Pioneer Oak Ridge Small Cap Growth Fund

Top 10 Portfolio Holdings as of 5/30/2014
Default: sorted by market value

Security Name Par / Shares Market Value
Acadia Healthcare Co, Inc. 692,325 $29,520,738
Actuant Corp. 938,800 $33,355,564
Affiliated Managers Group, Inc. 104,300 $19,670,980
Akorn, Inc. 3,453,100 $96,583,207
Align Technology, Inc. 527,000 $28,779,470
Altra Industrial Motion Corp. 872,930 $29,845,477
Annie's, Inc. 441,000 $14,429,520
ANSYS, Inc. 224,321 $16,476,377
AO Smith Corp. 1,007,732 $49,761,806
Approach Resources, Inc. 882,300 $17,222,496
BankUnited, Inc. 1,336,858 $43,501,359
Beacon Roofing Supply, Inc. 1,118,500 $38,588,250
Cardtronics, Inc. 1,087,667 $31,520,590
CLARCOR, Inc. 401,738 $23,513,725
Colfax Corp. 852,400 $62,046,196
Deckers Outdoor Corp. 299,000 $23,109,710
Dice Holdings, Inc. 2,153,200 $15,201,592
Ellie Mae, Inc. 540,840 $15,062,394
EPAM Systems, Inc. 1,337,305 $56,260,421
Globus Medical, Inc. 1,732,639 $41,895,211
Group 1 Automotive, Inc. 521,681 $41,995,321
Gulfport Energy Corp. 437,699 $26,931,619
Halcon Resources Corp. 2,000,000 $12,480,000
Hittite Microwave Corp. 604,940 $35,570,472
InterMune, Inc. 515,000 $20,404,300
InvenSense, Inc. 1,835,000 $35,415,500
Keryx Biopharmaceuticals, Inc. 1,386,300 $18,299,160
LKQ Corp. 659,926 $18,306,347
MasTec, Inc. 993,165 $35,753,940
MAXIMUS, Inc. 625,000 $27,925,000
Monro Muffler Brake, Inc. 605,695 $32,713,587
MWI Veterinary Supply, Inc. 342,835 $47,828,911
NPS Pharmaceuticals, Inc. 1,566,100 $48,752,693
Omnicell, Inc. 1,567,409 $41,583,361
PDC Energy, Inc. 341,386 $21,913,567
Portfolio Recovery Associates, Inc. 1,074,697 $59,957,346
Power Solutions International, Inc. 127,000 $9,904,730
ProAssurance Corp. 304,710 $13,849,070
Proofpoint, Inc. 586,826 $18,731,486
Questcor Pharmaceuticals, Inc. 856,700 $77,214,371
RealPage, Inc. 1,125,554 $23,873,000
Roadrunner Transportation Systems, Inc. 1,167,500 $30,495,100
Sanchez Energy Corp. 725,000 $24,961,750
Sapient Corp. 1,315,700 $21,643,265
Seachange International, Inc. 1,747,885 $16,744,738
Sirona Dental Systems, Inc. 441,700 $33,224,674
Solera Holdings, Inc. 612,100 $39,939,525
Spectranetics Corp. 1,584,076 $33,962,589
Stifel Financial Corp. 760,280 $34,364,656
Synchronoss Technologies, Inc. 1,161,097 $36,864,830
Texas Roadhouse, Inc. 1,290,300 $32,618,784
The KEYW Holding Corp. 1,817,593 $19,266,486
The Middleby Corp. 247,604 $59,132,787
TriMas Corp. 515,600 $18,102,716
United Natural Foods, Inc. 317,500 $21,402,675
Virtusa Corp. 979,075 $33,494,156
Vitamin Shoppe, Inc. 580,100 $24,932,698
WageWorks, Inc. 751,900 $30,436,912
Waste Connections, Inc. 778,495 $35,476,017
Watsco, Inc. 493,600 $49,670,968
WEX, Inc. 624,810 $60,162,955
Wolverine World Wide, Inc. 1,563,880 $40,457,576

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.

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