Merit Medical Systems, Inc. (MMSI) ownership: Top institutional holder: BlackRock, Inc. ($608.95M). Insider activity: Net Seller (0 buys, 20 sells). 2 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 8834315.00 | $608.95M | 2026-03-31 |
| VANGUARD GROUP INC | 6582018.00 | $580.14M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3523088.00 | $242.85M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2656163.00 | $183.09M | 2026-03-31 |
| STATE STREET CORP | 2360982.00 | $162.74M | 2026-03-31 |
| Conestoga Capital Advisors, LLC | 2167513.00 | $149.41M | 2026-03-31 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2115526.00 | $145.82M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 1508374.00 | $103.99M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-05 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.