MeiraGTx Ownership | Who Owns MeiraGTx?

Overview Forecast RevenueFinancials Chart

MeiraGTx Ownership Summary

MeiraGTx is owned by 1.85% institutional investors, 19.98% insiders, and 78.17% retail investors. Perceptive advisors is the largest institutional shareholder, holding 15.67% of MGTX shares. iShares Russell 2000 ETF is the top mutual fund, with 1.36% of its assets in MeiraGTx shares.

MGTX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MeiraGTx	1.85%	19.98%	78.17%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Perceptive advisors	12.63M	15.67%	$103.79M
Sanofi	12.20M	15.07%	$96.97M
Johnson & johnson	6.64M	8.20%	$52.80M
Rubric capital management lp	6.18M	7.63%	$49.09M
Adage capital partners gp	4.18M	5.19%	$34.44M
Prosight management, lp	3.21M	3.97%	$25.52M
Blackrock	2.52M	3.94%	$10.62M
Blackrock funding, inc. /de	3.07M	3.79%	$24.41M
683 capital management	2.63M	3.26%	$21.60M
Morgan stanley	1.83M	2.26%	$14.54M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Sanofi	12.20M	31.24%	$96.97M
Johnson & johnson	6.64M	9.52%	$52.80M
Knoll capital management	1.25M	5.51%	$10.29M
Prosight management, lp	3.21M	5.27%	$25.52M
Perceptive advisors	12.63M	3.00%	$103.79M
22nw, lp	586.52K	1.96%	$4.66M
683 capital management	2.63M	1.13%	$21.60M
Amh equity	80.00K	0.82%	$658.40K
Rubric capital management lp	6.18M	0.59%	$49.09M
J. goldman & co lp	1.80M	0.37%	$14.82M

Top Buyers

Holder	Shares	% Assets	Change
Rubric capital management lp	6.18M	0.59%	2.45M
Morgan stanley	1.83M	0.00%	587.26K
Blackrock	2.52M	0.00%	335.25K
Jefferies financial group	298.24K	0.01%	298.24K
Blackrock funding, inc. /de	3.07M	0.00%	295.57K

Top Sellers

Holder	Shares	% Assets	Change
Adage capital partners gp	4.18M	0.05%	-1.85M
Prosight management, lp	3.21M	5.27%	-879.72K
Monashee investment management	-	-	-450.49K
Garden state investment advisory services	-	-	-392.40K
Alyeska investment group	-	-	-330.18K

New Positions

Holder	Shares	% Assets	Change	Value
Jefferies financial group	298.24K	0.01%	298.24K	$2.37M
Balyasny asset management	140.90K	0.00%	140.90K	$918.69K
Stempoint capital lp	81.86K	0.14%	81.86K	$673.69K
Amh equity	80.00K	0.82%	80.00K	$658.40K
Y-intercept (hong kong)	65.56K	0.01%	65.56K	$521.19K

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-5.00
Us bancorp \de\	-38.00
Clearstead advisors	-40.00
Founders capital management	-50.00
Group one trading	-200.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	30	-76.19%	1,493,700	-97.67%	1	0.03%	13	-75.47%	9	-77.50%
Sep 30, 2025	36	-68.42%	13,541,090	-78.93%	16	0.25%	15	-70.00%	10	-75.00%
Jun 30, 2025	113	-6.61%	64,259,162	7.12%	81	1.41%	49	-23.44%	40	14.29%
Mar 31, 2025	120	16.50%	59,962,502	3.20%	75	1.15%	64	3.23%	34	47.83%
Dec 31, 2024	95	-5.94%	51,367,916	12.62%	71	1.77%	58	16.00%	21	-25.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Russell 2000 ETF	1.10M	1.36%	455.88K
iShares Biotechnology ETF	430.96K	0.54%	63.49K
Fidelity Small Cap Index	418.87K	0.52%	-498.00
Invesco Dorsey Wright SmallCap Momt ETF	298.82K	0.37%	-
State St Russell Sm/Mid Cp® Indx SL Cl I	283.29K	0.35%	-
iShares Russell 2000 Growth ETF	282.88K	0.35%	85.76K
Vanguard Russell 2000 ETF	215.48K	0.27%	-6.07K
State St Russell Sm/Mid Cp® Indx NL Cl C	199.95K	0.25%	-
Royce Micro-Cap Invmt	177.68K	0.23%	-
Royce Smaller-Companies Growth Svc	176.00K	0.22%	176.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 21, 2025	Giroux Richard	CFO & COO	Sell	$212.88K
Oct 07, 2025	Forbes Alexandria	PRESIDENT & CEO	Sell	$398.52K
Jul 22, 2025	Giroux Richard	CFO & COO	Sell	$204.48K
Jul 08, 2025	Forbes Alexandria	PRESIDENT & CEO	Sell	$378.57K
Apr 22, 2025	Giroux Richard	CFO & COO	Sell	$144.00K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	-
2025 Q4	-	2
2025 Q3	-	2
2025 Q2	-	2
2025 Q1	-	3

MGTX Ownership FAQ

Who Owns MeiraGTx?

MeiraGTx shareholders are primarily institutional investors at 1.85%, followed by 19.98% insiders and 78.17% retail investors. The average institutional ownership in MeiraGTx's industry, Biotech Stocks , is 381.47%, which MeiraGTx falls below.

Who owns the most shares of MeiraGTx?

MeiraGTx’s largest shareholders are Perceptive advisors (12.63M shares, 15.67%), Sanofi (12.2M shares, 15.07%), and Johnson & johnson (6.64M shares, 8.20%). Together, they hold 38.94% of MeiraGTx’s total shares outstanding.

Does Blackrock own MeiraGTx?

Yes, BlackRock owns 3.94% of MeiraGTx, totaling 2.52M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 10.62M$. In the last quarter, BlackRock increased its holdings by 335.24K shares, a 15.32% change.

Who is MeiraGTx’s biggest shareholder by percentage of total assets invested?

Sanofi is MeiraGTx’s biggest shareholder by percentage of total assets invested, with 31.24% of its assets in 12.2M MeiraGTx shares, valued at 96.97M$.

Who is the top mutual fund holder of MeiraGTx shares?

iShares Russell 2000 ETF is the top mutual fund holder of MeiraGTx shares, with 1.36% of its total shares outstanding invested in 1.1M MeiraGTx shares.

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