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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
Swiss National Bank
51
Swiss National Bank
Switzerland
$1.15M +$198K +17,900 +28%
LCM
52
Legato Capital Management
California
$1.12M -$263K -23,780 -23%
Goldman Sachs
53
Goldman Sachs
New York
$1.09M -$464K -42,020 -35%
Lazard Asset Management
54
Lazard Asset Management
New York
$1.08M +$158K +14,282 +23%
AI
55
Atom Investors
Texas
$1.04M -$777K -70,287 -49%
ECM
56
ExodusPoint Capital Management
New York
$967K +$495K +44,813 +191%
SEI Investments
57
SEI Investments
Pennsylvania
$966K +$753K +68,171 New
JF
58
Jump Financial
Illinois
$954K +$392K +35,446 +111%
Northern Trust
59
Northern Trust
Illinois
$939K +$596K +53,945 +437%
XT
60
XTX Topco
Cayman Islands
$739K -$19.9K -1,805 -3%
CAM
61
Cresset Asset Management
Illinois
$656K -$88.5K -8,009 -15%
B
62
Bailard
California
$644K +$502K +45,457 New
Two Sigma Advisers
63
Two Sigma Advisers
New York
$618K +$140K +12,700 +41%
TI
64
Tidal Investments
Wisconsin
$576K +$449K +40,641 New
Legal & General Group
65
Legal & General Group
United Kingdom
$558K +$145K +13,118 +50%
N
66
Numerai
California
$548K -$534K -48,306 -56%
Squarepoint
67
Squarepoint
New York
$548K -$903K -81,752 -68%
California State Teachers Retirement System (CalSTRS)
68
California State Teachers Retirement System (CalSTRS)
California
$543K +$113K +10,185 +36%
PP
69
PDT Partners
New York
$534K +$416K +37,680 New
Vanguard Group
70
Vanguard Group
Pennsylvania
$500K +$112K +10,131 +40%
EGI
71
EAM Global Investors
California
$499K +$389K +35,219 New
Geode Capital Management
72
Geode Capital Management
Massachusetts
$478K +$262K +23,708 +237%
Pathstone Holdings
73
Pathstone Holdings
New Jersey
$468K – – –
HF
74
HRT Financial
New York
$439K +$343K +31,017 New
QT
75
Quantbot Technologies
New York
$420K +$233K +21,115 +247%
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.