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

Institutional Holders (2015Q2)
Portfolio Summary: 86 Institutional holders with a total value of $432,264,561.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 COLUMBIA WANGER ASSET MANAGEMENT LLC 2,502,088 59,725,000 13.82%
2 GILDER GAGNON HOWE & CO LLC 1,963,824 46,876,000 10.84%
3 CANNELL CAPITAL LLC 1,745,516 41,665,000 9.64%
4 SPITFIRE CAPITAL LLC 1,381,432 32,975,000 7.63%
5 Pembroke Management, LTD 951,994 22,724,000 5.26%
6 EMERALD ADVISERS, LLC 796,139 19,004,000 4.40%
7 VANGUARD GROUP INC 746,842 17,827,000 4.12%
8 WALL STREET ASSOCIATES 664,827 15,869,000 3.67%
9 BlackRock Fund Advisors 639,445 15,264,000 3.53%
10 EMERALD MUTUAL FUND ADVISERS TRUST 588,787 14,054,000 3.25%
11 Trafelet Capital Management, L.P. 586,932 14,010,000 3.24%
12 DRIEHAUS CAPITAL MANAGEMENT LLC 553,937 13,222,000 3.06%
13 DIMENSIONAL FUND ADVISORS LP 353,236 8,432,000 1.95%
14 Harvey Partners, LLC 310,000 7,400,000 1.71%
15 AlphaOne Investment Services, LLC 298,721 7,131,000 1.65%
16 STATE STREET CORP 295,971 7,066,000 1.63%
17 Allianz Asset Management GmbH 291,738 6,964,000 1.61%
18 Granahan Investment Management, LLC 286,800 6,846,000 1.58%
19 Lyon Street Capital, LLC 250,683 5,984,000 1.38%
20 Nicholas Investment Partners, LP 240,410 5,739,000 1.33%
21 Informed Momentum Co LLC 192,039 4,584,000 1.06%
22 BlackRock Institutional Trust Company, N.A. 183,053 4,369,000 1.01%
23 NORTHERN TRUST CORP 147,785 3,528,000 0.82%
24 Bank of New York Mellon Corp 141,227 3,372,000 0.78%
25 FEDERATED HERMES, INC. 125,000 2,984,000 0.69%
26 MESSNER & SMITH THEME VALUE INVESTMENT MANAGEMENT LTD /CA/ 116,063 2,770,000 0.64%
27 Timpani Capital Management LLC 111,648 2,665,000 0.62%
28 S Squared Technology, LLC 105,577 2,421,000 0.56%
29 BANK OF AMERICA CORP /DE/ 99,474 2,374,000 0.55%
30 BlackRock Investment Management, LLC 86,976 2,076,000 0.48%
31 Vident Investment Advisory, LLC 86,291 2,060,000 0.48%
32 TIAA CREF INVESTMENT MANAGEMENT LLC 83,723 1,998,000 0.46%
33 UNITED SERVICES AUTOMOBILE ASSOCIATION 79,100 1,888,000 0.44%
34 Invesco Ltd. 74,972 1,790,000 0.41%
35 RUSSELL FRANK CO/ 69,607 1,661,000 0.38%
36 WILLIAMS JONES & ASSOCIATES LLC 69,560 1,660,000 0.38%
37 ANALYTIC INVESTORS, LLC 53,359 1,273,000 0.29%
38 MORGAN STANLEY 49,535 1,182,000 0.27%
39 CITADEL ADVISORS LLC 46,834 1,118,000 0.26%
40 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 44,657 1,066,000 0.25%
41 NEW YORK STATE COMMON RETIREMENT FUND 41,855 999,000 0.23%
42 CREDIT SUISSE AG/ 38,585 921,000 0.21%
43 TEACHERS ADVISORS, LLC 35,478 847,000 0.20%
44 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 32,943 787,000 0.18%
45 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 32,900 785,000 0.18%
46 ALLIANCEBERNSTEIN L.P. 32,200 769,000 0.18%
47 DEUTSCHE BANK AG\ 30,013 716,000 0.17%
48 Calamos Advisors LLC 28,800 687,000 0.16%
49 MILLENNIUM MANAGEMENT LLC 28,291 675,000 0.16%
50 TWO SIGMA INVESTMENTS, LP 27,878 665,000 0.15%
Page 1 of 2

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.