MeiraGTx Holdings plc (MGTX) Institutional Ownership

Institutions by Trading Activity

79,946,919Shares Outstanding

2,297Shares held by institutions

$17,021Value of institutional holdings

0.03%Institutional ownership %

-23.33%Shares Changed QoQ

4No. of institutional investors

Recent 13F filings as of December 2025 show that 4 institutional investors hold a position in MeiraGTx Holdings plc (NASDAQ:MGTX).

The percentage of MeiraGTx Holdings owned by institutions changed from 80.2% in September 2025 to 0.0% in December 2025, marking a slight down trend.
In percentage terms, this reflects as a holdings change of -23.33% quarter on quarter, and a decrease of 96.04% year over year.
A review of institutional activity for MeiraGTx Holdings shows 1 of 4 filers increasing their positions, while 1 reduced their stake, and 2 remained unchanged.
The aggregate institutional position in MeiraGTx Holdings now stands at 25.03K shares as of December 2025, after investors decreased their holdings (down by 7.62K shares quarter on quarter which is down 58.19Mn shares year over year).
As of December 31, 2025, SG Americas Securities, LLC held MeiraGTx Holdings's largest shareholding position with over 22.36K shares, representing 0.03% of total outstanding shares.
Among the most significant buyers of MeiraGTx Holdings during December 2025 were GAMMA Investing LLC (18).
Leading sellers of MeiraGTx Holdings stock in December 2025 included SG Americas Securities, LLC (7.63K).
The top 4 institutional holders of MeiraGTx Holdings for the quarter ending December 2025 included SG Americas Securities, LLC (22.36K), Versant Capital Management, Inc (2.27K), GAMMA Investing LLC (375), True Wealth Design, LLC (25).

2,297 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
PERCEPTIVE ADVISORS LLC	30 Sep, 2025	12,626,103	0	0.00%	$103,792,540.00
Sanofi	30 Sep, 2025	12,197,737	0	0.00%	$100,387,376.00
JOHNSON & JOHNSON	30 Sep, 2025	6,641,064	0	0.00%	$54,655,957.00
ADAGE CAPITAL PARTNERS GP, L.L.C.	30 Sep, 2025	4,184,578	-1,850,000	-30.66%	$34,439,077.00
Prosight Management, LP	30 Sep, 2025	4,089,509	-497,914	-10.85%	$33,656,659.00
Rubric Capital Management LP	30 Sep, 2025	3,726,451	0	0.00%	$30,668,692.00
BlackRock, Inc.	30 Sep, 2025	2,774,272	-88,136	-3.08%	$22,832,257.00
683 Capital Management, LLC	30 Sep, 2025	2,625,000	-65,000	-2.42%	$21,603,749.00
MILLENNIUM MANAGEMENT LLC	30 Sep, 2025	2,572,269	1,787,088	227.60%	$21,169,774.00
J. Goldman & Co LP	30 Sep, 2025	1,800,931	-254,343	-12.38%	$14,821,662.00
Knoll Capital Management, LLC	30 Sep, 2025	1,250,000	0	0.00%	$10,287,500.00
MORGAN STANLEY	30 Sep, 2025	1,241,994	787,640	173.35%	$10,221,611.00
Erste Asset Management GmbH	30 Sep, 2025	709,702	-80,000	-10.13%	$5,855,042.00
STATE STREET CORP	30 Sep, 2025	681,031	-1,171	-0.17%	$5,604,885.00
22NW, LP	30 Sep, 2025	586,519	0	0.00%	$4,827,051.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	555,313	-2,256	-0.40%	$4,570,225.00
Long Focus Capital Management, LLC	30 Sep, 2025	524,745	0	0.00%	$4,318,651.00
VANGUARD GROUP INC	30 Sep, 2025	463,935	43,261	10.28%	$3,818,185.00
ROYAL BANK OF CANADA	30 Sep, 2025	300,343	-3,532	-1.16%	$2,471,000.00
NORTHERN TRUST CORP	30 Sep, 2025	270,893	-3,042	-1.11%	$2,229,450.00

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