Pioneer Equity Opportunity Fund

Top 10 Portfolio Holdings as of 2/28/2013
Default: sorted by market value

Security Name Par / Shares Market Value
ABIOMED INC 17,920 $287,437
ACTAVIS INC 3,100 $263,996
AFFYMAX INC 4,500 $11,970
ALEXANDRIA REAL ESTA 2,190 $155,797
ALLEGIANT TRAVEL CO 5,900 $473,711
ALTRIA GROUP INC 9,200 $308,660
AMARIN CORP PLC 16,900 $136,721
AMERICAN CAMPUS COMM 5,100 $230,520
AMERICAN EXPRESS CO 2,800 $174,020
AMETEK INC 2,595 $108,549
ANALOG DEVICES INC 5,220 $236,048
ANHEUSER-BUSCH INBEV 2,300 $216,177
APPLE INC 700 $308,980
ARIAD PHARMACEUTICAL 2,300 $48,369
ASPEN TECHNOLOGY INC 7,400 $227,624
BRUNSWICK CORP/DE 1,980 $72,151
CABOT OIL & GAS CORP 6,140 $380,496
CELGENE CORP 3,600 $371,448
CHIPOTLE MEXICAN GRI 950 $300,951
CIT GROUP INC 6,300 $263,718
CITRIX SYSTEMS INC 2,300 $163,070
CMS ENERGY CORP 14,570 $387,708
COBALT INTERNATIONAL 5,100 $125,817
CROCS INC 9,200 $139,472
CROWN HOLDINGS INC 7,700 $299,299
DANAHER CORP 4,270 $263,032
DISCOVER FINANCIAL S 6,500 $250,445
EASTMAN CHEMICAL CO 3,600 $251,028
EATON CORP PLC 5,100 $316,047
ECOLAB INC 2,100 $160,755
FIRST CASH FINANCIAL 4,560 $241,270
FOMENTO ECONOMICO ME 5,100 $569,874
FREEPORT-MCMORAN COP 5,500 $175,560
GOOGLE INC 520 $416,624
GREAT LAKES DREDGE & 35,300 $344,175
GREEN MOUNTAIN COFFE 3,200 $152,832
HANESBRANDS INC 10,250 $406,310
HEARTWARE INTERNATIO 1,400 $119,588
HUMANA INC 2,400 $163,824
INGREDION INC 5,300 $350,860
INSULET CORP 11,520 $260,006
JARDEN CORP 4,700 $291,917
JAZZ PHARMACEUTICALS 5,300 $308,354
JOY GLOBAL INC 4,200 $266,028
LEXICON PHARMACEUTIC 45,700 $90,029
LYONDELLBASELL INDUS 3,900 $228,618
MARATHON OIL CORP 10,800 $361,800
MASTERCARD INC 700 $362,474
MCCORMICK & CO INC/M 4,990 $335,677
MERCK & CO INC 4,800 $205,104
MICROSOFT CORP 11,900 $330,820
NATIONAL OILWELL VAR 1,600 $109,008
NPS PHARMACEUTICALS 26,700 $213,066
NUANCE COMMUNICATION 10,680 $196,619
OCCIDENTAL PETROLEUM 1,700 $139,961
OIL STATES INTERNATI 2,400 $182,760
ORACLE CORP 8,500 $291,210
OWENS CORNING 5,500 $213,455
PACCAR INC 3,100 $147,033
PFIZER INC 13,800 $377,706
PHARMACYCLICS INC 1,400 $122,892
PLAINS EXPLORATION & 3,100 $140,647
PPL CORP 6,100 $188,002
SALIX PHARMACEUTICAL 02/18/12 STRIKE 55 5,500 $268,675
SANDISK CORP 5,700 $287,223
SIGNATURE BANK/NEW Y 2,850 $211,670
SPLUNK INC 4,136 $149,434
SPX CORP 2,820 $227,038
STARBUCKS CORP 5,140 $281,775
SYNTA PHARMACEUTICAL 17,900 $153,761
TRUE RELIGION APPARE 5,200 $138,788
VERIZON COMMUNICATIO 3,200 $148,896
VERTEX PHARMACEUTICA 3,700 $173,234
VISA INC 1,900 $301,416
WALTER INVESTMENT MA 4,500 $206,640
WHITING PETROLEUM CO 2,900 $141,230
WHOLE FOODS MARKET I 3,200 $273,984
WISCONSIN ENERGY COR 7,760 $320,488
WYNDHAM WORLDWIDE CO 3,990 $240,358

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.