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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.

Institutional holdersQ4 2025: 130 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 heldQ4 2025: $518.2M
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, Q4 2025

Shares, value and share of portfolio for each institution holding MeiraGTx Holdings plc; share changes are against Q3 2025.

Institutions holding MGTX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sanofi12,197,737$97.0M31.24%00.0%Unchanged
Perceptive Advisors LLC10,326,103$82.1M1.50%−2,300,000−18.2%Reduced
Johnson & Johnson6,641,064$52.8M9.51%00.0%Unchanged
Rubric Capital Management LP6,175,331$49.1M0.59%+2,448,880+65.7%Added
Adage Capital Partners GP, L.L.C.4,000,000$31.8M0.05%−184,578−4.4%Reduced
Prosight Management, LP3,209,788$25.5M5.27%−879,721−21.5%Reduced
Millennium Management LLC3,176,390$25.3M0.02%+615,421+24.0%Added
BlackRock, Inc.3,069,844$24.4M0.00%+295,572+10.7%Added
683 Capital Management, LLC2,559,082$20.3M1.69%−65,918−2.5%Reduced
Morgan Stanley1,829,252$14.5M0.00%+587,258+47.3%Added
Knoll Capital Management, LLC1,250,000$9.94M4.56%00.0%Unchanged
Erste Asset Management GmbH789,702$6.28M0.05%+80,000+11.3%Added
State Street Corp729,445$5.80M0.00%+48,414+7.1%Added
22NW, LP586,519$4.66M3.59%00.0%Unchanged
Geode Capital Management, LLC573,783$4.56M0.00%+18,470+3.3%Added
Long Focus Capital Management, LLC524,745$4.17M0.21%00.0%Unchanged
Vanguard Group Inc494,753$3.93M0.00%+30,818+6.6%Added
Goldman Sachs Group Inc456,744$3.63M0.00%+196,525+75.5%Added
Opaleye Management Inc.390,844$3.11M0.41%+390,844New
D. E. Shaw & Co., Inc.381,763$3.04M0.00%+208,561+120.4%Added
J. Goldman & Co LP319,687$2.54M0.10%−1,481,244−82.2%Reduced
Hennion & Walsh Asset Management, Inc.308,509$2.45M0.08%+199,528+183.1%Added
Woodline Partners LP300,323$2.39M0.01%+100,000+49.9%Added
Jefferies Financial Group Inc.298,242$2.37M0.02%+298,242New
StemPoint Capital LP287,689$2.29M0.39%+205,831+251.4%Added
Northern Trust Corp258,210$2.05M0.00%−12,683−4.7%Reduced
UBS Group AG222,015$1.77M0.00%+140,422+172.1%Added
Bank of America Corp208,454$1.66M0.00%+10,248+5.2%Added
Privium Fund Management B.V.200,000$1.59M0.29%+37,000+22.7%Added
Royce & Associates LP176,057$1.40M0.01%+176,057New
Citadel Advisors LLC143,445$1.14M0.00%−61,420−30.0%Reduced
Nuveen, LLC131,142$1.04M0.00%00.0%Unchanged
Wellington Management Group LLP130,610$1.04M0.00%−11,126−7.8%Reduced
BNP Paribas Arbitrage, SA127,999$1.02M0.00%+119,062+1,332.2%Added
Blair William & Co125,400$996.9K0.00%−7,133−5.4%Reduced
Charles Schwab Investment Management Inc111,422$885.8K0.00%+7,363+7.1%Added
AQR Capital Management LLC108,014$858.7K0.00%+230+0.2%Added
Bank of New York Mellon Corp101,090$803.7K0.00%−4,709−4.5%Reduced
Jane Street Group, LLC98,242$781.0K0.00%−6,251−6.0%Reduced
Barclays PLC95,730$761.1K0.00%+11,729+14.0%Added
Russell Investments Group, Ltd.95,719$761.0K0.00%+12,875+15.5%Added
Platinum Investment Management Ltd93,922$746.7K0.17%−33,612−26.4%Reduced
Invesco Ltd.90,881$722.5K0.00%+21,381+30.8%Added
ExodusPoint Capital Management, LP86,926$691.1K0.01%+43,953+102.3%Added
Susquehanna International Group, LLP76,902$611.4K0.00%+38,274+99.1%Added
Kennedy Capital Management, Inc.70,738$562.4K0.01%+1,495+2.2%Added
Davenport & Co LLC69,200$550.1K0.00%+14,000+25.4%Added
Trexquant Investment LP67,537$536.9K0.00%+67,537New
Tocqueville Asset Management L.P.66,400$527.9K0.01%+7,200+12.2%Added
Fort Sheridan Advisors LLC65,569$521.3K0.07%−64−0.1%Reduced
Y-Intercept (Hong Kong) Ltd65,558$521.2K0.01%+65,558New
Quantinno Capital Management LP60,756$483.0K0.00%+3,523+6.2%Added
Raymond James Financial Inc57,232$455.0K0.00%+57,232New
Jacobs Levy Equity Management, Inc56,235$447.1K0.00%+56,235New
Rhumbline Advisers56,207$446.8K0.00%−4,472−7.4%Reduced
Alliancebernstein L.P.54,590$434.0K0.00%00.0%Unchanged
Brown Advisory Inc50,000$397.5K0.00%00.0%Unchanged
Wells Fargo & Company49,788$395.8K0.00%+22,481+82.3%Added
State of Wisconsin Investment Board42,645$339.0K0.00%00.0%Unchanged
Deutsche Bank AG40,711$323.7K0.00%+7,390+22.2%Added
XTX Topco Ltd38,030$302.3K0.01%+3,766+11.0%Added
Jump Financial, LLC37,000$294.1K0.00%−33,600−47.6%Reduced
VARCOV Co.32,945$261.9K0.10%+32,945New
Letko, Brosseau & Associates Inc32,000$254.4K0.00%00.0%Unchanged
Virtus Investment Advisers, Inc.29,824$237.1K0.06%+29,824New
AlphaCentric Advisors LLC28,496$226.5K0.23%+28,496New
Engineers Gate Manager LP26,839$213.4K0.00%+26,839New
Change Path, LLC26,424$210.1K0.01%−5,150−16.3%Reduced
SkyView Investment Advisors, LLC24,000$191.0K0.02%00.0%Unchanged
JPMorgan Chase & Co23,946$190.4K0.00%−36,448−60.4%Reduced
HSBC Holdings PLC23,792$188.7K0.00%+4,649+24.3%Added
Price T Rowe Associates Inc22,776$182.0K0.00%00.0%Unchanged
Fox Run Management, L.L.C.22,493$178.8K0.03%−479−2.1%Reduced
SG Americas Securities, LLC22,357$178.0K0.00%−7,635−25.5%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.22,578$176.3K0.00%+22,578New
Mirae Asset Global ETFs Holdings Ltd.21,006$167.0K0.00%+1,968+10.3%Added
Beacon Pointe Advisors, LLC20,763$165.1K0.00%00.0%Unchanged
MetLife Investment Management20,033$159.3K0.00%−4,163−17.2%Reduced
Voleon Capital Management LP16,587$131.9K0.00%+16,587New
Intech Investment Management LLC16,016$127.3K0.00%00.0%Unchanged
Citigroup Inc15,552$123.6K0.00%+2,138+15.9%Added
Creative Planning15,446$122.8K0.00%−1,140−6.9%Reduced
CIBC Private Wealth Group, LLC15,000$119.3K0.00%00.0%Unchanged
Perigon Wealth Management, LLC15,000$119.3K0.00%+15,000New
Manufacturers Life Insurance Company, The14,898$118.4K0.00%−577−3.7%Reduced
FMR LLC13,825$109.9K0.00%+8,301+150.3%Added
China Universal Asset Management Co., Ltd.13,116$104.3K0.01%−985−7.0%Reduced
Abel Hall, LLC12,295$97.7K0.02%+12,295New
State Board of Administration of Florida Retirement System12,237$97.3K0.00%00.0%Unchanged
Hobbs Group Advisors, LLC11,953$95.0K0.03%−2,260−15.9%Reduced
ProShare Advisors LLC11,780$93.7K0.00%+11,780New
Police & Firemen's Retirement System of New Jersey11,661$92.7K0.00%00.0%Unchanged
Royal Bank of Canada10,884$87.0K0.00%−289,459−96.4%Reduced
Levin Capital Strategies, L.P.10,000$79.5K0.01%−15,000−60.0%Reduced
CWM, LLC7,783$62.0K0.00%−67−0.9%Reduced
New York State Common Retirement Fund7,263$57.7K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.6,130$48.7K0.00%+630+11.5%Added
Legal & General Group Plc4,276$34.0K0.00%−139−3.1%Reduced
State of Alaska, Department of Revenue4,030$32.0K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.3,911$31.1K0.00%+801+25.8%Added