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GIGAMON INC
GIGAMON INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 94 Institutional holders with a total value of $226,540,361.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Highland Management Partners VII, LLC 5,774,500 60,459,000 26.69%
2 NORTH RUN CAPITAL, LP 3,000,000 31,410,000 13.87%
3 Granahan Investment Management, LLC 1,318,600 13,806,000 6.09%
4 VANGUARD GROUP INC 1,154,673 12,090,000 5.34%
5 Point72 Asset Management, L.P. 850,800 8,908,000 3.93%
6 Alyeska Investment Group, L.P. 695,048 7,277,000 3.21%
7 KINGDON CAPITAL MANAGEMENT, L.L.C. 583,390 6,108,000 2.70%
8 BlackRock Fund Advisors 577,067 6,042,000 2.67%
9 Neuberger Berman Group LLC 541,364 5,668,000 2.50%
10 MARXE AUSTIN W & GREENHOUSE DAVID M 467,966 4,900,000 2.16%
11 QUENTEC ASSET MANAGEMENT LLC 447,910 4,690,000 2.07%
12 Clearline Capital LP 382,753 4,007,000 1.77%
13 GILDER GAGNON HOWE & CO LLC 381,857 3,998,000 1.76%
14 HARBER ASSET MANAGEMENT LLC 309,235 3,238,000 1.43%
15 STATE STREET CORP 266,451 2,788,000 1.23%
16 NORTHERN TRUST CORP 263,472 2,759,000 1.22%
17 STATE OF WISCONSIN INVESTMENT BOARD 260,000 2,722,000 1.20%
18 Paloma Partners Management Co 260,000 2,722,000 1.20% Call
19 BlackRock Institutional Trust Company, N.A. 250,396 2,622,000 1.16%
20 CADIAN CAPITAL MANAGEMENT, LP 250,000 2,618,000 1.16%
21 FMR LLC 248,600 2,603,000 1.15%
22 MAK CAPITAL ONE LLC 203,962 2,136,000 0.94%
23 DEUTSCHE BANK AG\ 203,871 2,132,000 0.94%
24 GOLDMAN SACHS GROUP INC 170,602 1,786,000 0.79%
25 Bank of New York Mellon Corp 154,771 1,620,000 0.72%
26 A.R.T. Advisors, LLC 154,216 1,614,000 0.71%
27 Paloma Partners Management Co 150,000 1,571,000 0.69%
28 RENAISSANCE TECHNOLOGIES LLC 132,800 1,390,000 0.61%
29 Granite Investment Partners, LLC 132,151 1,384,000 0.61%
30 PEAK6 Group LLC 129,692 1,358,000 0.60%
31 UNITED SERVICES AUTOMOBILE ASSOCIATION 116,465 1,219,000 0.54%
32 Harvey Partners, LLC 112,000 1,173,000 0.52%
33 CITADEL ADVISORS LLC 108,061 1,131,000 0.50%
34 GEODE CAPITAL MANAGEMENT, LLC 102,677 1,075,000 0.47%
35 TIAA CREF INVESTMENT MANAGEMENT LLC 94,078 985,000 0.43%
36 SUSQUEHANNA INTERNATIONAL GROUP, LLP 90,100 943,000 0.42% Call
37 GROUP ONE TRADING LLC 88,471 926,000 0.41%
38 KOPP INVESTMENT ADVISORS LLC 79,950 837,000 0.37%
39 MORGAN STANLEY 74,399 778,000 0.34%
40 BlackRock Investment Management, LLC 71,586 750,000 0.33%
41 FIRST MANHATTAN CO. LLC. 64,700 677,000 0.30%
42 MARSHALL WACE, LLP 62,789 657,000 0.29%
43 SUSQUEHANNA INTERNATIONAL GROUP, LLP 62,110 650,000 0.29%
44 SUSQUEHANNA INTERNATIONAL GROUP, LLP 57,800 605,000 0.27% Put
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 55,996 587,000 0.26%
46 Employees Retirement System of Texas 56,000 586,000 0.26%
47 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 44,653 468,000 0.21%
48 PARAMETRIC PORTFOLIO ASSOCIATES LLC 38,708 405,000 0.18%
49 TEACHERS ADVISORS, LLC 34,357 360,000 0.16%
50 Partnervest Advisory Services LLC 31,300 328,000 0.14%
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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.