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Similarweb
SMWB

73 hedge funds and large institutions have $270M invested in Similarweb in 2024 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 21 increasing their positions, 17 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

22,014% more call options, than puts

Call options by funds: $1.55M | Put options by funds: $7K

475% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 4

81% more capital invested

Capital invested by funds: $149M → $270M (+$121M)

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

35% more funds holding

Funds holding: 54 → 73 (+19)

24% more repeat investments, than reductions

Existing positions increased: 21 | Existing positions reduced: 17

2.24% more ownership

Funds ownership: 35.87% → 38.11% (+2.2%)

Holders
73
Holders Change
+19
Holders Change %
+35.19%
% of All Funds
1.05%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
23
Increased
21
Reduced
17
Closed
4
Calls
$1.55M
Puts
$7K
Net Calls
+$1.54M
Net Calls Change
+$1.54M

Top Buyers

1
MIFH
Migdal Insurance & Financial Holdings
Israel
+$3.85M
2
Russell Investments Group
Russell Investments Group
United Kingdom
+$2.32M
3
SST
S Squared Technology
New York
+$2.28M
4
RC
Roubaix Capital
Colorado
+$2.01M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$1.98M

Top Sellers

1
PF
Phoenix Financial
Israel
-$4.96M
2
YDMI
Y.D. More Investments
Israel
-$1.46M
3
Morgan Stanley
Morgan Stanley
New York
-$685K
4
OWP
Old Well Partners
North Carolina
-$673K
5
Citadel Advisors
Citadel Advisors
Florida
-$563K
Name Holding Trade Value Shares
Change 		Change in
Stake
N
1
Naspers
South Africa
$101M – – –
PF
2
Phoenix Financial
Israel
$31.8M -$4.96M -671,543 -16%
UM
3
Ulysses Management
New York
$20.5M – – –
MIFH
4
Migdal Insurance & Financial Holdings
Israel
$19M +$3.85M +520,591 +33%
PCM
5
Portolan Capital Management
Massachusetts
$18.4M +$948K +128,330 +7%
AFT
6
Alpha Family Trust
California
$14.8M – – –
YDMI
7
Y.D. More Investments
Israel
$11.8M -$1.46M -197,000 -13%
AIM
8
ARK Investment Management
Florida
$3.46M +$321K +43,491 +13%
SGM
9
Scalar Gauge Management
Texas
$3.41M +$1.15M +155,783 +70%
Russell Investments Group
10
Russell Investments Group
United Kingdom
$2.82M +$2.32M +313,318 New
SST
11
S Squared Technology
New York
$2.77M +$2.28M +308,023 New
Acadian Asset Management
12
Acadian Asset Management
Massachusetts
$2.47M +$1.98M +268,099 +3,664%
RC
13
Roubaix Capital
Colorado
$2.45M +$2.01M +272,092 New
N
14
Nuveen
North Carolina
$2.37M +$1.01M +136,153 +107%
BlackRock
15
BlackRock
New York
$2.36M +$301K +40,697 +18%
EIM
16
Essex Investment Management
Massachusetts
$2.34M +$1.92M +260,450 New
Millennium Management
17
Millennium Management
New York
$2.1M +$733K +99,154 +74%
CI
18
Ceera Investments
Texas
$1.69M +$1.39M +187,833 New
Walleye Capital
19
Walleye Capital
New York
$1.65M +$1.36M +183,494 New
OWP
20
Old Well Partners
North Carolina
$1.41M -$673K -90,998 -37%
Two Sigma Investments
21
Two Sigma Investments
New York
$1.19M +$604K +81,759 +161%
Marshall Wace
22
Marshall Wace
United Kingdom
$1.14M +$588K +79,556 +167%
State Street
23
State Street
Massachusetts
$1.14M +$65K +8,800 +7%
Ameriprise
24
Ameriprise
Minnesota
$1.02M -$315K -42,571 -27%
CG
25
Circumference Group
Arkansas
$985K -$196K -26,539 -20%
1
2 3 4

SMWB Hedge Fund Activity: Q1 2024 in Review

73 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in Similarweb (SMWB) for Q1 2024, worth a combined $270M — up 81% from $149M a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new SMWB positions and 4 closed out — a net gain of 19 holders — while 21 added to existing stakes and 17 trimmed.

The largest buyer was Migdal Insurance & Financial Holdings, adding an estimated $3.85M. The largest seller was Phoenix Financial, cutting an estimated $4.96M.

  • 73 institutional investors held Similarweb (SMWB) as of Q1 2024, up from 54 in Q4 2023.
  • Funds reported $270M of Similarweb stock for Q1 2024, up 81% quarter-over-quarter.
  • 23 funds opened new Similarweb positions in Q1 2024 and 4 closed out, a net change of +19 holders.
  • The largest Similarweb buyer in Q1 2024 was Migdal Insurance & Financial Holdings, an estimated $3.85M added.
  • The largest Similarweb seller in Q1 2024 was Phoenix Financial, an estimated $4.96M sold.

Based on aggregated 13F filings for Q1 2024.