MeiraGTx Holdings plc - Ordinary Shares, $0.00003881 par value per share (MGTX)

Q: What does CUSIP G59665102 represent in this 13F holders report?

CUSIP G59665102 is the security identifier for MGTX - MeiraGTx Holdings plc - Ordinary Shares, $0.00003881 par value per share used to aggregate holder disclosures.

Q: How many institutions held MGTX - MeiraGTx Holdings plc - Ordinary Shares, $0.00003881 par value per share in Q1 2025?

118 institutional investors reported MGTX - MeiraGTx Holdings plc - Ordinary Shares, $0.00003881 par value per share for Q1 2025. Use the holders table for investor-level position and value details.

CUSIP: G59665102

Q1 2025 13F Holders as of 31 Mar 2025

Security type / class: Equity / Ordinary Shares, $0.00003881 par value per share
Total 13F shares: 59,986,380
Total 13F value: $406,655,139
Share change: +1,896,260
Put/Call ratio: 24%
SEC-reported price per share: $6.78
Number of holders: 118
Value change: +$13,171,914
Number of buys: 64
Number of sells: 38
Shares outstanding: 92,573,754

Security key

G59665102

Report period

Q1 2025

Institutions

118

Top holders

MGTX full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 MeiraGTx Holdings plc SEC filings MeiraGTx Holdings plc company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G59665102

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of MGTX - MeiraGTx Holdings plc - Ordinary Shares, $0.00003881 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Sanofi

Disclosed value leader

Sanofi

Comparable rows

0/15

Latest evidence

31 Dec 2024

3/4/5 13F Highest disclosed value: $77,577,607 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Sanofi has the largest disclosed position value at $77.58M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Sanofi's linked filing trail.

Disclosed position value Top 5

Sanofi $77.58M

JOHNSON & JOHNSON $42.24M

Johnson & Johnson Innovation - JJ... $42.24M

PERCEPTIVE ADVISORS LLC $76.58M

ADAGE CAPITAL PARTNERS GP, L.L.C. $30.66M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Sanofi	3/4/5 13F 10%+ Owner · Company 3/4/5 13F	— denominator unverified	$77,577,607 12,197,737 shares	—	12 Aug 2024
JOHNSON & JOHNSON	3/4/5 13F 10%+ Owner · Company 3/4/5 13F	— denominator unverified	$42,237,167 6,641,064 shares	—	09 Nov 2022
Johnson & Johnson Innovation - JJDC, Inc.	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$42,237,167 6,641,064 shares	—	15 Sep 2023
PERCEPTIVE ADVISORS LLC	13F Company 13F	— denominator unverified	$76,583,589 12,581,103 shares	—	31 Dec 2024
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	— denominator unverified	$30,660,580 5,034,578 shares	—	31 Dec 2024
Prosight Management, LP	13F Company 13F	— denominator unverified	$26,740,197 4,390,837 shares	—	31 Dec 2024

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

118

59,986,380

Rows available

118

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2025 vs Q1 2025 Across Filers

Q1 2025 holders

118

Q1 2025 holders

118

Holder diff

Investor	Q1 2025 Shares	Q1 2025 Shares	Share Diff	Share Chg %	Q1 2025 value	Q1 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend