Pioneer Select Mid Cap Growth Fund

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

Security Name Par / Shares Market Value
Acuity Brands, Inc. 41,384 $9,675,579
Advance Auto Parts, Inc. 106,869 $16,084,853
Affiliated Managers Group, Inc. 77,970 $12,456,487
Alaska Air Group, Inc. 97,547 $7,853,509
Albany International Corp. 179,186 $6,549,248
Alder Biopharmaceuticals, Inc. 123,505 $4,079,370
Align Technology, Inc. 331,213 $21,810,376
Alkermes Plc 191,107 $15,170,074
Allegion Plc 118,741 $7,827,407
AMERCO 17,766 $6,919,857
American Airlines Group, Inc. 467,039 $19,779,102
Analog Devices, Inc. 148,203 $8,198,590
Astronics Corp. 180,157 $7,334,191
Avago Technologies, Ltd. 64,259 $9,327,194
Ball Corp. 189,856 $13,808,227
BankUnited, Inc. 199,482 $7,193,321
Berry Plastics Group, Inc. 100,764 $3,645,642
Blackbaud, Inc. 131,224 $8,642,413
Boston Scientific Corp. 1,206,158 $22,241,554
Broadcom Corp. 173,799 $10,049,058
Buffalo Wild Wings, Inc. 43,163 $6,890,973
Cabot Oil & Gas Corp. 267,183 $4,726,467
Campbell Soup Co. 124,052 $6,518,933
Cardinal Health, Inc. 130,198 $11,622,775
Charles River Laboratories International, Inc. 267,807 $21,529,005
Cimarex Energy Co. 71,024 $6,348,125
Cintas Corp. 60,996 $5,553,686
Cognizant Technology Solutions Corp. 98,014 $5,882,800
ConAgra Foods, Inc. 154,341 $6,507,017
Constellation Brands, Inc. 111,043 $15,816,965
CoStar Group, Inc. 104,863 $21,674,133
Dave & Buster's Entertainment, Inc. 244,486 $10,204,846
Delphi Automotive Plc 115,483 $9,900,358
Demandware, Inc. 121,450 $6,554,657
Discover Financial Services 94,169 $5,049,342
Dollar General Corp. 182,406 $13,109,519
Dollar Tree, Inc. 180,971 $13,974,581
Dover Corp. 94,326 $5,783,127
DR Horton, Inc. 144,331 $4,622,922
Edwards Lifesciences Corp. 255,936 $20,213,825
Endo International Plc 183,425 $11,229,279
Endologix, Inc. 771,882 $7,641,632
Equifax, Inc. 72,946 $8,123,996
Expedia, Inc. 90,776 $11,283,457
Fleetmatics Group Plc 63,880 $3,244,465
Flotek Industries, Inc. 254,753 $2,914,374
Fortune Brands Home & Security, Inc. 171,749 $9,532,070
Gartner, Inc. 67,963 $6,164,244
H&R Block, Inc. 277,962 $9,258,914
Harris Corp. 79,483 $6,907,073
HD Supply Holdings, Inc. 262,153 $7,872,455
Hormel Foods Corp. 109,511 $8,660,130
Insulet Corp. 232,788 $8,801,714
Integrated Device Technology, Inc. 320,519 $8,445,676
Intercontinental Exchange, Inc. 72,678 $18,624,464
Intuit, Inc. 99,526 $9,604,259
Jazz Pharmaceuticals Plc 119,898 $16,852,863
Keurig Green Mountain, Inc. 61,864 $5,566,523
Lam Research Corp. 155,733 $12,368,315
L Brands, Inc. 116,123 $11,126,906
LDR Holding Corp. 266,092 $6,681,570
Lear Corp. 99,143 $12,177,735
Lennox International, Inc. 57,427 $7,172,632
LinkedIn Corp. 84,828 $19,093,086
Lithia Motors, Inc. 94,081 $10,035,620
Lowe's Companies, Inc. 236,079 $17,951,447
ManpowerGroup, Inc. 135,186 $11,394,828
MasterCard, Inc. 85,639 $8,337,813
Medivation, Inc. 137,242 $6,634,278
MEDNAX, Inc. 219,949 $15,761,545
Memorial Resource Development Corp. 699,832 $11,302,287
Microsemi Corp. 126,814 $4,132,868
Mobileye NV 122,944 $5,198,072
Mohawk Industries, Inc. 50,334 $9,532,756
Molson Coors Brewing Co. (Class B) 151,869 $14,263,536
Monster Beverage Corp. 51,620 $7,689,315
Nasdaq, Inc. 385,913 $22,448,559
NetEase, Inc. (A.D.R.) 30,671 $5,558,812
Neurocrine Biosciences, Inc. 173,552 $9,817,837
Norwegian Cruise Line Holdings, Ltd. 157,624 $9,236,766
O'Reilly Automotive, Inc. 39,830 $10,093,719
Oaktree Capital Group LLC 233,585 $11,146,676
Ophthotech Corp. 76,169 $5,981,552
Packaging Corp of America 84,671 $5,338,507
Palo Alto Networks, Inc. 49,466 $8,712,941
Panera Bread Co. 63,318 $12,333,080
Pitney Bowes, Inc. 365,919 $7,556,227
Qlik Technologies, Inc. 254,428 $8,055,190
Qorvo, Inc. 111,598 $5,680,338
Raytheon Co. 62,041 $7,725,966
Rite Aid Corp. 844,755 $6,622,879
Rockwell Collins, Inc. 71,392 $6,589,482
Roper Technologies, Inc. 41,293 $7,836,998
Ross Stores, Inc. 142,572 $7,671,799
Sabre Corp. 496,456 $13,885,874
SBA Communications Corp. 68,073 $7,152,430
SEI Investments Co. 329,464 $17,263,914
ServiceNow, Inc. 76,778 $6,645,904
Signature Bank/New York NY 50,097 $7,683,377
Signet Jewelers, Ltd. 145,601 $18,009,388
Skyworks Solutions, Inc. 143,463 $11,022,262
Snap-on, Inc. 40,428 $6,930,572
Southwest Airlines Co. 354,516 $15,265,459
Splunk, Inc. 73,467 $4,320,594
SS&C Technologies Holdings, Inc. 114,668 $7,828,384
Stanley Black & Decker, Inc. 48,985 $5,228,169
Tableau Software, Inc. 38,379 $3,616,069
TESARO, Inc. 113,825 $5,955,324
Texas Roadhouse, Inc. 189,412 $6,775,267
The Hain Celestial Group, Inc. 286,934 $11,589,264
The Hershey Co. 85,636 $7,644,726
The Kroger Co. 434,280 $18,165,932
The Sherwin-Williams Co. 48,742 $12,653,423
The Ultimate Software Group, Inc. 37,615 $7,354,109
The WhiteWave Foods Co. 96,868 $3,769,134
Towers Watson & Co. 60,338 $7,751,019
Tractor Supply Co. 135,399 $11,576,615
TransUnion 213,895 $5,897,085
Twitter, Inc. 359,356 $8,315,498
Tyson Foods, Inc. 207,632 $11,073,015
Ulta Salon Cosmetics & Fragrance, Inc. 82,408 $15,245,480
Under Armour, Inc. 74,770 $6,027,210
United Continental Holdings, Inc. 97,651 $5,595,402
United Rentals, Inc. 69,744 $5,059,230
Vantiv, Inc. 112,698 $5,344,139
Ventas, Inc. 66,897 $3,774,998
Verisk Analytics, Inc. 146,225 $11,241,778
Vulcan Materials Co. 85,658 $8,134,940
WABCO Holdings, Inc. 116,664 $11,930,061
WellCare Health Plans, Inc. 164,581 $12,871,880
Westlake Chemical Corp. 60,218 $3,271,042
Whole Foods Market, Inc. 233,237 $7,813,440
Williams-Sonoma, Inc. 92,861 $5,424,011
WR Grace & Co. 126,619 $12,609,986
Xilinx, Inc. 110,248 $5,178,349

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

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