Pioneer Select Mid Cap Growth Fund

Top 10 Portfolio Holdings as of 3/31/2016
Default: sorted by market value

Security Name Par / Shares Market Value
Acuity Brands, Inc. 38,944 $8,495,244
Advance Auto Parts, Inc. 106,869 $17,135,375
Affiliated Managers Group, Inc. 46,416 $7,537,958
Alaska Air Group, Inc. 97,547 $8,000,805
Albany International Corp. 179,186 $6,735,602
Align Technology, Inc. 272,106 $19,779,385
Alkermes Plc 316,896 $10,834,674
Allegion Plc 98,916 $6,301,938
American Airlines Group, Inc. 467,039 $19,153,269
Analog Devices, Inc. 148,203 $8,772,136
AO Smith Corp. 97,892 $7,470,139
Astronics Corp. 139,028 $5,303,918
Avery Dennison Corp. 99,638 $7,184,896
B/E Aerospace Inc 161,810 $7,462,677
Ball Corp. 180,584 $12,873,833
BankUnited, Inc. 172,765 $5,950,027
Blackbaud, Inc. 131,224 $8,252,677
Blue Buffalo Pet Products, Inc. 293,192 $7,523,307
Boston Scientific Corp. 1,237,360 $23,274,742
Broadcom, Ltd. 99,252 $15,334,434
Buffalo Wild Wings, Inc. 84,409 $12,502,661
Cabot Oil & Gas Corp. 462,257 $10,497,856
Cardinal Health, Inc. 157,047 $12,870,002
Charles River Laboratories International, Inc. 269,110 $20,436,213
Cheniere Energy, Inc. 128,979 $4,363,360
Chipotle Mexican Grill, Inc. 12,136 $5,715,692
Cimarex Energy Co. 53,053 $5,160,465
Cintas Corp. 79,517 $7,141,422
Colfax Corp. 226,724 $6,482,039
ConAgra Foods, Inc. 154,341 $6,886,695
Constellation Brands, Inc. 111,043 $16,777,487
Continental Resources, Inc./OK 42,560 $1,292,122
CoStar Group, Inc. 101,484 $19,096,244
Dave & Buster's Entertainment, Inc. 239,030 $9,269,583
Dollar General Corp. 188,030 $16,095,368
Dollar Tree, Inc. 230,237 $18,985,343
Dover Corp. 76,422 $4,916,227
Edwards Lifesciences Corp. 159,706 $14,087,666
Electronic Arts, Inc. 125,824 $8,318,225
Endo International Plc 102,262 $2,878,675
Endologix, Inc. 660,256 $5,519,740
Equifax, Inc. 107,727 $12,312,119
Fidelity National Information Services, Inc. 136,180 $8,621,556
First Solar, Inc. 69,849 $4,782,561
Flotek Industries, Inc. 89,851 $658,608
Fortune Brands Home & Security, Inc. 88,306 $4,948,668
Gartner, Inc. 67,963 $6,072,494
Harris Corp. 117,630 $9,158,672
Hertz Global Holdings, Inc. 280,229 $2,950,811
Hormel Foods Corp. 219,022 $9,470,511
IHS, Inc. 71,522 $8,880,172
Insulet Corp. 203,973 $6,763,745
Integrated Device Technology, Inc. 145,408 $2,972,140
Intercontinental Exchange, Inc. 77,293 $18,174,676
Intuit, Inc. 119,659 $12,445,733
Jack in the Box, Inc. 71,080 $4,539,880
Jazz Pharmaceuticals Plc 135,470 $17,685,609
Lam Research Corp. 155,733 $12,863,546
L Brands, Inc. 29,408 $2,582,316
LDR Holding Corp. 259,987 $6,627,069
Lear Corp. 66,918 $7,439,274
Lennox International, Inc. 58,372 $7,891,311
Liberty Broadband Corp. 88,112 $5,124,594
LinkedIn Corp. 108,813 $12,442,767
LKQ Corp. 306,201 $9,776,998
Lowe's Companies, Inc. 209,999 $15,907,424
LyondellBasell Industries NV 35,325 $3,023,114
M/A-COM Technology Solutions Holdings Inc 135,123 $5,917,036
Macquarie Infrastructure Corp. 46,405 $3,129,553
ManpowerGroup, Inc. 63,648 $5,182,220
Marvell Technology Group, Ltd. 495,212 $5,105,636
MasterCard, Inc. 85,639 $8,092,886
McGraw Hill Financial, Inc. 59,711 $5,910,195
Mead Johnson Nutrition Co. 105,081 $8,928,733
Medivation, Inc. 367,285 $16,887,764
MEDNAX, Inc. 240,617 $15,548,671
Memorial Resource Development Corp. 267,336 $2,721,480
Mohawk Industries, Inc. 50,334 $9,608,761
Molson Coors Brewing Co. (Class B) 151,869 $14,606,760
Monster Beverage Corp. 64,729 $8,633,554
MSC Industrial Direct Co, Inc. 169,253 $12,915,696
Nasdaq, Inc. 320,105 $21,248,570
NetEase, Inc. (A.D.R.) 30,671 $4,403,742
Neurocrine Biosciences, Inc. 177,084 $7,003,672
Newfield Exploration Co. 103,364 $3,436,853
Norwegian Cruise Line Holdings, Ltd. 205,570 $11,365,965
NXP Semiconductors NV 57,221 $4,638,906
O'Reilly Automotive, Inc. 59,844 $16,376,909
Oaktree Capital Group LLC 229,414 $11,316,993
Old Dominion Freight Line, Inc. 94,412 $6,572,963
Ophthotech Corp. 58,630 $2,478,290
Packaging Corp of America 89,345 $5,396,438
Palo Alto Networks, Inc. 37,147 $6,060,162
Panera Bread Co. 63,318 $12,969,426
Pitney Bowes, Inc. 281,938 $6,072,945
Planet Fitness, Inc. 203,518 $3,305,132
Qlik Technologies, Inc. 173,144 $5,007,324
Raytheon Co. 48,383 $5,933,207
Red Hat, Inc. 87,969 $6,554,570
Rite Aid Corp. 844,755 $6,884,753
Roper Technologies, Inc. 41,293 $7,547,122
Ross Stores, Inc. 215,911 $12,501,247
Sabre Corp. 305,712 $8,841,191
Sally Beauty Holdings, Inc. 203,139 $6,577,641
SBA Communications Corp. 68,073 $6,818,872
Scripps Networks Interactive, Inc. 108,227 $7,088,869
SEI Investments Co. 347,762 $14,971,154
ServiceNow, Inc. 81,012 $4,956,314
Signature Bank/New York NY 35,752 $4,866,562
Signet Jewelers, Ltd. 47,682 $5,913,998
Skechers U.S.A., Inc. 253,166 $7,708,905
Skyworks Solutions, Inc. 152,504 $11,880,062
Snap-on, Inc. 50,413 $7,914,337
Southwest Airlines Co. 366,124 $16,402,355
SS&C Technologies Holdings, Inc. 79,292 $5,028,699
TESARO, Inc. 50,698 $2,232,233
Texas Roadhouse, Inc. 189,412 $8,254,575
The Hershey Co. 85,636 $7,886,219
The JM Smucker Co. 47,706 $6,194,147
The Kroger Co. 317,825 $12,156,806
The Sherwin-Williams Co. 48,742 $13,875,385
The Ultimate Software Group, Inc. 45,134 $8,733,429
The WhiteWave Foods Co. 148,496 $6,034,877
Total System Services, Inc. 101,096 $4,810,148
Tractor Supply Co. 135,399 $12,248,194
Tyson Foods, Inc. 207,632 $13,840,749
Ulta Salon Cosmetics & Fragrance, Inc. 42,091 $8,154,710
Under Armour, Inc. 90,889 $7,710,114
Vantiv, Inc. 169,771 $9,147,261
Ventas, Inc. 98,267 $6,186,890
Verisk Analytics, Inc. 171,873 $13,736,090
Vulcan Materials Co. 71,614 $7,560,290
WABCO Holdings, Inc. 70,097 $7,494,771
WellCare Health Plans, Inc. 118,980 $11,035,395
Whole Foods Market, Inc. 267,082 $8,308,921
Willis Towers Watson Plc 60,338 $7,159,707
WR Grace & Co. 134,523 $9,575,347
Xilinx, Inc. 110,248 $5,229,063
Zendesk, Inc. 192,390 $4,026,723

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

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