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Similarweb
SMWB

Overview Fund Activity

34 hedge funds and large institutions have $304M invested in Similarweb in 2021 Q3 according to their latest regulatory filings, with 10 funds opening new positions, 5 increasing their positions, 13 reducing their positions, and 23 closing their positions.

Holders
34
Holders Change
-13
Holders Change %
-27.66%
% of All Funds
0.6%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
10
Increased
5
Reduced
13
Closed
23
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$39.9M
2
Macquarie Group
2
Macquarie Group
Australia
$12.8M
3
MIFH
3
Migdal Insurance & Financial Holdings
Israel
$18.7M
4
AIM
4
ARK Investment Management
Florida
$3.26M
5
BC
5
BIT Capital
Germany
$2.73M

Top Sellers

1
LM
1
Luminus Management
Texas
$0
2
IAM
2
Ion Asset Management
Israel
$8.26M
3
Holocene Advisors
3
Holocene Advisors
New York
$0
4
BlackRock
4
BlackRock
New York
$12M
5
DKCM
5
Davidson Kempner Capital Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
ICP
1
ION Crossover Partners
Israel
$121M 5,772,183 – –
Fidelity Investments
2
Fidelity Investments
Massachusetts
$39.9M 1,905,354 +1,205,159 +172%
AFT
3
Alpha Family Trust
California
$35.2M 1,681,777 -5,055 -0.3%
MIFH
4
Migdal Insurance & Financial Holdings
Israel
$18.7M 894,930 +244,443 +38%
Macquarie Group
5
Macquarie Group
Australia
$12.8M 609,534 +389,301 +177%
BlackRock
6
BlackRock
New York
$12M 574,757 -125,210 -18%
Capital Research Global Investors
7
Capital Research Global Investors
California
$12M 571,900 – –
BAMCO Inc
8
BAMCO Inc
New York
$11.2M 535,942 +17,980 +3%
IAM
9
Ion Asset Management
Israel
$8.26M 394,480 -657,273 -62%
Millennium Management
10
Millennium Management
New York
$7.86M 375,350 -42,426 -10%
GCM
11
Ghisallo Capital Management
Massachusetts
$4.83M 230,734 – –
Tudor Investment Corp
12
Tudor Investment Corp
Connecticut
$3.88M 185,475 -33,481 -15%
AIM
13
ARK Investment Management
Florida
$3.26M 155,712 +155,712 New
BC
14
BIT Capital
Germany
$2.73M 130,450 +130,450 New
WP
15
Woodline Partners
California
$2.16M 103,380 -620 -0.6%
GIPM
16
G2 Investment Partners Management
New York
$2.04M 97,682 +97,682 New
Marshall Wace
17
Marshall Wace
United Kingdom
$1.03M 49,022 -84,417 -63%
Russell Investments Group
18
Russell Investments Group
United Kingdom
$893K 42,738 +42,738 New
Calamos Advisors
19
Calamos Advisors
Illinois
$831K 39,710 +39,710 New
Citadel Advisors
20
Citadel Advisors
Florida
$806K 38,538 -80,562 -68%
ACA
21
Arena Capital Advisors
California
$658K 31,443 -8,557 -21%
LCM
22
Laurion Capital Management
New York
$538K 25,700 -9,300 -27%
ECM
23
ExodusPoint Capital Management
New York
$425K 20,295 +20,295 New
Man Group
24
Man Group
United Kingdom
$222K 10,623 -14,177 -57%
Morgan Stanley
25
Morgan Stanley
New York
$222K 10,600 +1,700 +19%
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