Who owns MGTXWhat MGTX owns — n/a

Who owns MeiraGTx Holdings plc?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of MGTX from SEC Form 13F filings across 156 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 156 institutions disclosed 84.4M shares of MeiraGTx Holdings plc worth $742.5M; the largest disclosed holder is Sanofi. Source: SEC Form 13F filings, parsed by EvidInvest.

156

13F holders

$742.5M

value, 2026 filers

84.4M

shares disclosed

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MGTX's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	Sanofi	12.2M	$164.8M	30.9%	—	—
2	PERCEPTIVE ADVISORS LLC	10.3M	$89.3M	0.9%	—	—
3	Rubric Capital Management LP	7.0M	$60.6M	0.6%	—	—
4	JOHNSON & JOHNSON	6.6M	$57.5M	8.8%	—	—
5	Johnson & Johnson Innovation - JJDC, Inc.	2.9M	$44.9M	4.6%	—	—
6	ADAGE CAPITAL PARTNERS GP, L.L.C.	4.0M	$34.6M	0.1%	—	—
7	MILLENNIUM MANAGEMENT LLC	3.5M	$30.0M	0.0%	—	—
8	BlackRock, Inc.	3.2M	$27.4M	0.0%	—	—
9	Prosight Management, LP	2.6M	$22.8M	3.7%	—	—
10	683 Capital Management, LLC	2.5M	$21.2M	1.1%	—	—
11	Opaleye Management Inc.	2.1M	$18.4M	2.4%	—	—
12	MORGAN STANLEY	1.6M	$13.8M	0.0%	—	—
13	Knoll Capital Management, LLC	1.3M	$10.8M	6.0%	—	—
14	BlackRock Inc.	2.5M	$10.6M	0.0%	—	—
15	Erste Asset Management GmbH	691,200	$8.7M	0.1%	—	—
16	KENNEDY CAPITAL MANAGEMENT LLC	858,379	$7.4M	0.2%	—	—
17	STATE STREET CORP	753,378	$6.5M	0.0%	—	—
18	Logos Global Management LP	700,000	$6.1M	0.3%	—	—
19	Hennion & Walsh Asset Management, Inc.	421,979	$5.7M	0.2%	—	—
20	GEODE CAPITAL MANAGEMENT, LLC	584,899	$5.1M	0.0%	—	—
21	Long Focus Capital Management, LLC	524,745	$4.5M	0.1%	—	—
22	VANGUARD GROUP INC	494,753	$3.9M	0.0%	—	—
23	GOLDMAN SACHS GROUP INC	441,414	$3.8M	0.0%	—	—
24	D. E. Shaw & Co., Inc.	425,281	$3.7M	0.0%	—	—
25	UBS Group AG	303,198	$2.6M	0.0%	—	—

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.