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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
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
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
Richard GirouxCFO COO2026-02-2131,726$7.45
$236.36kSell
Richard GirouxCFO COO2026-01-17163,916$7.42
$1.22MSell

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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
Sanofi13.17%12,197,737$114.66MInstitution
Sanofi13.17%12,197,737$114.66MInsider
Perceptive Advisors LLC11.65%10,786,658$101.39MInsider
Perceptive Advisors LLC11.15%10,326,103$97.07MInstitution
Rubric Capital Management LP7.56%7,000,000$65.80MInstitution
Johnson Johnson7.17%6,641,064$62.43MInstitution
Johnson Innovatio Johnson7.17%6,641,064$62.43MInsider
Johnson Johnson7.17%6,641,064$62.43MInsider
Perceptive Life Sciences Master Fund Ltd6.49%6,007,746$56.47MInsider
Adage Capital Partners GP LLC4.32%4,000,000$37.60MInstitution

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MGTX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MGTX58.25%41.75%Net SellingNet Buying
JANX61.01%38.99%Net SellingNet Selling
SANA53.52%46.48%Net SellingNet Selling
TBPH53.64%46.36%Net SellingNet Selling
AVTX27.66%72.34%Net SellingNet Selling
View Top Biotech Stocks

Meiragtx Holdings Stock Ownership FAQ

Who owns Meiragtx Holdings?

Meiragtx Holdings (NASDAQ: MGTX) is owned by 72.77% institutional shareholders, 52.15% 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 $111.37M.

If you're new to stock investing, here's how to buy Meiragtx Holdings stock.
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