Merit Medical Systems Ownership | Who Owns Merit Medical Systems?
Merit Medical Systems Ownership Summary
Merit Medical Systems is owned by 28.53% institutional investors, 2.32% insiders, and 69.15% retail investors. Tudor investment corp et al is the largest institutional shareholder, holding 59.18% of MMSI shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.93% of its assets in Merit Medical Systems shares.
MMSI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Merit Medical Systems | 28.53% | 2.32% | 69.15% |
| Sector | Healthcare Stocks | 42.54% | 10.83% | 46.63% |
| Industry | Medical Instruments & Supplies Stocks | 40.77% | 13.85% | 45.38% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Tudor investment corp et al | 35.00M | 59.18% | $40.86M |
| Blackrock | 8.91M | 15.33% | $766.15M |
| Blackrock funding, inc. /de | 8.70M | 14.71% | $724.13M |
| Vanguard group | 6.64M | 11.23% | $552.93M |
| State street | 2.20M | 3.72% | $182.99M |
| Conestoga capital advisors | 2.19M | 3.70% | $181.88M |
| Fuller & thaler asset management | 1.84M | 3.12% | $153.40M |
| Fmr | 1.62M | 2.74% | $134.90M |
| Maverick capital | 1.61M | 2.72% | $134.02M |
| Geode capital management | 1.45M | 2.46% | $120.86M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Conestoga capital advisors | 2.19M | 2.92% | $181.88M |
| Greenhouse funds lllp | 871.93K | 2.65% | $72.57M |
| Maverick capital | 1.61M | 1.79% | $134.02M |
| Aristotle capital boston | 416.72K | 1.79% | $34.68M |
| Ranger investment management | 204.22K | 1.19% | $17.00M |
| Arrowmark colorado | 622.12K | 0.96% | $51.78M |
| Riverwater partners | 24.73K | 0.85% | $2.06M |
| Mesirow institutional investment management | 113.44K | 0.84% | $10.97M |
| Emerald advisers | 280.62K | 0.75% | $23.36M |
| Oberweis asset management inc/ | 232.01K | 0.74% | $19.31M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Tudor investment corp et al | 35.00M | 0.07% | 35.00M |
| Wellington management group llp | 1.24M | 0.02% | 980.82K |
| Norges bank | 688.98K | 0.01% | 688.98K |
| Thrivent financial for lutherans | 750.07K | 0.12% | 536.07K |
| Greenhouse funds lllp | 871.93K | 2.65% | 284.01K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 1.62M | 0.01% | -920.38K |
| Invesco | 714.36K | 0.01% | -867.65K |
| Channing capital management | - | - | -681.79K |
| Blackrock | 8.91M | 0.02% | -592.94K |
| Iron triangle partners lp | - | - | -392.78K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Tudor investment corp et al | 35.00M | 0.07% | 35.00M | $40.86M |
| Norges bank | 688.98K | 0.01% | 688.98K | $66.64M |
| Man group | 69.75K | 0.01% | 69.75K | $5.80M |
| Voloridge investment management | 66.85K | 0.02% | 66.85K | $5.56M |
| Glazer capital | 53.70K | 0.15% | 53.70K | $4.47M |
Sold Out
| Holder | Change |
|---|---|
| Tortoise investment management | -1.00 |
| Total investment management | -1.00 |
| Tfo-tdc | -1.00 |
| Financial gravity asset management | -1.00 |
| Claris advisors, llc / mo / | -3.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 164 | -55.91% | 16,874,569 | -71.63% | 28 | 0.28% | 81 | -56.91% | 52 | -60.00% |
| Jun 30, 2025 | 374 | -0.80% | 62,555,841 | 0.03% | 105 | 0.94% | 185 | -2.12% | 134 | - |
| Mar 31, 2025 | 376 | -2.59% | 62,763,705 | 2.20% | 106 | 0.96% | 187 | -14.22% | 135 | 21.62% |
| Dec 31, 2024 | 353 | -6.86% | 57,050,514 | -3.50% | 97 | 0.95% | 201 | -6.07% | 98 | -10.91% |
| Sep 30, 2024 | 375 | 16.10% | 59,005,796 | -2.73% | 101 | 0.93% | 212 | 23.26% | 109 | 7.92% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.51M | 5.93% | - |
| Vanguard Total Stock Mkt Idx Inv | 1.86M | 3.14% | -39.37K |
| Vanguard US Total Market Shares ETF | 1.75M | 2.97% | 1.33K |
| Vanguard Small Cap Index | 1.43M | 2.42% | -9.75K |
| iShares Russell 2000 ETF | 1.41M | 2.38% | - |
| Conestoga Small Cap Investors | 1.21M | 2.04% | - |
| FullerThaler Behavioral Small-Cap Equity | 1.10M | 1.85% | - |
| FullerThaler Behavioral Sm-Cp Eq R6 | 1.10M | 1.85% | - |
| Delaware Small Cap Core I | 889.12K | 1.53% | -123.02K |
| Vanguard Small Cap Growth Index Inv | 807.16K | 1.36% | -2.21K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 25, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | $880.38K |
| Nov 21, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | $2.18M |
| Nov 20, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | $1.70M |
| Nov 18, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | $424.13K |
| Aug 22, 2025 | Ward Lynne N. | - | Sell | $265.68K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 4 |
| 2025 Q3 | - | 2 |
| 2025 Q2 | - | 10 |
| 2025 Q1 | - | 11 |
| 2024 Q4 | - | 4 |
MMSI Ownership FAQ
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