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

Institutional Holders (2016Q1)
Portfolio Summary: 96 Institutional holders with a total value of $366,846,021.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GILDER GAGNON HOWE & CO LLC 2,222,668 36,763,000 10.02%
2 COLUMBIA WANGER ASSET MANAGEMENT LLC 1,634,780 27,039,000 7.37%
3 Pembroke Management, LTD 1,433,576 23,711,000 6.46%
4 CANNELL CAPITAL LLC 1,421,939 23,519,000 6.41%
5 Lyon Street Capital, LLC 1,371,786 22,689,000 6.18%
6 SPITFIRE CAPITAL LLC 1,352,332 22,368,000 6.10%
7 EMERALD ADVISERS, LLC 965,483 15,969,000 4.35%
8 VANGUARD GROUP INC 870,078 14,391,000 3.92%
9 Trafelet Capital Management, L.P. 866,174 14,327,000 3.91%
10 EMERALD MUTUAL FUND ADVISERS TRUST 768,641 12,713,000 3.47%
11 WEATHERBIE CAPITAL, LLC 678,128 11,216,000 3.06%
12 BlackRock Fund Advisors 630,943 10,436,000 2.84%
13 DIMENSIONAL FUND ADVISORS LP 599,374 9,914,000 2.70%
14 DRIEHAUS CAPITAL MANAGEMENT LLC 541,722 8,960,000 2.44%
15 BlackRock Institutional Trust Company, N.A. 428,567 7,088,000 1.93%
16 STATE STREET CORP 397,554 6,580,000 1.79%
17 KALMAR INVESTMENTS INC /DE/ 346,845 5,737,000 1.56%
18 CASTLEARK MANAGEMENT LLC 328,670 5,436,000 1.48%
19 PUTNAM INVESTMENTS LLC 299,138 4,947,000 1.35%
20 ROYAL BANK OF CANADA 291,746 4,826,000 1.32%
21 NORTHERN TRUST CORP 287,109 4,749,000 1.29%
22 AlphaOne Investment Services, LLC 255,176 4,221,000 1.15%
23 FEDERATED HERMES, INC. 250,000 4,135,000 1.13%
24 BANK OF AMERICA CORP /DE/ 247,061 4,086,000 1.11%
25 WADDELL & REED FINANCIAL INC 228,400 3,778,000 1.03%
26 Allianz Asset Management GmbH 203,699 3,369,000 0.92%
27 GEODE CAPITAL MANAGEMENT, LLC 198,215 3,278,000 0.89%
28 RENAISSANCE TECHNOLOGIES LLC 197,200 3,262,000 0.89%
29 S Squared Technology, LLC 190,577 3,152,000 0.86%
30 Granahan Investment Management, LLC 172,006 2,845,000 0.78%
31 Harvey Partners, LLC 162,900 2,694,000 0.73%
32 RUSSELL FRANK CO/ 157,854 2,611,000 0.71%
33 WALL STREET ASSOCIATES 157,319 2,602,000 0.71%
34 Timpani Capital Management LLC 152,322 2,519,000 0.69%
35 WILLIAMS JONES & ASSOCIATES LLC 146,095 2,416,000 0.66%
36 Bank of New York Mellon Corp 129,217 2,138,000 0.58%
37 Nicholas Investment Partners, LP 120,093 1,986,000 0.54%
38 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 95,821 1,585,000 0.43%
39 UNITED SERVICES AUTOMOBILE ASSOCIATION 89,100 1,474,000 0.40%
40 BlackRock Investment Management, LLC 87,032 1,440,000 0.39%
41 TIAA CREF INVESTMENT MANAGEMENT LLC 76,634 1,268,000 0.35%
42 Nationwide Fund Advisors 66,653 1,102,000 0.30%
43 A.R.T. Advisors, LLC 64,600 1,068,000 0.29%
44 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 51,820 857,000 0.23%
45 Swiss National Bank 48,800 783,000 0.21%
46 MESSNER & SMITH THEME VALUE INVESTMENT MANAGEMENT LTD /CA/ 46,873 776,000 0.21%
47 ANALYTIC INVESTORS, LLC 41,425 685,000 0.19%
48 TWO SIGMA INVESTMENTS, LP 40,841 676,000 0.18%
49 True Bearing Asset Management LP 40,400 668,000 0.18%
50 Parkwood LLC 37,373 618,000 0.17%
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.