Skip to main content

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, Q2 2025

Institutional positions in MeiraGTx Holdings plc as of Jun 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
112
−5 vs. Q1 2025
Shares held
64.3M
+4.29M (+7.1%) vs. Q1 2025
Total value
$419.6M
+$12.9M (+3.2%) vs. Q1 2025
New holders
17
36 more added
Sold out
22
38 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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.

Institutional holdersQ2 2025: 112 institutions
Q1 2021: 81 institutionsQ2 2021: 80 institutionsQ3 2021: 81 institutionsQ4 2021: 99 institutionsQ1 2022: 103 institutionsQ2 2022: 108 institutionsQ3 2022: 100 institutionsQ4 2022: 99 institutionsQ1 2023: 92 institutionsQ2 2023: 79 institutionsQ3 2023: 75 institutionsQ4 2023: 86 institutionsQ1 2024: 96 institutionsQ2 2024: 95 institutionsQ3 2024: 99 institutionsQ4 2024: 102 institutionsQ1 2025: 118 institutionsQ2 2025: 112 institutionsQ3 2025: 123 institutionsQ4 2025: 130 institutionsQ1 2026: 133 institutionsQ2 2026: 158 institutions
Value heldQ2 2025: $419.6M
Q1 2021: $384.8MQ2 2021: $433.5MQ3 2021: $367.3MQ4 2021: $672.9MQ1 2022: $405.7MQ2 2022: $216.1MQ3 2022: $234.5MQ4 2022: $193.0MQ1 2023: $148.6MQ2 2023: $253.6MQ3 2023: $185.6MQ4 2023: $275.1MQ1 2024: $238.5MQ2 2024: $170.4MQ3 2024: $188.6MQ4 2024: $353.9MQ1 2025: $406.7MQ2 2025: $419.6MQ3 2025: $527.6MQ4 2025: $518.2MQ1 2026: $583.0MQ2 2026: $1.07B
Institutions holding MGTX and their total value by quarter
QuarterHoldersValue
Q2 2026158$1.07B
Q1 2026133$583.0M
Q4 2025130$518.2M
Q3 2025123$527.6M
Q2 2025112$419.6M
Q1 2025118$406.7M
Q4 2024102$353.9M
Q3 202499$188.6M
Q2 202495$170.4M
Q1 202496$238.5M
Q4 202386$275.1M
Q3 202375$185.6M
Q2 202379$253.6M
Q1 202392$148.6M
Q4 202299$193.0M
Q3 2022100$234.5M
Q2 2022108$216.1M
Q1 2022103$405.7M
Q4 202199$672.9M
Q3 202181$367.3M
Q2 202180$433.5M
Q1 202181$384.8M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding MeiraGTx Holdings plc; share changes are against Q1 2025.

Institutions holding MGTX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Millennium Management LLC785,181$5.12M0.00%+785,181New
Erste Asset Management GmbH789,702$5.15M0.04%00.0%Unchanged
Knoll Capital Management, LLC1,250,000$8.15M5.79%00.0%Unchanged
J. Goldman & Co LP2,044,574$13.3M0.42%+885,813+76.4%Added
683 Capital Management, LLC2,690,000$17.5M1.78%+115,000+4.5%Added
BlackRock, Inc.2,862,408$18.7M0.00%−265,997−8.5%Reduced
Rubric Capital Management LP3,726,451$24.3M0.39%+1,950,130+109.8%Added
Prosight Management, LP4,587,423$29.9M7.29%+895,877+24.3%Added
Adage Capital Partners GP, L.L.C.6,034,578$39.3M0.07%+400,000+7.1%Added
Johnson & Johnson6,641,064$43.9M13.14%00.0%Unchanged
Sanofi12,197,737$79.5M45.25%00.0%Unchanged
Perceptive Advisors LLC12,626,103$82.2M3.09%+45,000+0.4%Added
Woodline Partners LP0$00.00%−803,546−100.0%Sold out
Affinity Asset Advisors, LLC0$00.00%−150,000−100.0%Sold out
Knott David M Jr0$00.00%−125,010−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−122,220−100.0%Sold out
EAM Investors, LLC0$00.00%−83,049−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−44,811−100.0%Sold out
Trexquant Investment LP0$00.00%−44,318−100.0%Sold out
Acuitas Investments, LLC0$00.00%−42,115−100.0%Sold out
Jump Financial, LLC0$00.00%−33,962−100.0%Sold out
Polymer Capital Management (US) LLC0$00.00%−32,987−100.0%Sold out
Worth Venture Partners, LLC0$00.00%−31,986−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−23,095−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−15,237−100.0%Sold out
SG Americas Securities, LLC0$00.00%−14,895−100.0%Sold out
Quadrature Capital Ltd0$00.00%−14,334−100.0%Sold out
CIBC World Markets Corp0$00.00%−10,461−100.0%Sold out
California State Teachers Retirement System0$00.00%−3,446−100.0%Sold out
Lazard Asset Management LLC0$00.00%−2,109−100.0%Sold out
Washington Trust Co0$00.00%−479−100.0%Sold out
Covestor Ltd0$00.00%−288−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−113−100.0%Sold out
Larson Financial Group LLC0$00.00%−43−100.0%Sold out
Sandy Spring Bank––––Not filed