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MGTX

MeiraGTx Holdings plc

NASDAQ · USHealthcareBiotechnology
$12.60+1.29%

Price as of Jul 20, 2026

MGTX ownership

MeiraGTx Holdings plc ownership & insider activity

Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
4
Net (3m)
-$1.6M
Insider trades by month Buys Sells
Jul
Oct
Mar
Apr
May
Jul
Context3-month price +18.1%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jul 7, 2026Naylor Stuartofficer: CHIEF SCI OFCR, OPHTHALMOLOGYSell25,112$14.90
Jul 7, 2026Naylor Stuartofficer: CHIEF SCI OFCR, OPHTHALMOLOGYSell2,547$13.86
Jun 29, 2026Forbes Alexandriadirector, officer: PRESIDENT & CEOGrant980,000
Jun 29, 2026Giroux Richardofficer: CFO & COOGrant980,000
Jun 29, 2026Wollin Robert Jofficer: GENERAL COUNSEL AND SECRETARYGrant100,000
Jun 29, 2026Zeldin Robert Kofficer: CHIEF MEDICAL OFFICERGrant100,000
Jun 29, 2026Naylor Stuartofficer: CHIEF SCI OFCR, OPHTHALMOLOGYGrant70,000
Jun 15, 2026Seligman NicoledirectorGrant60,000
Jun 15, 2026PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Grant60,000
Jun 15, 2026Yu DebradirectorGrant60,000
Jun 15, 2026Harris Keith R.directorGrant106,441
Jun 15, 2026Hukkelhoven EllendirectorGrant60,000
Jun 15, 2026Mendoza NeildirectorGrant66,641
Jun 15, 2026SHENK THOMAS EdirectorGrant69,662
Jun 10, 2026Harris Keith R.directorOption75,000
May 19, 2026Forbes Alexandriadirector, officer: PRESIDENT & CEOSell62,000$9.17
May 14, 2026Fleck Penny Reneeofficer: CHIEF DEVELOPMENT OFFICERGrant100,000$9.97
Apr 28, 2026Zeldin Robert Kofficer: CHIEF MEDICAL OFFICERTax7,814$7.73
Apr 23, 2026PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Grant400,000$15.00
Apr 23, 2026PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Grant555,555$9.00
Apr 23, 2026PERCEPTIVE ADVISORS LLCdirector, 10 percent owner: Grant300,000$20.00
Apr 21, 2026Giroux Richardofficer: CFO & COOSell56,000$10.22
Apr 7, 2026Naylor Stuartofficer: CHIEF DEV. OFFICERSell27,661$9.36
Mar 24, 2026Forbes Alexandriadirector, officer: PRESIDENT & CEOSell62,000$7.41
Feb 23, 2026Wollin Robert Jofficer: GENERAL COUNSEL AND SECRETARYOption11,250
Feb 23, 2026Naylor Stuartofficer: CHIEF DEV. OFFICEROption25,000
Feb 23, 2026Naylor Stuartofficer: CHIEF DEV. OFFICERTax11,750$7.45
Feb 23, 2026Giroux Richardofficer: CFO & COOOption60,000
Feb 23, 2026Giroux Richardofficer: CFO & COOTax31,726$7.45
Feb 23, 2026Forbes Alexandriadirector, officer: PRESIDENT & CEOOption62,500

Source: MGTX SEC Form 4 filings, latest Jul 7, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their MGTX positions over the last 6 months (SEC Form 13F).

Increased
95
New positions
38
Reduced
79
Sold out
25
Largest moves
InstitutionActionSharesFiled
SANOFIUnchanged12.2MMay 7, 2026
SANOFIUnchanged12.2MFeb 11, 2026
PERCEPTIVE ADVISORS LLCReduced10.3MFeb 17, 2026
PERCEPTIVE ADVISORS LLCUnchanged10.3MMay 29, 2026
RUBRIC CAPITAL MANAGEMENT LPIncreased7.0MMay 15, 2026
JOHNSON & JOHNSONReduced6.6MMay 13, 2026
JOHNSON & JOHNSONUnchanged6.6MMar 18, 2026
RUBRIC CAPITAL MANAGEMENT LPIncreased6.2MFeb 13, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Unchanged4.0MMay 15, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced4.0MFeb 17, 2026
MILLENNIUM MANAGEMENT LLCIncreased3.5MMay 15, 2026
PROSIGHT MANAGEMENT, LPReduced3.2MFeb 13, 2026
MILLENNIUM MANAGEMENT LLCIncreased3.2MFeb 17, 2026
BLACKROCK, INC.Increased3.2MMay 13, 2026
BLACKROCK, INC.Increased3.1MFeb 12, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.