FRONTIER CAPITAL MANAGEMENT CO LLC Information

99 SUMMER STREET, BOSTON, Massachusetts, 02110,

Report Date: 03/31/2013

Position Statistics:

Total Positions 342
New Positions 29
Increased Positions 180
Decreased Positions 162
Positions with Activity 342
Sold Out Positions 27
Total Mkt Value
(in $ millions)
11,303

Sector Weighting

Basic Materials 7.3%
Capital Goods 9.44%
Conglomerates 0.05%
Consumer Cyclical 7.73%
Consumer/Non-Cyclical 0.51%
Energy 8.46%
Financial 11.87%
Healthcare 13.46%
Services 15.32%
Technology 21.02%
Transportation 4.55%
Utilities 0.3%

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

342 Activity Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
NEWELL RUBBERMAID INC COM 9,184 417 4.76 332,279
HORSEHEAD HLDG CORP COM 9,117 -155 (1.67) 790,057
QIAGEN NV REG SHS 8,987 -169 (1.85) 481,080
FLUSHING FINL CORP COM 8,893 355 4.15 563,175
PINNACLE FINL PARTNERS INC COM 8,853 1,169 15.21 347,741
APOGEE ENTERPRISES INC COM 8,842 -14,958 (62.85) 326,883
VERIFONE SYS INC COM 8,842 -132 (1.47) 384,420
U S AIRWAYS GROUP INC COM 8,704 -206 (2.31) 485,433
WSFS FINL CORP COM 8,544 376 4.60 171,294
LPL FINL HLDGS INC COM 8,539 -156 (1.8) 230,410
MODINE MFG CO COM 8,448 5,678 205.03 886,430
FIRST HORIZON NATL CORP COM 8,377 3,889 86.66 748,658
SILICON LABORATORIES INC COM 8,343 -177 (2.08) 192,180
NANOSPHERE INC COM 8,001 -133 (1.64) 2,162,524
JACOBS ENGR GROUP INC DEL COM 7,971 -160 (1.97) 146,066
CONSOL ENERGY INC COM 7,806 -26 (0.34) 221,380
TJX COS INC NEW COM 7,711 1,020 15.24 153,520
SM ENERGY CO COM 7,698 427 5.87 122,150
CORE LABORATORIES N V COM 7,596 -9,713 (56.12) 52,448
APPLE INC COM 7,491 839 12.61 16,973

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