Institutional Ownership
Mirum Pharmaceuticals Inc
CUSIP 604749101COMMIRMQ1 2026
13D / 13G Filings
53
Schedule 13D/13G on record
Beneficial Filers
14
Distinct reporting persons
Largest Stake
14.0%
Max % of class reported
Institutional Holders
301
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
53 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Janus Henderson Group PLC | 13G/A | 11.8% | 6.07M | SEC |
| 2 | Feb 13, 2026 | Eventide Asset Management, LLC | 13G/A | 4.1% | — | SEC |
| 3 | Jan 27, 2026 | Frazier Life Sciences Ix, L.P. | 13D/A | 6.8% | — | SEC |
| 4 | Dec 5, 2025 | Janus Henderson Group PLC | 13G/A | 10.6% | 5.45M | SEC |
| 5 | Nov 14, 2025 | Janus Henderson Group PLC | 13G/A | 10.0% | 5.00M | SEC |
| 6 | Nov 14, 2025 | Biotechnology Value Fund L P | 13G/A | 3.0% | 1.50M | SEC |
| 7 | Nov 4, 2025 | Frazier Life Sciences Ix, L.P. | 13D/A | 7.6% | — | SEC |
| 8 | Aug 20, 2025 | Frazier Life Sciences Ix, L.P. | 13D/A | 7.6% | — | SEC |
| 9 | Aug 14, 2025 | Janus Henderson Group PLC | 13G/A | 10.6% | 5.24M | SEC |
| 10 | Jun 6, 2025 | Janus Henderson Group PLC | 13G/A | 10.3% | 5.08M | SEC |
43 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Mirum Pharmaceuticals Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Frazier Life Sciences Management, L.P. | 7.68M | $709.45M |
| 2 | Janus Henderson Group PLC | 6.95M | $641.76M |
| 3 | Blackrock, Inc. | 3.85M | $355.34M |
| 4 | Fmr LLC | 1.97M | $181.56M |
| 5 | State Street Corp | 1.94M | $179.61M |
| 6 | Bvf Inc/Il | 1.58M | $146.40M |
| 7 | Eventide Asset Management, LLC | 1.41M | $130.11M |
| 8 | Wellington Management Group LLP | 1.33M | $123.31M |
| 9 | Novo Holdings A/S | 1.32M | $122.40M |
| 10 | Geode Capital Management, LLC | 1.26M | $116.42M |