Meiragtx Holdings (MGTX)Rubric Capital Management LP added to its stake +2.1M shares

9.1M

Shares reported · +2.1M vs prior quarter

1.1%

Disclosed portfolio weight

$123M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 14, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jun 30, 2026Company filing · Form 8-K · Material agreement, Agreement endedSigned an important agreement, and ended an important agreement (and 3 more items)
2. Aug 13, 2026Company filing · Form 8-K · ResultsReported its results

What came next

1. Sep 22, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On September 22, 2026, the Board of Directors (the “Board”) of MeiraGTx Holdings plc (the “Company”), upon the recommendation of its Nominating and Corporate Governance Committee, appointed Alan M. Sebulsky to the Board as a Class I director, effective September 23, 2026, with a term that expires at the Company’s 2028 annual meeting of shareholders when Class I directors are up for re-election and until his…”
2. Oct 6, 2026InsiderOfficer sold ~$294K of MGTX shares in the open market

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Meiragtx Holdings

For Meiragtx Holdings, OQRO holds 2 insider filings (SEC Form 4 or Form 144) and 3 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its MGTX page.

How this filing works

• SEC Form 13F

Other disclosures at Meiragtx Holdings

• SEC Form 4Oct 7, 2026
• SEC Form 144Oct 6, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRMay 15, 2026
• SEC Form 13F-HRFeb 17, 2026

Everything OQRO holds on this company is on its MGTX page.