WallStreetZenWallStreetZen

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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Meiragtx Holdings PLC insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Alexandria ForbesPRESIDENT CEO2026-05-1962,000$9.17
$568.54kSell
Richard GirouxCFO COO2026-04-2156,000$10.22
$572.32kSell
Perceptive Advisors LLCDirector2026-04-17555,555$9.00
$5.00MBuy
Stuart NaylorCHIEF DEV. OFFICER2026-04-0727,661$9.36
$258.91kSell
Alexandria ForbesPRESIDENT CEO2026-03-2462,000$7.41
$459.42kSell
Stuart NaylorCHIEF DEV. OFFICER2026-02-2111,750$7.45
$87.54kSell
Alexandria ForbesPRESIDENT CEO2026-02-2133,048$7.45
$246.21kSell
Richard GirouxCFO COO2026-02-2131,726$7.45
$236.36kSell
Robert J. WollinGENERAL COUNSEL AND SECRETARY2026-02-215,949$7.45
$44.32kSell
Robert K. ZeldinCHIEF MEDICAL OFFICER2026-02-212,952$7.45
$21.99kSell

1 of 3

MGTX insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MGTX insiders and whales buy or sell their stock.

MGTX Shareholders

What type of owners hold Meiragtx Holdings PLC stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sanofi13.17%12,197,737$169.79MInsider
Sanofi13.17%12,197,737$169.79MInstitution
Perceptive Advisors LLC11.65%10,786,658$150.15MInsider
Perceptive Advisors LLC11.15%10,326,103$143.74MInstitution
Rubric Capital Management LP7.56%7,000,000$97.44MInstitution
Johnson Johnson7.17%6,641,064$92.44MInstitution
Johnson Johnson7.17%6,641,064$92.44MInsider
Johnson Innovatio Johnson7.17%6,641,064$92.44MInsider
Perceptive Life Sciences Master Fund Ltd6.49%6,007,746$83.63MInsider
Adage Capital Partners GP LLC4.32%4,000,000$55.68MInstitution

1 of 3

MGTX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MGTX58.25%41.75%Net SellingNet Buying
CRVS68.16%31.84%Net BuyingNet Buying
ARDX42.55%57.45%Net SellingNet Selling
SVRA45.77%54.23%Net SellingNet Buying
AVLN0.00%29.18%Net BuyingNet Buying
View Top Biotech Stocks

Meiragtx Holdings Stock Ownership FAQ

Who owns Meiragtx Holdings?

Meiragtx Holdings (NASDAQ: MGTX) is owned by 72.77% institutional shareholders, 52.16% Meiragtx Holdings insiders, and 0.00% retail investors. Sanofi is the largest individual Meiragtx Holdings shareholder, owning 12.20M shares representing 13.17% of the company. Sanofi's Meiragtx Holdings shares are currently valued at $169.79M.

If you're new to stock investing, here's how to buy Meiragtx Holdings stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.