.347% (Term SOFR + 400 bps), 4/3/28      595,500
250,000 Nouryon Finance B.V., Extended Dollar Term Loan, 9.318% (Term SOFR + 400 bps), 4/3/28      247,969
1,072,250 Olympus Water US Holding Corp., Initial Dollar Term Loan, 9.253% (Term SOFR + 375 bps), 11/9/28   1,029,838
  Total Chemicals-Specialty   $4,575,716
  Commercial Services — 1.0%  
985,000 AEA International Holdings (Luxembourg) S.a.r.l., First Lien Initial Term Loan, 9.253% (Term SOFR + 375 bps), 9/7/28 $    985,000
5Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Commercial Services — (continued)  
1,027,272 CoreLogic, Inc. (fka First American Corporation), First Lien Initial Term Loan, 8.933% (Term SOFR + 350 bps), 6/2/28 $    949,156
913,437 Pre-Paid Legal Services, Inc., First Lien Initial Term Loan, 9.183% (Term SOFR + 375 bps), 12/15/28     901,924
  Total Commercial Services   $2,836,080
  Computer Data Security — 0.9%  
2,161,500 Magenta Buyer LLC, First Lien Initial Term Loan, 10.631% (Term SOFR + 500 bps), 7/27/28 $  1,643,821
1,141,665 Precisely Software Incorporated, First Lien Third Amendment Term Loan, 9.863% (Term SOFR + 425 bps), 4/24/28   1,098,852
  Total Computer Data Security   $2,742,673
  Computer Services — 1.2%  
882,000 Ahead DB Holdings LLC, First Lien Term B Loan, 9.092% (Term SOFR + 375 bps), 10/18/27 $    861,604
1,197,170 MAG DS Corp., Initial Term Loan, 10.842% (Term SOFR + 550 bps), 4/1/27   1,101,397
490,047 Maximus, Inc., Tranche B Term Loan, 7.229% (Term SOFR + 200 bps), 5/28/28      490,864
982,500 Sitel Group, Initial Dollar Term Loan, 9.183% (Term SOFR + 375 bps), 8/28/28     974,394
  Total Computer Services   $3,428,259
  Computer Software — 1.4%  
1,382,500 Cornerstone OnDemand, Inc., First Lien Initial Term Loan, 9.253% (Term SOFR + 375 bps), 10/16/28 $  1,284,573
2,708,016 Help/Systems Holdings, Inc., Term Loan, 9.469% (Term SOFR + 400 bps), 11/19/26   2,472,757
707,555 Rackspace Technology Global, Inc., First Lien 2021 Term B Loan, 8.029% (Term SOFR + 275 bps), 2/15/28     315,157
  Total Computer Software   $4,072,487
  Computers-Integrated Systems — 0.4%  
1,079,035 Atlas CC Acquisition Corp., First Lien Term B Loan, 9.775% (Term SOFR + 425 bps), 5/25/28 $    951,462
219,465 Atlas CC Acquisition Corp., First Lien Term C Loan, 9.775% (Term SOFR + 425 bps), 5/25/28     193,518
  Total Computers-Integrated Systems   $1,144,980
Pioneer Floating Rate Fund |  | 7/31/236
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Consulting Services — 0.6%  
1,904,547 Ankura Consulting Group LLC, First Lien Closing Date Term Loan, 9.933% (Term SOFR + 450 bps), 3/17/28 $  1,868,837
  Total Consulting Services   $1,868,837
  Containers-Paper & Plastic — 0.9%  
977,444 Charter Next Generation, Inc., First Lien 2021 Initial Term Loan, 9.183% (Term SOFR + 375 bps), 12/1/27 $    974,145
617,604 Pactiv Evergreen, Inc., Tranche B-2 U.S. Term Loan, 8.683% (Term SOFR + 325 bps), 2/5/26      617,647
969,849 Pregis TopCo LLC, First Lien Initial Term Loan, 9.069% (Term SOFR + 375 bps), 7/31/26     968,257
  Total Containers-Paper & Plastic   $2,560,049
  Diagnostic Equipment — 1.0%  
677,670 Avantor Funding, Inc., 2021 Incremental B-5 Dollar Term Loan, 7.669% (Term SOFR + 225 bps), 11/8/27 $    678,594
2,475,797 Curia Global, Inc., First Lien 2021 Term Loan, 9.169% (Term SOFR + 375 bps), 8/30/26   2,161,680
  Total Diagnostic Equipment   $2,840,274
  Dialysis Centers — 0.4%  
982,500 US Renal Care, Inc., 2021 Incremental Term Loan, 10.92% (LIBOR + 550 bps), 6/26/26 $    496,163
1,443,743 US Renal Care, Inc., Initial Term Loan, 10.433% (LIBOR + 500 bps), 6/26/26     729,090
  Total Dialysis Centers   $1,225,253
  Disposable Medical Products — 0.6%  
1,728,125 Medline Borrower, LP, Initial Dollar Term Loan, 8.683% (Term SOFR + 325 bps), 10/23/28 $  1,712,788
  Total Disposable Medical Products   $1,712,788
  Distribution & Wholesale — 1.3%  
1,382,500 AIP RD Buyer Corp., First Lien Term Loan B, 9.569% (Term SOFR + 425 bps), 12/22/28 $  1,360,899
867,781 Core & Main LP, Tranche B Term Loan, 7.691% (Term SOFR + 250 bps), 7/27/28      866,831
738,018 Patriot Container Corp. (aka Wastequip), First Lien Closing Date Term Loan, 9.169% (Term SOFR + 375 bps), 3/20/25      699,365
276,545 SRS Distribution, Inc., 2021 Refinancing Term Loan, 8.933% (Term SOFR + 350 bps), 6/2/28      273,416
656,250(c) Windsor Holdings III LLC, Dollar Term B Loan, 8/1/30     653,515
  Total Distribution & Wholesale   $3,854,026
7Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  E-Commerce — 0.6%  
1,116 CNT Holdings I Corp., First Lien Initial Term Loan, 8.80% (Term SOFR + 350 bps), 11/8/27 $      1,116
1,234,391 TA TT Buyer LLC, First Lien Initial Term Loan, 10.242% (Term SOFR + 500 bps), 4/2/29   1,201,988
497,500 Uber Technologies, Inc., 2023 Refinancing Term Loan, 8.026% (Term SOFR + 275 bps), 3/3/30     498,549
  Total E-Commerce   $1,701,653
  Electric-Generation — 1.0%  
620,973 Compass Power Generation, L.L.C., Tranche B-2 Term Loan, 9.683% (Term SOFR + 425 bps), 4/14/29 $    620,908
903,185 Eastern Power LLC (Eastern Covert Midco LLC), Term Loan, 9.183% (Term SOFR + 375 bps), 10/2/25      870,257
674,596 Hamilton Projects Acquiror LLC, Term Loan, 9.933% (Term SOFR + 450 bps), 6/17/27      669,452
904,022 Vistra Operations Company LLC (fka Tex Operations Company LLC), 2018 Incremental Term Loan, 7.183% (Term SOFR + 175 bps), 12/31/25     904,176
  Total Electric-Generation   $3,064,793
  Electric-Integrated — 0.4%  
869,947 Constellation Renewables LLC, Loan, 8.025% (Term SOFR + 250 bps), 12/15/27 $    867,024
165,714 Talen Energy Supply, LLC, Initial Term Loan B, 9.59% (Term SOFR + 450 bps), 5/17/30      165,673
134,286 Talen Energy Supply, LLC, Initial Term Loan C, 9.59% (Term SOFR + 450 bps), 5/17/30     134,252
  Total Electric-Integrated   $1,166,949
  Electronic Composition — 1.1%  
699,375 Atkore International, Inc., Initial Term Loan, 7.293% (Term SOFR + 200 bps), 5/26/28 $    701,561
2,073,343 Energy Acquisition LP, First Lien Initial Term Loan, 9.614% (Term SOFR + 425 bps), 6/26/25   1,961,469
664,438 Natel Engineering Co., Inc., Initial Term Loan, 11.682% (Term SOFR + 625 bps), 4/30/26     516,601
  Total Electronic Composition   $3,179,631
  Energy-Alternate Sources — 0.3%  
990,000 TerraForm Power Operating, LLC, Specified Refinancing Term Loan, 7.842% (Term SOFR + 250 bps), 5/21/29 $    984,741
  Total Energy-Alternate Sources     $984,741
Pioneer Floating Rate Fund |  | 7/31/238
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Engines — 0.6%  
200,000 Arcline FM Holdings LLC, Second Lien Term Loan, 13.753% (Term SOFR + 825 bps), 6/25/29 $    191,000
1,629,000(c) LSF12 Badger Bidco, LLC, Term Loan B, 7/25/30   1,598,456
  Total Engines   $1,789,456
  Enterprise Software & Services — 0.7%  
770,386 First Advantage Holdings LLC, First Lien Term B-1 Loan, 8.183% (Term SOFR + 275 bps), 1/31/27 $    770,988
1,002,498 Polaris Newco LLC, First Lien Dollar Term Loan, 9.538% (Term SOFR + 400 bps), 6/2/28      949,162
393,874 Skopima Consilio Parent LLC, First Lien Initial Term Loan, 9.433% (Term SOFR + 400 bps), 5/12/28     384,500
  Total Enterprise Software & Services   $2,104,650
  Finance-Credit Card — 0.9%  
1,805,000 Blackhawk Network Holdings, Inc., First Lien Term Loan, 8.264% (Term SOFR + 300 bps), 6/15/25 $  1,795,412
980,017 FleetCor Technologies Operating Company LLC, Term B-4 Loan, 7.169% (Term SOFR + 175 bps), 4/28/28     975,117
  Total Finance-Credit Card   $2,770,529
  Finance-Investment Banker — 0.6%  
488,750 Citadel Securities LP, 2021 Term Loan, 7.817% (Term SOFR + 250 bps), 2/2/28 $    487,490
488,750(c) Citadel Securities LP, Term Loan B, 7/25/30      486,001
915,280 Hudson River Trading LLC, Term Loan, 8.631% (Term SOFR + 300 bps), 3/20/28     899,263
  Total Finance-Investment Banker   $1,872,754
  Finance-Leasing Company — 1.2%  
1,222,997 Avolon TLB Borrower 1 (US) LLC, Term B-4 Loan, 6.855% (Term SOFR + 150 bps), 2/12/27 $  1,217,552
794,637 Castlelake Aviation One Designated Activity Company, 2023 Incremental Term Loan, 8.004% (Term SOFR + 275 bps), 10/22/27      795,195
1,442,128 Fly Funding II S.a r.l., Replacement Loan, 7.09% (LIBOR + 175 bps), 8/11/25   1,374,889
  Total Finance-Leasing Company   $3,387,636
  Finance-Special Purpose Banks — 0.1%  
407,921 Bank of Industry, Ltd., Facility, 11.511% (Term SOFR + 600 bps), 12/11/23 $    408,940
  Total Finance-Special Purpose Banks     $408,940
9Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Food-Catering — 0.2%  
450,000 Aramark Intermediate HoldCo. Corp., U.S. Term B-6 Loan, 7.933% (Term SOFR + 250 bps), 6/22/30 $    450,094
  Total Food-Catering     $450,094
  Food-Dairy Products — 0.4%  
1,021,125 Chobani LLC., 2020 New Term Loan, 8.933% (Term SOFR + 350 bps), 10/25/27 $  1,022,561
  Total Food-Dairy Products   $1,022,561
  Footwear & Related Apparel — 0.5%  
1,475,000 Crocs, Inc., Term Loan, 8.892% (Term SOFR + 350 bps), 2/20/29 $  1,481,453
  Total Footwear & Related Apparel   $1,481,453
  Gambling (Non-Hotel) — 1.0%  
1,240,625 Flutter Entertainment plc, Third Amendment 2028-B Term Loan, 8.753% (Term SOFR + 325 bps), 7/22/28 $  1,243,899
1,805,509 Light and Wonder International, Inc., Initial Term B Loan, 8.302% (Term SOFR + 300 bps), 4/14/29   1,805,186
  Total Gambling (Non-Hotel)   $3,049,085
  Golf — 0.2%  
698,250 Topgolf Callaway Brands Corp , Intial Term Loan, 8.919% (Term SOFR + 350 bps), 3/15/30 $    698,312
  Total Golf     $698,312
  Hotels & Motels — 1.0%  
2,463,656 Hilton Grand Vacations Borrower LLC, Initial Term Loan, 8.433% (Term SOFR + 300 bps), 8/2/28 $  2,466,294
398,000 Playa Resorts Holding B.V., 2022 Term Loan, 9.472% (Term SOFR + 425 bps), 1/5/29     397,842
  Total Hotels & Motels   $2,864,136
  Independent Power Producer — 0.6%  
684,519 Calpine Construction Finance Company, L.P., Term B Loan, 7.433% (Term SOFR + 200 bps), 1/15/25 $    680,669
1,064,264 EFS Cogen Holdings I LLC, Term B Advance, 9.01% (Term SOFR + 350 bps), 10/1/27   1,053,039
  Total Independent Power Producer   $1,733,708
Pioneer Floating Rate Fund |  | 7/31/2310
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Internet Content — 0.2%  
500,000 MH Sub I, LLC (Micro Holding Corp.), 2023 May Incremental First Lien Term Loan, 9.569% (Term SOFR + 425 bps), 5/3/28 $    482,930
  Total Internet Content     $482,930
  Internet Security — 0.2%  
443,299 Gen Digital Inc., Initial Tranche B Term Loan, 7.419% (Term SOFR + 200 bps), 9/12/29 $    442,191
  Total Internet Security     $442,191
  Investment Companies — 0.2%  
650,000 LSF11 Trinity Bidco, Inc., Initial Term Loan, 9.722% (Term SOFR + 450 bps), 6/14/30 $    644,312
  Total Investment Companies     $644,312
  Investment Management & Advisory Services — 2.2%  
876,008 Allspring Buyer LLC, Initial Term Loan, 8.753% (Term SOFR + 325 bps), 11/1/28 $    873,636
1,000,468 Edelman Financial Engines Center LLC, First Lien 2021 Initial Term Loan, 9.183% (Term SOFR + 375 bps), 4/7/28      988,142
496,250 Focus Financial Partners LLC, Tranche B-5 Term Loan, 8.569% (Term SOFR + 325 bps), 6/30/28      496,002
2,962,380 LHS Borrower LLC, Initial Term Loan, 10.169% (Term SOFR + 475 bps), 2/16/29   2,610,597
1,464,150 Russell Investments US Institutional Holdco, Inc., 2025 Term Loan, 8.919% (Term SOFR + 350 bps), 5/30/25   1,355,384
  Total Investment Management & Advisory Services   $6,323,761
  Lasers-System & Components — 0.4%  
1,145,815 Coherent Corp., Initial Term B Loan, 8.183% (Term SOFR + 275 bps), 7/2/29 $  1,146,961
  Total Lasers-Syst/Components   $1,146,961
  Machinery — 1.5%  
987,500 Eagle Parent Corp., Initial Term Loan, 9.492% (Term SOFR + 425 bps), 4/2/29 $    967,133
1,810,417 East West Manufacturing LLC, Initial Term Loan, 11.119% (Term SOFR + 575 bps), 12/22/28   1,493,594
1,970,000 Engineered Components & Systems LLC, First Lien Initial Term Loan, 11.369% (Term SOFR + 600 bps), 8/2/28   1,933,062
  Total Machinery   $4,393,789
11Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Machinery-Pumps — 0.5%  
1,449,396 Circor International, Inc., Initial Term Loan, 10.919% (Term SOFR + 550 bps), 12/20/28 $  1,456,643
  Total Machinery-Pumps   $1,456,643
  Medical Diagnostic Imaging — 0.6%  
1,716,362 US Radiology Specialists, Inc. (US Outpatient Imaging Services, Inc.), Closing Date Term Loan, 10.669% (Term SOFR + 525 bps), 12/15/27 $  1,647,708
  Total Medical Diagnostic Imaging   $1,647,708
  Medical Information Systems — 2.1%  
1,985,786 athenahealth Group, Inc., Initial Term Loan, 8.805% (Term SOFR + 350 bps), 2/15/29 $  1,932,831
490,000 Azalea TopCo, Inc., First Lien 2021 Term Loan, 9.183% (Term SOFR + 375 bps), 7/24/26      473,463
962,500 Azalea TopCo, Inc., First Lien Initial Term Loan, 8.933% (Term SOFR + 350 bps), 7/24/26      930,817
1,836,809 Gainwell Acquisition Corp., First Lien Term B Loan, 9.342% (Term SOFR + 400 bps), 10/1/27   1,813,275
1,470,000 One Call Corp., First Lien Term B Loan, 11.113% (Term SOFR + 550 bps), 4/22/27   1,124,550
  Total Medical Information Systems   $6,274,936
  Medical Labs & Testing Services — 2.4%  
746,250 Charlotte Buyer, Inc., First Lien Initial Term Loan B, 10.427% (Term SOFR + 525 bps), 2/11/28 $    733,377
954,184(b) Envision Healthcare Corp., 2018 Third Out Term Loan, 9.121% (Term SOFR + 425 bps), 3/31/27        4,155
987,277 eResearchTechnology, Inc., First Lien Initial Term Loan, 9.933% (Term SOFR + 450 bps), 2/4/27      959,950
1,698,938 FC Compassus LLC, Term B-1 Loan, 9.68% (Term SOFR + 425 bps), 12/31/26   1,601,249
689,718 Icon Public Limited Company, Lux Term Loan, 7.753% (Term SOFR + 225 bps), 7/3/28      690,581
1,220,042 Phoenix Guarantor Inc., First Lien Tranche B-3 Term Loan, 8.933% (Term SOFR + 350 bps), 3/5/26   1,213,561
490,000 Sound Inpatient Physicians, Inc., First Lien 2021 Incremental Term Loan, 8.631% (Term SOFR + 300 bps), 6/27/25      274,400
971,867 Sound Inpatient Physicians, Inc., First Lien Initial Term Loan, 8.631% (Term SOFR + 300 bps), 6/27/25      566,113
Pioneer Floating Rate Fund |  | 7/31/2312
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Medical Labs & Testing Services — (continued)  
500,000 Sound Inpatient Physicians, Inc., Second Lien Initial Term Loan, 12.381% (Term SOFR + 675 bps), 6/26/26 $    134,166
977,538 U.S. Anesthesia Partners, Inc., First Lien Initial Term Loan, 9.477% (Term SOFR + 425 bps), 10/1/28     921,177
  Total Medical Labs & Testing Services   $7,098,729
  Medical Products — 0.5%  
1,383,943 NMN Holdings III Corp., First Lien Closing Date Term Loan, 9.183% (Term SOFR + 375 bps), 11/13/25 $  1,273,804
296,693 NMN Holdings III Corp., First Lien Delayed Draw Term Loan, 9.183% (Term SOFR + 375 bps), 11/13/25     273,082
  Total Medical Products   $1,546,886
  Medical-Biomedical & Generation — 0.7%  
1,964,030 ANI Pharmaceuticals, Inc., Initial Term Loan, 11.433% (Term SOFR + 600 bps), 11/19/27 $  1,966,485
  Total Medical-Biomedical & Generation   $1,966,485
  Medical-Drugs — 2.5%  
1,425,000 Bausch Health Cos., Inc., Second Amendment Term Loan, 10.605% (Term SOFR + 525 bps), 2/1/27 $  1,168,500
2,787,173(b) Endo Luxembourg Finance Company I S.a r.l., 2021 Term Loan, 14.50% (LIBOR + 400 bps), 3/27/28   2,078,766
171,844 Icon Public Limited Company, U.S. Term Loan, 7.753% (Term SOFR + 225 bps), 7/3/28      172,058
1,104,032 Jazz Pharmaceuticals Public Limited Company, Initial Dollar Term Loan, 8.933% (Term SOFR + 350 bps), 5/5/28   1,104,262
1,695,000 Organon & Co., Dollar Term Loan, 8.257% (Term SOFR + 300 bps), 6/2/28   1,693,410
1,176,471 Padagis LLC, Term B Loan, 10.28% (Term SOFR + 475 bps), 7/6/28   1,139,706
  Total Medical-Drugs   $7,356,702
  Medical-Generic Drugs — 0.3%  
742,500 Perrigo Company PLC, Initial Term B Loan, 7.669% (Term SOFR + 225 bps), 4/20/29 $    740,644
  Total Medical-Generic Drugs     $740,644
  Medical-Hospitals — 1.6%  
2,468,750 EyeCare Partners LLC, First Lien Amendment No. 1 Term Loan, 9.253% (Term SOFR + 375 bps), 11/15/28 $  1,951,855
1,970,000 Knight Health Holdings LLC, Term B Loan, 10.683% (Term SOFR + 525 bps), 12/23/28      792,925
13Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Medical-Hospitals — (continued)  
1,540,098 LifePoint Health, Inc. (fka Regionalcare Hospital Partners Holdings, Inc.), First Lien Term B Loan, 9.377% (Term SOFR + 375 bps), 11/16/25 $  1,520,076
711,423 Quorum Health Corp., Exit Term Loan, 13.631% (Term SOFR + 825 bps), 4/29/25     444,640
  Total Medical-Hospitals   $4,709,496
  Medical-Outpatient & Home Medicine — 0.3%  
988,282 Medical Solutions Holdings, Inc., First Lien Initial Term Loan, 8.614% (Term SOFR + 325 bps), 11/1/28 $    949,456
  Total Medical-Outpatient & Home Medicine     $949,456
  Medical-Wholesale Drug Distribution — 0.8%  
847,875 CVET Midco 2 LP, First Lien Initial Term Loan, 10.242% (Term SOFR + 500 bps), 10/13/29 $    821,555
1,403,894 Owens & Minor, Inc., Term B-1 Loan, 8.715% (Term SOFR + 375 bps), 3/29/29   1,405,650
  Total Medical-Wholesale Drug Distribution   $2,227,205
  Metal Processors & Fabrication — 0.9%  
1,965,000 Grinding Media, Inc. (Molycop, Ltd.), First Lien Initial Term Loan, 9.53% (Term SOFR + 400 bps), 10/12/28 $  1,930,612
766,887 WireCo WorldGroup, Inc., Initial Term Loan, 9.586% (Term SOFR + 425 bps), 11/13/28     767,007
  Total Metal Processors & Fabrication   $2,697,619
  Metal-Aluminum — 0.5%  
1,512,000(c) Arsenal AIC Parent LLC, Term Loan, 7/26/30 $  1,512,314
  Total Metal-Aluminum   $1,512,314
  Non-hazardous Waste Disposal — 0.4%  
651,565 GFL Environmental Inc., 2023 Refinancing Term Loan, 8.469% (Term SOFR + 300 bps), 5/31/27 $    653,398
506,094 MIP V Waste LLC, Initial Term Loan, 8.683% (Term SOFR + 325 bps), 12/8/28     499,767
  Total Non-hazardous Waste Disposal   $1,153,165
  Office Automation & Equipment — 0.2%  
684,250 Pitney Bowes, Inc., Refinancing Tranche B Term Loan, 9.433% (Term SOFR + 400 bps), 3/17/28 $    636,352
  Total Office Automation & Equipment     $636,352
Pioneer Floating Rate Fund |  | 7/31/2314
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Oil-Field Services — 0.0%†  
99,907 ProFrac Holdings II LLC, Term Loan, 12.78% (Term SOFR + 725 bps), 3/4/25 $    100,282
  Total Oil-Field Services     $100,282
  Pastoral & Agricultural — 0.4%  
1,329,750 Alltech, Inc., Term B Loan, 9.433% (Term SOFR + 400 bps), 10/13/28 $  1,293,182
  Total Pastoral & Agricultural   $1,293,182
  Pharmacy Services — 0.2%  
640,250 Option Care Health, Inc., First Lien 2021 Refinancing Term Loan, 8.183% (Term SOFR + 275 bps), 10/27/28 $    641,130
  Total Pharmacy Services     $641,130
  Physical Practice Management — 0.6%  
2,511,716 Team Health Holdings, Inc., Extended Term Loan, 10.569% (Term SOFR + 525 bps), 3/2/27 $  1,751,922
  Total Physical Practice Management   $1,751,922
  Physical Therapy & Rehabilitation Centers — 1.1%  
845,120 Summit Behavioral Healthcare LLC, First Lien Initial Term Loan, 10.237% (Term SOFR + 475 bps), 11/24/28 $    844,063
2,431,625 Upstream Newco, Inc., First Lien August 2021 Incremental Term Loan, 9.753% (Term SOFR + 425 bps), 11/20/26   2,232,232
  Total Physical Therapy & Rehabilitation Centers   $3,076,295
  Pipelines — 2.2%  
448,875 Brazos Delaware II, LLC, Initial Term Loan, 8.944% (Term SOFR + 375 bps), 2/11/30 $    447,672
199,664 DT Midstream, Inc., Initial Term Loan, 7.433% (Term SOFR + 200 bps), 6/26/28      200,276
486,208 GIP III Stetson I, L.P. (GIP III Stetson II, L.P.), Initial Term Loan, 9.669% (Term SOFR + 425 bps), 7/18/25      486,946
245,625 ITT Holdings LLC, Initial Term Loan, 8.183% (Term SOFR + 275 bps), 7/10/28      245,318
1,309,687 NorthRiver Midstream Finance LP, Initial Term B Loan, 8.758% (Term SOFR + 325 bps), 10/1/25   1,308,986
1,960,651 Oryx Midstream Services Permian Basin LLC, 2023 Incremental Term Loan, 8.505% (Term SOFR + 325 bps), 10/5/28   1,964,756
15Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Pipelines — (continued)  
1,149,620 Traverse Midstream Partners LLC, Advance, 9.216% (Term SOFR + 375 bps), 2/16/28 $  1,147,464
500,000 WhiteWater Whistler Holdings, LLC, Intial Term Loan, 8.492% (Term SOFR + 325 bps), 2/15/30     500,729
  Total Pipelines   $6,302,147
  Professional Sports — 0.4%  
1,250,000 Formula One Management, Ltd. First Lien Facility B Loan, 8.319% (Term SOFR + 300 bps), 1/15/30 $  1,252,790
  Total Professional Sports   $1,252,790
  Property & Casualty Insurance — 1.8%  
1,974,747 Asurion LLC, New B-9 Term Loan, 8.788% (LIBOR + 325 bps), 7/31/27 $  1,892,466
750,000 Asurion LLC, Second Lien New B-4 Term Loan, 10.683% (Term SOFR + 525 bps), 1/20/29      658,660
498,750 Asurion, LLC, New B-11 Term Loan, 9.683% (Term SOFR + 425 bps), 8/19/28      479,579
2,199,232 Sedgwick Claims Management Services, Inc. (Lightning Cayman Merger Sub, Ltd.), 2023 Term Loan, 9.069% (Term SOFR + 375 bps), 2/24/28   2,194,695
  Total Property & Casualty Insurance   $5,225,400
  Protection-Safety — 0.3%  
957,679 Prime Security Services Borrower LLC, First Lien 2021 Refinancing Term B-1 Loan, 7.977% (Term SOFR + 275 bps), 9/23/26 $    957,543
  Total Protection-Safety     $957,543
  Publishing — 1.6%  
638,625 Cengage Learning, Inc., First Lien Term B Loan, 10.323% (Term SOFR + 475 bps), 7/14/26 $    633,077
1,985,000 Houghton Mifflin Harcourt Company, First Lien Term B Loan, 10.669% (Term SOFR + 525 bps), 4/9/29   1,759,206
2,210,625 McGraw-Hill Education, Inc., Initial Term Loan, 9.985% (Term SOFR + 475 bps), 7/28/28   2,149,833
  Total Publishing   $4,542,116
  Publishing-Periodicals — 0.3%  
864,063 MJH Healthcare Holdings LLC, Initial Term B Loan, 8.919% (Term SOFR + 350 bps), 1/28/29 $    858,122
  Total Publishing-Periodicals     $858,122
Pioneer Floating Rate Fund |  | 7/31/2316
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Recreational Centers — 0.5%  
1,487,659 Fitness International LLC, Term B Loan, 8.769% (Term SOFR + 325 bps), 4/18/25 $  1,482,266
  Total Recreational Centers   $1,482,266
  Recycling — 0.6%  
1,766,955 LTR Intermediate Holdings, Inc., Initial Term Loan, 9.933% (Term SOFR + 450 bps), 5/5/28 $  1,607,929
  Total Recycling   $1,607,929
  Rental Auto & Equipment — 0.9%  
691,250 Avis Budget Car Rental LLC, Tranche C Term Loan, 8.919% (Term SOFR + 350 bps), 3/16/29 $    692,438
1,649,191 Hertz Corp., Initial Term B Loan, 8.683% (Term SOFR + 325 bps), 6/30/28   1,651,665
317,152 Hertz Corp., Initial Term C Loan, 8.683% (Term SOFR + 325 bps), 6/30/28     317,628
  Total Rental Auto & Equipment   $2,661,731
  Retail — 4.3%  
977,500 Belron Group SA, Dollar Third Incremental Loan, 7.80% (LIBOR + 243 bps), 4/13/28 $    979,455
753,043 Great Outdoors Group LLC, Term B-2 Loan, 9.183% (Term SOFR + 375 bps), 3/6/28      752,259
500,000 GYP Holdings III Corp., First Lien 2023 Refinancing Term Loan, 8.319% (Term SOFR + 300 bps), 5/12/30      501,563
778,000 Harbor Freight Tools USA, Inc., 2021 Initial Term Loan, 8.183% (Term SOFR + 275 bps), 10/19/27      772,286
896,042 Highline Aftermarket Acquisition LLC, First Lien Initial Term Loan, 9.919% (Term SOFR + 450 bps), 11/9/27      876,627
1,470,000 Michaels Cos, Inc., The Term B Loan, 9.753% (Term SOFR + 425 bps), 4/15/28   1,359,750
1,089,287 Petco Health & Wellness Co., Inc., First Lien Initial Term Loan, 8.753% (Term SOFR + 325 bps), 3/3/28   1,086,972
1,666,000 PetSmart LLC, Initial Term Loan, 9.169% (Term SOFR + 375 bps), 2/11/28   1,667,488
879,750 Pilot Travel Centers LLC, Initial Tranche B Term Loan, 7.419% (Term SOFR + 200 bps), 8/4/28      879,600
940,889 RVR Dealership Holdings LLC, Term Loan, 9.246% (Term SOFR + 375 bps), 2/8/28      886,788
2,140 Staples, Inc., 2019 Refinancing New Term B-2 Loan, 9.799% (LIBOR + 450 bps), 9/12/24        2,118
17Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Retail — (continued)  
912,500 Torrid LLC, Closing Date Term Loan, 11.003% (Term SOFR + 550 bps), 6/14/28 $    777,906
1,970,000 White Cap Supply Holdings LLC, Initial Closing Date Term Loan, 9.069% (Term SOFR + 375 bps), 10/19/27   1,966,082
  Total Retail  $12,508,894
  Rubber & Plastic Products — 0.3%  
992,500 Gates Global LLC, Initial B-4 Dollar Term Loan, 8.819% (Term SOFR + 350 bps), 11/16/29 $    994,530
  Total Rubber & Plastic Products     $994,530
  Schools — 0.6%  
791,875(c) Bach Finance Limited (aka Nord Anglia/Fugue Finance), First Lien Seventh Amendment Dollar Term Loan, 1/31/28 $    793,855
985,000 Lakeshore Learning Materials LLC, First Lien Initial Term Loan, 8.933% (Term SOFR + 350 bps), 9/29/28     984,076
  Total Schools   $1,777,931
  Security Services — 1.7%  
1,953,891 Allied Universal Holdco LLC (f/k/a USAGM Holdco LLC), Initial U.S. Dollar Term Loan, 9.169% (Term SOFR + 375 bps), 5/12/28 $  1,885,505
3,145,713 Garda World Security Corp., Term B-2 Loan, 9.641% (Term SOFR + 425 bps), 10/30/26   3,146,500
  Total Security Services   $5,032,005
  Steel Producers — 0.3%  
239,155 Phoenix Services International LLC, Initial Term Loan, 17.318% (Term SOFR + 1200 bps), 7/29/23 $    228,991
691,586 Phoenix Services International LLC, Roll-Up Loan (DIP), 17.318% (Term SOFR + 1200 bps), 7/29/23      662,194
1,678,841(b) Phoenix Services International LLC, Term B Loan, 9.249% (LIBOR + 0 bps), 3/1/25          —
  Total Steel Producers     $891,185
  Telecom Services — 0.4%  
1,389,500 Patagonia Holdco LLC, Amendment No.1 Term Loan, 10.789% (Term SOFR + 575 bps), 8/1/29 $  1,200,181
  Total Telecom Services   $1,200,181
Pioneer Floating Rate Fund |  | 7/31/2318
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Telecommunication Equipment — 0.6%  
995,000 Ciena Corp., 2023 Incremental Term Loan, 10.00% (Term SOFR + 250 bps), 1/18/30 $    998,938
888,215 Commscope, Inc., Initial Term Loan, 8.683% (Term SOFR + 325 bps), 4/6/26     829,767
  Total Telecommunication Equipment   $1,828,705
  Telephone-Integrated — 0.6%  
1,904,704 Level 3 Financing, Inc., Tranche B 2027 Term Loan, 7.183% (Term SOFR + 175 bps), 3/1/27 $  1,797,223
  Total Telephone-Integrated   $1,797,223
  Textile-Home Furnishings — 0.5%  
1,975,000 Runner Buyer, Inc., Initial Term Loan, 9.319% (Term SOFR + 400 bps), 10/20/28 $  1,508,406
  Total Textile-Home Furnishings   $1,508,406
  Theaters — 0.9%  
1,469,354 AMC Entertainment Holdings, Inc. (fka AMC Entertainment, Inc.), Term B-1 Loan, 8.202% (Term SOFR + 300 bps), 4/22/26 $  1,150,504
997,500 Cinemark USA, Inc., Term Loan, 9.067% (Term SOFR + 375 bps), 5/24/30      997,084
399,000 Cirque du Soleil Canada Inc., Initial Term Loan, 9.492% (Term SOFR + 425 bps), 3/8/30     397,504
  Total Theaters   $2,545,092
  Transport-Air Freight — 0.2%  
648,375 Rand Parent LLC, First Lien Term B Loan, 9.492% (Term SOFR + 425 bps), 3/17/30 $    624,601
  Total Transport-Air Freight     $624,601
  Transportation Services — 1.8%  
2,505,375 AIT Worldwide Logistics Holdings, Inc., First Lien Initial Term Loan, 10.029% (Term SOFR + 475 bps), 4/6/28 $  2,464,663
1,618,385 First Student Bidco, Inc., Initial Term B Loan, 8.529% (Term SOFR + 300 bps), 7/21/28   1,580,707
606,618 First Student Bidco, Inc., Initial Term C Loan, 8.501% (Term SOFR + 300 bps), 7/21/28      592,495
638,625 LaserShip, Inc., First Lien Initial Term Loan, 10.131% (Term SOFR + 450 bps), 5/7/28     550,415
  Total Transportation Services   $5,188,280
19Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Transport-Rail — 0.2%  
483,750 Genesee & Wyoming, Inc., Initial Term Loan, 7.342% (Term SOFR + 200 bps), 12/30/26 $    483,944
  Total Transport-Rail     $483,944
  Veterinary Diagnostics — 0.5%  
902,785 Elanco Animal Health Inc., Term Loan, 6.963% (Term SOFR + 175 bps), 8/1/27 $    890,731
489,950 Southern Veterinary Partners LLC, First Lien Initial Term Loan, 9.433% (Term SOFR + 400 bps), 10/5/27     484,744
  Total Veterinary Diagnostics   $1,375,475
  Total Senior Secured Floating Rate Loan Interests
(Cost $272,979,966) 		$254,860,848
Shares            
  Common Stock — 0.2% of Net Assets  
  Passenger Airlines — 0.2%  
33,954(d)+ Grupo Aeromexico SAB de CV $    456,235
  Total Passenger Airlines     $456,235
  Total Common Stock
(Cost $555,000) 		    $456,235
Principal
Amount
USD ($) 		           
  Asset Backed Securities — 1.2% of Net
Assets 		 
1,000,000(a) 522 Funding CLO, Ltd., Series 2019-5A, Class ER, 12.068% (3 Month Term SOFR + 676 bps), 4/15/35 (144A) $    880,284
1,000,000(a) AB BSL CLO 1, Ltd., Series 2020-1A, Class ER, 12.168% (3 Month Term SOFR + 686 bps), 1/15/35 (144A)      870,052
1,000,000(a) AGL CLO 17, Ltd., Series 2022-17A, Class E, 11.684% (3 Month Term SOFR + 635 bps), 1/21/35 (144A)      931,708
1,000,000(a) Crown Point CLO 11, Ltd., Series 2021-11A, Class E, 12.38% (3 Month Term SOFR + 707 bps), 1/17/34 (144A)     917,972
  Total Asset Backed Securities
(Cost $3,962,720) 		  $3,600,016
Pioneer Floating Rate Fund |  | 7/31/2320
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Commercial Mortgage-Backed
Securities—0.3% of Net Assets 		 
535,570(a) BX Trust, Series 2022-PSB, Class F, 12.555% (1 Month Term SOFR + 733 bps), 8/15/39 (144A) $    536,301
94,827(a) FREMF Mortgage Trust, Series 2020-KF74, Class C, 11.468% (1 Month USD LIBOR + 625 bps), 1/25/27 (144A)       90,874
114,725(a) FREMF Mortgage Trust, Series 2020-KF83, Class C, 14.218% (1 Month USD LIBOR + 900 bps), 7/25/30 (144A)     107,228
  Total Commercial Mortgage-Backed Securities
(Cost $747,642) 		    $734,403
  Corporate Bonds — 4.0% of Net Assets  
  Advertising — 0.1%  
265,000 Clear Channel Outdoor Holdings, Inc., 7.50%, 6/1/29 (144A) $    210,943
  Total Advertising     $210,943
  Airlines — 0.8%  
160,000 Allegiant Travel Co., 7.25%, 8/15/27 (144A) $    157,847
2,590,000 Grupo Aeromexico SAB de CV, 8.50%, 3/17/27 (144A)   2,346,255
  Total Airlines   $2,504,102
  Auto Parts & Equipment — 0.1%  
250,000 Adient Global Holdings, Ltd., 7.00%, 4/15/28 (144A) $    251,798
  Total Auto Parts & Equipment     $251,798
  Chemicals — 0.4%  
250,000 Element Solutions, Inc., 3.875%, 9/1/28 (144A) $    220,941
500,000 Olin Corp., 5.625%, 8/1/29      484,063
376,000 Rain CII Carbon LLC/CII Carbon Corp., 7.25%, 4/1/25 (144A)     374,120
  Total Chemicals   $1,079,124
  Commercial Services — 0.1%  
500,000 Allied Universal Holdco LLC/Allied Universal Finance Corp., 9.75%, 7/15/27 (144A) $    458,544
  Total Commercial Services     $458,544
  Distribution/Wholesale — 0.0%†  
110,000 Ritchie Bros Holdings, Inc., 6.75%, 3/15/28 (144A) $    111,375
  Total Distribution/Wholesale     $111,375
21Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Diversified Financial Services — 0.3%  
535,323(e) Avation Capital SA, 8.25% (9.00% PIK or 8.25% Cash), 10/31/26 (144A) $    466,703
440,000 Nationstar Mortgage Holdings, Inc., 5.50%, 8/15/28 (144A)     398,508
  Total Diversified Financial Services     $865,211
  Healthcare-Services — 0.2%  
145,000 Molina Healthcare, Inc., 4.375%, 6/15/28 (144A) $    132,954
490,000 US Acute Care Solutions LLC, 6.375%, 3/1/26 (144A)     428,177
  Total Healthcare-Services     $561,131
  Iron & Steel — 0.6%  
625,000 Carpenter Technology Corp., 6.375%, 7/15/28 $    615,450
960,000 Carpenter Technology Corp., 7.625%, 3/15/30      979,143
260,000 TMS International Corp., 6.25%, 4/15/29 (144A)     217,425
  Total Iron & Steel   $1,812,018
  Leisure Time — 0.2%  
500,000 Viking Cruises, Ltd., 5.875%, 9/15/27 (144A) $    467,545
  Total Leisure Time     $467,545
  Lodging — 0.3%  
1,000,000 Station Casinos LLC, 4.50%, 2/15/28 (144A) $    907,070
  Total Lodging     $907,070
  Retail — 0.2%  
95,000 Bath & Body Works, Inc., 6.625%, 10/1/30 (144A) $     91,806
295,000 Beacon Roofing Supply, Inc., 4.125%, 5/15/29 (144A)      260,588
205,000 Macy's Retail Holdings LLC, 5.875%, 4/1/29 (144A)     190,435
  Total Retail     $542,829
  Telecommunications — 0.7%  
1,000,000 Altice France SA, 5.50%, 10/15/29 (144A) $    710,007
1,584,000 Windstream Escrow LLC/Windstream Escrow Finance Corp., 7.75%, 8/15/28 (144A)   1,334,141
  Total Telecommunications   $2,044,148
  Total Corporate Bonds
(Cost $12,824,030) 		 $11,815,838
Pioneer Floating Rate Fund |  | 7/31/2322
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Shares           Value
  Preferred Stock — 0.0%† of Net Assets  
  Capital Markets — 0.0%†  
1,718 B Riley Financial, Inc., 6.75%, 5/31/24 $     41,850
  Total Capital Markets      $41,850
  Total Preferred Stock
(Cost $42,205) 		     $41,850
  Right/Warrant — 0.0%† of Net Assets  
  Trading Companies & Distributors — 0.0%†  
GBP17,500(d) Avation Plc, 1/1/59 $     11,229
  Total Trading Companies & Distributors      $11,229
  Total Right/Warrant
(Cost $—) 		     $11,229
Principal
Amount
USD ($) 		           
  Insurance-Linked Securities — 1.2% of Net
Assets# 		 
  Event Linked Bonds — 1.1%  
  Flood – U.S. — 0.1%  
250,000(a) FloodSmart Re, 21.659%, (1 Month U.S. Treasury Bill + 1,625 bps), 3/11/26 (144A) $    257,350
  Health – U.S. — 0.1%  
250,000(a) Vitality Re XIII, 7.409%, (3 Month U.S. Treasury Bill + 200 bps), 1/6/26 (144A) $    244,775
250,000(a) Vitality Re XIV, 8.909%, (3 Month U.S. Treasury Bill + 350 bps), 1/5/27 (144A)     255,800
                $500,575
  Multiperil – U.S. — 0.4%  
250,000(a) Matterhorn Re, 10.50%, (SOFR + 525 bps), 3/24/25 (144A) $    237,175
250,000(a) Matterhorn Re, 13.00%, (SOFR + 775 bps), 3/24/25 (144A)      239,275
250,000(a) Residential Re, 10.589%, (3 Month U.S. Treasury Bill + 518 bps), 12/6/25 (144A)      238,750
250,000(a) Sanders Re II, 8.436%, (3 Month U.S. Treasury Bill + 305 bps), 4/7/25 (144A)      237,150
250,000(a) Sanders Re III, 8.909%, (3 Month U.S. Treasury Bill + 350 bps), 4/7/26 (144A)     233,575
              $1,185,925
23Pioneer Floating Rate Fund |  | 7/31/23
Principal
Amount
USD ($) 		          Value
  Multiperil – U.S. & Canada — 0.1%  
250,000(a) Vista Re, 11.769%, (3 Month U.S. Treasury Bill + 636 bps), 5/21/24 (144A) $    244,925
  Multiperil – U.S. Regional — 0.1%  
250,000(a) Long Point Re IV, 9.659%, (3 Month U.S. Treasury Bill + 425 bps), 6/1/26 (144A) $    248,000
  Windstorm – Florida — 0.1%  
250,000(a) Integrity Re, 12.409%, (3 Month U.S. Treasury Bill + 700 bps), 6/6/25 (144A) $    225,000
  Windstorm – North Carolina — 0.1%  
250,000(a) Cape Lookout Re, 10.409%, (3 Month U.S. Treasury Bill + 500 bps), 3/28/25 (144A) $    235,700
  Windstorm – U.S. Regional — 0.1%  
250,000(a) Commonwealth Re, 8.909%, (3 Month U.S. Treasury Bill + 350 bps), 7/8/25 (144A) $    250,250
  Total Event Linked Bonds   $3,147,725
Face
Amount
USD ($) 		           
  Collateralized Reinsurance — 0.0%†  
  Windstorm – Florida — 0.0%†  
300,000(d)(f)+ Formby Re 2018, 2/29/24 $      9,607
  Total Collateralized Reinsurance       $9,607
  Reinsurance Sidecars — 0.1%  
  Multiperil – U.S. — 0.0%†  
400,000(d)(g)+ Harambee Re 2018, 12/31/24 $         —
400,000(d)(g)+ Harambee Re 2019, 12/31/24         720
                    $720
  Multiperil – Worldwide — 0.1%  
19,715(d)(g)+ Alturas Re 2022-2, 12/31/27 $      5,700
739,764(d)(f)+ Berwick Re 2019-1, 12/31/24      117,992
50,000(d)(f)+ Eden Re II, 3/22/24 (144A)       18,350
400,000(f)+ Merion Re 2018-2, 12/31/24       27,994
10,000(f)+ Sector Re V, 12/1/24 (144A)       17,214
Pioneer Floating Rate Fund |  | 7/31/2324
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Face
Amount
USD ($) 		          Value
  Multiperil – Worldwide — (continued)  
253,645(d)(f)+ Woburn Re 2018, 12/31/24 $      5,031
74,914(d)(f)+ Woburn Re 2019, 12/31/24      12,966
                $205,247
  Total Reinsurance Sidecars     $205,967
  Total Insurance-Linked Securities
(Cost $3,472,363) 		  $3,363,299
Shares            
  Investment Companies — 3.9% of Net Assets  
400,000 Invesco Senior Loan ETF $  8,400,000
75,000 SPDR Blackstone Senior Loan ETF   3,145,500
  Total Investment Companies
(Cost $11,439,011) 		 $11,545,500
  SHORT TERM INVESTMENTS — 0.8% of Net
Assets 		 
  Open-End Fund — 0.8%  
2,425,917(h) Dreyfus Government Cash Management,
Institutional Shares, 5.14% 		$  2,425,917
              $2,425,917
  TOTAL SHORT TERM INVESTMENTS
(Cost $2,425,917) 		  $2,425,917
  TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS — 98.7%
(Cost $308,448,854) 		$288,855,135
  OTHER ASSETS AND LIABILITIES — 1.3%   $3,844,426
  net assets — 100.0% $292,699,561
             
bps Basis Points.
FREMF Freddie Mac Multifamily Fixed-Rate Mortgage Loans.
LIBOR London Interbank Offered Rate.
SOFR Secured Overnight Financing Rate.
25Pioneer Floating Rate Fund |  | 7/31/23
(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 July 31, 2023, the value of these securities amounted to $17,254,890, or 5.9% of net assets.
(a) Floating rate note. Coupon rate, reference index and spread shown at July 31, 2023.
(b) Security is in default.
(c) This term loan will settle after July 31, 2023, at which time the interest rate will be determined.
(d) Non-income producing security.
(e) Payment-in-kind (PIK) security which may pay interest in the form of additional principal amount.
(f) Issued as participation notes.
(g) Issued as preference shares.
(h) Rate periodically changes. Rate disclosed is the 7-day yield at July 31, 2023.
* 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 July 31, 2023.
† Amount rounds to less than 0.1%.
+ Security is valued using significant unobservable inputs (Level 3).
# Securities are restricted as to resale.
Restricted Securities Acquisition date Cost Value
Alturas Re 2022-2 4/11/2023 $4,174 $5,700
Berwick Re 2019-1 12/31/2018 88,396 117,992
Cape Lookout Re 3/16/2022 250,000 235,700
Commonwealth Re 6/15/2022 250,000 250,250
Eden Re II 12/23/2019 41,319 18,350
FloodSmart Re 2/23/2023 250,000 257,350
Formby Re 2018 7/9/2018 932 9,607
Harambee Re 2018 12/19/2017 8,492 —
Harambee Re 2019 12/20/2018 — 720
Integrity Re 5/9/2022 250,000 225,000
Long Point Re IV 5/13/2022 250,000 248,000
Matterhorn Re 3/10/2022 250,000 237,175
Matterhorn Re 3/10/2022 250,000 239,275
Merion Re 2018-2 12/28/2017 — 27,994
Residential Re 10/28/2021 250,000 238,750
Sanders Re II 11/23/2021 250,000 237,150
Sanders Re III 3/22/2022 250,000 233,575
Sector Re V 1/1/2020 265 17,214
Pioneer Floating Rate Fund |  | 7/31/2326
Schedule of Investments  |  7/31/23
(unaudited) (continued)
Restricted Securities Acquisition date Cost Value
Vista Re 2/24/2022 $251,938 $244,925
Vitality Re XIII 3/6/2023 240,283 244,775
Vitality Re XIV 1/25/2023 250,000 255,800
Woburn Re 2018 3/20/2018 76,185 5,031
Woburn Re 2019 2/14/2019 10,379 12,966
Total Restricted Securities     $3,363,299
% of Net assets     1.2%
FORWARD FOREIGN CURRENCY EXCHANGE CONTRACTS
Currency
Purchased 		In
Exchange for 		Currency
Sold 		Deliver Counterparty Settlement
Date 		Unrealized
(Depreciation)
USD 330,834 MXN 5,760,000 HSBC Bank USA NA 9/29/23 $(9,338)
USD 59,156 MXN 1,030,000 JPMorgan Chase Bank NA 9/29/23 (1,673)
TOTAL FORWARD FOREIGN CURRENCY EXCHANGE CONTRACTS $(11,011)
SWAP CONTRACTS
CENTRALLY CLEARED CREDIT DEFAULT SWAP CONTRACTS – SELL PROTECTION
Notional
Amount ($)(1) 		Reference
Obligation/Index 		Pay/
Receive(2) 		Annual
Fixed Rate 		Expiration
Date 		Premiums
Paid 		Unrealized
Appreciation 		Market
Value
2,000,000 Markit CDX North America High Yield Index Series 40 Receive 5.00% 6/20/28 $17,193 $64,661 $81,854
TOTAL CENTRALLY CLEARED CREDIT DEFAULT
SWAP CONTRACTS – SELL PROTECTION 		$17,193 $64,661 $81,854
TOTAL SWAP CONTRACTS   $17,193 $64,661 $81,854
   
(1) The notional amount is the maximum amount that a seller of credit protection would be obligated to pay upon occurrence of a credit event.
(2) Receives quarterly.
Principal amounts are denominated in U.S. dollars (“USD”) unless otherwise noted.
GBP — Great British Pound
MXN — Mexican Peso
USD — United States Dollar
27Pioneer Floating Rate Fund |  | 7/31/23
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 July 31, 2023, in valuing the Fund's investments:
  Level 1 Level 2 Level 3 Total
Senior Secured Floating Rate Loan Interests $— $254,860,848 $— $254,860,848
Common Stock — — 456,235 456,235
Asset Backed Securities — 3,600,016 — 3,600,016
Commercial Mortgage-Backed Securities — 734,403 — 734,403
Corporate Bonds — 11,815,838 — 11,815,838
Preferred Stock 41,850 — — 41,850
Right/Warrant 11,229 — — 11,229
Insurance-Linked Securities        
Collateralized Reinsurance        
Windstorm – Florida — — 9,607 9,607
Reinsurance Sidecars        
Multiperil – U.S. — — 720 720
Multiperil – Worldwide — — 205,247 205,247
All Other Insurance-Linked Securities — 3,147,725 — 3,147,725
Investment Companies 11,545,500 — — 11,545,500
Open-End Fund 2,425,917 — — 2,425,917
Total Investments in Securities $14,024,496 $274,158,830 $671,809 $288,855,135
Other Financial Instruments        
Net unrealized depreciation on forward foreign currency exchange contracts $— $(11,011) $— $(11,011)
Swap contracts, at value — 81,854 — 81,854
Total Other Financial Instruments $— $70,843 $— $70,843
During the period ended July 31, 2023, there were no transfers in or out of Level 3.
Pioneer Floating Rate Fund |  | 7/31/2328