MeiraGTx Holdings plc
MGTX- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001735438
In the last 90 days, MeiraGTx Holdings plc insiders filed 0 open-market purchases and 3 sales; 158 institutions reported holding it in 13F filings for Q2 2026, worth $1.07B in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in MeiraGTx Holdings plc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 123
- +11 vs. Q2 2025
- Shares held
- 64.1M
- −158.1K (−0.2%) vs. Q2 2025
- Total value
- $527.6M
- +$108.0M (+25.7%) vs. Q2 2025
- New holders
- 24
- 29 more added
- Sold out
- 13
- 39 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MGTX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 158 | $1.07B |
| Q1 2026 | 133 | $583.0M |
| Q4 2025 | 130 | $518.2M |
| Q3 2025 | 123 | $527.6M |
| Q2 2025 | 112 | $419.6M |
| Q1 2025 | 118 | $406.7M |
| Q4 2024 | 102 | $353.9M |
| Q3 2024 | 99 | $188.6M |
| Q2 2024 | 95 | $170.4M |
| Q1 2024 | 96 | $238.5M |
| Q4 2023 | 86 | $275.1M |
| Q3 2023 | 75 | $185.6M |
| Q2 2023 | 79 | $253.6M |
| Q1 2023 | 92 | $148.6M |
| Q4 2022 | 99 | $193.0M |
| Q3 2022 | 100 | $234.5M |
| Q2 2022 | 108 | $216.1M |
| Q1 2022 | 103 | $405.7M |
| Q4 2021 | 99 | $672.9M |
| Q3 2021 | 81 | $367.3M |
| Q2 2021 | 80 | $433.5M |
| Q1 2021 | 81 | $384.8M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding MeiraGTx Holdings plc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Woodline Partners LP | 200,323 | $1.65M | 0.01% | +200,323 | New |
| Citadel Advisors LLC | 204,865 | $1.69M | 0.00% | +3,255+1.6% | Added |
| Goldman Sachs Group Inc | 260,219 | $2.14M | 0.00% | +113,706+77.6% | Added |
| Northern Trust Corp | 270,893 | $2.23M | 0.00% | −3,042−1.1% | Reduced |
| Royal Bank of Canada | 300,343 | $2.47M | 0.00% | −3,532−1.2% | Reduced |
| Vanguard Group Inc | 463,935 | $3.82M | 0.00% | +43,261+10.3% | Added |
| Long Focus Capital Management, LLC | 524,745 | $4.32M | 0.25% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 555,313 | $4.57M | 0.00% | −2,256−0.4% | Reduced |
| 22NW, LP | 586,519 | $4.83M | 2.51% | 00.0% | Unchanged |
| State Street Corp | 681,031 | $5.60M | 0.00% | −1,171−0.2% | Reduced |
| Erste Asset Management GmbH | 709,702 | $5.86M | 0.06% | −80,000−10.1% | Reduced |
| Morgan Stanley | 1,241,994 | $10.2M | 0.00% | +787,640+173.4% | Added |
| Knoll Capital Management, LLC | 1,250,000 | $10.3M | 5.51% | 00.0% | Unchanged |
| J. Goldman & Co LP | 1,800,931 | $14.8M | 0.56% | −243,643−11.9% | Reduced |
| Millennium Management LLC | 2,560,969 | $21.1M | 0.02% | +1,775,788+226.2% | Added |
| 683 Capital Management, LLC | 2,625,000 | $21.6M | 1.96% | −65,000−2.4% | Reduced |
| BlackRock, Inc. | 2,774,272 | $22.8M | 0.00% | −88,136−3.1% | Reduced |
| Rubric Capital Management LP | 3,726,451 | $30.7M | 0.41% | 00.0% | Unchanged |
| Prosight Management, LP | 4,089,509 | $33.7M | 8.08% | −497,914−10.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 4,184,578 | $34.4M | 0.05% | −1,850,000−30.7% | Reduced |
| Johnson & Johnson | 6,641,064 | $54.7M | 10.85% | 00.0% | Unchanged |
| Sanofi | 12,197,737 | $100.4M | 38.56% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 12,626,103 | $103.8M | 3.00% | 00.0% | Unchanged |
| Royce & Associates LP | 0 | $0 | 0.00% | −217,053−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −149,766−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −140,903−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −133,401−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −102,575−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −25,280−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −21,418−100.0% | Sold out |
| PUREfi Wealth, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −12,609−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −11,546−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −3,005−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −1,750−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −38−100.0% | Sold out |