Alpha Tau Medical Ltd
Ownership
Ownership Structure
Who owns Alpha Tau Medical Ltd (DRTS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 69.3% of the shares are freely tradable; institutional investors hold 4.9%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Gem Investment Advisors, LLC | 1.55 | 1,434,476 | +1,161.2 | 06/30/2026 |
| HighTower Advisors, LLC | 0.95 | 874,994 | +0.0 | 06/30/2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | 0.84 | 773,481 | +0.0 | 06/30/2026 |
| Aquamarine Financial (Cayman) Ltd | 0.78 | 721,501 | +0.0 | 06/30/2026 |
| Pier Capital, LLC | 0.75 | 691,939 | +0.0 | 06/30/2026 |
| UBS Group AG | 0.69 | 642,263 | +124.0 | 06/30/2026 |
| Apella Capital, LLC | 0.41 | 382,284 | +0.0 | 06/30/2026 |
| ARK Investment Management LLC | 0.30 | 277,086 | -5.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core MSCI EAFE ETF | 0.51 | 470,946 | +0.3 | 09/30/2026 |
| SEB Nordamerikafond Småbolag | 0.29 | 266,027 | -3.3 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Levy Raphi | Chief Financial Officer | 90,180 | 1,181,358 $ | Aug 21, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 21, 2026 | Levy Raphi | Chief Financial Officer | Sell | 2,871 | 15.00 | 43,073 |
| Aug 21, 2026 | Levy Raphi | Chief Financial Officer | Other | 2,871 | 2.98 | 8,556 |
| Aug 11, 2026 | Levy Raphi | Chief Financial Officer | Sell | 17,730 | 14.00 | 248,277 |
| Aug 11, 2026 | Levy Raphi | Chief Financial Officer | Other | 17,730 | 2.98 | 52,835 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.