Similarweb Ltd.
SMWB- Exchange
- NYSE
- Industry
- Services-Computer Programming, Data Processing, Etc.
- SEC CIK
- 0001842731
In the last 90 days, Similarweb Ltd. insiders filed 0 open-market purchases and 9 sales; 70 institutions reported holding it in 13F filings for Q2 2026, worth $312.1M in total; ARK Invest is the only superinvestor holding it.
13F holders, Q2 2025
Institutional positions in Similarweb Ltd. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 111
- +1 vs. Q1 2025
- Shares held
- 51.8M
- −3.84M (−6.9%) vs. Q1 2025
- Total value
- $414.8M
- −$45.7M (−9.9%) vs. Q1 2025
- New holders
- 21
- 46 more added
- Sold out
- 20
- 28 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SMWB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 70 | $312.1M |
| Q1 2026 | 81 | $144.4M |
| Q4 2025 | 100 | $454.1M |
| Q3 2025 | 95 | $526.1M |
| Q2 2025 | 111 | $414.8M |
| Q1 2025 | 110 | $460.5M |
| Q4 2024 | 113 | $739.3M |
| Q3 2024 | 94 | $411.8M |
| Q2 2024 | 77 | $323.3M |
| Q1 2024 | 74 | $370.7M |
| Q4 2023 | 55 | $208.3M |
| Q3 2023 | 52 | $286.9M |
| Q2 2023 | 49 | $257.8M |
| Q1 2023 | 42 | $274.2M |
| Q4 2022 | 47 | $261.4M |
| Q3 2022 | 45 | $160.0M |
| Q2 2022 | 48 | $225.9M |
| Q1 2022 | 43 | $366.7M |
| Q4 2021 | 45 | $500.6M |
| Q3 2021 | 34 | $303.9M |
| Q2 2021 | 47 | $294.1M |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 932,575 | $7.31M | 0.00% | +43,212+4.9% | Added |
| Scalar Gauge Management, LLC | 1,116,343 | $8.75M | 5.00% | −96,856−8.0% | Reduced |
| Y.D. More Investments Ltd | 1,234,298 | $9.68M | 0.67% | −165,565−11.8% | Reduced |
| Nuveen, LLC | 1,297,114 | $10.2M | 0.00% | +574,143+79.4% | Added |
| CenterBook Partners LP | 1,441,810 | $11.3M | 0.63% | +634,114+78.5% | Added |
| Menora Mivtachim Holdings Ltd. | 2,326,742 | $18.2M | 0.10% | +80,272+3.6% | Added |
| Phoenix Holdings Ltd. | 1,629,185 | $21.1M | 0.28% | −956,800−37.0% | Reduced |
| Ulysses Management LLC | 2,998,474 | $23.5M | 5.07% | +249,766+9.1% | Added |
| Migdal Insurance & Financial Holdings Ltd. | 3,006,157 | $23.6M | 0.28% | +243,600+8.8% | Added |
| Viola Ventures V.C. Management 4 Ltd. | 10,810,778 | $84.8M | 37.04% | 00.0% | Unchanged |
| Naspers Ltd | 11,173,265 | $87.6M | 12.30% | 00.0% | Unchanged |
| Covestor Ltd | 0 | $0 | 0.00% | −2,203−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −1,892,110−100.0% | Sold out |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −1,410,826−100.0% | Sold out |
| Cooper Creek Partners Management LLC | 0 | $0 | 0.00% | −1,193,895−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −727,275−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −493,370−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −249,747−100.0% | Sold out |
| Telemark Asset Management, LLC | 0 | $0 | 0.00% | −230,000−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −185,065−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −84,173−100.0% | Sold out |
| Lombard Odier Asset Management (USA) Corp | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −61,256−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −46,600−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −21,264−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −20,591−100.0% | Sold out |
| B. Riley Asset Management, LLC | 0 | $0 | 0.00% | −17,675−100.0% | Sold out |
| Fullcircle Wealth LLC | 0 | $0 | 0.00% | −14,140−100.0% | Sold out |
| Keybank National Association | 0 | $0 | 0.00% | −11,330−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −408−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −4−100.0% | Sold out |