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

Institutional Holders (2014Q2)
Portfolio Summary: 118 Institutional holders with a total value of $411,331,997.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Highland Management Partners VII, LLC 5,774,500 110,524,000 26.87%
2 JPMORGAN CHASE & CO 1,722,211 32,962,000 8.01%
3 NORTH RUN CAPITAL, LP 1,216,800 23,290,000 5.66%
4 Granahan Investment Management, LLC 1,137,400 21,770,000 5.29%
5 VANGUARD GROUP INC 1,126,043 21,552,000 5.24%
6 Point72 Asset Management, L.P. 687,500 13,159,000 3.20%
7 BlackRock Fund Advisors 595,567 11,399,000 2.77%
8 KINGDON CAPITAL MANAGEMENT, L.L.C. 583,390 11,166,000 2.71%
9 FRED ALGER MANAGEMENT, LLC 522,897 10,008,000 2.43%
10 Neuberger Berman Group LLC 438,851 8,400,000 2.04%
11 Polar Capital LLP 409,357 7,835,000 1.90%
12 GILDER GAGNON HOWE & CO LLC 390,796 7,480,000 1.82%
13 TEACHERS ADVISORS, LLC 380,110 7,275,000 1.77%
14 THORNBURG INVESTMENT MANAGEMENT INC 328,032 6,279,000 1.53%
15 MARXE AUSTIN W & GREENHOUSE DAVID M 287,967 5,512,000 1.34%
16 STATE STREET CORP 267,845 5,128,000 1.25%
17 BlackRock Institutional Trust Company, N.A. 262,426 5,023,000 1.22%
18 Paloma Partners Management Co 260,000 4,976,000 1.21% Call
19 STATE OF WISCONSIN INVESTMENT BOARD 260,000 4,976,000 1.21%
20 WALL STREET ASSOCIATES 257,511 4,929,000 1.20%
21 DIKER MANAGEMENT LLC 247,700 4,741,000 1.15%
22 FULLER & THALER ASSET MANAGEMENT, INC. 240,250 4,598,000 1.12%
23 ROYCE & ASSOCIATES LP 220,548 4,221,000 1.03%
24 SUSQUEHANNA INTERNATIONAL GROUP, LLP 205,600 3,935,000 0.96% Call
25 Paloma Partners Management Co 200,000 3,828,000 0.93%
26 MARSHALL WACE, LLP 180,923 3,463,000 0.84%
27 SUSQUEHANNA INTERNATIONAL GROUP, LLP 143,374 2,744,000 0.67%
28 HARBER ASSET MANAGEMENT LLC 142,572 2,729,000 0.66%
29 Elk Creek Partners, LLC 138,347 2,648,000 0.64%
30 Altimeter Capital Management, LP 135,000 2,584,000 0.63%
31 Bank of New York Mellon Corp 129,037 2,469,000 0.60%
32 NORTHERN TRUST CORP 123,580 2,365,000 0.57%
33 J. Goldman & Co LP 120,000 2,297,000 0.56% Call
34 MORGAN STANLEY 118,208 2,262,000 0.55%
35 GOLDMAN SACHS GROUP INC 114,020 2,182,000 0.53%
36 CITADEL ADVISORS LLC 106,186 2,032,000 0.49%
37 UNITED SERVICES AUTOMOBILE ASSOCIATION 98,865 1,892,000 0.46%
38 WELLS FARGO & COMPANY/MN 98,091 1,878,000 0.46%
39 TIAA CREF INVESTMENT MANAGEMENT LLC 92,092 1,763,000 0.43%
40 BANK OF AMERICA CORP /DE/ 88,303 1,690,000 0.41%
41 PEAK6 Group LLC 80,500 1,541,000 0.37% Call
42 GEODE CAPITAL MANAGEMENT, LLC 76,583 1,465,000 0.36%
43 BlackRock Investment Management, LLC 69,857 1,337,000 0.33%
44 SUSQUEHANNA INTERNATIONAL GROUP, LLP 68,300 1,307,000 0.32% Put
45 D. E. Shaw & Co., Inc. 61,076 1,169,000 0.28%
46 Employees Retirement System of Texas 56,000 1,072,000 0.26%
47 CREDIT SUISSE AG/ 54,701 1,046,000 0.25%
48 Open Field Capital LLC 50,000 957,000 0.23%
49 CREDIT SUISSE AG/ 50,000 957,000 0.23% Call
50 Spot Trading L.L.C 48,517 929,000 0.23%
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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.