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 2022?

98 institutional investors reported MGTX - MeiraGTx Holdings plc - Ordinary Shares, par value $0.00003881 per share for Q4 2022. Use the holders table for investor-level position and value details.

CUSIP: G59665102

Q4 2022 13F Holders as of 31 Dec 2022

Security type / class: Equity / Ordinary Shares, par value $0.00003881 per share
Total 13F shares: 29,625,998
Total 13F value: $193,116,514
Share change: +1,658,059
Put/Call ratio: 61%
SEC-reported price per share: $6.52
Number of holders: 98
Value change: +$5,062,552
Number of buys: 52
Number of sells: 40
Shares outstanding: 81,466,395

Security key

G59665102

Report period

Q4 2022

Institutions

Top holders

MGTX full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2023 Previous quarter: Q3 2022 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: Q1 2023 Previous quarter: Q3 2022

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024

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

PERCEPTIVE ADVISORS LLC

Disclosed value leader

PERCEPTIVE ADVISORS LLC

Comparable rows

15/15

Latest evidence

09 Nov 2022

13F 3/4/5 Lead comparable stake: 8.5% Showing 1-6 of 15 holder rows.

Quick read

PERCEPTIVE ADVISORS LLC leads the comparable SEC ownership view at 8.5%.

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 PERCEPTIVE ADVISORS LLC's linked filing trail.

Comparable ownership Top 5

PERCEPTIVE ADVISORS LLC 8.5%

ADAGE CAPITAL PARTNERS GP, L.L.C. 3.8%

JOHNSON & JOHNSON 3.6%

ORBIMED ADVISORS LLC 2.6%

BlackRock Finance, Inc. 2.3%

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
PERCEPTIVE ADVISORS LLC	13F Company 13F	8.5%	$58,561,000 6,963,277 shares	—	30 Sep 2022
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	3.8%	$26,120,000 3,105,800 shares	—	30 Sep 2022
JOHNSON & JOHNSON	3/4/5 13F 10%+ Owner · Company 3/4/5 13F	3.6% from 13F	$42,237,167 6,641,064 shares	—	09 Nov 2022
ORBIMED ADVISORS LLC	13F Company 13F	2.6%	$17,729,000 2,108,143 shares	—	30 Sep 2022
BlackRock Finance, Inc.	13F Company 13F	2.3%	$15,576,000 1,852,097 shares	—	30 Sep 2022
683 Capital Management, LLC	13F Company 13F	2%	$13,961,000 1,660,000 shares	—	30 Sep 2022

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 2022

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

Institutions

29,625,998

Rows available

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 2022 vs Q3 2022 Across Filers

Q3 2022 holders

Q4 2022 holders

Holder diff

Investor	Q3 2022 Shares	Q4 2022 Shares	Share Diff	Share Chg %	Q3 2022 value	Q4 2022 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend