MMSI
Merit Med Sys (MMSI)
NASDAQ
$85.33-$0.82 (-0.95%)
Price as of Oct 02, 2026 5:48 PM EDT
  • $5.1B
    Market Cap
  • 4.47%
    1-Year Change
  • Medical Instruments & Supplies
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
15.85%
9.5M
+630,227 (+6.66%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
15.52%
9.3M
+289,732 (+3.13%)
Dec 31, 2024
BLACKROCK INC.
14.93%
8.9M
-592,942 (-6.65%)
Jun 30, 2024
VANGUARD GROUP INC
11.02%
6.6M
-61,420 (-0.93%)
Dec 31, 2025
BLACKROCK FUND ADVISORS
5.91%
3.5M
+437,028 (+12.38%)
Dec 31, 2016
N/A
5.82%
3.5M
-49,255 (-1.42%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
5.82%
3.5M
-49,255 (-1.42%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions1.2B (63.56%)
  • Mutual Funds660.5M (36.30%)
  • Insiders2.5M (0.14%)
  • Other0 (0.00%)

Insider Transactions

  • 0.14% (2.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $270.0M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Voigt Michel James
CHIEF HUMAN RESOURCES OFFICER
Gift
Aug 24, 2026
$0.00
650
$0.00
45,412
Peterson Neil
CHIEF OPERATING OFFICER
Sell
Aug 24, 2026
$678,360.00
7,500
$90.45
18,051
Peterson Neil
CHIEF OPERATING OFFICER
Sell
Aug 04, 2026
$1.8M
21,449
$85.00
25,551
Voigt Michel James
CHIEF HUMAN RESOURCES OFFICER
Gift
Jun 15, 2026
$0.00
65
$0.00
46,062
Parra Raul Jr.
CFO AND TREASURER
Award
Feb 26, 2026
$0.00
12,305
$0.00
36,506
Smith Christian Adam
Chief Commercial Officer
Award
Feb 26, 2026
$0.00
8,203
$0.00
19,181
Lloyd Brian G.
CHIEF LEGAL OFFICER, SECRETARY
Award
Feb 26, 2026
$0.00
10,254
$0.00
44,499
Voigt Michel James
CHIEF HUMAN RESOURCES OFFICER
Award
Feb 26, 2026
$0.00
7,690
$0.00
29,414
Parra Raul Jr.
CFO AND TREASURER
Award
Feb 26, 2026
$0.00
9,613
$0.00
46,119
Peterson Neil
CHIEF OPERATING OFFICER
Award
Feb 26, 2026
$0.00
7,690
$0.00
36,059
Lloyd Brian G.
CHIEF LEGAL OFFICER, SECRETARY
Award
Feb 26, 2026
$0.00
6,409
$0.00
50,908
Voigt Michel James
CHIEF HUMAN RESOURCES OFFICER
Award
Feb 26, 2026
$0.00
6,409
$0.00
35,823
Parra Raul Jr.
CFO AND TREASURER
Award
Feb 26, 2026
$0.00
17,002
$0.00
63,121
Smith Christian Adam
Chief Commercial Officer
Award
Feb 26, 2026
$0.00
6,409
$0.00
25,590
Lloyd Brian G.
CHIEF LEGAL OFFICER, SECRETARY
Award
Feb 26, 2026
$0.00
17,002
$0.00
67,910
Voigt Michel James
CHIEF HUMAN RESOURCES OFFICER
Award
Feb 26, 2026
$0.00
17,002
$0.00
52,825
Parra Raul Jr.
CFO AND TREASURER
In Kind
Feb 26, 2026
$450,799.56
5,778
$78.02
57,343
Peterson Neil
CHIEF OPERATING OFFICER
Award
Feb 26, 2026
$0.00
17,002
$0.00
53,061
Lloyd Brian G.
CHIEF LEGAL OFFICER, SECRETARY
In Kind
Feb 26, 2026
$450,799.56
5,778
$78.02
62,132
Voigt Michel James
CHIEF HUMAN RESOURCES OFFICER
In Kind
Feb 26, 2026
$522,577.96
6,698
$78.02
46,127
Smith Christian Adam
Chief Commercial Officer
Award
Feb 26, 2026
$0.00
6,762
$0.00
32,352
Peterson Neil
CHIEF OPERATING OFFICER
In Kind
Feb 26, 2026
$472,879.22
6,061
$78.02
47,000
Smith Christian Adam
Chief Commercial Officer
In Kind
Feb 26, 2026
$157,444.36
2,018
$78.02
30,334
Peterson Neil
CHIEF OPERATING OFFICER
Exempt
Jan 06, 2026
$0.00
5,000
$0.00
0
Peterson Neil
CHIEF OPERATING OFFICER
Exempt
Jan 06, 2026
$272,000.00
5,000
$54.40
33,369
Peterson Neil
CHIEF OPERATING OFFICER
Sell
Jan 06, 2026
$450,000.00
5,000
$90.00
28,369
LAMPROPOULOS FRED P
Executive Chairman
Sell
Nov 21, 2025
$2.2M
25,000
$87.31
1.0M
LAMPROPOULOS FRED P
Executive Chairman
Sell
Nov 20, 2025
$1.7M
20,000
$85.13
1.1M
LAMPROPOULOS FRED P
Executive Chairman
Sell
Nov 18, 2025
$424,130.00
5,000
$84.83
1.1M
Aronson Martha Goldberg
President and CEO
Award
Oct 03, 2025
$0.00
19,594
$0.00
19,594