FRONTIER CAPITAL MANAGEMENT CO LLC Information

99 SUMMER STREET, BOSTON, Massachusetts, 02110,

Report Date: 12/31/2013

Position Statistics

Total Positions 334
New Positions 16
Increased Positions 128
Decreased Positions 206
Positions with Activity 334
Sold Out Positions 25
Total Mkt Value (in $ millions) 13,284

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

Sector Weighting

Basic Materials 6.66%
Capital Goods 11.91%
Conglomerates 0.08%
Consumer Cyclical 8.41%
Consumer/Non-Cyclical 0.44%
Energy 7.63%
Financial 12.4%
Healthcare 12.35%
Services 11.45%
Technology 21.36%
Transportation 5.05%
Utilities 0.85%

334 Activity Positions as of 12/31/2013

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
DTS INC COM 14,527 -232 (1.57) 772,730
ORBITAL SCIENCES CORP COM 14,470 -3,842 (20.98) 573,080
FURMANITE CORPORATION COM 14,407 1,603 12.52 1,602,535
MARTIN MARIETTA MATLS INC COM 14,196 -157 (1.09) 114,110
TIDEWATER INC COM 14,014 1,525 12.21 294,972
CIBER INC COM 13,964 432 3.20 3,308,899
PACKAGING CORP AMER COM 13,844 -373 (2.62) 208,772
LITTELFUSE INC COM 13,621 484 3.68 141,801
TEXAS CAPITAL BANCSHARES INC COM 13,535 446 3.41 221,558
ALTERA CORP COM 13,349 -175 (1.3) 394,829
INTERNATIONAL RECTIFIER CORP COM 13,127 -213 (1.6) 516,014
LIFELOCK INC COM 13,047 9,487 266.53 866,331
PERICOM SEMICONDUCTOR CORP COM 12,383 513 4.32 1,612,411
HEARTWARE INTL INC COM 11,998 -5,511 (31.47) 147,646
HORSEHEAD HLDG CORP COM 11,995 -177 (1.45) 758,717
UNIVERSAL DISPLAY CORP COM 11,916 477 4.17 413,037
BLACKHAWK NETWORK HLDGS INC CL A 11,875 -910 (7.12) 497,893
JETBLUE AIRWAYS CORP COM 11,865 -178 (1.48) 1,407,450
TILLYS INC CL A 11,793 -857 (6.77) 1,086,891
QUIKSILVER INC COM 11,267 1,196 11.87 1,730,731