Pioneer Long/Short Bond Fund

Top 10 Portfolio Holdings as of 5/29/2015
Default: sorted by market value

Security Name Par / Shares Market Value
Alternative Loan Trust 2005-J4, Floating Rate Note, 7/25/35 300,000 $270,437
BAMLL Commercial Mortgage Securities Trust 2014-INLD, Floating Rate Note, 12/17/29 (144A) 185,000 $171,506
Bank of America Corp., Floating Rate Note, 10/23/49 250,000 $266,090
Bayview Commercial Asset Trust 2004-3, Floating Rate Note, 1/25/35 (144A) 300,000 $42,038
Bear Stearns Commercial Mortgage Securities Trust 2006-PWR14, 5.273%, 12/11/38 100,000 $102,050
Caelus Re 2013, Ltd., Floating Rate Note, 4/7/20 (Cat Bond) (144A) 250,000 $255,999
CAM Mortgage Trust 2014-1, 5.5%, 12/15/53 (Step) (144A) 100,000 $22,456
Canadian Treasury Bill, 0.0%, 6/18/15 1,535,000 $1,233,540
Canadian Treasury Bill, 0.0%, 6/4/15 1,255,000 $1,008,752
Canadian Treasury Bill, 0.0%, 7/16/15 1,773,000 $1,424,115
Canadian Treasury Bill, 0.0%, 7/2/15 1,684,000 $1,352,953
Carefree Portfolio Trust 2014-CARE, Floating Rate Note, 11/15/29 (144A) 115,000 $106,796
Cds: (Cdx.Na.Hy.21 35-100%) Usd 20dec18 Buy Bnr0vhk30 -765,000 $-125,708
Cds: (Cdx.Na.Ig.19 0-3%) Usd 20dec17 Buy Bnr1b3mw5 645,000 $-14,412
Cds: (Cdx.Na.Ig.19 0-3%) Usd 20dec17 Buy Bnr1dwk50 400,000 $-8,938
Cds: (Itraxx.Eur.21 3-6%) Eur 20jun19 Bnr13xh46 1,250,000 $-56,614
Cds: (Itraxx.Eur.9 0-3%) Eur 20jun15 Buy Bnr0vmf01 375,000 $4,451
Cdx.Na.Hy.23.V2 103.00 06/17/2015 Put Fixed 17 Jun 2015 103% (Swp 04 Mar 2015 Right To Pay Fixed) -5,270,000 $-708
Cdx.Na.Hy.23.V2 105.00 06/17/2015 Put Fixed 17 Jun 2015 105% (Swp 04 Mar 2015 Right To Pay Fixed) 2,635,000 $1,483
Citigroup, Inc., Floating Rate Note (Perpetual) 250,000 $254,031
Cme: (Cdx.Na.Hy.17.V8) Usd 20dec16 Z919gm1c1 -1,499,625 $-93,079
Cme: (Cdx.Na.Hy.24.V1) Usd 20jun20 Z91r5q076 -400,000 $-32,375
Cme: (Cdx.Na.Ig.23.V1) Usd 20dec19 Z91mv4jb8 -3,185,000 $-57,427
Cme: (Cdx.Na.Ig.24.V1) Usd 20jun20 Z91qxs9p4 -150,000 $-2,917
COBALT CMBS Commercial Mortgage Trust 2007-C2, Floating Rate Note, 4/15/47 175,000 $180,319
COMM 2006-C8 Mortgage Trust, 5.377%, 12/10/46 175,000 $178,496
Connecticut State Health & Educational Facility Authority, Floating Rate Note, 7/1/33 210,000 $210,016
Connecticut State Health & Educational Facility Authority, Floating Rate Note, 7/1/36 560,000 $560,036
Credit Agricole SA, Floating Rate Note (Perpetual) (144A) 250,000 $253,753
Credit Suisse First Boston Mortgage Securities Corp., Floating Rate Note, 12/17/40 175,000 $176,378
CSMC Trust 2014-SURF, Floating Rate Note, 2/15/29 (144A) 175,000 $175,163
European Bank for Reconstruction & Development, 6.0%, 3/3/16 3,700,000 $58,611
First Franklin Mortgage Loan Trust 2003-FFC, Floating Rate Note, 11/25/32 800,000 $38,665
Fixed 06 May 2025 Usd 2.2015% -850,473 $
Fixed 07 Aug 2019 Usd 1.8185% -442,126 $
Fixed 07 Aug 2024 Usd 2.66% -1,664,879 $
Float 06 May 2025 Usd 3m Libor 0 Bps 850,473 $
Float 07 Aug 2019 Usd 3m Libor 0 Bps 442,126 $
Float 07 Aug 2024 Usd 3m Libor 0 Bps 1,664,879 $
GAHR Commercial Mortgage Trust 2015-NRF, Floating Rate Note, 12/15/34 (144A) 110,000 $105,231
GS Mortgage Securities Corp II Series 2005-GG4, Floating Rate Note, 7/10/39 125,000 $123,458
Ice: (Itraxx.Xo.21.V1) Eur 20jun19 Z91jedh42 -1,375,000 $-193,922
Icon Brand Holdings LLC, 4.229%, 1/26/43 (144A) 50,000 $42,408
ING Groep NV, Floating Rate Note (Perpetual) 300,000 $298,688
Irwin Whole Loan Home Equity Trust 2003-C, Floating Rate Note, 6/25/28 500,000 $29,171
Italy Buoni Ordinari del Tesoro BOT, 0.0%, 7/14/15 545,000 $598,655
Italy Buoni Ordinari del Tesoro BOT, 0.0%, 7/31/15 957,000 $1,051,214
JP Morgan Chase Commercial Mortgage Securities Trust 2006-CIBC16, 5.623%, 5/12/45 200,000 $203,538
JP Morgan Mortgage Trust 2014-1 REMICS, Floating Rate Note, 1/25/44 (144A) 1,000,000 $795,018
JP Morgan Mortgage Trust 2014-1 REMICS, Floating Rate Note, 1/25/44 (144A) 1,000,000 $912,466
Jun15 Edm7 C @ 98.125 108 $60,075
Jun15 Edm7 C @ 98.25 -216 $-68,850
Kilimanjaro Re, Ltd., Floating Rate Note, 4/30/18 (Cat Bond) (144A) 250,000 $251,406
LB-UBS Commercial Mortgage Trust 2006-C1, Floating Rate Note, 2/15/41 150,000 $152,176
Massachusetts Health & Educational Facilities Authority, Floating Rate Note, 11/1/49 425,000 $425,025
Mississippi Business Finance Corp., Floating Rate Note, 11/1/35 300,000 $300,029
Mississippi Business Finance Corp., Floating Rate Note, 12/1/30 225,000 $225,022
ML-CFC Commercial Mortgage Trust 2006-3, Floating Rate Note, 7/12/46 55,000 $56,461
Morgan Stanley, Floating Rate Note (Perpetual) 10,000 $282,800
New Century Home Equity Loan Trust, Floating Rate Note, 8/25/34 625,000 $52,349
Nomura Asset Acceptance Corp Alternative Loan Trust Series 2004-AR2, Floating Rate Note, 10/25/34 1,250,000 $1,736
Petrobras Global Finance BV, 3.875%, 1/27/16 675,000 $686,709
Residential Reinsurance 2012, Ltd., Floating Rate Note, 12/6/16 (Cat Bond) (144A) 250,000 $255,919
Scds: (Abgsm) Eur 20dec15 Buy Bnr1dt828 400,000 $-1,427
Scds: (Acafp) Eur 20jun20 Sell Bnr1nexy2 -210,000 $-3,633
Scds: (Ally) Usd 20jun20 Buy Bnr1nd1e3 150,000 $23,875
Scds: (Bac) Usd 20jun20 Sell Bnr1nd4q3 -187,500 $-3,413
Scds: (C) Usd 20jun20 Sell Bnr1nd509 -187,500 $-2,579
Scds: (Cle) Usd 20dec15 Buy Bnr1dt7e3 300,000 $-32,331
Scds: (Do) Usd 20jun20 Buy Bnr1kuye2 500,000 $-33,158
Scds: (Etp) Usd 20jun20 Buy Bnr1kuyv4 500,000 $-10,935
Scds: (Ihrt) Usd 20dec15 Buy Bnr1e3mh5 525,000 $7,146
Scds: (Intned) Eur 20jun20 Sell Bnr1p0k32 -225,000 $-4,136
Scds: (Jcp) Usd 20dec16 Buy Bnr1dy0m1 525,000 $24,234
Scds: (Mbi) Usd 20dec15 Buy Bnr1dwjz6 250,000 $-10,209
Scds: (Mbi) Usd 20dec15 Buy Bnr1j2w65 250,000 $-10,140
Scds: (Mni) Usd 20jun16 Buy Bnr1kuy93 540,000 $7,712
Scds: (Ms) Usd 20jun20 Sell Bnr1nd4j9 -187,500 $-2,345
Scds: (Nbr) Usd 20jun20 Buy Bnr1kuy51 500,000 $-38,367
Scds: (Ne) Usd 20jun20 Buy Bnr1kuxv5 500,000 $-52,880
Scds: (Nsino) Eur 20dec15 Buy Bnr1am735 250,000 $-10,958
Scds: (Nsino) Eur 20dec15 Buy Bnr1dwhz8 250,000 $-10,958
Scds: (Pkd) Usd 20jun20 Buy Bnr1kvr99 250,000 $-13,739
Scds: (Rig) Usd 20jun20 Buy Bnr1kuwc8 250,000 $-49,031
Scds: (Shld) Usd 20dec15 Buy Bnr1dwg14 525,000 $1,567
Scds: (Toy) Usd 20dec15 Buy Bnr1dt7a1 300,000 $-417
Scds: (Wft) Usd 20jun20 Buy Bnr1kuza9 500,000 $-36,093
Scds: (Win) Usd 20jun20 Buy Bnr1nb2r7 400,000 $-7,059
Sep15 Meu5 P @ 1670 52 $13,520
Sep15 Meu5 P @ 1775 -52 $-24,440
Sep15 Meu5 P @ 1880 -52 $-45,500
Sep15 Meu5 P @ 1985 52 $83,460
Sequoia Mortgage Trust 2012-3, Floating Rate Note, 7/25/42 1,250,000 $649,774
Sequoia Mortgage Trust 2013-6, Floating Rate Note, 5/26/43 800,000 $688,054
Sequoia Mortgage Trust 2013-7, Floating Rate Note, 6/25/43 1,000,000 $849,285
Spain Letras del Tesoro, 0.0%, 6/19/15 665,000 $730,474
Swp: Usd 1.818500 07-Aug-2019 Usd Sell -442,126 $-9,102
Swp: Usd 2.201500 06-May-2025 Usd Sell -850,473 $-2,843
Swp: Usd 2.660000 07-Aug-2024 Usd Sell -1,664,879 $-88,846
TAL Advantage V LLC, 4.1%, 2/22/39 100,000 $88,873
The University of Texas System, Floating Rate Note, 8/1/34 100,000 $100,007
U.S. Treasury Bills, 0.0%, 7/2/15 1,000,000 $999,991
U.S. Treasury Floating Rate Note, 0.085000569%, 7/31/16 125,000 $125,047
United Kingdom Treasury Bill, 0.0%, 6/8/15 225,000 $344,059
United Kingdom Treasury Bill, 0.0%, 7/20/15 350,000 $534,828
United States Treasury Floating Rate Note, Floating Rate Note, 1/31/16 50,000 $50,000
United States Treasury Floating Rate Note, Floating Rate Note, 10/31/16 130,000 $129,983
United States Treasury Floating Rate Note, Floating Rate Note, 4/30/16 125,000 $125,024
United States Treasury Floating Rate Note, Floating Rate Note, 4/30/17 1,570,000 $1,570,056
University of Michigan, Floating Rate Note, 12/1/29 210,000 $210,019
Wachovia Bank Commercial Mortgage Trust Series 2005-C22, Floating Rate Note, 12/15/44 250,000 $253,265
Wachovia Bank Commercial Mortgage Trust Series 2007-C34, Floating Rate Note, 5/15/46 100,000 $105,607
Wells Fargo Commercial Mortgage Trust 2014-TISH, Floating Rate Note, 1/15/27 (144A) 200,000 $200,770

The portfolio is actively managed, and current holdings may be different.

For fund descriptions, historical and current performance, standardized returns as of the most recent quarter-end, risk disclosure or a prospectus, please click here.

Please request a free information kit on any Pioneer fund by ordering from this web site or by calling 1-800-225-6292. The kit includes a quarterly fact sheet and a prospectus. You should consider a fund's investment objectives, risks, charges and expenses carefully before investing. The prospectus contains this and other information about each fund and should be read carefully before you invest or send money. To obtain a prospectus directly and for other information on any Pioneer fund please visit our download literature page.