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Similarweb

109 hedge funds and large institutions have $371M invested in Similarweb in 2025 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 33 increasing their positions, 40 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

18% less repeat investments, than reductions

Existing positions increased: 33 | Existing positions reduced: 40

29% less funds holding in top 10

Funds holding in top 10: 75 (-2)

37% less capital invested

Capital invested by funds: $586M → $371M (-$215M)

Holders
109
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$9.35M
Puts
$6.27M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$659K
52
$645K
53
$610K
54
$540K
55
$538K
56
$507K
57
$492K
58
$414K
59
$406K
60
$385K
61
$374K
62
$333K
63
$332K
64
$317K
65
$315K
66
$306K
67
$302K
68
$292K
69
$288K
70
$279K
71
$273K
72
$261K
73
$258K
74
$251K
75
$211K