HRTX Institutional Ownership
Top institutional (13F) holders of HRTX and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
32
Institutional value
$19.61M
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 5.6% | Aug 7, 2026 | $4.5M |
| Vanguard Capital Managementinvestment advisor | 4.1% | Aug 13, 2026 | $3.32M |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | 2.1% | Aug 14, 2026 | $1.74M |
| STATE STREET CORPORATIONholding company | 1.7% | Sep 22, 2026 | $1.38M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.2% | Nov 6, 2026 | $1.29M |
| UBS Group AGbank | 1.6% | Aug 13, 2026 | $1.28M |
| MARSHALL WACE, LLPinvestment advisor | 1.2% | Aug 13, 2026 | $1.01M |
| Vanguard Portfolio Managementinvestment advisor | 0.8% | Aug 13, 2026 | $674.9K |
| AQR CAPITAL MANAGEMENT LLCinvestment advisor | 0.8% | Aug 14, 2026 | $663.2K |
| RENAISSANCE TECHNOLOGIES LLCinvestment advisor | 0.8% | Aug 13, 2026 | $643.1K |
| GOLDMAN SACHS GROUP INCinvestment advisor | 0.7% | Aug 14, 2026 | $567.5K |
| NORTHERN TRUST CORPinvestment advisor | 0.6% | Aug 13, 2026 | $522.2K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 0.6% | Aug 14, 2026 | $519.6K |
| NEW YORK STATE COMMON RETIREMENT FUNDinvestment advisor | 0.4% | Jul 29, 2026 | $296.3K |
| AllianceBernstein L.P.investment advisor | 0.2% | Aug 14, 2026 | $240K |
| Invesco Ltd.holding company | 0.2% | Aug 14, 2026 | $173.6K |
| Bank of New York Mellon Corpholding company | 0.2% | Nov 5, 2026 | $118.7K |
| TWO SIGMA INVESTMENTS, LPinvestment advisor | 0.1% | Aug 14, 2026 | $113.7K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 0.1% | Aug 14, 2026 | $111.4K |
| FMR LLCinvestment advisor | 0.1% | Aug 13, 2026 | $96.8K |
| WELLS FARGO & COMPANY/MNinvestment advisor | 0.1% | Aug 14, 2026 | $65.3K |
| D. E. Shaw & Co., Inc.investment advisor | 0.1% | Aug 14, 2026 | $51.4K |
| T. Rowe Price Associates, Inc.investment advisor | 0.1% | Aug 14, 2026 | $48K |
| MORGAN STANLEYholding company | 0.1% | Aug 13, 2026 | $47.7K |
| BANK OF AMERICA CORP /DE/holding company | 0.1% | Aug 14, 2026 | $46.2K |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| Rubric Capital Management LPinvestment advisorwith David Rosen | SC 13D/A | 15.9% | Oct 17, 2025 |
| Clearline Capital LLCholding companywith Clearline Capital LP and Marc Majzner | SC 13G/A | 6.7% | Feb 17, 2026 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.