Pioneer Oak Ridge Small Cap Growth Fund

Top 10 Portfolio Holdings as of 6/30/2014
Default: sorted by market value

Security Name Par / Shares Market Value
Acadia Healthcare Co, Inc. 692,325 $31,500,788
Actuant Corp. 938,800 $32,454,316
Affiliated Managers Group, Inc. 104,300 $21,423,220
Akorn, Inc. 3,453,100 $114,815,575
Align Technology, Inc. 527,000 $29,533,080
Altra Industrial Motion Corp. 872,930 $31,765,923
Annie's, Inc. 441,000 $14,914,620
ANSYS, Inc. 224,321 $17,008,018
AO Smith Corp. 1,007,732 $49,963,353
Approach Resources, Inc. 882,300 $20,054,679
BankUnited, Inc. 1,336,858 $44,758,006
Beacon Roofing Supply, Inc. 1,118,500 $37,044,720
BioDelivery Sciences International, Inc. 925,000 $11,164,750
Cardtronics, Inc. 1,087,667 $37,067,691
CLARCOR, Inc. 401,738 $24,847,495
Colfax Corp. 852,400 $63,537,896
Deckers Outdoor Corp. 299,000 $25,812,670
Dice Holdings, Inc. 2,153,200 $16,385,852
Ellie Mae, Inc. 540,840 $16,836,349
EPAM Systems, Inc. 1,337,305 $58,507,094
Globus Medical, Inc. 1,732,639 $41,444,725
Group 1 Automotive, Inc. 521,681 $43,982,925
Gulfport Energy Corp. 437,699 $27,487,497
Halcon Resources Corp. 2,000,000 $14,580,000
Hittite Microwave Corp. 604,940 $47,155,073
InterMune, Inc. 515,000 $22,737,250
InvenSense, Inc. 1,835,000 $41,636,150
Keryx Biopharmaceuticals, Inc. 1,386,300 $21,321,294
LKQ Corp. 659,926 $17,613,425
MasTec, Inc. 993,165 $30,609,345
MAXIMUS, Inc. 625,000 $26,887,500
Monro Muffler Brake, Inc. 605,695 $32,216,917
MWI Veterinary Supply, Inc. 342,835 $48,679,142
NPS Pharmaceuticals, Inc. 1,566,100 $51,759,605
Omnicell, Inc. 1,567,409 $45,000,312
PDC Energy, Inc. 341,386 $21,558,526
Portfolio Recovery Associates, Inc. 1,074,697 $63,976,712
Power Solutions International, Inc. 127,000 $9,140,190
ProAssurance Corp. 304,710 $13,529,124
Proofpoint, Inc. 586,826 $21,982,502
Questcor Pharmaceuticals, Inc. 856,700 $79,236,183
RealPage, Inc. 1,125,554 $25,302,454
Roadrunner Transportation Systems, Inc. 1,167,500 $32,806,750
Sanchez Energy Corp. 725,000 $27,252,750
Sapient Corp. 1,315,700 $21,380,125
Seachange International, Inc. 1,747,885 $14,000,559
Sirona Dental Systems, Inc. 441,700 $36,422,582
Solera Holdings, Inc. 612,100 $41,102,515
Stifel Financial Corp. 760,280 $35,999,258
Synchronoss Technologies, Inc. 1,161,097 $40,591,951
Texas Roadhouse, Inc. 1,290,300 $33,547,800
The KEYW Holding Corp. 1,817,593 $22,847,144
The Middleby Corp. 742,812 $61,445,409
The Spectranetics Corp. 1,584,076 $36,243,659
TriMas Corp. 515,600 $19,659,828
United Natural Foods, Inc. 317,500 $20,669,250
Virtusa Corp. 979,075 $35,050,885
Vitamin Shoppe, Inc. 580,100 $24,955,902
WageWorks, Inc. 751,900 $36,249,099
Waste Connections, Inc. 778,495 $37,795,932
Watsco, Inc. 493,600 $50,722,336
WEX, Inc. 624,810 $65,586,306
Wolverine World Wide, Inc. 1,563,880 $40,754,713

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.