Meiragtx HoldingsMGTX
13F holders, Q1 2025 (March 31)118holders +16
21new positions
5sold out
3famous investors
$6.78avg. 13F price*
At the end of Q1 2025, 118 institutions reported holding Meiragtx Holdings PLC (MGTX) in their 13F filings, up 16 from Q4 2024. 21 opened new positions and 5 sold out. The largest holders were Perceptive Advisors LLC ($85.3M), Sanofi ($82.7M) and Johnson & Johnson ($45.0M). 3 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Meiragtx Holdings PLC
- CUSIP
- G59665102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $15.9M |
| Exits | 5 | $2.8M |
All 13F filers, Q4 2024 → Q1 2025: 4,890,115 shares bought and 2,996,482 shares sold, net +1,893,633 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 118 holders
| Perceptive Advisors LLC | 3.02% | No change | 12,581,103 | $85.3M |
| Sanofi | 49.84% | No change | 12,197,737 | $82.7M |
| Johnson & Johnson | 13.17% | No change | 6,641,064 | $45.0M |
| Adage Capital Partners Gp, L.L.C. | 0.07% | Add +11.9% | 5,634,578 | $38.2M |
| Prosight Management, LP | 8.22% | Reduce -15.9% | 3,691,546 | $25.0M |
| BlackRock, Inc. | 0.00% | Add +5.3% | 3,128,405 | $21.2M |
| 683 Capital Management, LLC | 1.94% | Add +6.6% | 2,575,000 | $17.5M |
| Rubric Capital Management LP | 0.22% | New | 1,776,321 | $12.0M |
| Knoll Capital Management, LLC | 5.51% | No change | 1,250,000 | $8.5M |
| J. Goldman & Co LP | 0.28% | Add +110.5% | 1,158,761 | $7.9M |
| Woodline Partners LP | 0.04% | Reduce -47.7% | 803,546 | $5.4M |
| Erste Asset Management GmbH | 0.07% | Add +17.9% | 789,702 | $5.4M |
| State Street Corp. | 0.00% | Add +6.9% | 644,086 | $4.4M |
| Royce & Associates LP | 0.04% | Reduce -0.4% | 607,839 | $4.1M |
| Geode Capital Management, LLC | 0.00% | Add +4.8% | 597,903 | $4.1M |
| Vanguard Group Inc. | 0.00% | Reduce -2.0% | 449,549 | $3.0M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -1.6% | 392,398 | $2.7M |
| Invesco Ltd. | 0.00% | Add +1628.7% | 350,401 | $2.4M |
| Morgan Stanley | 0.00% | Add +59.0% | 339,598 | $2.3M |
| Northern Trust Corp. | 0.00% | Reduce -0.7% | 313,407 | $2.1M |
| Long Focus Capital Management, LLC | 0.12% | Add +31.6% | 249,745 | $1.7M |
| Platinum Investment Management Ltd. | 0.08% | Reduce -16.7% | 208,308 | $1.4M |
| Wellington Management Group LLP | 0.00% | Add +37.0% | 206,980 | $1.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -24.3% | 203,086 | $1.4M |
| Readystate Asset Management LP | 0.12% | Add +59.5% | 189,598 | $1.3M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -45.0% | 155,152 | $1.1M |
| Affinity Asset Advisors, LLC | 0.17% | New | 150,000 | $1.0M |
| Nuveen, LLC | 0.00% | — | 149,231 | $1.0M |
| Blair William & Co. | 0.00% | No change | 132,533 | $899K |
| Susquehanna International Group, LLP | 0.00% | Add +37.3% | 125,657 | $852K |
| Knott David M Jr | 0.40% | Add +31.5% | 125,010 | $848K |
| Janney Montgomery Scott LLC | 0.00% | Add +62.3% | 122,220 | $829K |
| Privium Fund Management B.V. | 0.21% | Reduce -48.0% | 117,000 | $793K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.6% | 116,027 | $787K |
| Bank of New York Mellon Corp | 0.00% | Add +3.7% | 110,567 | $750K |
| Barclays PLC | 0.00% | Reduce -43.3% | 83,765 | $568K |
| Informed Momentum Co LLC | 0.10% | New | 83,049 | $563K |
| AQR Capital Management | 0.00% | New | 82,118 | $557K |
| Fort Sheridan Advisors LLC | 0.07% | Reduce -0.3% | 69,716 | $473K |
| UBS Group AG | 0.00% | Reduce -47.5% | 62,791 | $426K |
| Rhumbline Advisers | 0.00% | Add +6.1% | 58,227 | $395K |
| DAVENPORT & Co LLC | 0.00% | Reduce -27.2% | 56,200 | $381K |
| Deutsche Bank AG | 0.00% | Add +21.4% | 51,220 | $347K |
| Alliancebernstein L.P. | 0.00% | No change | 50,390 | $342K |
| Citadel Advisors | 0.00% | Reduce -78.5% | 47,491 | $322K |
| Letko, Brosseau & Associates Inc. | 0.01% | No change | 45,300 | $307K |
| Bank of America Corp. | 0.00% | Reduce -29.7% | 44,911 | $304K |
| D. E. Shaw & Co. | 0.00% | Reduce -63.8% | 44,811 | $304K |
| Trexquant Investment LP | 0.00% | Add +12.6% | 44,318 | $300K |
| Tocqueville Asset Management L.P. | 0.00% | No change | 42,500 | $288K |
| Acuitas Investments, LLC | 0.24% | New | 42,115 | $286K |
| State of Wisconsin Investment Board | 0.00% | Add +18.5% | 39,527 | $268K |
| Creative Planning | 0.00% | New | 38,232 | $259K |
| CreativeOne Wealth, LLC | 0.01% | Reduce -16.8% | 36,600 | $248K |
| Citigroup Inc. | 0.00% | Reduce -9.4% | 36,594 | $248K |
| Jump Financial, LLC | 0.00% | New | 33,962 | $230K |
| Kennedy Capital Management LLC | 0.01% | Add +1.3% | 33,902 | $230K |
| Polymer Capital Management (US) LLC | 0.07% | Add +128.0% | 32,987 | $224K |
| Franklin Resources Inc. | 0.00% | New | 32,546 | $221K |
| Worth Venture Partners, LLC | 1.69% | New | 31,986 | $217K |
| MetLife Investment Management, LLC | 0.00% | Reduce -0.4% | 30,837 | $209K |
| JPMorgan Chase & Co. | 0.00% | Reduce -90.7% | 28,561 | $194K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.5% | 27,445 | $186K |
| Intech Investment Management LLC | 0.00% | Add +95.7% | 24,436 | $166K |
| Wells Fargo & Company | 0.00% | Add +3.5% | 24,424 | $166K |
| SkyView Investment Advisors, LLC | 0.02% | Reduce -20.0% | 24,000 | $163K |
| Corebridge Financial, Inc. | 0.00% | Reduce -0.2% | 23,095 | $157K |
| T. Rowe Price Associates Inc. | 0.00% | Add +16.5% | 20,941 | $142K |
| HSBC Holdings PLC | 0.00% | Reduce -31.1% | 18,410 | $125K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +3.6% | 16,869 | $114K |
| China Universal Asset Management Co., Ltd. | 0.01% | Reduce -5.4% | 15,676 | $106K |
| Gsa Capital Partners LLP | 0.01% | New | 15,237 | $103K |
| SG Americas Securities, LLC | 0.00% | Reduce -33.0% | 14,895 | $101K |
| Quadrature Capital Ltd | 0.00% | New | 14,334 | $97K |
| ProShare Advisors LLC | 0.00% | Reduce -18.3% | 13,730 | $93K |
| Voya Investment Management LLC | 0.00% | Reduce -2.1% | 12,609 | $85K |
| Ieq Capital, LLC | 0.00% | New | 12,267 | $83K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 12,237 | $83K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 11,661 | $79K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 15,000 | $79K |
| Cibc World Markets Corp. | 0.00% | New | 10,461 | $71K |
| PUREfi Wealth, LLC | 0.07% | Reduce -50.0% | 10,000 | $68K |
| Family Manage LLC | 0.01% | New | 10,000 | $68K |
| Cwm, LLC | 0.00% | Add +1737.7% | 8,674 | $59K |
| Royal Bank of Canada | 0.00% | Add +9.3% | 8,683 | $58K |
| New York State Common Retirement Fund | 0.00% | No change | 7,263 | $49K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 4,871 | $33K |
| Legal & General Group Plc | 0.00% | Add +9.8% | 4,763 | $32K |
| Group One Trading LLC | 0.00% | New | 4,517 | $31K |
| Simplex Trading, LLC | 0.00% | Add +79.3% | 4,031 | $27K |
| FMR LLC | 0.00% | Add +48.9% | 3,462 | $23K |
| California State Teachers Retirement System | 0.00% | No change | 3,446 | $23K |
| BNP Paribas Financial Markets | 0.00% | Reduce -44.2% | 3,344 | $23K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +0.4% | 2,615 | $19K |
| Lazard Asset Management LLC | 0.00% | Add +2096.9% | 2,109 | $14K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +5.4% | 2,045 | $14K |
| GF Fund Management Co. LTD. | 0.00% | Add +21.9% | 2,001 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -64.0% | 1,792 | $12K |
| Amalgamated Bank | 0.00% | Add +55.0% | 1,607 | $11K |
| Sandy Spring Bank | 0.00% | Reduce -46.7% | 800 | $5K |
| GAMMA Investing LLC | 0.00% | Add +446.7% | 656 | $4K |
| WASHINGTON TRUST Co | 0.00% | No change | 479 | $3K |
| Nisa Investment Advisors, LLC | 0.00% | Add +119.7% | 435 | $3K |
| Versant Capital Management, Inc | 0.00% | No change | 425 | $3K |
| SBI Securities Co., Ltd. | 0.00% | Add +41.1% | 316 | $2K |
| Covestor Ltd | 0.00% | New | 288 | $2K |
| Sterling Capital Management LLC | 0.00% | Reduce -35.9% | 295 | $2K |
| Daiwa Securities Group Inc. | 0.00% | Add +153.8% | 330 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | New | 203 | $1K |
| Rothschild Investment LLC | 0.00% | Add +79.0% | 170 | $1K |
| Arax Advisory Partners | 0.00% | No change | 113 | $767 |
| Osaic Holdings, Inc. | 0.00% | Reduce -95.7% | 100 | $678 |
| PNC Financial Services Group, Inc. | 0.00% | New | 67 | $454 |
| Founders Capital Management | 0.00% | New | 50 | $339 |
| Larson Financial Group LLC | 0.00% | New | 43 | $292 |
| US Bancorp \de | 0.00% | No change | 38 | $258 |
| True Wealth Design, LLC | 0.00% | New | 18 | $123 |
| IFP Advisors, Inc | 0.00% | No change | 12 | $81 |
"% of holder's portfolio" is MGTX's weight in each manager's 13F, not the share of Meiragtx Holdings PLC the manager owns.