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Similarweb

110 hedge funds and large institutions have $330M invested in Similarweb in 2025 Q2 according to their latest regulatory filings, with 21 funds opening new positions, 46 increasing their positions, 28 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less ownership

Funds ownership:

11% less capital invested

Capital invested by funds: $371M → $330M (-$41.1M)

20% less funds holding in top 10

Funds holding in top 10: 54 (-1)

21% less call options, than puts

Call options by funds: $6.58M | Put options by funds: $8.3M

Holders
110
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
$6.58M
Puts
$8.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$2.05M
27
$1.9M
28
$1.88M
29
$1.54M
30
$1.46M
31
$1.34M
32
$1.33M
33
$1.12M
34
$1.04M
35
$1.03M
36
$927K
37
$924K
38
$921K
39
$878K
40
$847K
41
$818K
42
$802K
43
$784K
44
$774K
45
$771K
46
$692K
47
$686K
48
$681K
49
$650K
50
$649K