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

Institutional Holders (2016Q2)
Portfolio Summary: 105 Institutional holders with a total value of $424,617,775.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GILDER GAGNON HOWE & CO LLC 2,169,421 40,091,000 9.44%
2 DIMENSIONAL FUND ADVISORS LP 1,562,617 28,877,000 6.80%
3 Pembroke Management, LTD 1,393,376 25,749,000 6.06%
4 SPITFIRE CAPITAL LLC 1,364,832 25,222,000 5.94%
5 Lyon Street Capital, LLC 1,098,560 20,301,000 4.78%
6 WEATHERBIE CAPITAL, LLC 1,055,195 19,500,000 4.59%
7 CANNELL CAPITAL LLC 1,009,281 18,652,000 4.39%
8 VANGUARD GROUP INC 989,797 18,291,000 4.31%
9 EMERALD ADVISERS, LLC 982,513 18,157,000 4.28%
10 EMERALD MUTUAL FUND ADVISERS TRUST 855,261 15,805,000 3.72%
11 Trafelet Capital Management, L.P. 826,174 15,268,000 3.60%
12 BlackRock Fund Advisors 684,649 12,652,000 2.98%
13 DRIEHAUS CAPITAL MANAGEMENT LLC 604,457 11,170,000 2.63%
14 BlackRock Institutional Trust Company, N.A. 549,282 10,151,000 2.39%
15 KALMAR INVESTMENTS INC /DE/ 544,109 10,055,000 2.37%
16 ROYAL BANK OF CANADA 529,843 9,791,000 2.31%
17 STATE STREET CORP 388,409 7,180,000 1.69%
18 FEDERATED HERMES, INC. 370,000 6,838,000 1.61%
19 CASTLEARK MANAGEMENT LLC 346,555 6,404,000 1.51%
20 NORTHERN TRUST CORP 319,759 5,909,000 1.39%
21 Penn Capital Management Company, LLC 319,119 5,897,000 1.39%
22 PUTNAM INVESTMENTS LLC 299,138 5,528,000 1.30%
23 BANK OF AMERICA CORP /DE/ 276,128 5,104,000 1.20%
24 AlphaOne Investment Services, LLC 261,906 4,841,000 1.14%
25 EMERALD ACQUISITION LTD. 232,348 4,294,000 1.01%
26 WADDELL & REED FINANCIAL INC 228,400 4,221,000 0.99%
27 PROSPECT CAPITAL ADVISORS, LLC 226,800 4,191,000 0.99%
28 GEODE CAPITAL MANAGEMENT, LLC 201,890 3,730,000 0.88%
29 Allianz Asset Management GmbH 200,081 3,697,000 0.87%
30 S Squared Technology, LLC 190,577 3,522,000 0.83%
31 WILLIAMS JONES & ASSOCIATES LLC 177,460 3,279,000 0.77%
32 Granahan Investment Management, LLC 175,006 3,234,000 0.76%
33 WALL STREET ASSOCIATES 157,319 2,907,000 0.68%
34 FMR LLC 143,125 2,645,000 0.62%
35 Timpani Capital Management LLC 142,937 2,641,000 0.62%
36 Bank of New York Mellon Corp 134,139 2,478,000 0.58%
37 Nicholas Investment Partners, LP 125,846 2,326,000 0.55%
38 Harvey Partners, LLC 120,000 2,218,000 0.52%
39 BlackRock Investment Management, LLC 102,357 1,892,000 0.45%
40 OSTERWEIS CAPITAL MANAGEMENT INC 100,000 1,848,000 0.44%
41 GAM Holding AG 95,389 1,762,000 0.41%
42 UNITED SERVICES AUTOMOBILE ASSOCIATION 92,100 1,702,000 0.40%
43 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 87,968 1,626,000 0.38%
44 TIAA CREF INVESTMENT MANAGEMENT LLC 81,686 1,510,000 0.36%
45 Nationwide Fund Advisors 68,381 1,264,000 0.30%
46 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 55,310 1,022,000 0.24%
47 RENAISSANCE TECHNOLOGIES LLC 55,200 1,020,000 0.24%
48 Swiss National Bank 50,200 928,000 0.22%
49 MESSNER & SMITH THEME VALUE INVESTMENT MANAGEMENT LTD /CA/ 46,463 858,000 0.20%
50 CADENCE CAPITAL MANAGEMENT LLC 44,527 823,000 0.19%
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.