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GTT COMMUNICATIONS INC COM
GTT COMMUNICATIONS INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 85 Institutional holders with a total value of $462,277,477.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GILDER GAGNON HOWE & CO LLC 2,469,892 57,450,000 12.43%
2 COLUMBIA WANGER ASSET MANAGEMENT LLC 2,003,844 46,609,000 10.08%
3 CANNELL CAPITAL LLC 1,453,566 33,810,000 7.31%
4 SPITFIRE CAPITAL LLC 1,352,332 31,455,000 6.80%
5 Pembroke Management, LTD 1,043,976 24,282,000 5.25%
6 DRIEHAUS CAPITAL MANAGEMENT LLC 838,625 19,506,000 4.22%
7 EMERALD ADVISERS, LLC 829,387 19,292,000 4.17%
8 VANGUARD GROUP INC 788,467 18,340,000 3.97%
9 Trafelet Capital Management, L.P. 756,845 17,604,000 3.81%
10 EMERALD MUTUAL FUND ADVISERS TRUST 732,186 17,031,000 3.68%
11 BlackRock Fund Advisors 632,395 14,710,000 3.18%
12 DIMENSIONAL FUND ADVISORS LP 470,717 10,949,000 2.37%
13 Lyon Street Capital, LLC 452,162 10,517,000 2.28%
14 STATE STREET CORP 371,539 8,642,000 1.87%
15 WALL STREET ASSOCIATES 334,262 7,775,000 1.68%
16 BlackRock Institutional Trust Company, N.A. 310,260 7,217,000 1.56%
17 Harvey Partners, LLC 310,000 7,211,000 1.56%
18 CASTLEARK MANAGEMENT LLC 307,540 7,153,000 1.55%
19 Granahan Investment Management, LLC 286,800 6,671,000 1.44%
20 Allianz Asset Management GmbH 258,925 6,023,000 1.30%
21 NORTHERN TRUST CORP 248,211 5,774,000 1.25%
22 BANK OF AMERICA CORP /DE/ 240,936 5,603,000 1.21%
23 AlphaOne Investment Services, LLC 238,191 5,541,000 1.20%
24 Nicholas Investment Partners, LP 221,502 5,152,000 1.11%
25 WADDELL & REED FINANCIAL INC 200,700 4,668,000 1.01%
26 GEODE CAPITAL MANAGEMENT, LLC 184,582 4,293,000 0.93%
27 DEUTSCHE BANK AG\ 171,678 3,992,000 0.86%
28 WEATHERBIE CAPITAL, LLC 163,930 3,813,000 0.82%
29 Informed Momentum Co LLC 159,582 3,712,000 0.80%
30 Bank of New York Mellon Corp 135,822 3,160,000 0.68%
31 FEDERATED HERMES, INC. 117,500 2,733,000 0.59%
32 Timpani Capital Management LLC 114,822 2,671,000 0.58%
33 Invesco Ltd. 111,019 2,582,000 0.56%
34 S Squared Technology, LLC 105,577 2,456,000 0.53%
35 Vident Investment Advisory, LLC 98,330 2,287,000 0.49%
36 RUSSELL FRANK CO/ 95,249 2,216,000 0.48%
37 BlackRock Investment Management, LLC 85,990 2,000,000 0.43%
38 ANALYTIC INVESTORS, LLC 83,281 1,937,000 0.42%
39 TIAA CREF INVESTMENT MANAGEMENT LLC 81,417 1,894,000 0.41%
40 UNITED SERVICES AUTOMOBILE ASSOCIATION 79,100 1,840,000 0.40%
41 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 72,669 1,691,000 0.37%
42 Catalyst Capital Advisors LLC 66,000 1,536,000 0.33%
43 PDT Partners, LLC 64,055 1,490,000 0.32%
44 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 63,200 1,470,000 0.32%
45 MORGAN STANLEY 53,160 1,236,000 0.27%
46 RENAISSANCE TECHNOLOGIES LLC 51,300 1,193,000 0.26%
47 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 44,457 1,034,000 0.22%
48 NEW YORK STATE COMMON RETIREMENT FUND 37,373 869,000 0.19%
49 WILLIAMS JONES & ASSOCIATES LLC 36,195 842,000 0.18%
50 TEACHERS ADVISORS, LLC 35,478 825,000 0.18%
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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.