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

Institutional Holders (2016Q4)
Portfolio Summary: 243 Institutional holders with a total value of $1,482,563,324.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 2,806,175 127,821,000 8.62%
2 Allianz Asset Management GmbH 2,239,382 102,003,000 6.88%
3 Sumitomo Mitsui DS Asset Management Company, Ltd 1,475,055 67,188,000 4.53%
4 1832 Asset Management L.P. 1,420,100 62,566,000 4.22%
5 Whale Rock Capital Management LLC 1,334,312 60,778,000 4.10%
6 GILDER GAGNON HOWE & CO LLC 1,278,667 58,243,000 3.93%
7 WELLINGTON MANAGEMENT GROUP LLP 1,142,097 52,022,000 3.51%
8 BlackRock Fund Advisors 1,023,427 46,617,000 3.14%
9 BANK OF AMERICA CORP /DE/ 920,599 41,933,000 2.83%
10 BlackRock Institutional Trust Company, N.A. 907,046 41,316,000 2.79%
11 Granahan Investment Management, LLC 817,563 37,240,000 2.51%
12 STATE STREET CORP 644,275 29,348,000 1.98%
13 FMR LLC 643,346 29,304,000 1.98%
14 HUNT LANE CAPITAL LP 640,000 29,152,000 1.97%
15 MILLENNIUM MANAGEMENT LLC 445,594 20,297,000 1.37%
16 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 435,522 19,839,000 1.34%
17 RENAISSANCE TECHNOLOGIES LLC 400,200 18,229,000 1.23%
18 NORTHERN TRUST CORP 396,942 18,080,000 1.22%
19 Alyeska Investment Group, L.P. 394,059 17,949,000 1.21%
20 AMERICAN CAPITAL MANAGEMENT INC 386,850 17,621,000 1.19%
21 Bank of New York Mellon Corp 386,754 17,617,000 1.19%
22 TEACHERS ADVISORS, LLC 358,317 16,321,000 1.10%
23 EAGLE ASSET MANAGEMENT INC 340,043 15,488,000 1.04%
24 MORGAN STANLEY 334,594 15,241,000 1.03%
25 TWO SIGMA INVESTMENTS, LP 315,821 14,386,000 0.97%
26 LORD, ABBETT & CO. LLC 303,488 13,824,000 0.93%
27 PRINCIPAL FINANCIAL GROUP INC 298,148 13,580,000 0.92%
28 EMERALD ADVISERS, LLC 285,276 12,994,000 0.88%
29 CITADEL ADVISORS LLC 283,644 12,920,000 0.87%
30 THRAX MANAGEMENT, LLC 280,730 12,787,000 0.86%
31 TWO SIGMA ADVISERS, LP 280,700 12,786,000 0.86%
32 MARSHALL WACE, LLP 279,673 12,739,000 0.86%
33 DRIEHAUS CAPITAL MANAGEMENT LLC 262,626 11,963,000 0.81%
34 NORGES BANK 254,861 11,609,000 0.78%
35 Harvest Capital Strategies LLC 250,000 11,388,000 0.77%
36 BOGLE INVESTMENT MANAGEMENT L P /DE/ 236,709 10,782,000 0.73%
37 EMERALD MUTUAL FUND ADVISERS TRUST 233,667 10,644,000 0.72%
38 OBERWEIS ASSET MANAGEMENT INC/ 232,260 10,579,000 0.71%
39 GEODE CAPITAL MANAGEMENT, LLC 229,993 10,475,000 0.71%
40 STATE OF WISCONSIN INVESTMENT BOARD 229,619 10,459,000 0.71%
41 TIAA CREF INVESTMENT MANAGEMENT LLC 209,562 9,546,000 0.64%
42 WELLS FARGO & COMPANY/MN 199,211 9,074,000 0.61%
43 GOLDMAN SACHS GROUP INC 191,668 8,730,000 0.59%
44 Redwood Investments, LLC 185,665 8,457,000 0.57% SH
45 WADDELL & REED FINANCIAL INC 178,200 8,117,000 0.55%
46 Fiera Capital Corp 172,713 7,868,000 0.53%
47 MILLENNIUM MANAGEMENT LLC 170,000 7,744,000 0.52% Put
48 Invesco Ltd. 162,027 7,381,000 0.50%
49 PANAGORA ASSET MANAGEMENT INC 151,106 6,883,000 0.46%
50 Pier Capital, LLC 148,166 6,749,000 0.46%
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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.