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Similarweb

94 hedge funds and large institutions have $426M invested in Similarweb in 2025 Q3 according to their latest regulatory filings, with 11 funds opening new positions, 31 increasing their positions, 34 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

15% less funds holding

Funds holding: 11094 (-16)

59% less first-time investments, than exits

New positions opened: 11 | Existing positions closed: 27

90% less call options, than puts

Call options by funds: $2.19M | Put options by funds: $21.1M

Holders
94
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.19M
Puts
$21.1M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$2.97M
27
$2.96M
28
$2.91M
29
$2.79M
30
$2.43M
31
$2.23M
32
$2.17M
33
$2.14M
34
$1.64M
35
$1.41M
36
$1.41M
37
$1.33M
38
$1.27M
39
$1.09M
40
$1.02M
41
$954K
42
$926K
43
$878K
44
$825K
45
$814K
46
$792K
47
$737K
48
$628K
49
$571K
50
$539K