WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in MMSI — Merit Medical Systems Inc

CIK 1644956 CHICAGO, IL

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Position in MMSI

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$53,592,661

-$23,517,411 QoQ

Shares Held

777,494

-11.1% QoQ

Ownership

1.30%

of shares outstanding

% of Portfolio

0.18%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 78% Shared 0% None 22%

Common Shares in MMSI Over Time

Shares Held

Position Value (USD)

Position in Medical Instruments & Supplies

Healthcare · as of Mar 31, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $98,671,817 across 4 Medical Instruments & Supplies names. MMSI ranks #1 (54.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MMSI	Merit Medical Systems Inc This page	777,494	$53,592,661
2	ICUI	Icu Medical Inc/De	217,903	$28,142,172
3	WST	West Pharmaceutical Services Inc	39,725	$9,956,674
4	ISRG	Intuitive Surgical Inc	15,142	$6,980,310

All Filings in MMSI

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$53,592,661	777,494	-11.1%	Shares	Sole	2026-05-08
2025-12-31	$77,110,072	874,859	+1.3%	Shares	Sole	2026-02-09
2025-09-30	$71,910,387	863,996	+16.8%	Shares	Sole	2025-11-12
2025-06-30	$69,137,808	739,600	+22.9%	Shares	Sole	2025-07-29
2025-03-31	$63,599,787	601,644	-12.4%	Shares	Sole	2025-05-09
2024-12-31	$66,449,638	687,031	-52.2%	Shares	Sole	2025-02-10
2024-09-30	$142,170,117	1,438,532	-52.9%	Shares	Sole	2024-11-08
2024-06-30	$262,444,972	3,053,461	+0.3%	Shares	Sole	2024-08-08
2024-03-31	$230,503,386	3,042,949	-19.7%	Shares	Sole	2024-05-08
2023-12-31	$287,971,120	3,791,089	-2.7%	Shares	Sole	2024-02-09
2023-09-30	$268,880,868	3,895,695	+15.4%	Shares	Sole	2023-11-09
2023-06-30	$282,307,750	3,375,272	-0.6%	Shares	Sole	2023-08-11
2023-03-31	$251,121,776	3,395,832	-9.0%	Shares	Sole	2023-05-12
2022-12-31	$263,411,187	3,729,980	-8.7%	Shares	Sole	2023-02-09
2022-09-30	$230,786,670	4,083,997	+25.6%	Shares	Sole	2022-11-09
2022-06-30	$176,424,335	3,250,863	-3.0%	Shares	Sole	2022-08-10
2022-03-31	$222,954,285	3,351,688	-0.2%	Shares	Sole	2022-05-11
2021-12-31	$209,180,847	3,357,638	-0.7%	Shares	Sole	2022-02-14
2021-09-30	$242,875,131	3,382,662	-1.6%	Shares	Sole	2021-11-10
2021-06-30	$222,256,981	3,437,318	-1.1%	Shares	Sole	2021-08-12
2021-03-31	$208,198,508	3,476,929	+2.6%	Shares	Sole	2021-05-13
2020-12-31	$188,032,631	3,387,365	+248.1%	Shares	Sole	2021-02-09
2020-09-30	$42,323,934	972,964	+0.7%	Shares	Sole	2020-11-06
2020-06-30	$44,094,978	965,936	+1.2%	Shares	Sole	2020-08-12
2020-03-31	$29,839,781	954,873	—	Shares	Sole	2020-05-08
No filing history on record for this holder in this stock.