Security key
M84137104
SIMILARWEB LTD. - Ordinary shares, par value 0.01 NIS (SMWB)
CUSIP: M84137104
Q3 2021 13F Holders as of 30 Sep 2021
- Security type / class
- Equity / Ordinary shares, par value 0.01 NIS
- Total 13F shares
- 14,519,959
- Total 13F value
- $303,896,319
- Share change
- -406,777
- SEC-reported price per share
- $20.93
- Number of holders
- 34
- Value change
- -$6,442,609
- Number of buys
- 15
- Number of sells
- 34
- Shares outstanding
- 86,901,701
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2021
Institutions
34
Top holders
10
SMWB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2021
Previous quarter: Q2 2021
SIMILARWEB LTD. SEC filings
SIMILARWEB LTD. company facts
Broader feeds
Reporting periods
Holder history for CUSIP M84137104
Recent filing periods:
Ownership snapshot
Top reported holders of SMWB - SIMILARWEB LTD. - Ordinary shares, par value 0.01 NIS (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
ION Crossover Partners Ltd
Disclosed value leader
ION Crossover Partners Ltd
Comparable rows
15/15
Latest evidence
30 Jun 2021
13F
Lead comparable stake: 6.6%
Showing 1-6 of 15 holder rows.
Quick read
ION Crossover Partners Ltd leads the comparable SEC ownership view at 6.6%.
15 of 15 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 ION Crossover Partners Ltd's linked filing trail.
Comparable ownership
Top 5
ION Crossover Partners Ltd
6.6%
Alpha Family Trust
1.9%
Ion Asset Management Ltd.
1.2%
LUMINUS MANAGEMENT LLC
0.93%
FMR LLC
0.81%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ION Crossover Partners Ltd |
13F
Company
|
6.6%
|
$113,712,000
5,772,183 shares
|
— | 30 Jun 2021 |
| Alpha Family Trust |
13F
Company
|
1.9%
|
$33,231,000
1,686,832 shares
|
— | 30 Jun 2021 |
| Ion Asset Management Ltd. |
13F
Company
|
1.2%
|
$20,720,000
1,051,753 shares
|
— | 30 Jun 2021 |
| LUMINUS MANAGEMENT LLC |
13F
Company
|
0.93%
|
$15,918,000
808,015 shares
|
— | 30 Jun 2021 |
| FMR LLC |
13F
Company
|
0.81%
|
$13,794,000
700,195 shares
|
— | 30 Jun 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
0.81%
|
$13,789,000
699,967 shares
|
— | 30 Jun 2021 |
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.
13F holder rows
Institutional holders as of Q3 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
34
Shares
14,519,959
Rows available
34
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2021 vs Q2 2021 Across Filers
Q2 2021 holders
45
Q3 2021 holders
34
Holder diff
-11
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend