Merit Medical Systems Inc
MMSI- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0000856982
In the last 90 days, Merit Medical Systems Inc insiders filed 0 open-market purchases and 2 sales; 405 institutions reported holding it in 13F filings for Q2 2026, worth $4.34B in total; Maverick Capital is the only superinvestor holding it.
Holders of 5% or more of MMSI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Merit Medical Systems Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.10%8.37M shares | – | Oct 17, 20251 filing | Oct 17, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
1 Schedule 13D or 13G filing on Merit Medical Systems Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 17, 20256:41 PM ET | BlackRock, Inc. | 13G/A | 14.10%8.37M shares | – | Sep 30, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Merit Medical Systems Inc shares.
No Form 144 notices for Merit Medical Systems Inc are on file.