Merit Medical Systems Inc (MMSI) Institutional Ownership

Ownership Summary

Merit Medical Systems Inc (NASDAQ:MMSI) appears in 378 institutional 13F filings for the quarter ending December 2025.

• Collectively, these holders controlled 106.1% of Merit Medical Systems's outstanding shares in December 2025, down from 162.8% in September 2025.
• Their total shares held in MMSI increased 7.74% quarter over quarter, and separately, investors owning Merit Medical Systems decreased 0.53% from a year ago.
• Among the 378 funds, 234 bought more Merit Medical Systems shares, 111 sold down, and 33 held their ground.
• Institutional investors collectively held 63.54Mn shares in Merit Medical Systems as of December 2025, up by 4.57Mn shares quarter on quarter, and down 1.42Mn shares year over year.
• BlackRock, Inc. is the top holder of Merit Medical Systems as of December 31, 2025, with 8.83Mn shares representing 14.74% of outstanding stock.
• Leading buyers of Merit Medical Systems shares for the quarter ending December 2025 were VANGUARD PORTFOLIO MANAGEMENT LLC (3.52Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.66Mn), PRICE T ROWE ASSOCIATES INC /MD/ (654.97K), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (447.45K), MARSHALL WACE, LLP (427.92K).
• The biggest sellers of Merit Medical Systems for the quarter ending December 2025 included FULLER & THALER ASSET MANAGEMENT, INC. (2.04Mn), Goldman Sachs Group Inc (1.25Mn), WELLINGTON MANAGEMENT GROUP LLP (1.02Mn), FMR LLC (766.64K), THRIVENT FINANCIAL FOR LUTHERANS (683.97K).
• Business Quant data shows the 10 biggest positions in Merit Medical Systems as of December 2025 are held by BlackRock, Inc. (8.83Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.52Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.66Mn), State Street Corp (2.36Mn), Conestoga Capital Advisors, LLC (2.17Mn), FULLER & THALER ASSET MANAGEMENT, INC. (2.12Mn), GEODE CAPITAL MANAGEMENT, LLC (1.51Mn), Morgan Stanley (1.26Mn), DIMENSIONAL FUND ADVISORS LP (1.24Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (1.2Mn).