Institutional Ownership Similarweb Ltd. (SMWB)
This table provides information about the institutional ownership of Similarweb Ltd. (SMWB). We have compiled data on the 128 institutions that hold shares in the stock, with a total of 47.5 Million shares, which have been reported (via 13F filing form) to have a value of $337 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Naspers LTD
South Africa, T3 |
Aug 12, 2025 Q2 2025 |
11,173,265
shares
|
$79.3 Million
12.3% of portfolio
|
Q4 2021
New holding
|
|
|
Ion Crossover Partners LTD
Herzliya Pituach, L3 |
Nov 14, 2023 Q3 2023 |
5,772,183
shares
|
$41 Million
83.88% of portfolio
|
Q2 2021
New holding
|
|
|
Migdal Insurance & Financial Holdings Ltd.
|
Aug 04, 2025 Q2 2025 |
3,006,157
shares
|
$21.3 Million
0.28% of portfolio
|
Q2 2025
Added 8.82%
|
|
|
Ulysses Management LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
2,998,474
shares
|
$21.3 Million
2.43% of portfolio
|
Q2 2025
Added 9.09%
|
|
|
Menora Mivtachim Holdings Ltd.
|
Aug 14, 2025 Q2 2025 |
2,326,742
shares
|
$16.5 Million
0.11% of portfolio
|
Q2 2025
Added 3.57%
|
|
|
Phoenix Holdings Ltd.
Givatayim, L3 |
Jul 30, 2025 Q2 2025 |
1,629,185
shares
|
$11.6 Million
0.17% of portfolio
|
Q2 2025
Reduced 37.0%
|
|
|
Center Book Partners LP
Greenwich, CT |
Aug 12, 2025 Q2 2025 |
1,441,810
shares
|
$10.2 Million
0.67% of portfolio
|
Q2 2025
Added 78.51%
|
|
|
Nuveen, LLC
Charlotte, NC |
Aug 12, 2025 Q2 2025 |
1,297,114
shares
|
$9.21 Million
0.0% of portfolio
|
Q2 2025
Added 79.41%
|
|
|
Y.D. More Investments LTD
Ramat Gan, L3 |
Aug 11, 2025 Q2 2025 |
1,234,298
shares
|
$8.76 Million
0.67% of portfolio
|
Q2 2025
Reduced 11.83%
|
|
|
Scalar Gauge Management, LLC
Dallas, TX |
Aug 12, 2025 Q2 2025 |
1,116,343
shares
|
$7.93 Million
4.99% of portfolio
|
Q2 2025
Reduced 7.98%
|
|
|
Wellington Management Group LLP
Boston, MA |
Aug 14, 2025 Q2 2025 |
932,575
shares
|
$6.62 Million
0.0% of portfolio
|
Q2 2025
Added 4.86%
|
|
|
Connor, Clark & Lunn Investment Management Ltd.
|
Aug 07, 2025 Q2 2025 |
920,671
shares
|
$6.54 Million
0.03% of portfolio
|
Q2 2025
Added 14.2%
|
|
|
Morgan Stanley
New York, NY |
Aug 15, 2025 Q2 2025 |
913,261
shares
|
$6.48 Million
0.0% of portfolio
|
Q2 2025
Added 168.31%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
880,265
shares
|
$6.25 Million
0.0% of portfolio
|
Q2 2025
Added 76.05%
|
|
|
Alpha Family Trust
Los Angeles, CA |
Aug 13, 2025 Q2 2025 |
851,669
shares
|
$6.05 Million
3.37% of portfolio
|
Q1 2025
Reduced 25.0%
|
|
|
Portolan Capital Management, LLC
Boston, MA |
Aug 13, 2025 Q2 2025 |
727,592
shares
|
$5.17 Million
0.41% of portfolio
|
Q2 2025
Added 96.55%
|
|
|
S Squared Technology, LLC
New York, NY |
Aug 07, 2025 Q2 2025 |
686,672
shares
|
$4.88 Million
2.47% of portfolio
|
Q2 2025
Reduced 31.37%
|
|
|
Herald Investment Management LTD
|
Jul 22, 2025 Q2 2025 |
600,000
shares
|
$4.26 Million
0.88% of portfolio
|
Q2 2025
Added 100.0%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
428,926
shares
|
$3.05 Million
0.0% of portfolio
|
Q4 2024
Added 24.88%
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
Aug 14, 2025 Q2 2025 |
415,590
shares
|
$2.95 Million
0.02% of portfolio
|
Q2 2025
Added 124.04%
|
|
|
Penn Capital Management Company, LLC
Philadelphia, PA |
Aug 14, 2025 Q2 2025 |
412,166
shares
|
$2.93 Million
0.32% of portfolio
|
Q2 2025
New holding
|
|
|
Sphera Management Technology Funds LTD
Tel Aviv, L3 |
Aug 14, 2025 Q2 2025 |
402,878
shares
|
$2.86 Million
1.59% of portfolio
|
Q2 2025
Added 35.76%
|
|
|
North Run Capital, LP
Wellesley, MA |
Feb 14, 2023 Q4 2022 |
375,000
shares
|
$2.66 Million
5.6% of portfolio
|
Q4 2022
New holding
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Aug 13, 2025 Q2 2025 |
355,573
shares
|
$2.52 Million
0.0% of portfolio
|
Q2 2025
Added 27.78%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
334,885
shares
|
$2.38 Million
0.0% of portfolio
|
Q2 2024
Added 27.89%
|