Institutional HoldersBeta
Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.
Share classes (cover page of the 10-Q filed 2026-08-07, as of 2026-08-03)
| Class | Listed | Shares outstanding | Held by 13F filers | % of class | Holders | CUSIP |
|---|---|---|---|---|---|---|
| Common stock | ENTX · NASDAQ | 173,141,831 | 10,728,883 | 6.2% | 27 | M40527109 |
Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.
Top holders (27 of 27 · M40527109)
change vs 2026-03-31| # | Filer | Shares | % of class | Value | Change |
|---|---|---|---|---|---|
| 1 | Knoll Capital Management, LLC | 5,881,879 | 3.40% | $10.4M | — |
| 2 | BVF INC/IL | 2,425,000 | 1.40% | $4.3M | NEW |
| 3 | Siren, L.L.C. | 736,457 | 0.43% | $1.3M | NEW |
| 4 | RENAISSANCE TECHNOLOGIES LLC | 368,847 | 0.21% | $653K | -104,595 (-22.1%) |
| 5 | Parkman Healthcare Partners LLC | 274,497 | 0.16% | $486K | -14,173 (-4.9%) |
| 6 | PNC Financial Services Group, Inc. | 273,031 | 0.16% | $483K | +263,031 (+2630.3%) |
| 7 | Seven Fleet Capital Management LP | 191,354 | 0.11% | $339K | -14,188 (-6.9%) |
| 8 | HighTower Advisors, LLC | 74,573 | 0.04% | $133K | +37,743 (+102.5%) |
| 9 | HRT FINANCIAL LP | 72,486 | 0.04% | $128K | +56,994 (+367.9%) |
| 10 | Schonfeld Strategic Advisors LLC | 58,871 | 0.03% | $104K | +3,648 (+6.6%) |
| 11 | TWO SIGMA SECURITIES, LLC | 48,593 | 0.03% | $86K | NEW |
| 12 | SIGNATURE ESTATE & INVESTMENT ADVISORS LLC | 47,328 | 0.03% | $84K | — |
| 13 | JPMORGAN CHASE & CO | 40,883 | 0.02% | $67K | +33,733 (+471.8%) |
| 14 | CITADEL ADVISORS LLC | 38,804 | 0.02% | $69K | -206,773 (-84.2%) |
| 15 | Virtu Financial LLC | 36,921 | 0.02% | $65K | NEW |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 29,908 | 0.02% | $53K | +8,772 (+41.5%) |
| 17 | DIADEMA PARTNERS LP | 23,260 | 0.01% | $41K | — |
| 18 | XTX Topco Ltd | 20,559 | 0.01% | $36K | -111,063 (-84.4%) |
| 19 | Gem Investment Advisors, LLC | 19,135 | 0.01% | $34K | — |
| 20 | JANE STREET GROUP, LLC | 17,331 | 0.01% | $31K | -15,584 (-47.3%) |
| 21 | SIMPLEX TRADING, LLC | 15,698 | 0.01% | $28K | NEW |
| 22 | SG Americas Securities, LLC | 13,913 | 0.01% | $25K | NEW |
| 23 | UBS Group AG | 12,723 | 0.01% | $23K | +9,511 (+296.1%) |
| 24 | Persistent Asset Partners Ltd | 5,881 | 0.00% | $10K | — |
| 25 | MORGAN STANLEY | 500 | 0.00% | $885 | +100 (+25.0%) |
| 26 | BNP PARIBAS FINANCIAL MARKETS | 400 | 0.00% | $708 | NEW |
| 27 | GROUP ONE TRADING LLC | 51 | 0.00% | $90 | — |
Exited since 2026-03-31 (6 filers; largest 6 shown)
| MARSHALL WACE, LLP | −195,780 |
| NORTHERN TRUST CORP | −146,854 |
| Point72 Asset Management, L.P. | −12,382 |
| BANK OF AMERICA CORP /DE/ | −12,000 |
| Caitong International Asset Management Co., Ltd | −20 |
| SBI Securities Co., Ltd. | −2 |
Large holders from 13D/13G (latest per reporting person, last 2 years)
Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.
| Reporting person | Form | Filed | Event | Shares | % of class |
|---|---|---|---|---|---|
| Patrick G. Enright | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 7,843,138 | 4.6% |
| Seven Fleet Master Fund LP | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 5,093,114 | 3% |
| Biotechnology Value Trading Fund OS LP | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 1,124,329 | 0.7% |
| Brian Liu | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 7,053,898 | 4.1% |
| BVF GP HOLDINGS LLC | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 15,857,221 | 9.2% |
| BVF I GP LLC | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 9,171,741 | 5.3% |
| BVF II GP LLC | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 6,685,480 | 3.9% |
| BVF INC/IL | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 17,225,121 | 9.99% |
| BIOTECHNOLOGY VALUE FUND II LP | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 6,685,480 | 3.9% |
| BVF Partners OS Ltd. | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 1,124,329 | 0.7% |
| Chen Yu | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 12,254,901 | 7.1% |
| Juliet Tammenoms Bakker | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 7,843,138 | 4.6% |
| LAMPERT MARK N | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 17,225,121 | 9.99% |
| Longitude Capital Partners V, LLC | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 7,843,138 | 4.6% |
| BIOTECHNOLOGY VALUE FUND L P | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 9,171,741 | 5.3% |
| Vivo Opportunity, LLC | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 11,817,401 | 6.9% |
| BVF PARTNERS L P/IL | SCHEDULE 13D | 2026-08-04 | 2026-07-28 | 17,225,121 | 9.99% |
| Vivo Opportunity Fund Holdings, L.P. | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 4,330,882 | 2.5% |
| Vivo Opportunity Co-Invest, L.P. | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 2,718,137 | 1.6% |
| Seven Fleet Capital Management GP LLC | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 7,053,898 | 4.1% |
| Seven Fleet Capital Management LP | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 7,053,898 | 4.1% |
| Seven Fleet Horizon Master Fund LP | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 1,960,784 | 1.1% |
| Longitude Venture Partners V, L.P. | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 7,843,138 | 4.6% |
| Vivo Opportunity Co-Invest (Cycle 3), L.P. | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 4,768,382 | 2.8% |
| TCG Crossover Fund III, L.P. | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 12,254,901 | 7.1% |
| TCG Crossover GP III, LLC | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 12,254,901 | 7.1% |
| Vivo Opportunity Cayman Fund, L.P. | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 437,500 | 0.3% |
| Vivo Opportunity Cayman, LLC | SCHEDULE 13G | 2026-08-04 | 2026-07-28 | 437,500 | 0.3% |
| Steven A. Cohen | SCHEDULE 13G/A | 2025-11-14 | 2025-09-30 | 1,183,116 | 2.6% |
| Point72 Capital Advisors, Inc. | SCHEDULE 13G/A | 2025-11-14 | 2025-09-30 | 1,183,116 | 2.6% |
| Point72 Asset Management, L.P. | SCHEDULE 13G/A | 2025-11-14 | 2025-09-30 | 1,183,116 | 2.6% |
| OPKO HEALTH, INC. | SCHEDULE 13G | 2025-04-02 | 2025-03-16 | 3,685,226 | 8.1% |
Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.