As of November 6, 2026, MeiraGTx Holdings plc is a publicly traded company (Nasdaq: MGTX). The largest holder reporting an active stake on Schedule 13D is Perceptive Advisors, at 12.6%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Rubric Capital Management LP (9.83%) (Schedule 13D/A, April 24, 2026).
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Is MeiraGTx Holdings plc a real, registered company?
- MeiraGTx Holdings plc files with the SEC under CIK 1735438 (its SEC filings).
- Its shares are listed under the ticker MGTX on Nasdaq (SEC company record).
- business address in New York, New York, 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 MeiraGTx Holdings plc in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Alan M. Sebulsky (Form 8-K filed 2026-09-23). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Rubric Capital Management LP (filed 2026-08-14).
Who are MeiraGTx Holdings plc's owners and officers?
MeiraGTx Holdings plc: business address in New York, New York; industry Biological Products, (No Diagnostic Substances) (Form D, 2026-09-23).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-14 | Rubric Capital Management LP | 9.83% |
| Schedule 13G/A, 2026-05-13 | Adage Capital Management, L.P. | 4.91% |
| Schedule 13D/A, 2026-04-24 | Perceptive Advisors LLC | 12.6% |
| Schedule 13G/A, 2026-02-13 | Prosight Management, LP | 4% |
| Schedule 13G, 2026-02-13 | Rubric Capital Management LP | 7.9% |
| Schedule 13D/A, 2026-01-02 | Perceptive Advisors LLC | 12.9% |
| Schedule 13G/A, 2025-11-13 | Adage Capital Management, L.P. | 5.2% |
Questions about who owns MeiraGTx Holdings plc
Who owns MeiraGTx Holdings plc?
On this page, 2 holders' latest ownership filings report 5% or more of MeiraGTx Holdings plc: Perceptive Advisors LLC (12.6%, Schedule 13D/A, filed 2026-04-24) and Rubric Capital Management LP (9.83%, Schedule 13G/A, filed 2026-08-14).
Who are the largest shareholders of MeiraGTx Holdings plc?
By the share each holder's latest filing reports, the largest holders of MeiraGTx Holdings plc on this page are Perceptive Advisors LLC (12.6%) and Rubric Capital Management LP (9.83%).
When did Perceptive Advisors LLC buy into MeiraGTx Holdings plc?
The filings give report dates, not purchase dates. The earliest filing from Perceptive Advisors LLC on this page is the Schedule 13D/A, filed 2026-01-02, reporting 12.9%; its latest, Schedule 13D/A filed 2026-04-24, reports 12.6%. 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%); 7 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, 2026-09-23 | Alan M. Sebulsky | appointed |
Which insiders own MeiraGTx Holdings plc 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.
- Perceptive Life Sciences Master Fund Ltd., a director and 10% owner: 10,786,658 shares (11.2% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-04-23).
- , a director and 10% owner: 10,786,658 shares (11.2% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-04-23).
- Perceptive Advisors, a director and 10% owner: 10,786,658 shares (11.2% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-04-23).
- , the chief executive and president: 1,325,695 shares (1.4% of shares outstanding) (Form 4, 2026-08-18).
- , the chief operating officer and chief financial officer: 942,682 shares (0.98% of shares outstanding), 852,530 held directly and 90,152 indirectly (Form 4, 2026-10-20).
Shares outstanding: 96,042,996 as of 2026-08-11, from the company's latest SEC cover page.
How much has MeiraGTx Holdings plc raised?
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-04-16).
Keep reading
More on MeiraGTx Holdings plc and the records around it.
MeiraGTx Holdings plc elsewhere on the record
- Leadership changes Sep 2026
- 5%+ stake filings Aug 2026
Companies that share a holder
- Prosight Management, LP also filed stake reports on 5 other companies: OnKure Therapeutics, Inc. (Aug 2026), ADC Therapeutics SA (Feb 2026), Janux Therapeutics, Inc. (Feb 2026)
- Rubric Capital Management LP also filed stake reports on 32 other companies: ARDELYX, INC. (Aug 2026), Enovis Corporation (Aug 2026), Mission Produce, Inc. (Aug 2026)
- Perceptive Advisors LLC also filed stake reports on 57 other companies: Nautilus Biotechnology, Inc. (Nov 2026), Athira Pharma, Inc. (Oct 2026), IRulya Therapeutics Inc. (Oct 2026)
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