DRTS
Alpha Tau Medical Ltd.Company with tickers: DRTS, DRTSW
CIK
1871321
CUSIP
M0740A108
Shares Outstanding
90,325,876
Website
https://www.alphatau.com
13F Activity (30d)
16 filings
15 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 40
Total Value: $22,498,499
Total Shares: 3,182,251
Institutional Ownership Trend
18 quarters
Holder Concentration
Across 40 13F filers · Δ vs Dec 31, 2025Top Holder
27.5%
−3.4 pts
Top 5
71.4%
+1.1 pts
Top 10
87.2%
−1.9 pts
HHI
1,523
Moderately concentrated+3
Quarterly Activity
vs Dec 31, 2025
New
12
Increased
5
Decreased
12
Sold Out
3
Unchanged
11
Holder count:
+9
Institutional value:
+104.9%
Shares held:
+43.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Large HighTower Advisors, LLC | +188,440 | 874,994 | |
| Large Mariner, LLC | +21,231 | 146,396 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +15,506 | 53,399 | |
| Micro Caitlin John, LLC | +265 | 1,765 | |
| Large JONES FINANCIAL COMPANIES LLLP | +175 | 400 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid LEVIN CAPITAL STRATEGIES, L.P. | −75,808 | 106,423 | |
| Small Gem Investment Advisors, LLC | −32,079 | 113,736 | |
| Mid Summit Financial, LLC | −14,046 | 30,000 | |
| Micro SATOVSKY ASSET MANAGEMENT LLC | −12,900 | 40,706 | |
| Mid NorthCoast Asset Management LLC | −10,720 | 147,138 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid Aquamarine Financial (Cayman) Ltd | 721,501 | $5,101,012 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 83,438 | $589,906 | |
| Large Cerity Partners LLC | 32,012 | $226,324 | |
| Large Tidal Investments LLC | 25,093 | $177,407 | |
| Mid WOODSTOCK CORP | 20,609 | $145,705 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega UBS Group AG | 20,700 | $102,464 | |
| Small Quent Capital, LLC | 20,000 | $99,000 | |
| Mid SIMPLEX TRADING, LLC | 911 | $4,509 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Large HighTower Advisors, LLC | $6,186,207 | 27.50% | 874,994 | Shares | Sole | 2026-05-05 | ||||
| Mid Aquamarine Financial (Cayman) Ltd | $5,101,012 | 22.67% | 721,501 | Shares | Sole | 2026-05-15 | ||||
| Small Apella Capital, LLC | $2,702,747 | 12.01% | 382,284 | Shares | Sole | 2026-04-20 | ||||
| Mid NorthCoast Asset Management LLC | $1,040,265 | 4.62% | 147,138 | Shares | Sole | 2026-05-13 | ||||
| Large Mariner, LLC | $1,035,019 | 4.60% | 146,396 | Shares | Sole | 2026-05-13 | ||||
| Small Daytona Street Capital LLC | $1,032,969 | 4.59% | 146,106 | Shares | Sole | 2026-04-10 | ||||
| Small Gem Investment Advisors, LLC | $804,113 | 3.57% | 113,736 | Shares | Sole | 2026-05-15 | ||||
| Mid LEVIN CAPITAL STRATEGIES, L.P. | $752,410 | 3.34% | 106,423 | Shares | Other | 2026-05-13 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $377,530 | 1.68% | 53,399 | Shares | Defined | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $358,449 | 1.59% | 50,700 | Call | Other | 2026-05-15 | ||||
| Mid Private Advisor Group, LLC | $336,411 | 1.50% | 47,583 | Shares | Sole | 2026-04-27 | ||||
| Micro SATOVSKY ASSET MANAGEMENT LLC | $287,791 | 1.28% | 40,706 | Shares | Sole | 2026-05-14 | ||||
| Mega NORTHERN TRUST CORP Bank | $235,664 | 1.05% | 33,333 | Shares | Defined | 2026-05-14 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $231,457 | 1.03% | 32,738 | Shares | Other | 2026-05-15 | ||||
| Large Focus Partners Wealth | $228,113 | 1.01% | 32,265 | Shares | Sole | 2026-05-15 | ||||
| Large Cerity Partners LLC | $226,324 | 1.01% | 32,012 | Shares | Sole | 2026-05-15 | ||||
| Mid Summit Financial, LLC | $212,100 | 0.94% | 30,000 | Shares | Sole | 2026-05-15 | ||||
| Large Tidal Investments LLC | $177,407 | 0.79% | 25,093 | Shares | Sole | 2026-05-15 | ||||
| Mid WOODSTOCK CORP | $145,705 | 0.65% | 20,609 | Shares | Sole | 2026-04-08 | ||||
| Micro Financial Guidance Group, Inc. | $141,400 | 0.63% | 20,000 | Shares | Sole | 2026-04-23 | ||||
| Mid Aptus Capital Advisors, LLC | $141,400 | 0.63% | 20,000 | Shares | Sole | 2026-05-11 | ||||
| Mid XTX Topco Ltd | $134,464 | 0.60% | 19,019 | Shares | Defined | 2026-05-15 | ||||
| Mega PRINCIPAL FINANCIAL GROUP INC | $132,046 | 0.59% | 18,677 | Shares | Defined | 2026-05-04 | ||||
| Mega NEUBERGER BERMAN GROUP LLC | $106,050 | 0.47% | 15,000 | Shares | Defined | 2026-05-14 | ||||
| Small Opal Wealth Advisors, LLC | $70,700 | 0.31% | 10,000 | Shares | Sole | 2026-04-14 | ||||
| Mid Equitable Holdings, Inc. | $70,700 | 0.31% | 10,000 | Shares | Defined | 2026-05-15 | ||||
| Small Trifecta Capital Advisors, LLC | $68,579 | 0.30% | 9,700 | Shares | Sole | 2026-05-01 | ||||
| Small Tower View Wealth Management LLC | $39,351 | 0.17% | 5,566 | Shares | Sole | 2026-04-20 | ||||
| Large BESSEMER GROUP INC | $26,300 | 0.12% | 3,720 | Shares | Defined | 2026-05-06 | ||||
| Large Steward Partners Investment Advisory, LLC | $23,331 | 0.10% | 3,300 | Shares | Sole | 2026-05-08 | ||||
| Large TD Waterhouse Canada Inc. | $18,155 | 0.08% | 2,568 | Shares | Defined | 2026-05-12 | ||||
| Mid Altshuler Shaham Ltd | $16,261 | 0.07% | 2,300 | Shares | Defined | 2026-05-18 | ||||
| Micro Caitlin John, LLC | $12,478 | 0.06% | 1,765 | Shares | Sole | 2026-05-13 | ||||
| Large BROWN BROTHERS HARRIMAN & CO | $5,797 | 0.03% | 820 | Shares | Sole | 2026-05-14 | ||||
| Micro Private Wealth Management Group, LLC | $5,316 | 0.02% | 752 | Shares | Sole | 2026-04-23 | ||||
| Mid EFG International AG | $4,949 | 0.02% | 700 | Shares | Defined | 2026-05-15 | ||||
| Mega CITIGROUP INC | $3,535 | 0.02% | 500 | Shares | Defined | 2026-05-11 | ||||
| Large JONES FINANCIAL COMPANIES LLLP | $2,828 | 0.01% | 400 | Shares | Sole | 2026-05-15 | ||||
| Large OSAIC HOLDINGS, INC. | $1,979 | 0.01% | 280 | Shares | Defined | 2026-05-15 | ||||
| Mid GROUP ONE TRADING LLC | $707 | 0.00% | 100 | Shares | Sole | 2026-05-13 | ||||
| Small Caitong International Asset Management Co., Ltd | $480 | 0.00% | 68 | Shares | Sole | 2026-05-11 | ||||
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