Merit Medical Systems
MMSI · NASDAQ
$91.18+$1.22 (+1.36%)TodayMarket closed ·
Prev close $89.96
Who owns MMSI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 43.7% of MMSI’s shares.
- BlackRock Institutional Trust Company, N.A.14.1%
- Vanguard Portfolio Management, LLC5.8%
- Vanguard Capital Management, LLC4.3%
- State Street Investment Management (US)4.1%
- Next 6 largest institutions15.3%
- All other shareholders56.3%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 8.39M | 14.07% |
| Vanguard Portfolio Management, LLC | 3.47M | 5.82% |
| Vanguard Capital Management, LLC | 2.59M | 4.34% |
| State Street Investment Management (US) | 2.47M | 4.15% |
| Conestoga Capital Advisors, LLC | 1.98M | 3.32% |
| Geode Capital Management, L.L.C. | 1.63M | 2.73% |
| Fuller & Thaler Asset Management Inc. | 1.61M | 2.70% |
| Dimensional Fund Advisors, L.P. | 1.46M | 2.45% |
| Nomura Investment Management Business Trust | 1.28M | 2.14% |
| Congress Asset Management Company, LLP | 1.18M | 1.99% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.64M | 6.09% |
| Vanguard Total Stock Market Index Fund | 1.81M | 3.04% |
| iShares Russell 2000 ETF | 1.55M | 2.60% |
| Vanguard Small-Cap Index Fund | 1.30M | 2.18% |
| Fuller & Thaler Behavioral Small-Cap Equity Fund | 1.28M | 2.15% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $573.29K (5 trades) and sold $2.81M (3 trades) of MMSI on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Lewis Sheri | Award | 8.37K | — |
| Peterson Neil W. | Sale | 7.50K | $678.36K |
| Voigt Michel J. | Gift | 650 | — |
| Peterson Neil W. | Sale | 21.45K | $1.82M |
| Lloyd Brian G. | Gift | 2.00K | — |
| Gunderson Thomas J. | Option exercise | 7.50K | — |
| Gunderson Thomas J. | Option exercise | 13.75K | — |
| Gunderson Thomas J. | Option exercise | 7.50K | $391.27K |
| Gunderson Thomas J. | Option exercise | 13.75K | $717.34K |
| Perez Silvia M. | Award | 3.46K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.63M
- Days to cover
- 6.24
- % of shares outstanding
- 6.09%
- Average daily volume
- 581.92K
- Change since last report
- −7.7%
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