Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in DRTS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | HighTower Advisors, LLC | 875K | $6.2M | +27.5% | 0.994% | 0.01% |
| 2 | Aquamarine Financial (Cayman) Ltd | 722K | $5.1M | β | 0.820% | 0.37% |
| 3 | Apella Capital, LLC | 382K | $3.1M | 0.0% | 0.434% | 0.05% |
| 4 | ARK Investment Management LLC | 292K | $2.1M | β | 0.332% | 0.02% |
| 5 | UBS Group AG | 287K | $2.0M | +1285.0% | 0.326% | 0.00% |
| 6 | Kovitz Investment Group Partners, LLC | 147K | $1.0M | -6.8% | 0.167% | 0.02% |
| 7 | Daytona Street Capital LLC | 146K | $1.0M | -3.4% | 0.166% | 0.80% |
| 8 | Mariner, LLC | 146K | $1.0M | +17.0% | 0.166% | 0.00% |
| 9 | Gem Investment Advisors, LLC | 114K | $804K | β | 0.129% | 0.39% |
| 10 | LEVIN CAPITAL STRATEGIES, L.P. | 106K | $752K | -41.6% | 0.121% | 0.06% |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 83K | $590K | β | 0.095% | 0.00% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 53K | $378K | +40.9% | 0.061% | 0.00% |
| 13 | WELLS FARGO & COMPANY/MN | 49K | $349K | +109.8% | 0.056% | 0.00% |
| 14 | Private Advisor Group, LLC | 48K | $336K | 0.0% | 0.054% | 0.00% |
| 15 | MILLENNIUM MANAGEMENT LLC | 46K | $328K | -56.9% | 0.053% | 0.00% |
| 16 | BANK OF AMERICA CORP /DE/ | 41K | $293K | -6.2% | 0.047% | 0.00% |
| 17 | SATOVSKY ASSET MANAGEMENT LLC | 41K | $288K | -24.1% | 0.046% | 0.05% |
| 18 | RENAISSANCE TECHNOLOGIES LLC | 40K | $286K | β | 0.046% | 0.00% |
| 19 | NORTHERN TRUST CORP | 33K | $236K | -1.2% | 0.038% | 0.00% |
| 20 | Focus Partners Wealth | 32K | $228K | 0.0% | 0.037% | 0.00% |
| 21 | Cerity Partners LLC | 32K | $226K | β | 0.036% | 0.00% |
| 22 | Summit Financial, LLC | 30K | $212K | -31.9% | 0.034% | 0.00% |
| 23 | GOLDMAN SACHS GROUP INC | 26K | $185K | β | 0.030% | 0.00% |
| 24 | MORGAN STANLEY | 24K | $173K | +28.0% | 0.028% | 0.00% |
| 25 | WOODSTOCK CORP | 21K | $146K | β | 0.023% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in DRTS β a direct measure of their conviction.
Filings activity in DRTS during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 49 | +44% | 3.28% | +1.99 pp | $28M | +153% |
| Q4 2025 | 34 | +9.7% | 1.29% | +0.34 pp | $11M | +36% |
| Q3 2025 | 31 | +29% | 0.95% | +0.38 pp | $8M | +67% |
| Q2 2025 | 24 | +0.0% | 0.57% | +0.23 pp | $5M | +70% |
| Q1 2025 | 24 | +9.1% | 0.34% | 0.01 pp | $3M | 2.9% |
| Q4 2024 | 22 | 8.3% | 0.35% | +0.10 pp | $3M | +36% |
| Q3 2024 | 24 | 7.7% | 0.25% | 0.13 pp | $2M | 33% |
| Q2 2024 | 26 | β | 0.38% | β | $3M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying DRTS stock.
Based on Q1 2026 13F filings, institutional ownership of Alpha Tau Medical Ltd. stands at 3.3%, held across 49 reporting institutions.
HighTower Advisors, LLC is the largest reported institutional holder of DRTS, with approximately 874,994 shares worth $0.01B as of Q1 2026.
Yes β 4 widely-followed marquee investors appear among the top 25 institutional holders of DRTS, including ARK Investment Management LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, MILLENNIUM MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for DRTS is 83 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
17 institutions opened new positions in DRTS during Q1 2026, while 2 fully exited. 25 added to existing positions and 6 trimmed.
DRTS institutional ownership rose by 1.99 percentage points quarter-over-quarter, with a net change of +15 holders.
The top 10 institutions account for 81.4% of all reported 13F value in DRTS, and the top 25 account for 96.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.