Dark
Light
System
Institutional Investment Manager
FRONTIER CAPITAL MANAGEMENT CO LLC
FRONTIER CAPITAL MANAGEMENT CO LLC (CIK: 0000351173) incorporated in Delaware, located at 99 Summer St, Boston, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q1)
Portfolio Summary: 363 holdings with a total value of $13,850,160,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 RAYMOND JAMES FINANC 4,194,836 238,183,000 1.72%
2 ELECTRONIC ARTS INC 3,853,083 226,619,000 1.64%
3 FORTINET 5,329,377 186,262,000 1.34%
4 MEDNAX INC 2,486,329 180,284,000 1.30%
5 CARRIZO OIL & GAS INC 3,565,671 177,036,000 1.28%
6 EAGLE MATERIALS INC 2,008,799 167,855,000 1.21%
7 COGENT COMMUNICATIONS HLDGS IN COM NEW 4,496,786 158,871,000 1.15%
8 DSW INC CL A 4,029,147 148,595,000 1.07%
9 AMERICAN AIRLS GROUP INC 2,754,303 145,372,000 1.05%
10 UNITED CONTINENTAL H 2,150,215 144,602,000 1.04%
11 BELDEN INC 1,536,662 143,770,000 1.04%
12 COOPER COS INC 764,566 143,295,000 1.03%
13 ILLUMINA INC 746,268 138,537,000 1.00%
14 CENTENE CORP DEL 1,951,045 137,919,000 1.00%
15 HARMAN INTL INDS INC 1,019,040 136,174,000 0.98%
16 NXP SEMICONDUCTORS N V 1,340,098 134,492,000 0.97%
17 SIGNATURE BANK 1,003,569 130,042,000 0.94%
18 ALKERMES PLC SHS 2,129,590 129,841,000 0.94%
19 LKQ CORP 5,044,503 128,937,000 0.93%
20 WATSCO INC 993,232 124,849,000 0.90%
21 SYNAPTICS INC 1,506,628 122,496,000 0.88%
22 KAR AUCTION SVCS INC 3,063,301 116,191,000 0.84%
23 HUMANA 642,154 114,316,000 0.83%
24 SHERWIN WILLIAMS CO 398,008 113,233,000 0.82%
25 QORVO 1,400,411 111,613,000 0.81%
26 AKAMAI TECH 1,561,334 110,925,000 0.80%
27 GLOBAL PAYMENTS 1,199,259 109,948,000 0.79%
28 QLOGIC CORP 7,283,041 107,352,000 0.78%
29 WABTEC 1,123,632 106,756,000 0.77%
30 ALLIANCE DATA SYSTEM 357,868 106,018,000 0.77%
31 ROSS STORES INC 1,004,566 105,841,000 0.76%
32 IMAX CORP COM 3,129,864 105,508,000 0.76%
33 AVAGO TECHNOLOGIES LTD SHS 809,159 102,747,000 0.74%
34 INTREXON CORP 2,254,212 102,274,000 0.74%
35 ALLIED WRLD ASSUR COM HLDG A 2,415,583 97,590,000 0.70%
36 ELLIE MAE INCORPORATED 1,740,053 96,242,000 0.69%
37 HENRY JACK & ASSOC INC COM 1,363,664 95,306,000 0.69%
38 ETRADE GROUP 3,217,165 91,866,000 0.66%
39 MOLINA HEALTHCARE INC 1,361,272 91,600,000 0.66%
40 SPIRIT AIRLS INC 1,140,644 88,240,000 0.64%
41 AMPHENOL CORP NEW CL A 1,453,800 85,672,000 0.62%
42 DEXCOM 1,357,689 84,638,000 0.61%
43 INCYTE 884,596 81,082,000 0.59%
44 Tessera Technologies Inc 1,961,046 78,991,000 0.57%
45 FLEETMATICS GROUP PLC 1,758,325 78,861,000 0.57%
46 BRUNSWICK CORP 1,505,900 77,479,000 0.56%
47 CYTEC INDUSTRIES INC 1,416,609 76,554,000 0.55%
48 SS&C TECHNOLOGIES HLDGS INC 1,219,435 75,971,000 0.55%
49 AON PLC 776,957 74,681,000 0.54%
50 HAIN CELESTIAL GROUP INC COM 1,154,323 73,934,000 0.53%
Page 1 of 8

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000950123-15-004896, filed 2015.05.04).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.