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Similarweb
SMWB

45 hedge funds and large institutions have $501M invested in Similarweb in 2021 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 10 increasing their positions, 6 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 2 → 4 (+2)

92% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 12

67% more repeat investments, than reductions

Existing positions increased: 10 | Existing positions reduced: 6

65% more capital invested

Capital invested by funds: $304M → $501M (+$197M)

32% more funds holding

Funds holding: 34 → 45 (+11)

17.96% more ownership

Funds ownership: 19.55% → 37.5% (+18%)

100% less call options, than puts

Call options by funds: $0 | Put options by funds: $1.2M

Holders
45
Holders Change
+11
Holders Change %
+32.35%
% of All Funds
0.69%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.06%
New
23
Increased
10
Reduced
6
Closed
12
Calls
–
Puts
$1.2M
Net Calls
-$1.2M
Net Calls Change
-$1.2M

Top Buyers

1
UM
Ulysses Management
New York
+$27.2M
2
BAMCO Inc
BAMCO Inc
New York
+$14.8M
3
MIFH
Migdal Insurance & Financial Holdings
Israel
+$14.5M
4
MIH
Meitav Investment House
Israel
+$5.95M
5
William Blair & Company
William Blair & Company
Illinois
+$5.66M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$27M
2
Capital Research Global Investors
Capital Research Global Investors
California
-$12M
3
IAM
Ion Asset Management
Israel
-$8.26M
4
BC
BIT Capital
Germany
-$2.73M
5
WP
Woodline Partners
California
-$2.16M
Name Holding Trade Value Shares
Change 		Change in
Stake
N
1
Naspers
South Africa
$200M +$205M +11,173,265 New
ICP
2
ION Crossover Partners
Israel
$103M – – –
MIFH
3
Migdal Insurance & Financial Holdings
Israel
$30.2M +$14.5M +789,723 +88%
AFT
4
Alpha Family Trust
California
$30.1M – – –
UM
5
Ulysses Management
New York
$26.5M +$27.2M +1,478,334 New
BAMCO Inc
6
BAMCO Inc
New York
$24M +$14.8M +805,858 +150%
Millennium Management
7
Millennium Management
New York
$11M +$4.37M +237,781 +63%
Macquarie Group
8
Macquarie Group
Australia
$10.8M -$84.9K -4,622 -0.8%
BlackRock
9
BlackRock
New York
$10.4M +$61K +3,322 +0.6%
Fidelity Investments
10
Fidelity Investments
Massachusetts
$7.75M -$27M -1,472,388 -77%
MIH
11
Meitav Investment House
Israel
$5.79M +$5.95M +323,762 New
Allspring Global Investments
12
Allspring Global Investments
North Carolina
$5.64M +$5.79M +315,180 New
William Blair & Company
13
William Blair & Company
Illinois
$5.52M +$5.66M +308,361 New
GCM
14
Ghisallo Capital Management
Massachusetts
$4.13M – – –
OWP
15
Old Well Partners
North Carolina
$3.74M +$3.84M +208,910 New
Tudor Investment Corp
16
Tudor Investment Corp
Connecticut
$3.3M -$23.9K -1,303 -0.7%
AIM
17
ARK Investment Management
Florida
$2.74M -$52.2K -2,844 -2%
Marshall Wace
18
Marshall Wace
United Kingdom
$2.58M +$1.75M +95,231 +194%
Citadel Advisors
19
Citadel Advisors
Florida
$2.36M +$1.71M +93,221 +242%
Wells Fargo
20
Wells Fargo
California
$1.23M +$1.27M +68,902 New
Ameriprise
21
Ameriprise
Minnesota
$1.15M +$1.18M +64,200 New
ACA
22
Arena Capital Advisors
California
$1.07M +$525K +28,557 +91%
PF
23
Phoenix Financial
Israel
$1.04M +$1.07M +58,178 New
SRC
24
Sage Rhino Capital
California
$880K +$902K +49,116 New
APP
25
Alpha Paradigm Partners
Illinois
$584K +$599K +32,594 New
1
2 3

SMWB Hedge Fund Activity: Q4 2021 in Review

45 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Similarweb (SMWB) for Q4 2021, worth a combined $501M — up 65% from $304M a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new SMWB positions and 12 closed out — a net gain of 11 holders — while 10 added to existing stakes and 6 trimmed.

The largest buyer was Ulysses Management, opening a new position worth an estimated $27.2M. The largest seller was Fidelity Investments, cutting an estimated $27M.

  • 45 institutional investors held Similarweb (SMWB) as of Q4 2021, up from 34 in Q3 2021.
  • Funds reported $501M of Similarweb stock for Q4 2021, up 65% quarter-over-quarter.
  • 23 funds opened new Similarweb positions in Q4 2021 and 12 closed out, a net change of +11 holders.
  • The largest Similarweb buyer in Q4 2021 was Ulysses Management, an estimated $27.2M added.
  • The largest Similarweb seller in Q4 2021 was Fidelity Investments, an estimated $27M sold.

Based on aggregated 13F filings for Q4 2021.