MMSI
Merit Medical Systems, Inc. · Healthcare · Medical - Instruments & Supplies
Momentum inputs (comparable managers):
holder breadth +5.0% ·
share flow -3.5% ·
net new positions 0.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 117 | +2 | 41.13M | $2.85B | +12 | −11 |
| Q1 2026 | 119 | +2 | 38.80M | $2.68B | +10 | −9 |
| Q4 2025 | 117 | -1 | 45.00M | $3.97B | +2 | −2 |
| Q3 2025 | 21 | +1 | 28.60M | $2.38B | +1 | −1 |
| Q2 2025 | 18 | 0 | 26.61M | $2.49B | +1 | −1 |
| Q1 2025 | 15 | -1 | 7.60M | $802.99M | +1 | −2 |
| Q4 2024 | 16 | 0 | 7.36M | $712.26M | +2 | −2 |
| Q3 2024 | 15 | +1 | 4.73M | $467.42M | +1 | — |
| Q2 2024 | 14 | — | 5.63M | $483.63M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 8.70M | -0.2% | $724.13M | 0.0% | ▼ Trim | 2 | SEC ↗ ×15 |
| 2 | The Vanguard Group ✦ (passive) | 6.64M | -2.7% | $552.93M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 2.20M | -0.9% | $182.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | JPMorgan Chase ✦ | 1.83M | — | $152.66M | 0.0% | n/c | 1 | SEC ↗ ×12 |
| 5 | Fidelity (FMR) ✦ | 1.62M | -36.2% | $134.90M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 6 | Geode Capital Management ✦ (passive) | 1.45M | +1.0% | $120.86M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 7 | Wellington Management ✦ | 1.24M | +377.7% | $103.25M | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 8 | Citadel Advisors ✦ | 1.18M | -12.8% | $97.95M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 9 | Morgan Stanley ✦ | 969.87K | — | $80.72M | 0.0% | n/c | 1 | SEC ↗ ×13 |
| 10 | Goldman Sachs Group ✦ | 789.36K | — | $65.70M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 11 | T. Rowe Price ✦ | 640.85K | -12.5% | $53.34M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 12 | Two Sigma Investments ✦ | 341.78K | -49.2% | $28.45M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 13 | Fisher Asset Management ✦ | 221.61K | +2.9% | $18.44M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 192.99K | -34.4% | $16.06M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 15 | Adage Capital Partners ✦ | 176.16K | +15.3% | $14.66M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 16 | Capital World Investors ✦ | 171.96K | +43.3% | $14.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | Millennium Management ✦ | 89.63K | -70.7% | $7.46M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 18 | Renaissance Technologies ✦ | 74.91K | -56.2% | $6.23M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 19 | Marshall Wace ✦ | 32.17K | New | $2.68M | 0.0% | New | 1 | SEC ↗ ×2 |
| 20 | AQR Capital Management ✦ | 20.93K | +47.8% | $1.74M | 0.0% | ▲ Add | 6 | SEC ↗ ×4 |
| 21 | Gotham Asset Management ✦ | 13.01K | +160.8% | $1.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $2.68M | 0.0% |
Exited
| Norges Bank | $53.70M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 398 holders, 58.87M shares, $3.96B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 7.50K sh · $678,360
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology