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, Q1 2026
Institutional positions in MeiraGTx Holdings plc as of Mar 31, 2026. 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
- 133
- +5 vs. Q4 2025
- Shares held
- 67.4M
- +2.72M (+4.2%) vs. Q4 2025
- Total value
- $583.0M
- +$68.9M (+13.4%) vs. Q4 2025
- New holders
- 20
- 49 more added
- Sold out
- 15
- 39 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding MeiraGTx Holdings plc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 115,995 | $1.00M | 0.00% | −27,450−19.1% | Reduced |
| Blair William & Co | 125,422 | $1.09M | 0.00% | +220.0% | Added |
| Wellington Management Group LLP | 126,331 | $1.09M | 0.00% | −4,279−3.3% | Reduced |
| Nuveen, LLC | 132,454 | $1.15M | 0.00% | +1,312+1.0% | Added |
| Jefferies Financial Group Inc. | 167,452 | $1.45M | 0.02% | −130,790−43.9% | Reduced |
| J. Goldman & Co LP | 206,210 | $1.79M | 0.08% | −113,477−35.5% | Reduced |
| Privium Fund Management B.V. | 212,112 | $1.84M | 0.38% | +12,112+6.1% | Added |
| Bank of America Corp | 244,944 | $2.12M | 0.00% | +36,490+17.5% | Added |
| Northern Trust Corp | 271,879 | $2.35M | 0.00% | +13,669+5.3% | Added |
| Woodline Partners LP | 300,323 | $2.60M | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 303,198 | $2.63M | 0.00% | +81,183+36.6% | Added |
| Hennion & Walsh Asset Management, Inc. | 354,755 | $3.07M | 0.10% | +46,246+15.0% | Added |
| Vanguard Portfolio Management LLC | 397,281 | $3.44M | 0.00% | +397,281 | New |
| D. E. Shaw & Co., Inc. | 425,281 | $3.68M | 0.00% | +43,518+11.4% | Added |
| Goldman Sachs Group Inc | 441,414 | $3.82M | 0.00% | −15,330−3.4% | Reduced |
| Long Focus Capital Management, LLC | 524,745 | $4.54M | 0.20% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 584,899 | $5.07M | 0.00% | +11,116+1.9% | Added |
| Erste Asset Management GmbH | 719,702 | $5.82M | 0.05% | −70,000−8.9% | Reduced |
| Logos Global Management LP | 700,000 | $6.06M | 0.31% | +700,000 | New |
| State Street Corp | 753,378 | $6.52M | 0.00% | +23,933+3.3% | Added |
| Kennedy Capital Management, Inc. | 858,379 | $7.43M | 0.16% | +787,641+1,113.5% | Added |
| Knoll Capital Management, LLC | 1,250,000 | $10.8M | 6.01% | 00.0% | Unchanged |
| Morgan Stanley | 1,589,940 | $13.8M | 0.00% | −239,312−13.1% | Reduced |
| Opaleye Management Inc. | 2,123,259 | $18.4M | 2.42% | +1,732,415+443.2% | Added |
| 683 Capital Management, LLC | 2,450,000 | $21.2M | 1.97% | −109,082−4.3% | Reduced |
| Prosight Management, LP | 2,629,971 | $22.8M | 3.73% | −579,817−18.1% | Reduced |
| BlackRock, Inc. | 3,168,148 | $27.4M | 0.00% | +98,304+3.2% | Added |
| Millennium Management LLC | 3,465,699 | $30.0M | 0.02% | +289,309+9.1% | Added |
| Adage Capital Partners GP, L.L.C. | 4,000,000 | $34.6M | 0.05% | 00.0% | Unchanged |
| Johnson & Johnson | 6,641,064 | $57.5M | 8.82% | 00.0% | Unchanged |
| Rubric Capital Management LP | 7,000,000 | $60.6M | 0.74% | +824,669+13.4% | Added |
| Perceptive Advisors LLC | 10,326,103 | $89.3M | 1.76% | 00.0% | Unchanged |
| Sanofi | 12,197,737 | $105.6M | 31.44% | 00.0% | Unchanged |
| 22NW, LP | 0 | $0 | 0.00% | −586,519−100.0% | Sold out |
| StemPoint Capital LP | 0 | $0 | 0.00% | −287,689−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −176,057−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −65,558−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −32,945−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −22,493−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −22,357−100.0% | Sold out |
| Abel Hall, LLC | 0 | $0 | 0.00% | −12,295−100.0% | Sold out |
| Hobbs Group Advisors, LLC | 0 | $0 | 0.00% | −11,953−100.0% | Sold out |
| Levin Capital Strategies, L.P. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,421−100.0% | Sold out |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −1,269−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −330−100.0% | Sold out |
| Financial Consulate, Inc | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |