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, Q4 2025
Institutional positions in MeiraGTx Holdings plc as of Dec 31, 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
- 130
- +8 vs. Q3 2025
- Shares held
- 65.2M
- +1.15M (+1.8%) vs. Q3 2025
- Total value
- $518.2M
- −$8.71M (−1.7%) vs. Q3 2025
- New holders
- 20
- 44 more added
- Sold out
- 12
- 34 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding MeiraGTx Holdings plc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royce & Associates LP | 176,057 | $1.40M | 0.01% | +176,057 | New |
| Privium Fund Management B.V. | 200,000 | $1.59M | 0.29% | +37,000+22.7% | Added |
| Bank of America Corp | 208,454 | $1.66M | 0.00% | +10,248+5.2% | Added |
| UBS Group AG | 222,015 | $1.77M | 0.00% | +140,422+172.1% | Added |
| Northern Trust Corp | 258,210 | $2.05M | 0.00% | −12,683−4.7% | Reduced |
| StemPoint Capital LP | 287,689 | $2.29M | 0.39% | +205,831+251.4% | Added |
| Jefferies Financial Group Inc. | 298,242 | $2.37M | 0.02% | +298,242 | New |
| Woodline Partners LP | 300,323 | $2.39M | 0.01% | +100,000+49.9% | Added |
| Hennion & Walsh Asset Management, Inc. | 308,509 | $2.45M | 0.08% | +199,528+183.1% | Added |
| J. Goldman & Co LP | 319,687 | $2.54M | 0.10% | −1,481,244−82.2% | Reduced |
| D. E. Shaw & Co., Inc. | 381,763 | $3.04M | 0.00% | +208,561+120.4% | Added |
| Opaleye Management Inc. | 390,844 | $3.11M | 0.41% | +390,844 | New |
| Goldman Sachs Group Inc | 456,744 | $3.63M | 0.00% | +196,525+75.5% | Added |
| Vanguard Group Inc | 494,753 | $3.93M | 0.00% | +30,818+6.6% | Added |
| Long Focus Capital Management, LLC | 524,745 | $4.17M | 0.21% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 573,783 | $4.56M | 0.00% | +18,470+3.3% | Added |
| 22NW, LP | 586,519 | $4.66M | 3.59% | 00.0% | Unchanged |
| State Street Corp | 729,445 | $5.80M | 0.00% | +48,414+7.1% | Added |
| Erste Asset Management GmbH | 789,702 | $6.28M | 0.05% | +80,000+11.3% | Added |
| Knoll Capital Management, LLC | 1,250,000 | $9.94M | 4.56% | 00.0% | Unchanged |
| Morgan Stanley | 1,829,252 | $14.5M | 0.00% | +587,258+47.3% | Added |
| 683 Capital Management, LLC | 2,559,082 | $20.3M | 1.69% | −65,918−2.5% | Reduced |
| BlackRock, Inc. | 3,069,844 | $24.4M | 0.00% | +295,572+10.7% | Added |
| Millennium Management LLC | 3,176,390 | $25.3M | 0.02% | +615,421+24.0% | Added |
| Prosight Management, LP | 3,209,788 | $25.5M | 5.27% | −879,721−21.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 4,000,000 | $31.8M | 0.05% | −184,578−4.4% | Reduced |
| Rubric Capital Management LP | 6,175,331 | $49.1M | 0.59% | +2,448,880+65.7% | Added |
| Johnson & Johnson | 6,641,064 | $52.8M | 9.51% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 10,326,103 | $82.1M | 1.50% | −2,300,000−18.2% | Reduced |
| Sanofi | 12,197,737 | $97.0M | 31.24% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −115,051−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −45,417−100.0% | Sold out |
| Sender Co & Partners, Inc. | 0 | $0 | 0.00% | −40,668−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −26,406−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −24,660−100.0% | Sold out |
| Family Management Corp | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −6,429−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −4,283−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Founders Capital Management | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| AMH Equity Ltd | – | – | – | – | Not filed |