MeiraGTx Holdings plc - Ordinary Shares, par value $0.00003881 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, par value $0.00003881 per share used to aggregate holder disclosures.

Q: How many institutions held MGTX - MeiraGTx Holdings plc - Ordinary Shares, par value $0.00003881 per share in Q4 2025?

130 institutional investors reported MGTX - MeiraGTx Holdings plc - Ordinary Shares, par value $0.00003881 per share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: G59665102

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Ordinary Shares, par value $0.00003881 per share
Total 13F shares: 65,182,421
Total 13F value: $518,195,876
Share change: +966,247
SEC-reported price per share: $7.95
Number of holders: 130
Value change: +$7,589,640
Number of buys: 60
Number of sells: 46
Shares outstanding: 81,466,395

Security key

G59665102

Report period

Q4 2025

Institutions

130

Top holders

MGTX full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 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: Q2 2026

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of MGTX - MeiraGTx Holdings plc - Ordinary Shares, par value $0.00003881 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

Rubric Capital Management LP

Disclosed value leader

PERCEPTIVE ADVISORS LLC

Comparable rows

15/15

Latest evidence

31 Dec 2025

13D/G 13F 3/4/5 Lead comparable stake: 7.9% 13D/G row: Rubric Capital Management LP Showing 1-6 of 15 holder rows.

Quick read

Rubric Capital Management LP leads the comparable SEC ownership view at 7.9%.

15 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 Rubric Capital Management LP's linked filing trail.

Comparable ownership Top 5

Rubric Capital Management LP 7.9%

Prosight Management, LP 4%

PERCEPTIVE ADVISORS LLC 15%

Sanofi 15%

JOHNSON & JOHNSON 8.2%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

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

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Rubric Capital Management LP	13D/G 13F Company 13D/G 13F	7.9%	$45,573,943 6,175,331 shares	$0	31 Dec 2025
Prosight Management, LP	13F 13D/G Company · W. Lawrence Hawkins 13F 13D/G	4% from 13D/G	$33,656,659 4,089,509 shares	—	30 Sep 2025
PERCEPTIVE ADVISORS LLC	13F Company 13F	15%	$103,792,540 12,626,103 shares	—	30 Sep 2025
Sanofi	13F 3/4/5 Company · 10%+ Owner 13F 3/4/5	15%	$100,387,376 12,197,737 shares	—	30 Sep 2025
JOHNSON & JOHNSON	13F 3/4/5 Company · 10%+ Owner 13F 3/4/5	8.2%	$54,655,957 6,641,064 shares	—	30 Sep 2025
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	5.1%	$34,439,077 4,184,578 shares	—	30 Sep 2025

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 Q4 2025

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

Institutions

130

65,182,421

Rows available

130

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 Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

122

Q4 2025 holders

130

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend