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) 13,670

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 7.87%
Financial 12.27%
Healthcare 12.31%
Services 11.39%
Technology 21.37%
Transportation 5.11%
Utilities 0.83%

334 Activity Positions as of 12/31/2013

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
WEX INC COM 90,111 -22,174 (19.75) 981,811
KIRBY CORP COM 87,557 3,200 3.79 863,656
INSULET CORP COM 85,696 -14,964 (14.87) 1,969,124
MYLAN INC COM 85,612 85,612 New 1,824,641
LENNOX INTL INC COM 84,176 464 .55 942,724
TRIQUINT SEMICONDUCTOR INC COM 82,238 9,517 13.09 6,239,627
DELPHI AUTOMOTIVE PLC SHS 81,982 -3,318 (3.89) 1,219,970
O REILLY AUTOMOTIVE INC NEW COM 81,118 -3,414 (4.04) 553,932
STARWOOD HOTELS&RESORTS WRLDWD COM 80,538 29,056 56.44 1,038,125
INTEROIL CORP COM 78,478 -57,721 (42.38) 1,201,432
GENESEE & WYO INC CL A 75,493 16,302 27.54 778,840
TESSERA TECHNOLOGIES INC COM 73,965 -297 (0.4) 3,333,278
AVAGO TECHNOLOGIES LTD SHS 72,022 71,289 9,734.69 1,182,818
CARLISLE COS INC COM 71,550 -2,540 (3.43) 911,928
CAESARSTONE SDOT-YAM LTD ORD SHS 68,949 -3,233 (4.48) 1,248,176
PENTAIR LTD SHS 68,524 13,248 23.97 861,392
CONCHO RES INC COM 68,503 718 1.06 514,284
HUB GROUP INC CL A 68,305 -18,463 (21.28) 1,593,666
JACOBS ENGR GROUP INC DEL COM 66,938 -2,263 (3.27) 1,050,336
IHS INC CL A 65,625 16,216 32.82 553,609