There is a long list of 197 institutional holders of MDXG 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 MDXG by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MDXG table below, the initial column indicates the name of each top institutional holder of MDXG, with a link to that fund's top holdings. The next columns indicate the amount of MDXG stock held by each of the institutional holders of MDXG, followed by the MDXG 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
Essex Woodlands Management Inc.	28,195,249	$247,272	12/31/2023
MDXG	28,195,249	$247,272	12/31/2023
BlackRock Inc.	9,168,923	$70,601	03/31/2024
MDXG	9,168,923	$70,601	03/31/2024
Vanguard Group Inc.	5,922,724	$45,605	03/31/2024
MDXG	5,922,724	$45,605	03/31/2024
State Street Corp	4,088,962	$35,860	12/31/2023
MDXG	4,088,962	$35,860	12/31/2023
Paradigm Capital Management Inc. NY	3,430,400	$30,085	12/31/2023
MDXG	3,430,400	$30,085	12/31/2023
Cannell Capital LLC	2,480,969	$21,758	12/31/2023
MDXG	2,480,969	$21,758	12/31/2023
Geode Capital Management LLC	2,620,966	$20,184	03/31/2024
MDXG	2,620,966	$20,184	03/31/2024
Morgan Stanley	1,587,593	$13,923	12/31/2023
MDXG	1,587,593	$13,923	12/31/2023
Renaissance Technologies LLC	1,756,585	$13,526	03/31/2024
MDXG	1,756,585	$13,526	03/31/2024
Divisadero Street Capital Management LP	1,292,161	$11,332	12/31/2023
MDXG	1,292,161	$11,332	12/31/2023
Royal Bank of Canada	1,079,097	$9,464	12/31/2023
MDXG	1,079,097	$9,464	12/31/2023
Charles Schwab Investment Management Inc.	1,171,413	$9,020	03/31/2024
MDXG	1,171,413	$9,020	03/31/2024
Richmond Brothers Inc.	1,097,016	$8,447	03/31/2024
MDXG	1,097,016	$8,447	03/31/2024
Prudential Financial Inc.	937,960	$8,226	12/31/2023
MDXG	937,960	$8,226	12/31/2023
Northern Trust Corp	1,052,156	$8,102	03/31/2024
MDXG	1,052,156	$8,102	03/31/2024
Arrowstreet Capital Limited Partnership	922,595	$8,091	12/31/2023
MDXG	922,595	$8,091	12/31/2023
Federated Hermes Inc.	807,373	$7,081	12/31/2023
MDXG	807,373	$7,081	12/31/2023
Royce & Associates LP	896,616	$6,904	03/31/2024
MDXG	896,616	$6,904	03/31/2024
Dimensional Fund Advisors LP	879,379	$6,771	03/31/2024
MDXG	879,379	$6,771	03/31/2024
Two Sigma Advisers LP	721,200	$6,325	12/31/2023
MDXG	721,200	$6,325	12/31/2023
Qube Research & Technologies Ltd	734,933	$5,659	03/31/2024
MDXG	734,933	$5,659	03/31/2024
Two Sigma Investments LP	620,063	$5,438	12/31/2023
MDXG	620,063	$5,438	12/31/2023
Susquehanna International Group LLP		$5,341	03/31/2024
MDXG	627,721	$4,833	03/31/2024
Call	105,000	$808	03/31/2024
Put	38,900	$300	03/31/2024
Putnam Investments LLC	566,192	$4,966	12/31/2023
MDXG	566,192	$4,966	12/31/2023
Bank of America Corp DE	546,193	$4,790	12/31/2023
MDXG	546,193	$4,790	12/31/2023
Franklin Resources Inc.	580,534	$4,470	03/31/2024
MDXG	580,534	$4,470	03/31/2024
Goldman Sachs Group Inc.	485,237	$4,256	12/31/2023
MDXG	485,237	$4,256	12/31/2023
Russell Investments Group Ltd.	551,546	$4,247	03/31/2024
MDXG	551,546	$4,247	03/31/2024
Deutsche Bank AG	467,519	$4,100	12/31/2023
MDXG	467,519	$4,100	12/31/2023
Invesco Ltd.	454,543	$3,986	12/31/2023
MDXG	454,543	$3,986	12/31/2023
Hillsdale Investment Management Inc.	486,500	$3,746	03/31/2024
MDXG	486,500	$3,746	03/31/2024
D. E. Shaw & Co. Inc.	427,129	$3,746	12/31/2023
MDXG	427,129	$3,746	12/31/2023
apricus wealth LLC	451,945	$3,480	03/31/2024
MDXG	451,945	$3,480	03/31/2024
Citigroup Inc.	403,875	$3,110	03/31/2024
MDXG	403,875	$3,110	03/31/2024
Marshall Wace LLP	331,494	$2,907	12/31/2023
MDXG	331,494	$2,907	12/31/2023
Bank of New York Mellon Corp	374,237	$2,882	03/31/2024
MDXG	374,237	$2,882	03/31/2024
Disciplined Growth Investors Inc. MN	316,095	$2,772	12/31/2023
MDXG	316,095	$2,772	12/31/2023
Globeflex Capital L P	315,249	$2,765	12/31/2023
MDXG	315,249	$2,765	12/31/2023
Prelude Capital Management LLC	294,734	$2,585	12/31/2023
MDXG	294,734	$2,585	12/31/2023
Fisher Asset Management LLC	331,456	$2,552	03/31/2024
MDXG	331,456	$2,552	03/31/2024
Barclays PLC	275,718	$2,418	12/31/2023
MDXG	275,718	$2,418	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	310,852	$2,394	03/31/2024
MDXG	310,852	$2,394	03/31/2024
Nuveen Asset Management LLC	305,664	$2,354	03/31/2024
MDXG	305,664	$2,354	03/31/2024
Isthmus Partners LLC	301,500	$2,322	03/31/2024
MDXG	301,500	$2,322	03/31/2024
Rafferty Asset Management LLC	288,271	$2,220	03/31/2024
MDXG	288,271	$2,220	03/31/2024
UBS Group AG	278,309	$2,143	03/31/2024
MDXG	278,309	$2,143	03/31/2024
Swiss National Bank	228,900	$1,763	03/31/2024
MDXG	228,900	$1,763	03/31/2024
Parsons Capital Management Inc. RI	227,146	$1,749	03/31/2024
MDXG	227,146	$1,749	03/31/2024
Calamos Advisors LLC	216,064	$1,664	03/31/2024
MDXG	216,064	$1,664	03/31/2024
Squarepoint Ops LLC	181,184	$1,589	12/31/2023
MDXG	181,184	$1,589	12/31/2023