Dark
Light
System
Security
GTT COMMUNICATIONS INC COM
GTT COMMUNICATIONS INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 106 Institutional holders with a total value of $372,744,344.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GILDER GAGNON HOWE & CO LLC 2,433,450 41,515,000 11.14%
2 COLUMBIA WANGER ASSET MANAGEMENT LLC 2,036,427 34,741,000 9.32%
3 SPITFIRE CAPITAL LLC 1,352,332 23,071,000 6.19%
4 CANNELL CAPITAL LLC 1,302,719 22,224,000 5.96%
5 EMERALD ADVISERS, LLC 968,433 16,521,000 4.43%
6 Pembroke Management, LTD 951,176 16,227,000 4.35%
7 Trafelet Capital Management, L.P. 853,405 14,559,000 3.91%
8 VANGUARD GROUP INC 830,436 14,167,000 3.80%
9 DRIEHAUS CAPITAL MANAGEMENT LLC 804,313 13,722,000 3.68%
10 Lyon Street Capital, LLC 796,291 13,585,000 3.64%
11 EMERALD MUTUAL FUND ADVISERS TRUST 783,041 13,359,000 3.58%
12 BlackRock Fund Advisors 660,390 11,266,000 3.02%
13 DIMENSIONAL FUND ADVISORS LP 597,047 10,186,000 2.73%
14 WEATHERBIE CAPITAL, LLC 595,837 10,165,000 2.73%
15 BlackRock Institutional Trust Company, N.A. 392,398 6,694,000 1.80%
16 STATE STREET CORP 392,078 6,687,000 1.79%
17 CASTLEARK MANAGEMENT LLC 337,540 5,758,000 1.54%
18 Harvey Partners, LLC 310,000 5,289,000 1.42%
19 NORTHERN TRUST CORP 279,015 4,760,000 1.28%
20 Nicholas Investment Partners, LP 253,249 4,320,000 1.16%
21 BANK OF AMERICA CORP /DE/ 249,295 4,252,000 1.14%
22 AlphaOne Investment Services, LLC 229,545 3,915,000 1.05%
23 WALL STREET ASSOCIATES 216,922 3,701,000 0.99%
24 Allianz Asset Management GmbH 214,416 3,658,000 0.98%
25 FEDERATED HERMES, INC. 205,000 3,497,000 0.94%
26 WADDELL & REED FINANCIAL INC 200,700 3,424,000 0.92%
27 Invesco Ltd. 198,756 3,391,000 0.91%
28 Timpani Capital Management LLC 193,095 3,294,000 0.88%
29 PUTNAM INVESTMENTS LLC 187,938 3,206,000 0.86%
30 Bank of New York Mellon Corp 187,433 3,198,000 0.86%
31 GEODE CAPITAL MANAGEMENT, LLC 185,170 3,159,000 0.85%
32 Granahan Investment Management, LLC 159,106 2,714,000 0.73%
33 Informed Momentum Co LLC 148,421 2,532,000 0.68%
34 RENAISSANCE TECHNOLOGIES LLC 129,700 2,213,000 0.59%
35 RUSSELL FRANK CO/ 121,516 2,080,000 0.56%
36 AMERIPRISE FINANCIAL INC 117,535 2,004,000 0.54%
37 S Squared Technology, LLC 115,577 1,972,000 0.53%
38 DEUTSCHE BANK AG\ 100,073 1,706,000 0.46%
39 TFS CAPITAL LLC 91,016 1,553,000 0.42%
40 MILLENNIUM MANAGEMENT LLC 87,830 1,498,000 0.40%
41 BlackRock Investment Management, LLC 85,943 1,466,000 0.39%
42 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 83,154 1,419,000 0.38%
43 UNITED SERVICES AUTOMOBILE ASSOCIATION 80,300 1,370,000 0.37%
44 TIAA CREF INVESTMENT MANAGEMENT LLC 76,634 1,307,000 0.35%
45 Catalyst Capital Advisors LLC 66,000 1,126,000 0.30%
46 Vident Investment Advisory, LLC 64,117 1,094,000 0.29%
47 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 63,200 1,078,000 0.29%
48 WILLIAMS JONES & ASSOCIATES LLC 61,095 1,042,000 0.28%
49 MESSNER & SMITH THEME VALUE INVESTMENT MANAGEMENT LTD /CA/ 57,982 989,000 0.27%
50 Nationwide Fund Advisors 49,438 843,000 0.23%
Page 1 of 3

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.