As of November 6, 2026, Zura Bio Ltd is a publicly traded company (Nasdaq: ZURA). The largest holder reporting an active stake on Schedule 13D is AI Biotechnology LLC (an Access Industries fund, per the filing), at 18.2%. No bankruptcy or receivership appears in its SEC Form 8-K filings (Schedule 13D/A, March 2, 2026).
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Is Zura Bio Ltd a real, registered company?
- Zura Bio Limited files with the SEC under CIK 1855644 (its SEC filings).
- Its shares are listed under the ticker ZURA on Nasdaq (SEC company record).
- Incorporated in E9; business address in La Jolla, California, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Zura Bio Ltd in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Someit Sidhu, Director (Form 8-K filed 2026-05-22). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Venrock Healthcare Capital Partners III, L.P. (filed 2026-05-15).
Who are Zura Bio Ltd's owners and officers?
Zura Bio Ltd: business address in La Jolla, California; industry Biological Products, (No Diagnostic Substances) (Form D, 2026-05-22).
Officers and directors, each with the role and the filing that names them:
- : Director (Form D, 2024-05-06)
- : Executive Officer (Form D, 2024-05-06)
- : Executive Officer (Form D, 2024-05-06)
- : Executive Officer (Form D, 2024-05-06)
- : Executive Officer (Form D, 2024-05-06)
- : Director (Form D, 2024-05-06)
- : Director (Form D, 2024-05-06)
- : Director (Form D, 2024-05-06)
- : Director (Form D, 2024-05-06)
- : Director (Form D, 2024-05-06)
- : Director (Form D, 2024-05-06)
- : Director (Form D, 2024-05-06)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-05-15 | Great Point Partners, LLC | 4.44% |
| Schedule 13G/A, 2026-05-15 | Venrock Healthcare Capital Partners Iii, L.P. | 9.9% |
| Schedule 13G/A, 2026-05-12 | Suvretta Capital Management, LLC | 9.9% |
| Schedule 13G/A, 2026-05-06 | Jpmorgan Chase & Co | 4.7% |
| Schedule 13D/A, 2026-03-02 | Ai Biotechnology LLC | 18.2% |
| Schedule 13G/A, 2026-02-17 | Great Point Partners, LLC | 5.18% |
| Schedule 13G/A, 2026-02-13 | Suvretta Capital Management, LLC | 8.6% |
| Schedule 13D, 2026-01-27 | Athanor Capital | 15.7% |
| Schedule 13G, 2026-01-02 | Athanor Capital | 15.7% |
| Schedule 13G/A, 2025-11-14 | Great Point Partners, LLC | 5.87% |
| Schedule 13G/A, 2025-11-14 | Deep Track Capital, LP | 0.4% |
| Schedule 13G/A, 2025-08-14 | Venrock Healthcare Capital Partners Iii, L.P. | 9.9% |
Questions about who owns Zura Bio Ltd
Who owns Zura Bio Ltd?
On this page, 4 holders' latest ownership filings report 5% or more of Zura Bio Ltd: Ai Biotechnology LLC (18.2%, Schedule 13D/A, filed 2026-03-02), Athanor Capital (15.7%, Schedule 13D, filed 2026-01-27), Venrock Healthcare Capital Partners Iii, L.P. (9.9%, Schedule 13G/A, filed 2026-05-15) and Suvretta Capital Management, LLC (9.9%, Schedule 13G/A, filed 2026-05-12).
Who are the largest shareholders of Zura Bio Ltd?
By the share each holder's latest filing reports, the largest holders of Zura Bio Ltd on this page are Ai Biotechnology LLC (18.2%), Athanor Capital (15.7%) and Venrock Healthcare Capital Partners Iii, L.P. (9.9%).
When did Ai Biotechnology LLC buy into Zura Bio Ltd?
The filings give report dates, not purchase dates. The earliest filing from Ai Biotechnology LLC on this page is the Schedule 13D/A, filed 2026-03-02, reporting 18.2%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-05-22 | Someit Sidhu | Director | departed | 2026-05-21 |
| Form 8-K, 2026-04-23 | Marlyn Mathew | Vice President, Finance and Accounting | appointed |
Which insiders own Zura Bio Ltd shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- UGS Capital LLC, a 10% owner: 11,581,402 shares (12.0% of shares outstanding), on a joint filing (Form 3, 2026-01-02).
- Athanor Capital, a 10% owner: 11,581,402 shares (12.0% of shares outstanding), on a joint filing (Form 3, 2026-01-02).
- Access Industries Holdings LLC, a 10% owner: 6,552,725 shares (6.8% of shares outstanding), on a joint filing (Form 4, 2026-03-02).
- AI Biotechnology LLC, a 10% owner: 6,552,725 shares (6.8% of shares outstanding), on a joint filing (Form 4, 2026-03-02).
- Access Industries Management, LLC, a 10% owner: 6,552,725 shares (6.8% of shares outstanding), on a joint filing (Form 4, 2026-03-02).
Shares outstanding: 96,325,411 as of 2026-10-27, from the company's latest SEC cover page.
How much has Zura Bio Ltd raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2024-05-06 | $112.50M | $112.52M |
| Form D, 2023-05-05 | $15.94M | $80M |
Keep reading
More on Zura Bio Ltd and the records around it.
Zura Bio Ltd elsewhere on the record
- Leadership changes Jun 2026
- 5%+ stake filings May 2026
Companies that share a holder
- AI Biotechnology LLC also filed stake reports on 3 other companies: Latigo Biotherapeutics, Inc. (Nov 2026), Yarrow Bioscience, Inc. (Jul 2026), OnKure Therapeutics, Inc. (Apr 2026)
- Great Point Partners, LLC also filed stake reports on 14 other companies: LeonaBio, Inc. (Nov 2026), Research Alliance Corporation III (Sep 2026), JATT III Acquisition Corp (Sep 2026)
- Suvretta Capital Management, LLC also filed stake reports on 22 other companies: Veradermics, Inc (Aug 2026), Abeona Therapeutics Inc. (Aug 2026), Fulcrum Therapeutics, Inc. (Aug 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
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https://mentionfox.com/who-owns/zura-bio