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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
TAM
26
Telemark Asset Management
Massachusetts
$4.25M +$3.32M +300,000 New
D.E. Shaw & Co
27
D.E. Shaw & Co
New York
$4.15M +$1.14M +103,544 +55%
State Street
28
State Street
Massachusetts
$4.07M +$1.1M +99,304 +53%
PCM
29
Portolan Capital Management
Massachusetts
$4.01M +$3.13M +282,903 New
Bank of America
30
Bank of America
North Carolina
$3.92M +$1.81M +163,919 +145%
EIM
31
Essex Investment Management
Massachusetts
$3.75M -$448K -40,529 -13%
CI
32
Ceera Investments
Texas
$3.68M – – –
Citadel Advisors
33
Citadel Advisors
Florida
$3.64M -$15.7M -1,423,811 -85%
Arrowstreet Capital
34
Arrowstreet Capital
Massachusetts
$3.62M +$1.49M +134,407 +111%
Two Sigma Investments
35
Two Sigma Investments
New York
$3.62M +$930K +84,136 +49%
UBS Group
36
UBS Group
Switzerland
$3.05M +$1.43M +129,377 +151%
AIM
37
ARK Investment Management
Florida
$2.89M -$800K -72,423 -26%
CP
38
CenterBook Partners
Connecticut
$2.81M +$1.63M +147,742 +292%
JP Morgan Chase
39
JP Morgan Chase
New York
$2.66M +$178K +16,105 +9%
Calamos Advisors
40
Calamos Advisors
Illinois
$2.43M +$1.13M +101,975 +147%
SMTF
41
Sphera Management Technology Funds
Israel
$2.33M +$1.81M +164,145 New
OWP
42
Old Well Partners
North Carolina
$2.22M – – –
PC
43
Panoramic Capital
California
$1.77M +$1.38M +125,000 New
OC
44
Oppenheimer & Co
New York
$1.57M +$50.2K +4,542 +4%
Millennium Management
45
Millennium Management
New York
$1.54M -$4.8M -433,954 -80%
TI
46
Trexquant Investment
Connecticut
$1.48M -$486K -43,966 -30%
CSS
47
Cubist Systematic Strategies
Connecticut
$1.46M +$111K +10,031 +11%
William Blair & Company
48
William Blair & Company
Illinois
$1.39M +$803K +72,674 +289%
Point72 Asset Management
49
Point72 Asset Management
Connecticut
$1.34M +$1.04M +94,480 New
BNP Paribas Financial Markets
50
BNP Paribas Financial Markets
France
$1.25M +$978K +88,501 New
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.