There is a long list of 290 institutional holders of MMSI 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 MMSI by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MMSI table below, the initial column indicates the name of each top institutional holder of MMSI, with a link to that fund's top holdings. The next columns indicate the amount of MMSI stock held by each of the institutional holders of MMSI, followed by the MMSI 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
BlackRock Inc.	9,998,382	$759,477	12/31/2023
MMSI	9,998,382	$759,477	12/31/2023
Vanguard Group Inc.	6,884,723	$522,964	12/31/2023
MMSI	6,884,723	$522,964	12/31/2023
William Blair Investment Management LLC	3,791,089	$287,971	12/31/2023
MMSI	3,791,089	$287,971	12/31/2023
State Street Corp	2,224,650	$168,984	12/31/2023
MMSI	2,224,650	$168,984	12/31/2023
ArrowMark Colorado Holdings LLC	2,192,044	$166,508	12/31/2023
MMSI	2,192,044	$166,508	12/31/2023
Conestoga Capital Advisors LLC	2,151,938	$163,461	12/31/2023
MMSI	2,151,938	$163,461	12/31/2023
Fuller & Thaler Asset Management Inc.	1,419,621	$107,834	12/31/2023
MMSI	1,419,621	$107,834	12/31/2023
Dimensional Fund Advisors LP	1,306,702	$99,258	12/31/2023
MMSI	1,306,702	$99,258	12/31/2023
Macquarie Group Ltd.	1,281,519	$97,344	12/31/2023
MMSI	1,281,519	$97,344	12/31/2023
Morgan Stanley	1,269,537	$96,434	12/31/2023
MMSI	1,269,537	$96,434	12/31/2023
Geode Capital Management LLC	1,251,758	$95,094	12/31/2023
MMSI	1,251,758	$95,094	12/31/2023
Loomis Sayles & Co. L P	1,081,000	$82,113	12/31/2023
MMSI	1,081,000	$82,113	12/31/2023
Aristotle Capital Boston LLC	869,484	$66,046	12/31/2023
MMSI	869,484	$66,046	12/31/2023
Price T Rowe Associates Inc. MD	816,766	$62,042	12/31/2023
MMSI	816,766	$62,042	12/31/2023
Invesco Ltd.	801,158	$60,856	12/31/2023
MMSI	801,158	$60,856	12/31/2023
Westwood Holdings Group Inc.	748,350	$56,845	12/31/2023
MMSI	748,350	$56,845	12/31/2023
Channing Capital Management LLC	728,188	$55,313	12/31/2023
MMSI	728,188	$55,313	12/31/2023
Greenhouse Funds LLLP	723,867	$54,985	12/31/2023
MMSI	723,867	$54,985	12/31/2023
Northern Trust Corp	713,738	$54,216	12/31/2023
MMSI	713,738	$54,216	12/31/2023
FMR LLC	674,637	$51,245	12/31/2023
MMSI	674,637	$51,245	12/31/2023
Millennium Management LLC		$51,065	12/31/2023
MMSI	662,255	$50,305	12/31/2023
Call	10,000	$760	12/31/2023
Charles Schwab Investment Management Inc.	652,626	$49,573	12/31/2023
MMSI	652,626	$49,573	12/31/2023
Royal Bank of Canada	650,186	$49,388	12/31/2023
MMSI	650,186	$49,388	12/31/2023
Ameriprise Financial Inc.	593,851	$45,109	12/31/2023
MMSI	593,851	$45,109	12/31/2023
Rockefeller Capital Management L.P.	552,205	$41,945	12/31/2023
MMSI	552,205	$41,945	12/31/2023
Congress Asset Management Co. MA	518,485	$39,275	03/31/2024
MMSI	518,485	$39,275	03/31/2024
Bank of New York Mellon Corp	505,183	$38,268	03/31/2024
MMSI	505,183	$38,268	03/31/2024
Norges Bank	502,434	$38,165	12/31/2023
MMSI	502,434	$38,165	12/31/2023
Polar Capital Holdings Plc	478,342	$36,335	12/31/2023
MMSI	478,342	$36,335	12/31/2023
Bank of America Corp DE	449,573	$34,150	12/31/2023
MMSI	449,573	$34,150	12/31/2023
Nuveen Asset Management LLC	421,204	$31,995	12/31/2023
MMSI	421,204	$31,995	12/31/2023
Standard Life Aberdeen plc	400,521	$30,424	12/31/2023
MMSI	400,521	$30,424	12/31/2023
Eagle Asset Management Inc.	374,984	$28,484	12/31/2023
MMSI	374,984	$28,484	12/31/2023
Emerald Advisers LLC	371,611	$28,228	12/31/2023
MMSI	371,611	$28,228	12/31/2023
Principal Financial Group Inc.	311,285	$23,645	12/31/2023
MMSI	311,285	$23,645	12/31/2023
Emerald Mutual Fund Advisers Trust	307,203	$23,335	12/31/2023
MMSI	307,203	$23,335	12/31/2023
The Manufacturers Life Insurance Company	278,452	$21,151	12/31/2023
MMSI	278,452	$21,151	12/31/2023
Voya Investment Management LLC	274,004	$20,813	12/31/2023
MMSI	274,004	$20,813	12/31/2023
Frontier Capital Management Co. LLC	248,779	$18,897	12/31/2023
MMSI	248,779	$18,897	12/31/2023
RK Capital Management LLC	246,000	$18,686	12/31/2023
MMSI	246,000	$18,686	12/31/2023
Panagora Asset Management Inc.	242,598	$18,428	12/31/2023
MMSI	242,598	$18,428	12/31/2023
JPMorgan Chase & Co.	228,476	$17,355	12/31/2023
MMSI	228,476	$17,355	12/31/2023
Fisher Asset Management LLC	221,205	$16,803	12/31/2023
MMSI	221,205	$16,803	12/31/2023
D. E. Shaw & Co. Inc.	205,514	$15,611	12/31/2023
MMSI	205,514	$15,611	12/31/2023
Legal & General Group Plc	205,172	$15,585	12/31/2023
MMSI	205,172	$15,585	12/31/2023
Putnam Investments LLC	204,282	$15,517	12/31/2023
MMSI	204,282	$15,517	12/31/2023
Comerica Bank	204,109	$15,504	12/31/2023
MMSI	204,109	$15,504	12/31/2023
ExodusPoint Capital Management LP	200,317	$15,216	12/31/2023
MMSI	200,317	$15,216	12/31/2023
Sei Investments Co.	198,885	$15,107	12/31/2023
MMSI	198,885	$15,107	12/31/2023
New York State Common Retirement Fund	193,039	$14,663	12/31/2023
MMSI	193,039	$14,663	12/31/2023

See All: Funds Holding MMSI
See Details: Top 10 Hedge Funds Holding MMSI
Also See: MMSI Insider Buying
Also See: MMSI Holdings Changes

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