Pioneer Long/Short Bond Fund

Top 10 Portfolio Holdings as of 4/30/2015
Default: sorted by market value

Security Name Par / Shares Market Value
Alternative Loan Trust 2005-J4, Floating Rate Note, 7/25/35 300,000 $270,040
Atlantic Power LP, Term Loan, 2/20/21 0 $0
BAMLL Commercial Mortgage Securities Trust 2014-INLD, Floating Rate Note, 12/17/29 (144A) 185,000 $171,076
Bayview Commercial Asset Trust 2004-3, Floating Rate Note, 1/25/35 (144A) 300,000 $43,101
Bear Stearns Commercial Mortgage Securities Trust 2006-PWR14, 5.273%, 12/11/38 100,000 $102,253
Caelus Re 2013, Ltd., Floating Rate Note, 4/7/20 (Cat Bond) (144A) 250,000 $259,975
CAM Mortgage Trust 2014-1, 5.5%, 12/15/53 (Step) (144A) 100,000 $30,805
Canadian Treasury Bill, 0.0%, 5/21/15 1,773,000 $1,465,064
Canadian Treasury Bill, 0.0%, 5/7/15 1,684,000 $1,391,856
Canadian Treasury Bill, 0.0%, 6/18/15 1,535,000 $1,267,766
Canadian Treasury Bill, 0.0%, 6/4/15 1,255,000 $1,036,782
Carefree Portfolio Trust 2014-CARE, Floating Rate Note, 11/15/29 (144A) 115,000 $106,647
Cds: (Cdx.Na.Hy.21 35-100%) Usd 20dec18 Buy Bnr0vhk30 -765,000 $-125,397
Cds: (Cdx.Na.Ig.19 0-3%) Usd 20dec17 Buy Bnr1b3mw5 645,000 $-29,571
Cds: (Cdx.Na.Ig.19 0-3%) Usd 20dec17 Buy Bnr1dwk50 400,000 $-18,338
Cds: (Itraxx.Eur.21 3-6%) Eur 20jun19 Bnr13xh46 1,250,000 $-50,376
Cds: (Itraxx.Eur.9 0-3%) Eur 20jun15 Buy Bnr0vmf01 375,000 $1,445
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 $-10,978
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 $11,674
CENGAGE LEARNING ACQUISITIONS INC, Term Loan, 3/6/20 0 $0
Cme: (Cdx.Na.Hy.17.V8) Usd 20dec16 Z919gm1c1 -1,499,625 $-87,959
Cme: (Cdx.Na.Ig.23.V1) Usd 20dec19 Z91mv4jb8 -4,750,000 $-82,533
COBALT CMBS Commercial Mortgage Trust 2007-C2, Floating Rate Note, 4/15/47 175,000 $179,612
COMM 2006-C8 Mortgage Trust, 5.377%, 12/10/46 175,000 $179,567
Connecticut State Health & Educational Facility Authority, Floating Rate Note, 7/1/33 210,000 $210,005
Connecticut State Health & Educational Facility Authority, Floating Rate Note, 7/1/36 560,000 $560,020
Credit Suisse First Boston Mortgage Securities Corp., Floating Rate Note, 12/17/40 175,000 $176,473
CSMC Trust 2014-SURF, Floating Rate Note, 2/15/29 (144A) 175,000 $175,533
DynCorp International, Inc., Term Loan, 7/7/16 0 $0
European Bank for Reconstruction & Development, 6.0%, 3/3/16 3,700,000 $58,349
First Franklin Mortgage Loan Trust 2003-FFC, Floating Rate Note, 11/25/32 800,000 $38,790
Fixed 07 Aug 2019 Usd 1.8185% -442,126 $
Fixed 07 Aug 2024 Usd 2.66% -1,664,879 $
Float 07 Aug 2019 Usd 3m Libor 0 Bps 442,126 $
Float 07 Aug 2024 Usd 3m Libor 0 Bps 1,664,879 $
GAHR Commericial Mortgage Trust 2015-NRF, Floating Rate Note, 12/15/19 (144A) 110,000 $105,197
GS Mortgage Securities Corp II Series 2005-GG4, Floating Rate Note, 7/10/39 125,000 $126,465
Ice: (Itraxx.Xo.21.V1) Eur 20jun19 Z91jedh42 -1,375,000 $-203,296
Ice: (Itraxx.Xo.23.V1) Eur 20jun20 Z91qxsak3 -720,000 $-90,278
Icon Brand Holdings LLC, 4.229%, 1/26/43 (144A) 50,000 $42,273
Irwin Whole Loan Home Equity Trust 2003-C, Floating Rate Note, 6/25/28 500,000 $30,716
Italy Buoni Ordinari del Tesoro BOT, 0.0%, 5/14/15 957,000 $1,076,048
Italy Buoni Ordinari del Tesoro BOT, 0.0%, 7/14/15 545,000 $612,781
JP Morgan Chase Commercial Mortgage Securities Trust 2006-CIBC16, 5.623%, 5/12/45 200,000 $204,538
JP Morgan Chase Commercial Mortgage Securities Trust 2013-FL3, Floating Rate Note, 4/17/28 (144A) 100,000 $99,567
JP Morgan Mortgage Trust 2014-1 REMICS, Floating Rate Note, 1/25/44 (144A) 1,000,000 $813,665
JP Morgan Mortgage Trust 2014-1 REMICS, Floating Rate Note, 1/25/44 (144A) 1,000,000 $927,937
Kilimanjaro Re, Ltd., Floating Rate Note, 4/30/18 (Cat Bond) (144A) 250,000 $251,013
LB-UBS Commercial Mortgage Trust 2006-C1, Floating Rate Note, 2/15/41 150,000 $151,924
Massachusetts Health & Educational Facilities Authority, Floating Rate Note, 11/1/49 295,000 $295,009
Mississippi Business Finance Corp., Floating Rate Note, 12/1/30 225,000 $225,009
ML-CFC Commercial Mortgage Trust 2006-3, Floating Rate Note, 7/12/46 55,000 $56,518
Mythen Re, Ltd., Floating Rate Note, 5/7/15 (Cat Bond) (144A) 250,000 $254,760
New Century Home Equity Loan Trust, Floating Rate Note, 8/25/34 625,000 $55,089
Nomura Asset Acceptance Corp Alternative Loan Trust Series 2004-AR2, Floating Rate Note, 10/25/34 1,250,000 $4,835
Outfront Media Capital LLC, Term Loan, 1/15/21 0 $0
Petrobras Global Finance BV, 3.875%, 1/27/16 675,000 $682,923
Residential Reinsurance 2012, Ltd., Floating Rate Note, 12/6/16 (Cat Bond) (144A) 250,000 $256,200
Scds: (Abgsm) Eur 20dec15 Buy Bnr1dt828 400,000 $-1,412
Scds: (Abgsm) Eur 20mar20 Buy Bnr1e6wq7 400,000 $-78,588
Scds: (Apa) Usd 20jun20 Buy Bnr1kuzh4 250,000 $907
Scds: (Cle) Usd 20dec15 Buy Bnr1dt7e3 300,000 $-26,596
Scds: (Cnqcn) Usd 20jun20 Buy Bnr1kuz76 500,000 $3,031
Scds: (Do) Usd 20jun20 Buy Bnr1kuye2 500,000 $-41,896
Scds: (Etp) Usd 20jun20 Buy Bnr1kuyv4 500,000 $-10,399
Scds: (Ihrt) Usd 20dec15 Buy Bnr1e3mh5 525,000 $6,854
Scds: (Jcp) Usd 20dec16 Buy Bnr1dy0m1 525,000 $12,681
Scds: (Mbi) Usd 20dec15 Buy Bnr1dwjz6 250,000 $-11,009
Scds: (Mbi) Usd 20dec15 Buy Bnr1j2w65 250,000 $-10,940
Scds: (Mni) Usd 20jun16 Buy Bnr1kuy93 540,000 $3,505
Scds: (Nbr) Usd 20jun20 Buy Bnr1kuy51 500,000 $-37,251
Scds: (Ne) Usd 20jun20 Buy Bnr1kuxv5 500,000 $-58,857
Scds: (Nsino) Eur 20dec15 Buy Bnr1am735 250,000 $-6,555
Scds: (Nsino) Eur 20dec15 Buy Bnr1dwhz8 250,000 $-6,555
Scds: (Pkd) Usd 20jun20 Buy Bnr1kvr99 250,000 $-16,303
Scds: (Rig) Usd 20jun20 Buy Bnr1kuwc8 250,000 $-59,230
Scds: (Shld) Usd 20dec15 Buy Bnr1dwg14 525,000 $948
Scds: (Toy) Usd 20dec15 Buy Bnr1dt7a1 300,000 $-4,585
Scds: (Wft) Usd 20jun20 Buy Bnr1kuza9 500,000 $-36,182
Scds: (Wmb) Usd 20jun20 Buy Bnr1kuzm3 500,000 $-13,439
Sequoia Mortgage Trust 2012-3, Floating Rate Note, 7/25/42 1,250,000 $671,634
Sequoia Mortgage Trust 2013-6, Floating Rate Note, 5/26/43 800,000 $700,402
Sequoia Mortgage Trust 2013-7, Floating Rate Note, 6/25/43 1,000,000 $857,636
Spain Letras del Tesoro, 0.0%, 5/15/15 665,000 $747,696
Swp: Usd 1.818500 07-Aug-2019 Usd Sell -442,126 $-8,489
Swp: Usd 2.660000 07-Aug-2024 Usd Sell -1,664,879 $-92,118
TAL Advantage V LLC, 4.1%, 2/22/39 100,000 $89,780
The University of Texas System, Floating Rate Note, 8/1/34 100,000 $100,003
U.S. Treasury Bills, 0.0%, 7/2/15 1,000,000 $999,996
U.S. Treasury Floating Rate Note, 0.09500158%, 7/31/16 125,000 $125,031
United Kingdom Treasury Bill, 0.0%, 5/5/15 225,000 $345,285
United Kingdom Treasury Bill, 0.0%, 6/1/15 1,360,000 $2,086,300
United Kingdom Treasury Bill, 0.0%, 7/20/15 350,000 $536,533
United States Treasury Floating Rate Note, Floating Rate Note, 1/31/16 50,000 $50,006
United States Treasury Floating Rate Note, Floating Rate Note, 10/31/16 130,000 $129,991
United States Treasury Floating Rate Note, Floating Rate Note, 4/30/16 125,000 $125,040
Univar, Inc., Term B Loan, 6/30/17 0 $0
University of Michigan, Floating Rate Note, 12/1/29 210,000 $210,007
Wachovia Bank Commercial Mortgage Trust Series 2005-C22, Floating Rate Note, 12/15/44 250,000 $253,632
Wachovia Bank Commercial Mortgage Trust Series 2007-C34, Floating Rate Note, 5/15/46 100,000 $105,773
Wells Fargo Commercial Mortgage Trust 2014-TISH, Floating Rate Note, 1/15/27 (144A) 200,000 $198,173
Wesco Aircraft Hardware Corp., Tranche B Term Loan, 2/24/21 0 $0

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.