Comparable stake leader
Viola Growth Management Fund 2 Ltd.
SEC ownership of SIMILARWEB LTD.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001842731.
Disclosed value leader
Viola Growth Management Fund 2 Ltd.
Comparable rows
50/50
Latest evidence
20 May 2026
- Public ticker
- SMWB on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Viola Growth Management Fund 2 Ltd.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Viola Growth Management Fund 2 Ltd.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
20 May 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001842731
- Issuer location
- Givatayim
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of SIMILARWEB LTD. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Viola Growth Management F...
Disclosed value leader
Viola Growth Management F...
Comparable rows
50/50
Latest evidence
20 May 2026
13D/G
13F
3/4/5
Lead comparable stake: 13%
13D/G row: Viola Growth Management Fund 2 Ltd.
Showing 1-8 of 50 holder rows.
Quick read
Viola Growth Management Fund 2 Ltd. leads the comparable SEC ownership view at 13%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Viola Growth Management Fund 2 Ltd.'s linked filing trail.
Comparable ownership
Top 5
Viola Growth Management Fund 2 Ltd.
13%
Phoenix Financial Ltd.
2.9%
Moshe Beit On
13%
Joshua Alliance
10%
NASPERS LTD
13%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Viola Growth Management Fund 2 Ltd. |
13D/G
Harel Beit-On
|
13%
|
$82,486,236
10,810,778 shares
|
$0 | 31 Dec 2024 |
| Phoenix Financial Ltd. |
13D/G
13F
Company
|
2.9%
|
$13,264,676
2,502,769 shares
|
-$8,853,942 | 18 Feb 2026 |
| Moshe Beit On |
3/4/5
Director
|
13%
|
$42,345,676
10,885,778 shares
|
+$291,750 | 20 May 2026 |
| Joshua Alliance |
3/4/5
Director
|
10%
|
$66,540,785
8,883,950 shares
|
— | 13 Apr 2026 |
| NASPERS LTD |
13F
Company
|
13%
|
$29,162,222
11,173,265 shares
|
— | 31 Mar 2026 |
| MENORA MIVTACHIM HOLDINGS LTD. |
13F
Company
|
4.6%
|
$10,480,439
4,015,494 shares
|
— | 31 Mar 2026 |
| ION Crossover Partners Ltd |
13F
Company
|
3.5%
|
$7,910,456
3,030,826 shares
|
— | 31 Mar 2026 |
| Ulysses Management LLC |
13F
Company
|
3.5%
|
$7,826,017
2,998,474 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$1,020,716.
Buys
$1,020,716
Insiders: 4
Sells
$0
Insiders: 0
Net
+$1,020,716
Shares: +271,105
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 271,105
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 271,105 | 0 | $1,020,716 | $0 | +$1,020,716 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-10 of 10 reporting-owner rows connected to SIMILARWEB LTD.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Joshua Alliance
Net 12M change
+$1,020,716
Latest report
01 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Joshua Alliance | Director | $66,540,785 | Mixed | 13 Apr 2026 | ||
| Moshe Beit On | Director | $42,345,676 | +$291,750 | +0.69% | Filing P/S | 20 May 2026 |
| Or Offer | Chief Executive Officer, Director | $19,689,243 | +$407,086 | +2.1% | Filing P/S | 01 Jun 2026 |
| Benjamin Seror | Director | $2,368,712 | Mixed | 26 Mar 2026 | ||
| Barak Eilam | Director | $391,075 | +$193,000 | +97% | Filing P/S | 21 May 2026 |
| Joseph del Preto | Director | $278,193 | Mixed | 10 Apr 2026 | ||
| Tamar Rapaport-Dagim | Director | $204,867 | +$128,880 | +170% | Filing P/S | 18 May 2026 |
| Kippster Stephen Bodnar | Director | $78,180 | Mixed | 09 Apr 2026 | ||
| Lisa M. Campbell | Director | $39,090 | Mixed | 26 Mar 2026 | ||
| Ran Vered | Chief Financial Officer | Mixed | 26 Mar 2026 |
Recent insider transactions for SIMILARWEB LTD.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Or Offer | SMWB | Ordinary Shares | Purchase | 1.07% | $207,500 | $4.15 | 50,000 | 4,744,396 | 01 Jun 2026 | Direct |
| Barak Eilam | SMWB | Ordinary Shares | Purchase | 97.4% | $193,000 | $3.86 | 50,000 | 101,315 | 21 May 2026 | Direct |
| Moshe Beit On | SMWB | Ordinary Shares | Purchase | 0.69% | $291,750 | $3.89 | 75,000 | 10,885,778 | 20 May 2026 | Direct |
| Or Offer | SMWB | Ordinary Shares | Purchase | 1.14% | $189,650 | $3.58 | 53,000 | 4,694,396 | 19 May 2026 | Direct |
| Or Offer | SMWB | Ordinary Shares | Purchase | 0.07% | $9,936 | $3.20 | 3,105 | 4,641,396 | 18 May 2026 | Direct |
| Tamar Rapaport-Dagim | SMWB | Ordinary Shares | Purchase | 169.6% | $128,880 | $3.22 | 40,000 | 63,584 | 18 May 2026 | Direct |
* marks a reported price that did not pass the local price check.