Merit Medical SystemsMMSI
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 378 institutions reported holding Merit Medical Systems Inc. (MMSI) in their 13F filings, down 1 from Q2 2025. 48 opened new positions and 43 sold out. The largest holders were BlackRock, Inc. ($724.1M), Vanguard Group Inc. ($552.9M) and State Street Corp. ($183.0M). 8 famous investors held it, including Lee Ainslie (1.8% of Maverick Capital's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Merit Medical Systems Inc.
- CUSIP
- 589889104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 48 | $40.0M |
| Exits | 43 | $106.2M |
All 13F filers, Q2 2025 → Q3 2025: 5,068,770 shares bought and 6,511,053 shares sold, net −1,442,283 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 378 holders
| BlackRock, Inc. | 0.01% | Reduce -0.2% | 8,700,335 | $724.1M |
| Vanguard Group Inc. | 0.01% | Reduce -2.7% | 6,643,438 | $552.9M |
| State Street Corp. | 0.01% | Reduce -0.9% | 2,198,589 | $183.0M |
| Conestoga Capital Advisors, LLC | 2.92% | Reduce -1.2% | 2,185,265 | $181.9M |
| Fuller & Thaler Asset Management, Inc. | 0.52% | Add +1.3% | 1,843,114 | $153.4M |
| FMR LLC | 0.01% | Reduce -36.2% | 1,620,839 | $134.9M |
| Maverick Capital | 1.79% | Add +16.7% | 1,610,214 | $134.0M |
| Geode Capital Management, LLC | 0.01% | Add +1.0% | 1,451,951 | $120.9M |
| Macquarie Group Ltd. | 0.13% | Reduce -8.6% | 1,331,579 | $110.8M |
| Wellington Management Group LLP | 0.02% | Add +377.7% | 1,240,509 | $103.2M |
| Dimensional Fund Advisors LP | 0.02% | Add +6.2% | 1,177,862 | $98.0M |
| Citadel Advisors | 0.08% | Reduce -12.8% | 1,176,801 | $97.9M |
| Royal Bank of Canada | 0.02% | Reduce -3.4% | 1,027,383 | $85.5M |
| Morgan Stanley | 0.00% | Reduce -3.3% | 969,873 | $80.7M |
| JPMorgan Chase & Co. | 0.00% | Add +7.6% | 917,122 | $76.3M |
| Westwood Holdings Group Inc. | 0.53% | Add +14.2% | 878,398 | $73.1M |
| Greenhouse Funds LLLP | 2.82% | Add +48.3% | 871,927 | $72.6M |
| William Blair Investment Management, LLC | 0.19% | Add +16.8% | 863,996 | $71.9M |
| Franklin Resources Inc. | 0.02% | Reduce -4.9% | 841,334 | $70.0M |
| Goldman Sachs Group Inc. | 0.01% | Add +4.3% | 789,356 | $65.7M |
| Thrivent Financial for Lutherans | 0.13% | Add +250.5% | 750,066 | $62.4M |
| Invesco Ltd. | 0.01% | Reduce -54.8% | 714,358 | $59.5M |
| Northern Trust Corp. | 0.01% | Reduce -1.3% | 711,017 | $59.2M |
| Congress Asset Management Co. | 0.37% | Add +6.0% | 672,901 | $56.0M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -4.3% | 667,398 | $55.5M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -12.5% | 640,847 | $53.3M |
| Bank of America Corp. | 0.00% | Add +2.0% | 630,522 | $52.5M |
| ArrowMark Colorado Holdings LLC | 0.96% | Reduce -4.3% | 622,116 | $51.8M |
| Raymond James Financial Inc. | 0.02% | Add +1.4% | 566,826 | $47.2M |
| Rockefeller Capital Management L.P. | 0.09% | Add +12.9% | 562,638 | $46.8M |
| Aberdeen Group plc | 0.07% | Reduce -9.4% | 518,663 | $43.2M |
| Voya Investment Management LLC | 0.05% | Add +57.9% | 489,504 | $40.7M |
| Wells Fargo & Company | 0.01% | Add +17.4% | 460,244 | $38.3M |
| Loomis Sayles & Co. L P | 0.04% | Reduce -43.6% | 447,381 | $37.2M |
| Nuveen, LLC | 0.01% | Reduce -1.8% | 426,984 | $35.5M |
| Two Sigma Advisers, LP | 0.07% | Reduce -42.8% | 416,800 | $34.7M |
| Aristotle Capital Boston, LLC | 1.79% | Reduce -1.6% | 416,723 | $34.7M |
| Bank of New York Mellon Corp | 0.01% | Reduce -3.4% | 413,762 | $34.4M |
| Nomura Holdings Inc. | 0.17% | Add +195.1% | 407,991 | $34.0M |
| UBS Group AG | 0.01% | Reduce -14.8% | 357,851 | $29.8M |
| Two Sigma Investments, LP | 0.05% | Reduce -49.2% | 341,779 | $28.4M |
| Manufacturers Life Insurance Company, The | 0.02% | Reduce -0.9% | 323,227 | $26.9M |
| Handelsbanken Fonder AB | 0.09% | Add +42.0% | 321,309 | $26.7M |
| Principal Financial Group Inc. | 0.01% | Reduce -2.5% | 317,118 | $26.4M |
| Walleye Capital LLC | 0.24% | Add +340.5% | 315,635 | $26.3M |
| Ameriprise Financial Inc. | 0.01% | Reduce -42.5% | 313,960 | $26.1M |
| Fort Washington Investment Advisors Inc. | 0.14% | Add +69.7% | 301,718 | $25.1M |
| Emerald Advisers, LLC | 0.75% | Reduce -3.8% | 280,622 | $23.4M |
| Envestnet Asset Management Inc. | 0.01% | Add +10.3% | 269,189 | $22.4M |
| Tidal Investments LLC | 0.10% | Reduce -1.1% | 269,044 | $22.4M |
| Oberweis Asset Management Inc./ | 0.74% | Add +9.0% | 232,010 | $19.3M |
| Public Sector Pension Investment Board | 0.07% | Add +14.6% | 230,947 | $19.2M |
| Comerica Bank | 0.07% | Reduce -1.9% | 222,675 | $18.5M |
| Fisher Asset Management | 0.01% | Add +2.9% | 221,609 | $18.4M |
| Frontier Capital Management Co. LLC | 0.16% | Add +4.1% | 219,505 | $18.3M |
| Ranger Investment Management, L.P. | 1.19% | Reduce -2.9% | 204,220 | $17.0M |
| Bessemer Group Inc. | 0.03% | Add +160206.3% | 203,589 | $16.9M |
| D. E. Shaw & Co. | 0.01% | Reduce -34.4% | 192,987 | $16.1M |
| Legal & General Group Plc | 0.00% | Reduce -5.0% | 179,284 | $14.9M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Add +15.3% | 176,162 | $14.7M |
| Capital World Investors | 0.00% | Add +43.3% | 171,960 | $14.3M |
| Emerald Mutual Fund Advisers Trust | 0.71% | Reduce -5.7% | 165,730 | $13.8M |
| Rhumbline Advisers | 0.01% | Reduce -1.2% | 165,691 | $13.8M |
| Curi Capital, LLC | 0.24% | Add +7.5% | 159,632 | $13.3M |
| EULAV Asset Management | 0.31% | Add +35.0% | 158,000 | $13.2M |
| Axiom Investors LLC | 0.10% | Add +4.0% | 155,740 | $13.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -51.1% | 148,019 | $12.3M |
| Sei Investments Co. | 0.01% | Reduce -11.7% | 146,263 | $12.2M |
| California Public Employees Retirement System | 0.01% | Reduce -21.4% | 116,776 | $9.7M |
| Swiss National Bank | 0.01% | Add +1.4% | 114,500 | $9.5M |
| Amundi | 0.00% | Reduce -5.4% | 108,005 | $9.0M |
| Trillium Asset Management, LLC | 0.23% | Reduce -1.9% | 104,550 | $8.7M |
| Impax Asset Management Group plc | 0.05% | No change | 100,000 | $8.3M |
| Osaic Holdings, Inc. | 0.01% | Add +758.2% | 99,751 | $8.3M |
| Renaissance Group LLC | 0.31% | Add +50.0% | 99,378 | $8.3M |
| Verition Fund Management LLC | 0.05% | Add +376.7% | 99,150 | $8.3M |
| Barclays PLC | 0.00% | Reduce -16.4% | 95,372 | $7.9M |
| Millennium Management | 0.01% | Reduce -70.7% | 89,631 | $7.5M |
| American Capital Management Inc. | 0.29% | Reduce -0.0% | 87,079 | $7.2M |
| Wilmington Savings Fund Society, FSB | 0.17% | Reduce -2.9% | 85,304 | $7.1M |
| State of Wisconsin Investment Board | 0.02% | Add +0.1% | 80,914 | $6.7M |
| Deutsche Bank AG | 0.00% | Add +7.4% | 79,213 | $6.6M |
| Jane Street Group, LLC | 0.01% | Reduce -28.8% | 79,122 | $6.6M |
| Balyasny Asset Management L.P. | 0.01% | Add +271.1% | 76,610 | $6.4M |
| Renaissance Technologies | 0.01% | Reduce -56.2% | 74,912 | $6.2M |
| Alliancebernstein L.P. | 0.00% | Reduce -1.5% | 73,397 | $6.1M |
| New York State Teachers Retirement System | 0.01% | No change | 72,812 | $6.1M |
| Public Employees Retirement System of Ohio | 0.02% | Add +7.3% | 70,940 | $5.9M |
| Man Group plc | 0.01% | New | 69,745 | $5.8M |
| F/m Investments LLC | 0.22% | Reduce -5.2% | 68,713 | $5.7M |
| Voloridge Investment Management, LLC | 0.02% | New | 66,847 | $5.6M |
| Natixis | 0.03% | Add +474185.7% | 66,400 | $5.5M |
| King Luther Capital Management Corp. | 0.02% | No change | 65,529 | $5.5M |
| Natixis Advisors, LLC | 0.01% | Reduce -3.8% | 65,149 | $5.4M |
| Victory Capital Management Inc. | 0.00% | Reduce -47.6% | 63,590 | $5.3M |
| LPL Financial LLC | 0.00% | Reduce -7.7% | 59,789 | $5.0M |
| Prudential Financial Inc. | 0.01% | Reduce -3.2% | 59,331 | $4.9M |
| Russell Investments Group, Ltd. | 0.01% | Add +10.3% | 55,939 | $4.7M |
| Panagora Asset Management Inc. | 0.02% | Reduce -45.1% | 55,042 | $4.6M |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 53,819 | $4.5M |
"% of holder's portfolio" is MMSI's weight in each manager's 13F, not the share of Merit Medical Systems Inc. the manager owns.