NASDAQ: MGTX
Meiragtx Holdings PLC Stock Ownership - Who owns Meiragtx Holdings?

Insider buying vs selling

Have Meiragtx Holdings PLC insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert K. ZeldinCHIEF MEDICAL OFFICER2026-01-1713,951$7.42
$103.52kSell
Alexandria ForbesPRESIDENT CEO2026-01-17163,916$7.42
$1.22MSell
Richard GirouxCFO COO2026-01-17163,916$7.42
$1.22MSell
Stuart NaylorCHIEF DEV. OFFICER2026-01-1735,250$7.42
$261.56kSell
Robert J. WollinGENERAL COUNSEL AND SECRETARY2026-01-1727,206$7.42
$201.87kSell
Alexandria ForbesPRESIDENT CEO2026-01-0734,074$7.73
$263.39kSell
Richard GirouxCFO COO2026-01-0728,822$7.73
$222.79kSell
Stuart NaylorCHIEF DEV. OFFICER2026-01-0717,625$7.73
$136.24kSell
Robert K. ZeldinCHIEF MEDICAL OFFICER2026-01-076,729$7.73
$52.02kSell
Robert J. WollinGENERAL COUNSEL AND SECRETARY2026-01-074,364$7.73
$33.73kSell

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Net Insider Buy/Sell (L12M) Ownership

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MGTX Shareholders

What type of owners hold Meiragtx Holdings PLC stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Perceptive Advisors LLC15.69%12,626,103$96.34MInstitution
Sanofi15.15%12,197,737$93.07MInsider
Sanofi15.15%12,197,737$93.07MInstitution
Perceptive Advisors LLC12.71%10,231,103$78.06MInsider
Johnson Innovatio Johnson8.25%6,641,064$50.67MInsider
Johnson Johnson8.25%6,641,064$50.67MInstitution
Johnson Johnson8.25%6,641,064$50.67MInsider
Perceptive Life Sciences Master Fund Ltd7.46%6,007,746$45.84MInsider
Adage Capital Partners GP LLC5.20%4,184,578$31.93MInstitution
Prosight Management LP5.08%4,089,509$31.20MInstitution

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MGTX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MGTX57.28%42.72%Net SellingNet Selling
LENZ49.80%50.20%Net SellingNet Buying
GOSS77.81%15.24%Net Buying
IVA5.34%0.00%
PROK11.45%39.20%Net BuyingNet Selling

Meiragtx Holdings Stock Ownership FAQ

Who owns Meiragtx Holdings?

Meiragtx Holdings (NASDAQ: MGTX) is owned by 79.63% institutional shareholders, 59.39% Meiragtx Holdings insiders, and 0.00% retail investors. Sanofi is the largest individual Meiragtx Holdings shareholder, owning 12.20M shares representing 15.15% of the company. Sanofi's Meiragtx Holdings shares are currently valued at $101.36M.

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