Pioneer Long/Short Bond Fund

Top 10 Portfolio Holdings as of 12/31/2015
Default: sorted by market value

Security Name Par / Shares Market Value
ACAFP FLT% 31Dec49 144A PERPETUAL 515,000 $507,003
BAC FLT% 23Oct49 515,000 $549,004
BAMLL FLT% 17Dec29 14-INLD-F 185,000 $170,757
BBDBCN 7.5% 15Mar18 144A 505,000 $503,527
BSCMS 5.273% 11Dec38 06-PW14-AJ 100,000 $99,942
CAELUS FLT% 07Apr20 144A 250,000 $260,202
CDS: (CDX.NA.HY.21 35-100%) USD 20Dec18 BUY BNR0VHK30 -765,000 $-110,876
CDS: (CDX.NA.IG.19 0-3%) USD 20Dec17 BUY BNR1B3MW5 645,000 $-63,514
CDS: (CDX.NA.IG.19 0-3%) USD 20Dec17 BUY BNR22UT55 400,000 $-44,389
CDS: (ITRAXX.EUR.21 3-6%) EUR 20Jun19 BNR13XH46 1,250,000 $-41,612
CDX.NA.HY.25.V1 5Y RTR @ 01/20/2016 Fixed 20 Jan 2016 USD 103.5% (SWP 28 Oct 2015 Right to rece) 10,563,000 $2,429
CFCRE FLT% 15Jul30 15-RUM-E 240,000 $239,706
C FLT% 31Dec49 PERPETUAL 515,000 $517,466
CFREE14-CARE FLT% 15Nov29 F 115,000 $112,024
CGCMT 3.208% 12Jul47 14-GC23-E 280,000 $180,209
CHK 3.25% 15Mar16 390,000 $377,157
CME: (CDX.NA.HY.17.V9) USD 20Dec16 Z919GM1C1 -1,483,500 $-46,863
CME: (CDX.NA.HY.25.V1) USD 20Dec20 Z91VRER63 -27,537,500 $-317,705
CME: (CDX.NA.IG.25.V1) USD 20Dec20 Z91VREPJ7 -1,463,000 $-8,158
COMM 5.377% 10Dec46 06-C8-AJ 175,000 $174,397
COMM FLT% 10Dec49 07-C9-H 490,000 $451,424
CSFB 5.23% 17Dec40 05-C6-E 175,000 $145,889
CSMC FLT% 15Aug30 15-SAND-F 380,000 $380,996
CWALT FLT% 25Jul35 05-J4-M2 300,000 $273,446
CWCI 5.568% 15Apr47 07-C2-AJF 175,000 $177,396
EBRD 6% 03Mar16 3,700,000 $58,649
FFML FLT% 25Nov32 03-FFC-M1 800,000 $32,540
Fixed EUR 375% (SWP 20 Jan 2016 Right to pay fixed) -9,603,000 $-12,403
FNMDN AGENCY ZERO% 14Jan16 USD 425,000 $424,982
FTR 8.875% 15Sep20 144A 1,285,000 $1,331,474
GAHR FLT% 15Dec34 15-NRF_EFX 110,000 $102,554
GLENLN 1.7% 27May16 144A 1,335,000 $1,323,793
GSMS 4.939% 10Jul39 05-GG4-D 125,000 $120,770
ICE: (ITRAXX.XO.21.V1) EUR 20Jun19 Z91JEDH42 -1,375,000 $-128,881
ICONX 4.229% 26Jan43 12-1A-A 50,000 $37,516
INTNED FLT% 29Dec49 515,000 $510,064
IRWHE FLT% 25Jun28 03-C-M2 500,000 $24,648
JPMCC 3.31488% 27Apr44 14-FRR1-A7 300,000 $288,957
JPMCC 5.129% 15Oct42 05-LDP4-B 315,000 $303,728
JPMCC 5.623% 12May45 06-CB16-AJ 200,000 $192,831
KILREL FLT% 30Apr18 144A 250,000 $249,575
LBUBS FLT% 15Feb41 06-C1-AJ 150,000 $150,347
LBUBS FLT% 15Nov40 05-C7-E 725,000 $751,733
MAR16 MEH6 P @ 1610 104 $25,480
MAR16 MEH6 P @ 1710 -104 $-44,720
MAR16 MEH6 P @ 1810 -104 $-81,640
MAR16 MEH6 P @ 1910 104 $149,240
MLCFC FLT% 12Jul46 06-3-AJ 55,000 $55,160
MS FLT% 31Dec49 PERPETUAL 18,500 $529,100
NCHET FLT% 25Aug34 04-A-AII9 625,000 $35,945
PETBRA 3.875% 27Jan16 1,251,000 $1,266,733
PFP FLT% 14Jul34 15-2-E 320,000 $320,118
RESID FLT% 06Dec16 144A 250,000 $252,256
RIG FLT% 15Dec16 1,280,000 $1,244,757
RMAT 5% 27Jul20 15-1-A2 630,000 $616,217
S 6% 01Dec16 1,265,000 $1,268,953
SCDS: (ABGSM) EUR 20Dec16 BUY BNR1UZPN0 825,000 $-845,099
SCDS: (ABGSM) EUR 31Jan16 BUY BNR1DT828 400,000 $-410,413
SCDS: (ACAFP) EUR 20Dec20 SELL BNR1ZMZJ2 -450,000 $-7,964
SCDS: (AKS) USD 20Dec16 BUY BNR1VUKR6 1,080,000 $-109,189
SCDS: (AKS) USD 20Dec16 BUY BNR20EYA6 310,000 $-31,341
SCDS: (ALLY) USD 20Dec20 BUY BNR1ZPJY0 675,000 $93,901
SCDS: (ALLY) USD 20Dec20 BUY BNR26SPT8 450,000 $62,600
SCDS: (BAC) USD 20Dec20 SELL BNR1ZPE41 -187,500 $-3,004
SCDS: (BAC) USD 20Dec20 SELL BNR1ZR9H4 -202,500 $-3,245
SCDS: (BRAZIL) USD 20Dec20 SELL BNR257FF6 -1,525,000 $248,546
SCDS: (BRAZIL) USD 20Dec20 SELL BNR273DU2 -320,000 $52,154
SCDS: (BTU) USD 20Mar16 BUY BNR1UYJ91 140,000 $-12,965
SCDS: (C) USD 20Dec20 SELL BNR1ZPET6 -187,500 $-2,235
SCDS: (C) USD 20Dec20 SELL BNR1ZR9L5 -202,500 $-2,414
SCDS: (ETP) USD 20Dec20 BUY BNR1ZPKB8 540,000 $-69,314
SCDS: (HOV) USD 20Dec16 BUY BNR1ZR6Z7 545,000 $-20,963
SCDS: (HOV) USD 20Dec16 BUY BNR231U15 280,000 $-7,231
SCDS: (HOV) USD 20Dec16 BUY BNR26WYM4 540,000 $-20,771
SCDS: (IHRT) USD 20Dec16 BUY BNR1UYK32 825,000 $-235,493
SCDS: (IHRT) USD 20Dec16 BUY BNR278V80 235,000 $-67,079
SCDS: (INTNED) EUR 20Dec20 SELL BNR1ZN4H8 -445,000 $-11,530
SCDS: (JCP) USD 20Dec16 BUY BNR22UTB2 525,000 $7,536
SCDS: (MBI) USD 20Dec16 BUY BNR1V0HU9 335,200 $-86,652
SCDS: (MBI) USD 20Dec20 SELL BNR1ZTPB5 -335,200 $145,996
SCDS: (MNI) USD 20Jun16 BUY BNR1KUY93 540,000 $6,460
SCDS: (MS) USD 20Dec20 SELL BNR1ZPEX7 -187,500 $-1,828
SCDS: (MS) USD 20Dec20 SELL BNR1ZTLT0 -165,000 $-1,191
SCDS: (NSINO) EUR 20Mar16 BUY BNR1UZPU4 225,000 $-17,651
SCDS: (NSINO) EUR 20Sep17 SELL BNR1WR839 -1,450,000 $494,601
SCDS: (NSINO) EUR 20Sep20 BUY BNR1WR862 1,450,000 $-1,234,169
SCDS: (SHLD) USD 20Dec16 BUY BNR22UUS3 820,000 $-77,107
SCDS: (SOAF) USD 20Dec20 SELL BNR25AXG7 -850,000 $87,039
SCDS: (SOAF) USD 20Dec20 SELL BNR273DR9 -875,000 $87,387
SCDS: (TCKBCN) USD 20Dec16 BUY BNR26T8Y4 1,325,000 $-35,045
SCDS: (TOY) USD 20Mar16 BUY BNR1UYKF5 485,000 $-7,070
SCDS: (TURKEY) USD 20Dec20 SELL BNR25AVZ7 -850,000 $65,053
SCDS: (TURKEY) USD 20Dec20 SELL BNR273DN8 -825,000 $63,139
SWP: USD 1.818500 07-AUG-2019 USD SELL -442,126 $-7,726
SWP: USD 2.201500 06-MAY-2025 USD SELL -850,473 $-7,152
TAL 4.1% 22Feb39 14-1A-B 100,000 $81,402
TBILL ZERO% 11Feb16 2,630,000 $2,629,634
TBILL ZERO% 28Jan16 1,925,000 $1,924,832
TFRN FLT% 30Apr16 2,535,000 $2,536,695
TFRN FLT% 31Jan17 2,535,000 $2,536,028
TFRN FLT% 31Jul17 2,230,000 $2,227,418
TFRN FLT% 31Oct16 2,535,000 $2,535,644
TFRN FLT% 31Oct17 2,380,000 $2,379,294
TIPS 0.25% 15Jan25 3,101,200 $2,975,152
TIPS 1.375% 15Feb44 1,094,700 $1,142,424
TNOTE FLT% 31Jul16 2,535,000 $2,536,719
TRSWAP: IBOXHY INDEX USD BUY 8,665,000 $-174,201
TRSWAP: IBOXHY INDEX USD BUY 8,665,000 $-160,082
TRSWAP: IBOXHY INDEX USD BUY 4,335,000 $-80,087
TRSWAP: IBOXHY INDEX USD BUY 4,335,000 $-84,864
UST FLT% 31Jan16 WI 2,535,000 $2,536,113
VOLT 4.375% 25Jul45 15-NP11-A2 630,000 $608,760
WBCMT FLT% 15Dec44 05-C22-AJ 250,000 $66,157
WBCMT FLT% 15May46 07-C34-AJ 100,000 $101,345
WFCM 4% 18Nov43 10-C1-E 195,000 $175,032
WFCM FLT% 15Jan27 14-TISH-SCH 200,000 $193,971
WIT FLT% 30Apr17 WI 2,535,000 $2,533,915

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.