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

Institutional Holders (2017Q1)
Portfolio Summary: 207 Institutional holders with a total value of $1,140,763,803.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 2,554,357 90,807,000 7.96%
2 CADIAN CAPITAL MANAGEMENT, LP 2,154,554 76,594,000 6.71%
3 BlackRock Finance, Inc. 2,013,189 71,570,000 6.27%
4 Allianz Asset Management GmbH 1,575,589 56,012,000 4.91%
5 CREDIT SUISSE AG/ 1,525,774 54,241,000 4.75%
6 Sumitomo Mitsui DS Asset Management Company, Ltd 1,168,020 41,523,000 3.64%
7 DISCIPLINED GROWTH INVESTORS INC /MN 1,105,463 39,299,000 3.44%
8 PENSERRA CAPITAL MANAGEMENT LLC 1,070,192 38,045,000 3.34%
9 Champlain Investment Partners, LLC 960,410 34,143,000 2.99%
10 GILDER GAGNON HOWE & CO LLC 950,113 33,777,000 2.96%
11 Senvest Management, LLC 868,911 30,890,000 2.71%
12 AMERICAN CAPITAL MANAGEMENT INC 832,220 29,585,000 2.59%
13 STATE STREET CORP 607,349 21,593,000 1.89%
14 Kerrisdale Advisers, LLC 552,300 19,634,000 1.72%
15 GLENMEDE TRUST CO NA 540,848 19,170,000 1.68%
16 Dorsal Capital Management, LP 525,000 18,664,000 1.64%
17 Harvest Capital Strategies LLC 475,200 16,893,000 1.48%
18 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 450,495 16,015,097 1.40%
19 SOMA EQUITY PARTNERS LP 450,000 15,998,000 1.40%
20 Roystone Capital Management LP 446,000 15,855,000 1.39%
21 BANK OF AMERICA CORP /DE/ 417,892 14,856,000 1.30%
22 NORTHERN TRUST CORP 401,891 14,288,000 1.25%
23 EAGLE ASSET MANAGEMENT INC 397,986 14,148,000 1.24%
24 ATALAN CAPITAL PARTNERS, LP 376,749 13,393,000 1.17%
25 Bank of New York Mellon Corp 372,642 13,247,000 1.16%
26 TEACHERS ADVISORS, LLC 363,290 12,915,000 1.13%
27 Omega Advisors Inc. 360,048 12,800,000 1.12%
28 CITADEL ADVISORS LLC 342,594 12,179,000 1.07%
29 SOROS FUND MANAGEMENT LLC 336,666 11,968,000 1.05%
30 MARSHALL WACE NORTH AMERICA, L.P. 321,325 11,568,000 1.01%
31 MARSHALL WACE ASIA LTD 321,325 11,568,000 1.01%
32 TWO SIGMA ADVISERS, LP 285,621 10,154,000 0.89%
33 STATE OF WISCONSIN INVESTMENT BOARD 273,500 9,723,000 0.85%
34 NORGES BANK 257,136 9,141,000 0.80%
35 CAPITAL FUND MANAGEMENT S.A. 250,347 8,900,000 0.78%
36 PRINCIPAL FINANCIAL GROUP INC 238,092 8,464,000 0.74%
37 GEODE CAPITAL MANAGEMENT, LLC 231,166 8,217,000 0.72%
38 SUSQUEHANNA INTERNATIONAL GROUP, LLP 223,100 7,931,000 0.70% Put
39 Granahan Investment Management, LLC 213,362 7,585,000 0.66%
40 TIAA CREF INVESTMENT MANAGEMENT LLC 208,473 7,411,000 0.65%
41 HARBER ASSET MANAGEMENT LLC 203,030 7,218,000 0.63%
42 MILLENNIUM MANAGEMENT LLC 190,118 6,759,000 0.59%
43 AQR CAPITAL MANAGEMENT LLC 163,841 5,824,000 0.51%
44 SUSQUEHANNA INTERNATIONAL GROUP, LLP 157,746 5,608,000 0.49%
45 PICTET ASSET MANAGEMENT LTD 136,200 4,842,000 0.42%
46 GOLDMAN SACHS GROUP INC 134,623 4,785,000 0.42%
47 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 129,996 4,622,000 0.41%
48 QS Investors, LLC 123,632 4,395,000 0.39%
49 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 116,600 4,145,000 0.36%
50 UNITED SERVICES AUTOMOBILE ASSOCIATION 111,466 3,963,000 0.35%
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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.