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Similarweb
SMWB

112 hedge funds and large institutions have $586M invested in Similarweb in 2024 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 46 increasing their positions, 24 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,853% more call options, than puts

Call options by funds: $14.6M | Put options by funds: $750K

211% more first-time investments, than exits

New positions opened: 28 | Existing positions closed: 9

92% more repeat investments, than reductions

Existing positions increased: 46 | Existing positions reduced: 24

87% more capital invested

Capital invested by funds: $312M → $586M (+$273M)

20% more funds holding

Funds holding: 93 → 112 (+19)

17% more funds holding in top 10

Funds holding in top 10: 6 → 7 (+1)

6.93% more ownership

Funds ownership: 43.69% → 50.62% (+6.9%)

Holders
112
Holders Change
+19
Holders Change %
+20.43%
% of All Funds
1.48%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.09%
New
28
Increased
46
Reduced
24
Closed
9
Calls
$14.6M
Puts
$750K
Net Calls
+$13.9M
Net Calls Change
+$14.4M

Top Buyers

1
Jennison Associates
Jennison Associates
New York
+$20.3M
2
SSA
Schonfeld Strategic Advisors
New York
+$17.6M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$7.46M
4
Victory Capital Management
Victory Capital Management
Texas
+$4.75M
5
NCGI
Next Century Growth Investors
Minnesota
+$4.59M

Top Sellers

1
Citadel Advisors
Citadel Advisors
Florida
-$15.7M
2
AFT
Alpha Family Trust
California
-$5.67M
3
Millennium Management
Millennium Management
New York
-$4.8M
4
GCM
Ghisallo Capital Management
Massachusetts
-$2.24M
5
Squarepoint
Squarepoint
New York
-$903K
Name Holding Trade Value Shares
Change 		Change in
Stake
N
1
Naspers
South Africa
$158M – – –
PF
2
Phoenix Financial
Israel
$35.7M -$414K -37,496 -1%
UM
3
Ulysses Management
New York
$32.4M – – –
Jennison Associates
4
Jennison Associates
New York
$26.1M +$20.3M +1,839,055 New
MIFH
5
Migdal Insurance & Financial Holdings
Israel
$24.3M – – –
MMH
6
Menora Mivtachim Holdings
Israel
$23.9M – – –
SSA
7
Schonfeld Strategic Advisors
New York
$22.5M +$17.6M +1,590,391 New
YDMI
8
Y.D. More Investments
Israel
$20.5M +$956K +86,500 +6%
AFT
9
Alpha Family Trust
California
$16.1M -$5.67M -513,156 -31%
SGM
10
Scalar Gauge Management
Texas
$15.8M +$2.78M +251,855 +29%
SST
11
S Squared Technology
New York
$15M +$312K +28,274 +3%
Acadian Asset Management
12
Acadian Asset Management
Massachusetts
$12.6M +$337K +30,458 +4%
BlackRock
13
BlackRock
New York
$11.1M +$3.92M +355,052 +83%
NCGI
14
Next Century Growth Investors
Minnesota
$9.91M +$4.59M +415,792 +147%
Connor, Clark & Lunn Investment Management (CC&L)
15
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$9.6M +$2.51M +227,569 +51%
T. Rowe Price Investment Management
16
T. Rowe Price Investment Management
Maryland
$9.56M +$7.46M +674,822 New
Walleye Capital
17
Walleye Capital
New York
$6.78M +$1.37M +123,764 +35%
Victory Capital Management
18
Victory Capital Management
Texas
$6.09M +$4.75M +429,782 New
N
19
Nuveen
North Carolina
$6.08M +$944K +85,448 +25%
PAWC
20
P.A.W. Capital
Connecticut
$5.67M – – –
Renaissance Technologies
21
Renaissance Technologies
New York
$5.4M +$617K +55,873 +17%
Alyeska Investment Group
22
Alyeska Investment Group
Illinois
$5.31M +$553K +50,000 +15%
Marshall Wace
23
Marshall Wace
United Kingdom
$5.08M +$735K +66,514 +23%
Russell Investments Group
24
Russell Investments Group
United Kingdom
$5.06M +$1.58M +142,807 +67%
Morgan Stanley
25
Morgan Stanley
New York
$4.52M +$1.58M +143,064 +81%
1
2 3 4 5

SMWB Hedge Fund Activity: Q4 2024 in Review

112 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in Similarweb (SMWB) for Q4 2024, worth a combined $586M — up 87% from $312M a quarter earlier.

Buyers outnumbered sellers: 28 funds opened new SMWB positions and 9 closed out — a net gain of 19 holders — while 46 added to existing stakes and 24 trimmed.

The largest buyer was Jennison Associates, opening a new position worth an estimated $20.3M. The largest seller was Citadel Advisors, cutting an estimated $15.7M.

  • 112 institutional investors held Similarweb (SMWB) as of Q4 2024, up from 93 in Q3 2024.
  • Funds reported $586M of Similarweb stock for Q4 2024, up 87% quarter-over-quarter.
  • 28 funds opened new Similarweb positions in Q4 2024 and 9 closed out, a net change of +19 holders.
  • The largest Similarweb buyer in Q4 2024 was Jennison Associates, an estimated $20.3M added.
  • The largest Similarweb seller in Q4 2024 was Citadel Advisors, an estimated $15.7M sold.

Based on aggregated 13F filings for Q4 2024.