GIMO

Gigamon Inc.
GIMO

Overview Fund Activity
Delisted

GIMO was delisted on the 26th of December, 2017.

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143 hedge funds and large institutions have $476M invested in Gigamon Inc. in 2015 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 62 increasing their positions, 49 reducing their positions, and 19 closing their positions.

Holders
143
Holders Change
-1
Holders Change %
-0.69%
% of All Funds
4%
Holding in Top 10
3
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-50%
% of All Funds
0.08%
New
21
Increased
62
Reduced
49
Closed
19
Calls
$3M
Puts
$2.58M
Net Calls
+$423K
Net Calls Change
-$2.93M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$46.2M
2
UBS AM
2
UBS AM
Illinois
$7.8M
3
NI
3
Numeric Investors
Massachusetts
$7.38M
4
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$7.28M
5
ECP
5
Elk Creek Partners
Colorado
$8.72M

Top Sellers

1
Alyeska Investment Group
1
Alyeska Investment Group
Illinois
$0
2
ICRM
2
Insight Capital Research & Management
California
$0
3
Neuberger Berman Group
3
Neuberger Berman Group
New York
$6.52M
4
NRC
4
North Run Capital
Massachusetts
$24.1M
5
DCM
5
Driehaus Capital Management
Illinois
$1.55M
Name Market Value Shares Shares
Change 		Shares
Change %
HMPV
1
Highland Management Partners VII
Massachusetts
$55.5M 2,774,500 – –
Vanguard Group
2
Vanguard Group
Pennsylvania
$46.2M 2,310,096 +532,435 +30%
GIM
3
Granahan Investment Management
Massachusetts
$27.2M 1,361,612 -131,800 -9%
NRC
4
North Run Capital
Massachusetts
$24.1M 1,205,186 -244,814 -17%
Millennium Management
5
Millennium Management
New York
$17.5M 873,505 +10,759 +1%
Morgan Stanley
6
Morgan Stanley
New York
$15M 747,874 -23,888 -3%
BIT
7
BlackRock Institutional Trust
California
$14.8M 739,128 +158,425 +27%
BFA
8
BlackRock Fund Advisors
California
$14.4M 719,054 +615 +0.1%
Renaissance Technologies
9
Renaissance Technologies
New York
$10.9M 546,700 +139,500 +34%
EMFAT
10
Emerald Mutual Fund Advisers Trust
Pennsylvania
$10.1M 503,415 +181,327 +56%
EA
11
Emerald Advisers
Pennsylvania
$10M 501,626 +98,920 +25%
KCM
12
Kingdon Capital Management
New York
$10M 500,000 +45,000 +10%
State Street
13
State Street
Massachusetts
$9.07M 453,267 +70,796 +19%
ECP
14
Elk Creek Partners
Colorado
$8.72M 435,805 +305,515 +234%
UBS AM
15
UBS AM
Illinois
$7.8M 389,633 +348,663 +851%
D.E. Shaw & Co
16
D.E. Shaw & Co
New York
$7.59M 379,345 -217,990 -36%
NI
17
Numeric Investors
Massachusetts
$7.38M 368,549 +327,949 +808%
Acadian Asset Management
18
Acadian Asset Management
Massachusetts
$7.28M 363,731 +313,684 +627%
GGHC
19
Gilder Gagnon Howe & Co
New York
$6.57M 328,248 +3,940 +1%
Neuberger Berman Group
20
Neuberger Berman Group
New York
$6.52M 325,568 -360,031 -53%
Northern Trust
21
Northern Trust
Illinois
$6.04M 301,625 +34,971 +13%
Citadel Advisors
22
Citadel Advisors
Florida
$5.75M 287,346 +147,324 +105%
TCIM
23
TIAA CREF Investment Management
New York
$5.64M 281,913 +112,428 +66%
ACM
24
Archon Capital Management
Washington
$5.58M 279,000 +279,000 New
AIC
25
AWM Investment Company
New York
$5.3M 264,877 -19,708 -7%
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