$MMSI

$93.53 -$0.67 (0.71%) Close

$MMSI Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 59.7M shares outstanding

Who owns MMSI?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 45.2%

BlackRock, Inc. 15.9% · Vanguard Portfolio Management LLC 5.8%

Institutional ownership

100.0%

+0.4 pts vs last qtr

Institutional holders

406

+5 vs last qtr

Net shares bought

+3.1M

by institutions in Q2 2026

New / sold out

65 / 60

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Neuberger Berman Group LLC +996.6K
Norges Bank NEW +711.2K

Biggest sellers in Q2 2026

Point72 Asset Management, L.P. −538.2K
Fuller & Thaler Asset Management, Inc. −502.5K

Who is planning to sell?

Notices of proposed sale, last 12 months

$7.78M

7 notices from 3 people

Shares covered

91.4K

0.15% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Fred Lampropoulos Director $5.19M
Neil W Peterson Officer $2.27M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+34.8%

+3.37% a year

Each share's claim on the business

−25.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $164M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years70% 3–5 years6% 1–3 years12% Under 1 year12%

Quarterly turnover

12.2%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MMSI on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	9.5M	15.85%	+630.2K (+7.1%)	≤2021	0.0%
Shares held by quarter Peak holding9.5M (Q2'26) Change over 8 quarters+488.0K Share of the company15.850% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	3.5M	5.82%	−49.3K (−1.4%)	≤2021	0.0%
Shares held by quarter Peak holding3.5M (Q1'26) Change over 8 quarters+3.5M Share of the company5.820% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

9.5M

% of company

15.85%

Change vs last qtr

+630.2K (+7.1%)

Held since

≤2021

Vanguard Portfolio Management LLC

3.5M

% of company

5.82%

Change vs last qtr

−49.3K (−1.4%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Merit Medical Systems Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MMSI on Form N-PORT; together they hold 51.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$249M	3.6M	6.02%	0.22%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$125M	1.8M	3.02%	0.01%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$249M

% of company

6.02%

% of the fund

0.22%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$125M

% of company

3.02%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Merit Medical Systems Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
LF Lampropoulos Fred P Insider	833.8K	1.40%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.400% Lampropoulos Fred P's insider activity →
MF Millner F. Ann Insider	11.2K	0.02%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.020% Millner F. Ann's insider activity →

Lampropoulos Fred P

Insider

833.8K

% of company

1.40%

Change vs last qtr

—

Held since

—

Millner F. Ann

Insider

11.2K

% of company

0.02%

Change vs last qtr

—

Held since

—

1 more holders behind a free account

See every insider and 5%+ holder of Merit Medical Systems Inc.

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