NASDAQ: MMSI
Merit Medical Systems Inc Stock Ownership - Who owns Merit Medical Systems?

Insider buying vs selling

Have Merit Medical Systems Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Neil W. PetersonCHIEF OPERATING OFFICER2026-01-065,000$90.00
$450.00kSell
Neil W. PetersonCHIEF OPERATING OFFICER2026-01-065,000$54.40
$272.00kBuy
Fred P. LampropoulosExecutive Chairman2025-11-2510,000$88.04
$880.38kSell
Fred P. LampropoulosExecutive Chairman2025-11-2125,000$87.31
$2.18MSell
Fred P. LampropoulosExecutive Chairman2025-11-2020,000$85.13
$1.70MSell
Fred P. LampropoulosExecutive Chairman2025-11-185,000$84.83
$424.13kSell
Fred P. LampropoulosPresident and CEO2025-08-292,000$55.73
$111.46kBuy
Fred P. LampropoulosPresident and CEO2025-08-29159,151$55.73
$8.87MBuy
Fred P. LampropoulosPresident and CEO2025-08-291,454$90.54
$131.65kSell
Fred P. LampropoulosPresident and CEO2025-08-29124,824$90.54
$11.30MSell

1 of 6

MMSI insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MMSI insiders and whales buy or sell their stock.

MMSI Shareholders

What type of owners hold Merit Medical Systems Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Tudor Investment Corp Et Al59.03%35,000,000$2.84BInstitution
Blackrock Inc14.67%8,700,335$705.51MInstitution
Vanguard Group Inc11.20%6,643,438$538.72MInstitution
State Street Corp3.71%2,198,589$178.28MInstitution
Conestoga Capital Advisors LLC3.69%2,185,265$177.20MInstitution
Fuller Thaler Asset Management Inc3.11%1,843,114$149.46MInstitution
Fmr LLC2.73%1,620,839$131.43MInstitution
Maverick Capital Ltd2.72%1,610,214$130.57MInstitution
Geode Capital Management LLC2.45%1,451,951$117.74MInstitution
Fred P. Lampropoulos2.41%1,428,169$115.81MInsider

1 of 3

MMSI vs Medical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MMSI94.98%5.02%Net SellingNet Selling
STVN17.12%0.00%
TFX97.19%2.81%Net Buying
NVST63.78%36.22%Net Selling
ICUI72.01%27.99%Net BuyingNet Selling

Merit Medical Systems Stock Ownership FAQ

Who owns Merit Medical Systems?

Merit Medical Systems (NASDAQ: MMSI) is owned by 102.72% institutional shareholders, 5.43% Merit Medical Systems insiders, and 0.00% retail investors. Fred P. Lampropoulos is the largest individual Merit Medical Systems shareholder, owning 1.43M shares representing 2.41% of the company. Fred P. Lampropoulos's Merit Medical Systems shares are currently valued at $116.55M.

If you're new to stock investing, here's how to buy Merit Medical Systems stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.