Question 1

How many shares of MMSI does WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC own?

Accepted Answer

As of 2026-Q1, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds 777,494 shares of MMSI (MERIT MED SYS INC).

Question 2

What is WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's MMSI position worth?

Accepted Answer

As of 2026-Q1, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's MMSI position is worth $53.6M.

Question 3

Is WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC buying or selling MMSI?

Accepted Answer

In 2026-Q1, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC decreased their MMSI position (-11.1% change in shares).

Question 4

When did WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC first buy MMSI?

Accepted Answer

Based on available 13F filings, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC first reported a position in MMSI in 2019-Q4. They have held the position across 26 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	777,494	-11.1%	$53.6M	0.2%	$74.85	0
2025-Q4	Increased	874,859	+1.3%	$77.1M	0.2%	$88.56	36
2025-Q3	Increased	863,996	+16.8%	$71.9M	0.2%	$80.86	41
2025-Q2	Increased	739,600	+22.9%	$69.1M	0.2%	$93.50	43
2025-Q1	Decreased	601,644	-12.4%	$63.6M	0.2%	$103.94	0
2024-Q4	Decreased	687,031	-52.2%	$66.4M	0.2%	$96.50	0
2024-Q3	Decreased	1.4M	-52.9%	$142.2M	0.4%	$97.68	0
2024-Q2	Increased	3.1M	+0.3%	$262.4M	0.7%	$85.95	43
2024-Q1	Decreased	3M	-19.7%	$230.5M	0.6%	$75.75	0
2023-Q4	Decreased	3.8M	-2.7%	$288M	0.8%	$75.96	0
2023-Q3	Increased	3.9M	+15.4%	$268.9M	0.9%	$69.02	50
2023-Q2	Decreased	3.4M	-0.6%	$282.3M	0.9%	$83.42	0
2023-Q1	Decreased	3.4M	-9.0%	$251.1M	0.9%	$72.97	0
2022-Q4	Decreased	3.7M	-8.7%	$263.4M	1.0%	$70.62	0
2022-Q3	Increased	4.1M	+25.6%	$230.8M	0.9%	$57.07	53
2022-Q2	Decreased	3.3M	-3.0%	$176.4M	0.7%	$54.58	0
2022-Q1	Decreased	3.4M	-0.2%	$223M	0.7%	$66.46	0
2021-Q4	Decreased	3.4M	-0.7%	$209.2M	0.6%	$63.99	0
2021-Q3	Decreased	3.4M	-1.6%	$242.9M	0.7%	$72.11	0
2021-Q2	Decreased	3.4M	-1.1%	$222.3M	0.7%	$64.52	0
2021-Q1	Increased	3.5M	+2.6%	$208.2M	0.7%	$59.56	44
2020-Q4	Increased	3.4M	+248.2%	$188M	0.6%	$54.76	69
2020-Q3	Increased	972,964	+0.7%	$42.3M	0.2%	$43.07	35
2020-Q2	Increased	965,936	+1.2%	$44.1M	0.2%	$43.92	35
2020-Q1	Increased	954,873	+11.9%	$29.8M	0.1%	$30.91	39
2019-Q4	New	852,927	-	$26.6M	0.1%	$30.66	47

MMSI26 quarters

MMSI
26 quarters