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

Institutional Holders (2015Q4)
Portfolio Summary: 176 Institutional holders with a total value of $679,685,764.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BRONFMAN E.L. ROTHSCHILD, L.P. 23 1,000 0.00%
2 Kavar Capital Partners, LLC 57 1,000 0.00%
3 MOSAIC FAMILY WEALTH, LLC 99 2,000 0.00%
4 St. Johns Investment Management Company, LLC 220 6,000 0.00%
5 CUTLER GROUP LLC / CA 271 7,000 0.00%
6 MUFG Americas Holdings Corp 310 8,000 0.00%
7 Zurcher Kantonalbank (Zurich Cantonalbank) 489 13,000 0.00%
8 INTEGRATED WEALTH MANAGEMENT 600 16,000 0.00%
9 Parallax Volatility Advisers, L.P. 700 19,000 0.00% Call
10 THOMPSON DAVIS & CO., INC. 750 20,000 0.00%
11 CITIGROUP INC 813 22,000 0.00%
12 Walleye Trading LLC 900 24,000 0.00% Call
13 UBS Group AG 993 26,000 0.00%
14 PEAK6 Group LLC 1,073 29,000 0.00%
15 SEI INVESTMENTS CO 1,087 29,000 0.00%
16 BlackRock Finance, Inc. 1,126 30,000 0.00%
17 Quantbot Technologies LP 1,494 39,000 0.01%
18 TEACHER RETIREMENT SYSTEM OF TEXAS 1,547 41,000 0.01%
19 GROUP ONE TRADING LLC 1,559 41,000 0.01%
20 CANADA LIFE ASSURANCE Co 1,611 43,000 0.01%
21 BlackRock Japan Co. Ltd 1,901 51,000 0.01%
22 PEAK6 Group LLC 2,200 58,000 0.01% Call
23 SIMPLEX TRADING, LLC 2,533 67,000 0.01%
24 BNP PARIBAS FINANCIAL MARKETS 2,685 71,340 0.01%
25 Orinda Asset Management LLC 2,719 72,000 0.01%
26 MSI Financial Services Inc 2,975 79,000 0.01%
27 ROYCE & ASSOCIATES LP 3,600 96,000 0.01%
28 PNC FINANCIAL SERVICES GROUP, INC. 3,764 100,000 0.01%
29 PARADIGM ASSET MANAGEMENT CO LLC 4,100 108,937 0.02%
30 Walleye Trading LLC 4,400 117,000 0.02% Put
31 Legal & General Group Plc 4,548 123,000 0.02%
32 PEAK6 Group LLC 4,800 128,000 0.02% Put
33 Asset Management One Co., Ltd. 5,267 140,000 0.02%
34 GOLDMAN SACHS GROUP INC 5,400 143,000 0.02% Call
35 GOLDMAN SACHS GROUP INC 6,300 167,000 0.02% Put
36 FORTALEZA ASSET MANAGEMENT INC/ 7,130 189,000 0.03%
37 Walleye Trading LLC 7,987 212,000 0.03%
38 SHEPHERD KAPLAN KROCHUK, LLC 8,037 214,000 0.03%
39 PRELUDE CAPITAL MANAGEMENT, LLC 8,399 223,000 0.03%
40 JACOBS LEVY EQUITY MANAGEMENT, INC 8,840 235,000 0.03%
41 Laurion Capital Management LP 8,900 236,000 0.03%
42 STRATEGIC INVESTMENT MANAGEMENT, LLC 9,022 239,000 0.04%
43 NAVELLIER & ASSOCIATES INC 9,100 242,000 0.04%
44 CAVALIER INVESTMENTS, LLC 9,100 242,000 0.04%
45 US BANCORP \DE\ 9,436 251,000 0.04%
46 Princeton Alpha Management LP 10,908 290,000 0.04%
47 NISA INVESTMENT ADVISORS, LLC 11,000 292,000 0.04%
48 LUCUS ADVISORS LLC 11,052 294,000 0.04%
49 WHITTIER TRUST CO 12,000 319,000 0.05%
50 VOYA INVESTMENT MANAGEMENT LLC 12,501 332,000 0.05%
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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.