Gigamon Inc. Institutional Ownership

GIMO 
$30.6
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1.10
3.47%
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Exchange: NYSE
Industry: Technology
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary as reported in the most recent 13F filings


Institutional Ownership 82.44%
Total Shares Outstanding (millions) 35
Total Value of Holdings (millions) $879

Active Positions

Holders Shares
Increased Positions 112 6,767,080
Decreased Positions 60 3,080,535
Held Positions 16 18,881,071
Total Institutional Shares 188 28,728,686

New and Sold Out Positions


Holders Shares
New Positions 43 2,061,106
Sold Out Positions 12 448,045

188 Institutional Holders
28,728,686 Total Shares Held


Click on the column header links to resort ascending (▲) or descending (▼).
Owner Name Date Shared Held Change (Shares) Change (%) Value (in 1,000s)
HIGHLAND MANAGEMENT PARTNERS VII, LLC 09/30/2015 2,774,500 0 0.00 84,900
VANGUARD GROUP INC 12/31/2015 2,506,162 196,066 8.49 76,689
GRANAHAN INVESTMENT MANAGEMENT INC/MA 12/31/2015 1,243,322 (118,290) (8.69) 38,046
GILDER GAGNON HOWE & CO LLC 03/31/2016 1,145,344 705,674 160.50 35,048
ACADIAN ASSET MANAGEMENT LLC 03/31/2016 1,042,373 454,494 77.31 31,897
MILLENNIUM MANAGEMENT LLC 12/31/2015 943,911 70,406 8.06 28,884
RENAISSANCE TECHNOLOGIES LLC 12/31/2015 805,400 258,700 47.32 24,645
BLACKROCK FUND ADVISORS 12/31/2015 742,875 23,821 3.31 22,732
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. 12/31/2015 715,638 (23,490) (3.18) 21,899
KINGDON CAPITAL MANAGEMENT, L.L.C. 12/31/2015 630,000 130,000 26 19,278
EMERALD MUTUAL FUND ADVISERS TRUST 03/31/2016 614,871 13,300 2.21 18,815
EMERALD ADVISERS INC/PA 03/31/2016 605,921 19,098 3.25 18,541
D. E. SHAW & CO., INC. 12/31/2015 550,776 171,431 45.19 16,854
ALLIANZ ASSET MANAGEMENT AG 12/31/2015 515,019 515,019 New 15,760
BANK OF MONTREAL /CAN/ 03/31/2016 482,204 (2,989) (0.62) 14,755

Institutional Holdings information for this company is filed by major institutions on form 13-F with the Securities and Exchange Commission.
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