Pioneer Select Mid Cap Growth Fund

Top 10 Portfolio Holdings as of 12/31/2014
Default: sorted by market value

Security Name Par / Shares Market Value
Acuity Brands, Inc. 28,789 $4,032,475
Advance Auto Parts, Inc. 106,869 $17,022,094
Affiliated Managers Group, Inc. 65,890 $13,984,494
Akamai Technologies, Inc. 277,448 $17,468,126
Align Technology, Inc. 269,134 $15,047,282
Alkermes Plc 253,818 $14,863,582
Alliance Data Systems Corp. 20,243 $5,790,510
American Airlines Group, Inc. 497,711 $26,692,241
American Energy - Utica LLC, 3.5%, 3/1/21 (144A) (PIK) 3,716,000 $2,681,713
ANSYS, Inc. 70,966 $5,819,212
Autodesk, Inc. 151,251 $9,084,135
Avago Technologies, Ltd. 151,917 $15,281,331
Avery Dennison Corp. 100,349 $5,206,106
B/E Aerospace Inc 70,236 $4,075,093
BankUnited, Inc. 206,927 $5,994,675
Berry Plastics Group, Inc. 145,850 $4,601,568
Boardwalk Pipeline Partners LP 284,664 $5,058,479
BorgWarner, Inc. 43,242 $2,376,148
Brookdale Senior Living, Inc. 276,421 $10,136,358
Bruker Corp. 346,194 $6,792,326
Cabot Oil & Gas Corp. 410,570 $12,156,978
Cadence Design Systems, Inc. 454,429 $8,620,518
Cardinal Health, Inc. 157,842 $12,742,585
Catamaran Corp. 342,557 $17,727,325
Charles River Laboratories International, Inc. 219,560 $13,972,798
Chipotle Mexican Grill, Inc. 11,168 $7,644,608
Cimarex Energy Co. 90,651 $9,609,006
Cintas Corp. 62,865 $4,931,131
comScore, Inc. 121,181 $5,626,434
Constellation Brands, Inc. 111,043 $10,901,091
CoStar Group, Inc. 76,712 $14,086,625
Covanta Holding Corp. 265,092 $5,834,675
CVS Health Corp. 105,864 $10,195,762
Diamond Foods, Inc. 15,910 $449,139
Discover Financial Services 229,531 $15,031,985
Dollar Tree, Inc. 261,229 $18,385,297
Dynegy, Inc. 27,704 $840,816
Eagle Materials, Inc. 67,251 $5,113,094
Edwards Lifesciences Corp. 102,589 $13,067,787
Endo International Plc 173,318 $12,499,694
Endologix, Inc. 621,362 $9,500,625
F5 Networks, Inc. 96,751 $12,622,619
Facebook, Inc. 146,062 $11,395,757
Five Below, Inc. 93,778 $3,828,956
Flotek Industries, Inc. 192,199 $3,599,887
Gartner, Inc. 67,963 $5,723,164
G-III Apparel Group, Ltd. 88,176 $8,906,658
Google, Inc. 9,458 $4,978,691
Google, Inc. 9,418 $4,997,756
H&R Block, Inc. 277,962 $9,361,760
Hanesbrands, Inc. 83,802 $9,353,979
HD Supply Holdings, Inc. 283,316 $8,354,989
Hertz Global Holdings, Inc. 195,781 $4,882,778
Hilton Worldwide Holdings, Inc. 230,905 $6,024,311
HomeAway, Inc. 439,597 $13,091,199
Hormel Foods Corp. 109,511 $5,705,523
Insulet Corp. 156,439 $7,205,580
Intuit, Inc. 97,704 $9,007,332
ITC Holdings Corp. 31,725 $1,282,642
Jack in the Box, Inc. 104,977 $8,393,961
Jazz Pharmaceuticals Plc 92,606 $15,162,380
JB Hunt Transport Services, Inc. 40,839 $3,440,686
Kansas City Southern 69,065 $8,428,002
Keurig Green Mountain, Inc. 150,939 $19,983,569
Kirby Corp. 40,024 $3,231,538
KLX, Inc. 35,118 $1,448,618
Lear Corp. 218,104 $21,391,640
Level 3 Communications, Inc. 208,083 $10,275,139
Liberty Global Plc 95,000 $4,769,475
Liberty Global Plc 118,966 $5,747,247
LinkedIn Corp. 44,161 $10,144,223
Lithia Motors, Inc. 79,057 $6,853,451
LKQ Corp. 509,086 $14,315,498
Lorillard, Inc. 157,641 $9,921,925
Lowe's Companies, Inc. 150,376 $10,345,869
Macquarie Infrastructure Co LLC 88,357 $6,281,299
ManpowerGroup, Inc. 126,653 $8,633,935
Martin Marietta Materials, Inc. 33,285 $3,672,001
MasterCard, Inc. 77,609 $6,686,791
Mead Johnson Nutrition Co. 41,676 $4,190,105
Memorial Resource Development Corp. 681,271 $12,283,316
Michael Kors Holdings, Ltd. 66,636 $5,004,364
Mobile Mini, Inc. 141,577 $5,735,284
Mohawk Industries, Inc. 30,403 $4,723,410
Molson Coors Brewing Co. (Class B) 116,053 $8,648,270
Monster Beverage Corp. 98,087 $10,627,726
Morgan Stanley 171,974 $6,672,591
National Fuel Gas Co. 8,213 $571,050
Neff Corp. 320,484 $3,611,855
Netflix, Inc. 13,534 $4,623,350
Neurocrine Biosciences, Inc. 215,251 $4,808,707
Norwegian Cruise Line Holdings, Ltd. 80,418 $3,760,346
NPS Pharmaceuticals, Inc. 306,912 $10,978,242
Oasis Petroleum, Inc. 37,073 $615,189
Oceaneering International, Inc. 38,904 $2,287,944
Old Dominion Freight Line, Inc. 85,571 $6,643,732
Omnicare, Inc. 158,798 $11,581,138
Packaging Corp of America 43,246 $3,375,350
Palo Alto Networks, Inc. 35,483 $4,349,151
Pandora Media, Inc. 186,626 $3,327,542
Panera Bread Co. 39,208 $6,853,558
Pentair Plc 41,945 $2,785,987
Performance Sports Group, Ltd. 200,474 $3,606,527
PVH Corp. 46,589 $5,971,312
Qlik Technologies, Inc. 254,428 $7,859,281
Rice Energy, Inc. 193,356 $4,054,675
Roper Industries, Inc. 48,221 $7,539,353
Ross Stores, Inc. 70,934 $6,686,239
RPC, Inc. 132,567 $1,728,674
RPM International, Inc. 71,043 $3,602,591
Ryder System, Inc. 117,154 $10,877,749
salesforce.com inc 113,331 $6,721,662
Salix Pharmaceuticals, Ltd. 63,877 $7,342,022
SanDisk Corp. 48,165 $4,719,207
SBA Communications Corp. 119,054 $13,186,421
SemGroup Corp. 78,991 $5,402,194
ServiceNow, Inc. 59,428 $4,032,190
Shire Plc (A.D.R.) 74,596 $15,854,634
Signature Bank/New York NY 55,266 $6,961,305
Signet Jewelers, Ltd. 59,431 $7,819,337
Skyworks Solutions, Inc. 326,161 $23,715,166
Sonic Corp. 242,016 $6,590,096
Southwest Airlines Co. 68,316 $2,891,133
Spirit Airlines, Inc. 42,359 $3,201,493
SS&C Technologies Holdings, Inc. 94,154 $5,507,067
Tableau Software, Inc. 53,747 $4,555,596
TESARO, Inc. 115,987 $4,313,557
Tesoro Corp. 21,610 $1,606,704
The Blackstone Group LP 177,468 $6,003,742
The Kroger Co. 217,140 $13,942,559
The Manitowoc Co, Inc. 280,261 $6,193,768
The NASDAQ OMX Group, Inc. 355,246 $17,037,598
The Sherwin-Williams Co. 24,681 $6,492,090
The TJX Companies, Inc. 123,466 $8,467,298
Towers Watson & Co. 115,250 $13,042,843
Tractor Supply Co. 135,399 $10,672,149
TripAdvisor, Inc. 86,600 $6,465,556
Twitter, Inc. 139,773 $5,013,658
Tyson Foods, Inc. 207,632 $8,323,967
United Continental Holdings, Inc. 219,553 $14,685,900
United Rentals, Inc. 93,759 $9,564,356
UTi Worldwide, Inc. 201,954 $2,437,585
WABCO Holdings, Inc. 41,366 $4,334,329
Wabtec Corp./DE 65,838 $5,720,664
WageWorks, Inc. 120,708 $7,794,116
WellCare Health Plans, Inc. 80,811 $6,631,351
Western Digital Corp. 65,870 $7,291,809
Westlake Chemical Corp. 114,889 $7,018,569
Weyerhaeuser Co. 405,971 $14,570,299
Whirlpool Corp. 37,479 $7,261,181
WR Grace & Co. 62,685 $5,979,522

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

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