There is a long list of 89 institutional holders of MGTX within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of MGTX by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MGTX table below, the initial column indicates the name of each top institutional holder of MGTX, with a link to that fund's top holdings. The next columns indicate the amount of MGTX stock held by each of the institutional holders of MGTX, followed by the MGTX position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Perceptive Advisors LLC	11,331,103	$79,544	12/31/2023
MGTX	11,331,103	$79,544	12/31/2023
Johnson & Johnson	6,641,064	$46,620	12/31/2023
MGTX	6,641,064	$46,620	12/31/2023
Adage Capital Partners GP L.L.C.	5,291,618	$37,147	12/31/2023
MGTX	5,291,618	$37,147	12/31/2023
Prosight Management LP	4,050,714	$28,436	12/31/2023
MGTX	4,050,714	$28,436	12/31/2023
683 Capital Management LLC	2,500,000	$17,550	12/31/2023
MGTX	2,500,000	$17,550	12/31/2023
BlackRock Inc.	2,218,952	$15,577	12/31/2023
MGTX	2,218,952	$15,577	12/31/2023
Royce & Associates LP	672,115	$4,718	12/31/2023
MGTX	672,115	$4,718	12/31/2023
State Street Corp	561,618	$3,943	12/31/2023
MGTX	561,618	$3,943	12/31/2023
Dimensional Fund Advisors LP	433,249	$3,042	12/31/2023
MGTX	433,249	$3,042	12/31/2023
Geode Capital Management LLC	387,548	$2,721	12/31/2023
MGTX	387,548	$2,721	12/31/2023
JPMorgan Chase & Co.	384,444	$2,699	12/31/2023
MGTX	384,444	$2,699	12/31/2023
Laurion Capital Management LP	367,937	$2,583	12/31/2023
MGTX	367,937	$2,583	12/31/2023
Alyeska Investment Group L.P.	330,182	$2,318	12/31/2023
MGTX	330,182	$2,318	12/31/2023
Vanguard Group Inc.	312,421	$2,193	12/31/2023
MGTX	312,421	$2,193	12/31/2023
Northern Trust Corp	244,549	$1,717	12/31/2023
MGTX	244,549	$1,717	12/31/2023
Citadel Advisors LLC		$1,270	12/31/2023
MGTX	236,316	$1,659	12/31/2023
Put	58,200	$409	12/31/2023
Call	2,900	$20	12/31/2023
Russell Investments Group Ltd.	155,005	$1,088	12/31/2023
MGTX	155,005	$1,088	12/31/2023
Wellington Management Group LLP	146,456	$1,028	12/31/2023
MGTX	146,456	$1,028	12/31/2023
Millennium Management LLC	134,975	$948	12/31/2023
MGTX	134,975	$948	12/31/2023
Nuveen Asset Management LLC	133,574	$938	12/31/2023
MGTX	133,574	$938	12/31/2023
Blair William & Co. IL	132,133	$928	12/31/2023
MGTX	132,133	$928	12/31/2023
Morgan Stanley	122,500	$860	12/31/2023
MGTX	122,500	$860	12/31/2023
Bank of New York Mellon Corp	131,059	$796	03/31/2024
MGTX	131,059	$796	03/31/2024
Goldman Sachs Group Inc.	102,315	$718	12/31/2023
MGTX	102,315	$718	12/31/2023
Los Angeles Capital Management & Equity Research Inc.	116,303	$706	03/31/2024
MGTX	116,303	$706	03/31/2024
Barclays PLC	98,652	$693	12/31/2023
MGTX	98,652	$693	12/31/2023
Renaissance Technologies LLC	80,400	$564	12/31/2023
MGTX	80,400	$564	12/31/2023
Jane Street Group LLC	77,741	$546	12/31/2023
MGTX	77,741	$546	12/31/2023
Change Path LLC	76,942	$540	12/31/2023
MGTX	76,942	$540	12/31/2023
Charles Schwab Investment Management Inc.	74,544	$523	12/31/2023
MGTX	74,544	$523	12/31/2023
Fort Sheridan Advisors LLC	73,388	$515	12/31/2023
MGTX	73,388	$515	12/31/2023
DAVENPORT & Co LLC	60,355	$424	12/31/2023
MGTX	60,355	$424	12/31/2023
Jump Financial LLC	52,938	$372	12/31/2023
MGTX	52,938	$372	12/31/2023
Bank of America Corp DE	49,196	$345	12/31/2023
MGTX	49,196	$345	12/31/2023
Rhumbline Advisers	46,466	$326	12/31/2023
MGTX	46,466	$326	12/31/2023
Alliancebernstein L.P.	42,440	$298	12/31/2023
MGTX	42,440	$298	12/31/2023
State of Wisconsin Investment Board	42,200	$296	12/31/2023
MGTX	42,200	$296	12/31/2023
Squarepoint Ops LLC	38,854	$273	12/31/2023
MGTX	38,854	$273	12/31/2023
D. E. Shaw & Co. Inc.	36,584	$257	12/31/2023
MGTX	36,584	$257	12/31/2023
UBS Group AG	36,477	$256	12/31/2023
MGTX	36,477	$256	12/31/2023
Sierra Summit Advisors LLC	35,884	$252	12/31/2023
MGTX	35,884	$252	12/31/2023
Tocqueville Asset Management L.P.	33,950	$238	12/31/2023
MGTX	33,950	$238	12/31/2023
Letko Brosseau & Associates Inc.	32,700	$230	12/31/2023
MGTX	32,700	$230	12/31/2023
Deutsche Bank AG	32,123	$226	12/31/2023
MGTX	32,123	$226	12/31/2023
Cornercap Investment Counsel Inc.	32,083	$225	12/31/2023
MGTX	32,083	$225	12/31/2023
Rhenman & Partners Asset Management AB	32,091	$225	12/31/2023
MGTX	32,091	$225	12/31/2023
Hobbs Group Advisors LLC	32,000	$225	12/31/2023
MGTX	32,000	$225	12/31/2023
XTX Topco Ltd	20,771	$146	12/31/2023
MGTX	20,771	$146	12/31/2023
Invesco Ltd.	17,713	$124	12/31/2023
MGTX	17,713	$124	12/31/2023
Walleye Capital LLC	16,996	$119	12/31/2023
MGTX	16,996	$119	12/31/2023