Pioneer Select Mid Cap Growth Fund

Top 10 Portfolio Holdings as of 7/31/2015
Default: sorted by market value

Security Name Par / Shares Market Value
Acuity Brands, Inc. 38,026 $7,650,451
Advance Auto Parts, Inc. 106,869 $18,617,648
Affiliated Managers Group, Inc. 69,012 $14,347,595
Agrium, Inc. 36,283 $3,710,300
AgroFresh Solutions, Inc. 485,177 $5,822,124
Akamai Technologies, Inc. 277,448 $21,283,036
Alaska Air Group, Inc. 89,435 $6,774,701
Align Technology, Inc. 279,161 $17,503,395
Alkermes Plc 267,807 $18,751,846
American Airlines Group, Inc. 528,172 $21,179,697
ANSYS, Inc. 70,966 $6,681,449
Autodesk, Inc. 79,318 $4,011,904
Avago Technologies, Ltd. 151,917 $19,010,893
B/E Aerospace Inc 71,761 $3,495,478
BankUnited, Inc. 143,088 $5,225,574
Berry Plastics Group, Inc. 203,212 $6,616,583
Boston Scientific Corp. 1,299,063 $22,525,752
Broadcom Corp. 173,799 $8,795,967
Buffalo Wild Wings, Inc. 58,063 $11,355,962
Builders FirstSource, Inc. 527,120 $7,927,885
Cabot Oil & Gas Corp. 468,873 $12,265,718
Cadence Design Systems, Inc. 314,813 $6,601,629
Cardinal Health, Inc. 228,659 $19,431,442
Carlisle Companies, Inc. 123,485 $12,504,091
Charles River Laboratories International, Inc. 240,479 $18,665,980
Chart Industries, Inc. 50,906 $1,389,734
Chipotle Mexican Grill, Inc. 29,196 $21,670,147
Cimarex Energy Co. 59,846 $6,231,166
Cintas Corp. 62,865 $5,374,958
Cognizant Technology Solutions Corp. 105,845 $6,678,820
comScore, Inc. 121,181 $7,089,089
Constellation Brands, Inc. 111,043 $13,327,381
Core Laboratories NV 48,425 $5,308,833
CoreLogic, Inc./United States 147,381 $5,812,707
CoStar Group, Inc. 76,712 $15,441,358
Criteo SA (A.D.R.) 147,854 $7,870,268
CVS Health Corp. 105,864 $11,906,524
Cytec Industries, Inc. 82,606 $6,131,843
Dave & Buster's Entertainment, Inc. 244,486 $9,486,057
Demandware, Inc. 58,372 $4,410,588
Diamond Foods, Inc. 15,910 $514,052
Discover Financial Services 275,374 $15,368,623
Dollar Tree, Inc. 295,447 $23,053,729
Dynegy, Inc. 79,868 $2,080,561
Eagle Materials, Inc. 40,130 $3,095,628
Edwards Lifesciences Corp. 116,386 $17,709,294
Endo International Plc 225,546 $19,744,297
Endologix, Inc. 594,070 $8,471,438
Equifax, Inc. 41,519 $4,240,335
F5 Networks, Inc. 33,709 $4,521,725
Facebook, Inc. 146,062 $13,731,289
Fleetmatics Group Plc 146,300 $7,003,381
Flotek Industries, Inc. 200,985 $3,440,863
Gartner, Inc. 67,963 $6,019,483
G-III Apparel Group, Ltd. 176,352 $12,737,905
Google, Inc. 9,418 $6,192,335
Google, Inc. 9,483 $5,932,660
H&R Block, Inc. 277,962 $9,253,355
Hanesbrands, Inc. 215,027 $6,672,288
Hilton Worldwide Holdings, Inc. 488,183 $13,107,714
HomeAway, Inc. 439,597 $13,205,494
Hormel Foods Corp. 109,511 $6,484,146
Hub Group, Inc. 32,305 $1,361,010
Insulet Corp. 256,693 $8,699,326
Intercontinental Exchange, Inc. 77,019 $17,563,413
Intuit, Inc. 97,704 $10,334,152
Jack in the Box, Inc. 91,806 $8,721,570
Jazz Pharmaceuticals Plc 107,656 $20,695,789
Kansas City Southern 97,901 $9,710,800
KBR, Inc. 377,378 $6,592,794
Keurig Green Mountain, Inc. 275,606 $20,681,474
Lear Corp. 132,352 $13,773,873
Lennox International, Inc. 51,371 $6,065,374
LinkedIn Corp. 54,684 $11,115,070
Lithia Motors, Inc. 79,057 $9,462,332
Lowe's Companies, Inc. 191,079 $13,253,239
Macquarie Infrastructure Corp. 80,716 $6,855,210
ManpowerGroup, Inc. 151,136 $13,674,785
Martin Marietta Materials, Inc. 33,285 $5,219,754
Masonite International Corp. 83,865 $5,792,556
MasterCard, Inc. 85,639 $8,341,239
MEDNAX, Inc. 138,737 $11,742,700
Memorial Resource Development Corp. 711,508 $10,886,072
Methanex Corp. 89,501 $4,035,600
Mohawk Industries, Inc. 47,579 $9,591,451
Molson Coors Brewing Co. (Class B) 116,053 $8,256,010
Monster Beverage Corp. 98,087 $15,061,259
Netflix, Inc. 64,563 $7,380,197
Neurocrine Biosciences, Inc. 125,618 $6,295,974
Norwegian Cruise Line Holdings, Ltd. 140,261 $8,755,092
Omnicare, Inc. 73,001 $7,070,147
On Assignment, Inc. 115,123 $4,411,513
Ophthotech Corp. 60,332 $4,083,873
Packaging Corp of America 98,852 $6,997,733
Palo Alto Networks, Inc. 35,483 $6,593,806
Panera Bread Co. 45,496 $9,286,644
Qlik Technologies, Inc. 254,428 $10,294,157
Restoration Hardware Holdings, Inc. 53,604 $5,438,662
Rockwell Collins, Inc. 78,983 $6,683,541
Roper Technologies, Inc. 41,293 $6,907,080
Ross Stores, Inc. 161,813 $8,601,979
Ryder System, Inc. 105,639 $9,562,442
Sabre Corp. 351,041 $9,337,691
salesforce.com inc 113,331 $8,307,162
SBA Communications Corp. 119,054 $14,372,199
SEI Investments Co. 224,736 $11,980,676
SemGroup Corp. 68,358 $4,859,570
ServiceNow, Inc. 43,479 $3,500,060
Shire Plc (A.D.R.) 46,713 $12,463,496
Signature Bank/New York NY 48,294 $7,031,123
Signet Jewelers, Ltd. 67,243 $8,151,196
Skyworks Solutions, Inc. 80,961 $7,745,539
Sonic Corp. 288,687 $8,579,778
Splunk, Inc. 48,226 $3,372,926
SS&C Technologies Holdings, Inc. 94,154 $6,405,297
Tableau Software, Inc. 53,747 $5,629,461
TESARO, Inc. 109,423 $6,346,534
The Blackstone Group LP 174,412 $6,845,671
The Kroger Co. 434,280 $17,041,147
The Men's Wearhouse, Inc. 128,852 $7,669,271
The NASDAQ OMX Group, Inc. 364,422 $18,596,455
The Sherwin-Williams Co. 54,786 $15,217,359
The TJX Companies, Inc. 108,909 $7,604,026
The Ultimate Software Group, Inc. 37,615 $6,958,941
Towers Watson & Co. 95,373 $12,091,389
Tractor Supply Co. 135,399 $12,527,115
TransUnion 308,226 $7,736,473
Twitter, Inc. 190,234 $5,899,156
Tyson Foods, Inc. 207,632 $9,208,479
Ulta Salon Cosmetics & Fragrance, Inc. 82,408 $13,682,200
United Continental Holdings, Inc. 219,555 $12,380,706
United Rentals, Inc. 20,402 $1,366,730
Ventas, Inc. 87,697 $5,883,592
Vertex Pharmaceuticals, Inc. 65,747 $8,875,845
WABCO Holdings, Inc. 135,344 $16,710,924
Wabtec Corp./DE 58,839 $5,953,918
WageWorks, Inc. 87,830 $4,387,109
WellCare Health Plans, Inc. 87,025 $7,031,620
Westlake Chemical Corp. 111,585 $6,970,715
Weyerhaeuser Co. 283,458 $8,699,326
WR Grace & Co. 89,746 $9,058,064

The portfolio is actively managed, and current holdings may be different.

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