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Disclosery

MGTX MEIRAGTX HLDGS PLC

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COMMON STOCK (common), issuer CIK 1735438

122 managers (123 13F filers) reported a position in MGTX shares at 2025-09-30, 64,115,601 shares in all. 24 filers opened a position and 13 filers sold out during the quarter.

Managers
122
13F filers
123
New
24
Added
29
Reduced
39
Sold out
13
Shares held by filers
64,115,601

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
Naylor Stuartofficer (CHIEF SCI OFCR, OPHTHALMOLOGY)2026-10-06-27,659 S$10.64Form 4

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
PERCEPTIVE ADVISORS LLCin group PERCEPTIVE ADVISORS LLC12,626,103$104M3%013F-HRTimelineGroup
Sanofi12,197,737$100M38.56%013F-HRTimeline
JOHNSON & JOHNSONin group JOHNSON & JOHNSON6,641,064$54.7M10.85%013F-HR/ATimelineGroup
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…4,184,578$34.4M0.05%-1,850,00013F-HRTimelineGroup
Prosight Management, LP4,089,509$33.7M8.08%-497,91413F-HRTimeline
Rubric Capital Management LP3,726,451$30.7M0.41%013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.2,774,272$22.8M<0.01%-88,13613F-HRTimelineGroup
683 Capital Management, LLCin group 683 Capital Management, LLC2,625,000$21.6M1.96%-65,00013F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC2,560,969$21.1M0.02%+1,775,78813F-HRTimelineGroup
J. Goldman & Co LP1,800,931$14.8M0.56%-243,64313F-HRTimeline
Knoll Capital Management, LLC1,250,000$10.3M5.51%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY1,241,994$10.2M<0.01%+787,64013F-HR/ATimelineGroup
Erste Asset Management GmbHin group Erste Asset Management GmbH709,702$5.86M0.06%-80,00013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP681,031$5.6M<0.01%-1,17113F-HRTimelineGroup
22NW, LP586,519$4.83M2.51%013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC555,313$4.57M<0.01%-2,25613F-HRTimelineGroup
Long Focus Capital Management, LLC524,745$4.32M0.25%013F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC463,935$3.82M<0.01%+43,26113F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA300,343$2.47M<0.01%-3,53213F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP270,893$2.23M<0.01%-3,04213F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC260,219$2.14M<0.01%+113,70613F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC204,865$1.69M<0.01%+3,25513F-HRTimelineGroup
Woodline Partners LP200,323$1.65M0.01%new13F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/198,206$1.63M<0.01%-68,46013F-HR/ATimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.173,202$1.43M<0.01%new13F-HRTimelineGroup
Privium Fund Management B.V.163,000$1.34M0.24%013F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…141,736$1.17M<0.01%-80,68513F-HRTimelineGroup
BLAIR WILLIAM & CO/IL132,533$1.09M<0.01%013F-HRTimeline
Nuveen, LLCin group TIAA131,142$1.08M<0.01%-8,00313F-HRTimelineGroup
PLATINUM INVESTMENT MANAGEMENT LTD127,534$1.05M0.07%-80,77413F-HRTimeline
Qube Research & Technologies Ltd115,051$947K<0.01%+33,82013F-HRTimeline
Hennion & Walsh Asset Management, Inc.108,981$897K0.03%+44,85413F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC107,784$887K<0.01%+1,15813F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp105,799$871K<0.01%-2,40313F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC104,493$860K<0.01%new13F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co104,059$856K<0.01%-68313F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC84,001$691K<0.01%-24,10913F-HR/ATimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…82,844$682K<0.01%+3,45213F-HRTimelineGroup
STEMPOINT CAPITAL LP81,858$674K0.14%new13F-HRTimeline
UBS Group AGin group UBS Group AG81,593$672K<0.01%+8,69413F-HRTimelineGroup
AMH Equity Ltd80,000$658K0.83%new13F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC70,600$581K0.01%new13F-HR/ATimelineGroup
Invesco Ltd.in group Invesco Ltd.69,500$572K<0.01%+25,34713F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC69,243$570K0.01%+34,05413F-HRTimeline
Fort Sheridan Advisors LLC65,633$540K0.07%-2,79013F-HRTimeline
RHUMBLINE ADVISERS60,679$499K<0.01%-3,03613F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO60,394$497K<0.01%+35,52713F-HR/ATimelineGroup
TOCQUEVILLE ASSET MANAGEMENT L.P.in group TOCQUEVILLE ASSET MANAGEMENT …59,200$487K0.01%+14,70013F-HRTimelineGroup
Quantinno Capital Management LP57,233$471K<0.01%+8,34013F-HRTimeline
DAVENPORT & Co LLC55,200$454K<0.01%013F-HRTimeline
ALLIANCEBERNSTEIN L.P.54,590$449K<0.01%013F-HRTimeline
BROWN ADVISORY INCin group BROWN ADVISORY INC50,000$412K<0.01%013F-HRTimelineGroup
Dynamic Technology Lab Private Ltd45,417$374K0.06%new13F-HRTimeline
ExodusPoint Capital Management, LP42,973$354K<0.01%new13F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD42,645$351K<0.01%+15,80013F-HRTimeline
Sender Co & Partners, Inc.40,668$335K0.13%-19,97213F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…38,628$318K<0.01%-49,94713F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd34,264$282K0.01%new13F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\33,321$274K<0.01%+4,19713F-HRTimelineGroup
LETKO, BROSSEAU & ASSOCIATES INC32,000$263K<0.01%-13,30013F-HRTimeline
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC31,574$260K0.01%-5,00913F-HRTimelineGroup
SG Americas Securities, LLC29,992$247K<0.01%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN27,307$225K<0.01%+4,35613F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources26,406$217K<0.01%-6,10813F-HRTimelineGroup
LEVIN CAPITAL STRATEGIES, L.P.25,000$206K0.02%013F-HRTimeline
GSA CAPITAL PARTNERS LLP24,660$203K0.02%new13F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…24,196$199K<0.01%-6,64113F-HRTimelineGroup
SkyView Investment Advisors, LLC24,000$198K0.03%013F-HRTimeline
FOX RUN MANAGEMENT, L.L.C.22,972$189K0.03%new13F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/22,776$188K<0.01%013F-HRTimeline
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding22,148$182K-3,767Timeline
Beacon Pointe Advisors, LLC20,763$171K<0.01%new13F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC19,143$158K<0.01%+7,23913F-HRTimelineGroup
Creative Planningin group Creative Planning16,586$137K<0.01%+3,81513F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC16,016$132K<0.01%-55813F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …15,475$127K<0.01%-1,34913F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.15,000$123K<0.01%013F-HRTimelineGroup
Hobbs Group Advisors, LLC14,213$117K0.04%013F-HRTimeline
China Universal Asset Management Co., L…14,101$116K0.01%-2,04013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC13,414$110K<0.01%-4,86913F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…12,237$101K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…11,661$96K<0.01%013F-HRTimeline
Family Manage LLC10,000$82.3K0.01%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS8,937$73.6K<0.01%+4,12713F-HRTimelineGroup
CWM, LLCin group CWM, LLC7,850$65K<0.01%-58413F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND7,263$59.8K<0.01%013F-HRTimeline
FNY Investment Advisers, LLC6,429$52K0.02%-2,93113F-HRTimeline
FMR LLCin group FMR LLC5,524$45.5K<0.01%+6113F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…5,500$45.3K<0.01%new13F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc4,415$36.3K<0.01%013F-HRTimelineGroup
Arax Advisory Partners4,283$35.2K<0.01%new13F-HRTimeline
State of Alaska, Department of Revenue4,030$33K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…3,481$28.6K<0.01%-1,39013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…2,595$21.4K<0.01%new13F-HRTimeline
Versant Capital Management, Inc2,272$18.7K<0.01%+1813F-HRTimeline
GF FUND MANAGEMENT CO. LTD.1,731$14.2K<0.01%-27013F-HRTimeline
AMALGAMATED BANK1,607$13K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,502$12.4K<0.01%-7,29513F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…1,269$10.4K<0.01%-57213F-HRTimeline
Sterling Capital Management LLC814$6.7K<0.01%+32413F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp800$6.58K<0.01%013F-HRTimelineGroup
Optiver Holding B.V.in group Optiver Holding B.V.612$5.04K<0.01%new13F-HRTimelineGroup
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.330$3K<0.01%013F-HRTimelineGroup
GAMMA Investing LLC357$2.94K<0.01%+16313F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.252$1.98K<0.01%+213F-HRTimelineGroup
Farther Finance Advisors, LLC211$1.74K<0.01%new13F-HRTimeline
Essential Partners LLC207$1.7K<0.01%013F-HRTimeline
GROUP ONE TRADING LLC200$1.65K<0.01%-9,05913F-HRTimeline
ROTHSCHILD INVESTMENT LLC180$1.48K<0.01%-4013F-HRTimeline
SBI Securities Co., Ltd.155$1.28K<0.01%-5813F-HRTimeline
NISA INVESTMENT ADVISORS, LLC130$1.07K<0.01%013F-HRTimeline
Bell Investment Advisors, Inc100$823<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust75$618<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…72$593<0.01%013F-HRTimelineGroup
FINANCIAL CONSULATE, INC70$577<0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…68$560<0.01%+1613F-HRTimelineGroup
Founders Capital Management50$412<0.01%013F-HRTimeline
Clearstead Advisors, LLC40$330<0.01%new13F-HRTimeline
True Wealth Design, LLC25$206<0.01%013F-HRTimeline
IFP Advisors, Inc18$148<0.01%+213F-HR/ATimeline
Allworth Financial LP4$33<0.01%new13F-HRTimeline
Larson Financial Group LLC3$25<0.01%new13F-HRTimeline

Events

  • Naylor Stuart sold 27,659 MGTX shares on 2026-10-06, Form 4 filed 2026-10-06. 0001742771-26-000014

    Accepted , ingested