Similarweb
SMWB
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.
49% more call options, than puts
Call options by funds: $9.35M | Put options by funds: $6.27M
3.55% more ownership
Funds ownership: 50.62% → 54.17% (+3.6%)
8% less first-time investments, than exits
New positions opened: 24 | Existing positions closed: 26
3% less funds holding
Funds holding: 112 → 109 (-3)
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: 7 → 5 (-2)
37% less capital invested
Capital invested by funds: $586M → $371M (-$215M)
Top Buyers
Top Sellers
| 1 |
NCGI
Next Century Growth Investors
Plymouth,
Minnesota
|
-$9.91M |
| 2 |
Acadian Asset Management
Boston,
Massachusetts
|
-$8.67M |
| 3 |
Walleye Capital
New York
|
-$6.78M |
| 4 |
SSA
Schonfeld Strategic Advisors
New York
|
-$5.9M |
| 5 |
Alyeska Investment Group
Chicago,
Illinois
|
-$5.31M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
MCP
126
Militia Capital Partners
Las Vegas,
Nevada
| – | -$281K | -19,800 | Closed |
|
|
SOW
127
State of Wyoming
Cheyenne,
Wyoming
| – | -$264K | -18,623 | Closed |
|
128
Natixis Advisors
Boston,
Massachusetts
| – | -$255K | -18,017 | Closed |
|
|
FDCDDQ
129
Federation des caisses Desjardins du Quebec
Levis,
Quebec, Canada
| – | -$228K | -16,144 | Closed |
|
130
State of New Jersey Common Pension Fund D
Trenton,
New Jersey
| – | -$195K | -13,785 | Closed |
|
|
CC
131
Corton Capital
Carrying Place,
Ontario, Canada
| – | -$171K | -12,097 | Closed |
|
|
IAIM
132
International Assets Investment Management
Orlando,
Florida
| – | -$154K | -10,990 | Closed |
|
133
New York State Common Retirement Fund
Albany,
New York
| – | -$39K | -2,754 | Closed |
|
|
MA
134
MCF Advisors
Covington,
Kentucky
| – | -$11.9K | -842 | Closed |
|
|
FFA
135
Farther Finance Advisors
San Francisco,
California
| – | -$326 | -23 | Closed |
|
SMWB Hedge Fund Activity: Q1 2025 in Review
109 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Similarweb (SMWB) for Q1 2025, worth a combined $371M — down 37% from $586M a quarter earlier.
Sellers outnumbered buyers: 26 funds closed out of SMWB and 24 opened new positions — a net loss of 2 holders — while 40 trimmed existing stakes and 33 added.
The largest buyer was Cooper Creek Partners Management, opening a new position worth an estimated $14.7M. The largest seller was Next Century Growth Investors, exiting entirely with an estimated $9.91M sold.
- 109 institutional investors held Similarweb (SMWB) as of Q1 2025, down from 112 in Q4 2024.
- Funds reported $371M of Similarweb stock for Q1 2025, down 37% quarter-over-quarter.
- 24 funds opened new Similarweb positions in Q1 2025 and 26 closed out, a net change of -2 holders.
- The largest Similarweb buyer in Q1 2025 was Cooper Creek Partners Management, an estimated $14.7M added.
- The largest Similarweb seller in Q1 2025 was Next Century Growth Investors, an estimated $9.91M sold.
Based on aggregated 13F filings for Q1 2025.