Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Mirum Pharmaceuticals, Inc. in our court records and SEC 8-K records (as of 2026-10-18).
- Leadership changes: the latest reported is Rob Myers, Chief Medical Officer (Form 8-K filed 2026-09-08). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Janus Henderson Group LTD. (filed 2026-08-13).
Who is behind it
Mirum Pharmaceuticals, Inc.: incorporated in Delaware; business address in Foster City, California; industry Pharmaceutical Preparations (Form D, 2026-09-08).
Officers and directors, each with the role and the filing that names them:
- Christopher Peetz: Executive Officer, Director (Form D, 2026-01-29)
- Eric Bjerkholt: Executive Officer (Form D, 2026-01-29)
- Peter Radovich: Executive Officer (Form D, 2026-01-29)
- Laura Brege: Director (Form D, 2026-01-29)
- Timothy Walbert: Director (Form D, 2026-01-29)
- William C. Fairey: Director (Form D, 2026-01-29)
- Patrick Heron: Director (Form D, 2026-01-29)
- Lon Cardon: Director (Form D, 2026-01-29)
- Saira Ramasastry: Director (Form D, 2026-01-29)
- Laurent Fischer: Director (Form D, 2026-01-29)
- Michael Grey: Director (Form D, 2026-01-29)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-13 | Janus Henderson Group LTD. | 9.7% |
| Schedule 13G, 2026-08-06 | Fmr LLC | 6.2% |
| Schedule 13G/A, 2026-04-27 | Blackrock, Inc. | 5.7% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-17 | Janus Henderson Group PLC | 11.8% |
| Schedule 13G/A, 2026-02-13 | Eventide Asset Management, LLC | 4.1% |
| Schedule 13D/A, 2026-01-27 | Frazier Life Sciences Ix, L.P. | 6.8% |
| Schedule 13G/A, 2025-12-05 | Janus Henderson Group PLC | 10.6% |
| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-09-08 | Rob Myers | Chief Medical Officer | appointed | |
| Form 8-K, 2026-09-08 | Joanne Quan | Chief Medical Officer | departed | 2026-09-02 |
Money raised
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2026-01-29 | $68.48M | $68.48M |
Acquisitions reported on Form 8-K, Item 2.01: acquired Bluejay Therapeutics, Inc. (2026-01-26).
Related pages
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Cite this page
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https://mentionfox.com/who-owns/mirum-pharamaceuticalsLast updated 2026-10-18
Who owns Mirum Pharmaceuticals, Inc.? Owners, funding and legal record. MentionFox, 2026-10-18. https://mentionfox.com/who-owns/mirum-pharamaceuticals