Pioneer Mid Cap Value Fund

Top 10 Portfolio Holdings as of 5/29/2015
Default: sorted by market value

Security Name Par / Shares Market Value
Aetna, Inc. 145,797 $17,199,672
Amdocs, Ltd. 289,087 $15,856,422
Ameriprise Financial, Inc. 87,174 $10,861,009
Boston Scientific Corp. 1,065,566 $19,467,891
Broadcom Corp. 471,985 $26,832,347
Cabot Oil & Gas Corp. 289,274 $9,823,745
Cameron International Corp. 165,878 $8,514,518
Cardinal Health, Inc. 231,090 $20,375,205
Cathay General Bancorp 551,428 $16,664,154
Ciena Corp. 487,145 $11,749,937
Cimarex Energy Co. 87,049 $10,055,030
Corporate Office Properties Trust 261,728 $6,718,558
Corrections Corp of America 299,504 $10,530,561
Duke Realty Corp. 612,862 $11,987,581
Edison International 195,528 $11,890,058
Endo International Plc 153,067 $12,820,892
Eversource Energy 223,531 $11,008,902
Fidelity National Information Services, Inc. 228,181 $14,306,949
First Horizon National Corp. 1,135,160 $16,754,962
Fortune Brands Home & Security, Inc. 352,951 $16,186,333
Generac Holdings, Inc. 173,537 $7,250,376
General Growth Properties, Inc. 390,894 $11,074,027
Helmerich & Payne, Inc. 116,176 $8,479,686
Humana, Inc. 110,682 $23,757,891
Huntington Bancshares, Inc./OH 1,446,465 $16,099,155
Huntington Ingalls Industries, Inc. 93,323 $11,571,119
Ingredion, Inc. 177,217 $14,526,477
Intercontinental Exchange, Inc. 21,331 $5,050,754
International Paper Co. 265,687 $13,770,557
IPG Photonics Corp. 142,602 $13,524,374
Jarden Corp. 319,896 $16,973,682
Jazz Pharmaceuticals Plc 76,273 $13,679,563
Jones Lang LaSalle, Inc. 97,442 $16,879,878
KeyCorp 1,113,170 $16,230,019
Kimco Realty Corp. 349,404 $8,371,720
Kohl's Corp. 192,749 $12,623,132
Lazard, Ltd. 248,113 $13,785,158
Lennar Corp. 336,249 $15,679,291
Lincoln National Corp. 297,738 $16,974,043
Louisiana-Pacific Corp. 606,296 $10,967,895
Macy's, Inc. 201,706 $13,504,217
Mallinckrodt Plc 145,088 $18,780,191
ManpowerGroup, Inc. 179,738 $15,214,822
Marvell Technology Group, Ltd. 777,011 $10,870,384
Methanex Corp. 97,812 $5,427,588
Microsemi Corp. 332,041 $12,082,972
Navient Corp. 488,435 $9,412,142
NVIDIA Corp. 607,085 $13,434,791
Office Depot, Inc. 1,277,017 $11,837,948
ON Semiconductor Corp. 1,102,353 $14,617,201
Owens Corning 334,693 $14,177,595
Owens-Illinois, Inc. 221,834 $5,301,833
Pebblebrook Hotel Trust 240,445 $10,310,282
Pinnacle West Capital Corp. 168,533 $10,267,030
PNM Resources, Inc. 402,653 $10,706,543
Polycom, Inc. 713,809 $9,615,007
Public Service Enterprise Group, Inc. 267,025 $11,383,276
Quest Diagnostics, Inc. 212,519 $15,987,804
Regal Beloit Corp. 131,195 $10,258,137
Regions Financial Corp. 1,705,194 $17,205,407
Reinsurance Group of America, Inc. 165,897 $15,519,664
Ross Stores, Inc. 119,633 $11,564,922
Ryder System, Inc. 148,011 $13,565,208
Sally Beauty Holdings, Inc. 396,226 $12,366,213
Steelcase, Inc. 436,483 $7,507,508
Stifel Financial Corp. 58,666 $3,124,551
SunEdison, Inc. 284,857 $8,537,164
Tenneco, Inc. 220,171 $12,928,441
The GEO Group, Inc. 276,383 $10,483,207
The Goodyear Tire & Rubber Co. 582,129 $18,537,898
The Hanover Insurance Group, Inc. 189,054 $13,456,864
The Hartford Financial Services Group, Inc. 426,548 $17,535,388
The JM Smucker Co. 119,072 $14,115,986
The NASDAQ OMX Group, Inc. 344,450 $17,825,288
Total System Services, Inc. 293,807 $12,104,848
Towers Watson & Co. 66,459 $9,168,019
United Continental Holdings, Inc. 350,383 $19,127,408
Unum Group 461,342 $16,128,516
USG Corp. 388,494 $11,204,167
Voya Financial, Inc. 403,921 $18,301,661
Westar Energy, Inc. 296,702 $10,880,062
Whirlpool Corp. 76,314 $14,060,855
XL Group Plc 371,074 $13,982,068
Zimmer Holdings, Inc. 167,852 $19,150,235

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.