MeiraGTx Holdings plc

MGTXNASDAQ

$10.79+0.13 (+1.22%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

MeiraGTx Holdings plc price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+28.5%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Sanofi	12.95%	$165M	30.86%	Not reported
Perceptive Advisors LLC	11.45%	$146M	2.19%	Add 4.46%
Rubric Capital Management LP	9.66%	$123M	1.13%	Not reported
Johnson & Johnson	7.05%	$89.7M	11.23%	Not reported
BlackRock, Inc.	5.05%	$64.3M	0.00%	Not reported
Adage Capital Partners GP, L.L.C.	4.67%	$59.4M	0.08%	Add 10.00%
Opaleye Management Inc.	3.77%	$48M	4.34%	Add 67.20%
Millennium Management LLC	3.16%	$40.1M	0.01%	Not reported
683 Capital Management, LLC	2.44%	$31.1M	1.53%	Reduce 6.12%
Woodline Partners LP	1.59%	$20.3M	0.06%	Not reported
State Street Corp	1.48%	$18.8M	0.00%	Not reported
Morgan Stanley	1.39%	$17.7M	0.00%	Not reported
Knoll Capital Management, LLC	1.33%	$16.9M	9.42%	Not reported
Kennedy Capital Management LLC	1.17%	$14.9M	0.26%	Add 28.78%
Long Focus Capital Management, LLC	1.15%	$14.6M	0.37%	Add 105.87%
Jacobs Levy Equity Management, Inc	1.08%	$13.7M	0.05%	Not reported
D. E. Shaw & Co., Inc.	0.91%	$11.5M	0.01%	Not reported
Heights Capital Management, Inc	0.90%	$11.5M	2.65%	New Not reported
Geode Capital Management, LLC	0.90%	$11.5M	0.00%	Not reported
Vanguard Portfolio Management LLC	0.77%	$9.78M	0.00%	Not reported
Erste Asset Management GmbH	0.73%	$8.67M	0.07%	Reduce 3.96%
Citadel Advisors LLC	0.69%	$8.79M	0.00%	Not reported
Nuveen, LLC	0.68%	$8.64M	0.00%	Not reported
J. Goldman & Co LP	0.64%	$8.13M	0.21%	Add 191.92%
Jupiter Topco LLC	0.51%	$6.43M	0.00%	Not reported
PFM Health Sciences, LP	0.48%	$6.15M	0.53%	New Not reported
Hennion & Walsh Asset Management, Inc.	0.45%	$5.7M	0.16%	Add 18.95%
Northern Trust Corp	0.44%	$5.54M	0.00%	Not reported
Panagora Asset Management Inc	0.37%	$4.73M	0.01%	Not reported
Goldman Sachs Group Inc	0.35%	$4.42M	0.00%	Not reported
Bank of America Corp	0.31%	$3.91M	0.00%	Not reported
JPMorgan Chase & Co	0.22%	$2.57M	0.00%	Not reported
Point72 Asset Management, L.P.	0.21%	$2.73M	0.00%	Not reported
Ghisallo Capital Management LLC	0.21%	$2.7M	0.05%	Not reported
AQR Capital Management LLC	0.21%	$2.66M	0.00%	Not reported
Privium Fund Management B.V.	0.21%	$2.65M	0.49%	Reduce 7.54%
UBS Group AG	0.20%	$2.49M	0.00%	Not reported
Squarepoint Ops LLC	0.17%	$2.19M	0.00%	Not reported
Y-Intercept (Hong Kong) Ltd	0.16%	$2M	0.04%	Not reported
Russell Investments Group, Ltd.	0.16%	$1.99M	0.00%	Not reported
Wellington Management Group LLP	0.15%	$1.93M	0.00%	Add 13.13%
Charles Schwab Investment Management Inc	0.15%	$1.92M	0.00%	Not reported
Bank of New York Mellon Corp	0.15%	$1.87M	0.00%	Not reported
Blair William & Co	0.13%	$1.7M	0.00%	Add 0.04%
Voleon Capital Management LP	0.13%	$1.59M	0.03%	Add 426.81%
Swiss National Bank	0.12%	$1.51M	0.00%	Not reported
Barclays PLC	0.11%	$1.34M	0.00%	Not reported
Invesco Ltd.	0.10%	$1.28M	0.00%	Not reported
Alps Advisors Inc	0.10%	$1.26M	0.01%	Not reported
Prosight Management, LP	0.10%	$1.22M	0.21%	Reduce 96.58%

50 of 148 holders

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