Pioneer Long/Short Bond Fund

Top 10 Portfolio Holdings as of 5/31/2016
Default: sorted by market value

Security Name Par / Shares Market Value
Aug16p S&P Emini 3rd Week @ 1640 75 $10,875
Aug16p S&P Emini 3rd Week @ 1740 -75 $-19,500
Aug16p S&P Emini 3rd Week @ 1840 -75 $-36,375
Aug16p S&P Emini 3rd Week @ 1940 75 $70,500
Bank of America Corp., Floating Rate Note (Perpetual) 0 $15,096
Beverage Packaging Holdings Luxembourg II SA, 5.625%, 12/15/16 (144A) 1,305,000 $1,337,217
BNP Paribas SA, Floating Rate Note (Perpetual) (144A) 425,000 $442,800
Caelus Re 2013, Ltd., Floating Rate Note, 4/7/17 (Cat Bond) (144A) 250,000 $256,099
Cds: (Cdx.Na.Hy.21 35-100%) Usd 20dec18 Buy Bnr0vhk30 -765,000 $-104,656
Cds: (Cdx.Na.Ig.19 0-3%) Usd 20dec17 Buy Bnr1b3mw5 645,000 $-20,888
Cds: (Cdx.Na.Ig.19 0-3%) Usd 20dec17 Buy Bnr22ut55 400,000 $-17,954
Cds: (Cdx.Na.Ig.19 0-3%) Usd 20dec17 Buy Bnr2e28w8 335,000 $-10,802
Cds: (Cdx.Na.Ig.9 0-3%) Usd 20dec17 Buy Bnr2e29w7 365,613 $-116,987
Cds: (Cdx.Na.Ig.9 0-3%) Usd 20dec17 Buy Bnr2e2a13 361,804 $-115,769
Cds: (Itraxx.Eur.21 3-6%) Eur 20jun19 Bnr13xh46 1,250,000 $-11,980
Citigroup, Inc., Floating Rate Note (Perpetual) 700,000 $720,506
Cme: (Cdx.Na.Hy.26.V1) Usd 20jun21 Z91zbuad8 -1,320,000 $-48,510
Credit Agricole SA, Floating Rate Note (Perpetual) (144A) 315,000 $300,042
Credit Agricole SA, Floating Rate Note (Perpetual) (144A) 200,000 $210,519
Fixed 06 May 2025 Usd 2.2015% -850,473 $
Float 06 May 2025 Usd 3m Libor 0 Bps 850,473 $
Freeport-McMoRan, Inc., 2.15%, 3/1/17 705,000 $701,739
Ice: (Itraxx.Xo.21.V3) Eur 20jun19 Z91jedh42 -1,329,158 $-153,305
Ice: (Nsino) Eur 20jun19 Z91zbud11 -22,921 $17,592
ING Groep NV, Floating Rate Note, 12/29/49 0 $4,184
JPMorgan Chase & Co., Floating Rate Note, 8/29/49 1,000,000 $1,132,500
JP Morgan Chase Commercial Mortgage Securities Trust 2006-CIBC16, 5.623%, 5/12/45 200,000 $197,439
Jul16p S&P Emini Week 3 @ 1640 75 $3,188
Jul16p S&P Emini Week 3 @ 1740 -75 $-5,625
Jul16p S&P Emini Week 3 @ 1840 -75 $-12,188
Jul16p S&P Emini Week 3 @ 1940 75 $29,250
Jun16 Mem6 P @ 1410 110 $275
Jun16 Mem6 P @ 1510 -110 $-275
Jun16 Mem6 P @ 1610 -110 $-550
Jun16 Mem6 P @ 1710 110 $825
Kilimanjaro Re, Ltd., Floating Rate Note, 4/30/18 (Cat Bond) (144A) 250,000 $251,931
Petrobras Global Finance BV, 3.5%, 2/6/17 720,000 $726,970
Residential Reinsurance 2012, Ltd., Floating Rate Note, 12/6/16 (Cat Bond) (144A) 250,000 $252,013
RMAT 2015-1 LLC, 5.0%, 7/27/20 (Step) (144A) 630,000 $609,179
Scds: (Aks) Usd 20dec16 Buy Bnr1vukr6 1,080,000 $29,947
Scds: (Aks) Usd 20dec16 Buy Bnr20eya6 310,000 $8,596
Scds: (Ally) Usd 20jun21 Buy Bnr2fxus3 190,000 $21,143
Scds: (Ally) Usd 20jun21 Buy Bnr2g3y88 905,000 $100,706
Scds: (Bbdbcn) Usd 20dec16 Buy Bnr2cl6j9 900,000 $24,665
Scds: (Bbdbcn) Usd 20dec16 Buy Bnr2dab72 430,000 $11,784
Scds: (Ftr) Usd 20jun21 Buy Bnr2ftsq9 735,000 $-16,869
Scds: (Ftr) Usd 20jun21 Buy Bnr2fttj4 585,000 $-13,426
Scds: (Hov) Usd 20dec16 Buy Bnr1zr6z7 545,000 $5,866
Scds: (Hov) Usd 20dec16 Buy Bnr231u15 280,000 $6,553
Scds: (Hov) Usd 20dec16 Buy Bnr26wym4 540,000 $5,813
Scds: (Ihrt) Usd 20dec16 Buy Bnr1uyk32 825,000 $-57,977
Scds: (Jcp) Usd 20dec16 Buy Bnr22utb2 525,000 $18,064
Scds: (Mbi) Usd 20dec16 Buy Bnr1v0hu9 335,200 $-6,173
Scds: (Mbi) Usd 20dec20 Sell Bnr1ztpb5 -335,200 $69,574
Scds: (Mni) Usd 20jun16 Buy Bnr1kuy93 540,000 $6,085
Scds: (Nsino) Eur 20sep17 Sell Bnr1wr839 -1,450,000 $298,690
Scds: (Nsino) Eur 20sep20 Buy Bnr1wr862 1,450,000 $-1,166,608
Scds: (Petbra) Usd 20dec16 Buy Bnr2day44 650,000 $-858
Scds: (Shld) Usd 20dec16 Buy Bnr22uus3 820,000 $-59,523
Scds: (Tckbcn) Usd 20dec16 Buy Bnr26t8y4 1,325,000 $38,814
Scds: (Wft) Usd 20dec16 Buy Bnr2db3l8 655,000 $-6,111
Sprint Communications, Inc., 6.0%, 12/1/16 1,265,000 $1,317,181
Swp: Usd 2.201500 06-May-2025 Usd Sell -850,473 $-42,240
Tfrn Flt% 30apr18 2,535,000 $2,535,962
Transocean, Inc., 5.55%, 12/15/16 1,280,000 $1,323,833
U.S. Treasury Bills, 0.0%, 6/16/16 3,550,000 $3,549,780
United States Treasury Floating Rate Note, Floating Rate Note, 1/31/17 2,535,000 $2,536,238
United States Treasury Floating Rate Note, Floating Rate Note, 1/31/18 2,535,000 $2,541,511
United States Treasury Floating Rate Note, Floating Rate Note, 10/31/16 2,535,000 $2,536,204
United States Treasury Floating Rate Note, Floating Rate Note, 10/31/17 2,380,000 $2,383,070
United States Treasury Floating Rate Note, Floating Rate Note, 4/30/17 2,535,000 $2,535,899
United States Treasury Floating Rate Note, Floating Rate Note, 7/31/17 2,230,000 $2,230,344
Williams Partners LP, 7.25%, 2/1/17 835,000 $882,692

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.