Mirum Pharmaceuticals (MIRM)
Commercializes rare-disease medicines while building a broader liver and genetic-disease pipeline.
$88.04
vs last close−3.35 (−3.66%)
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13F · 13D/G · Form 4
| Institutions | 110.70% | 71.88M shares | |
|---|---|---|---|
| 338 holders · as of Jun 30, 2026 | |||
| Insiders | 8.18% | 5.31M shares | |
| 14 holders · as of Sep 22, 2026 | |||
| Adds to | 118.88% | ||
64.93M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
These groups come from separate filings that can overlap, so they add to 118.88%; nothing is left for Other.
13F, as of Jun 30, 2026
338 holders · 71.88M shares · 64 new positions · 193 increased · 101 reduced · 44 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 7.68M | 11.83% | 0 | Aug 14, 2026 |
| Jupiter Topco LLC | 5.91M | 9.10% | +5.91Mnew | Aug 14, 2026 |
| BlackRock, Inc. | 4.39M | 6.76% | +543.5K | Aug 7, 2026 |
| FMR LLC | 3.67M | 5.65% | +1.70M | Aug 13, 2026 |
| Price T Rowe Associates Inc /MD/ | 2.66M | 4.09% | +938.2K | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 2.38M | 3.66% | +944.9K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 2.25M | 3.47% | −160.7K | Aug 13, 2026 |
| State Street Corp | 2.17M | 3.34% | +226.4K | Aug 7, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Janus Henderson Group PLC | 14.30% | 22.74M | 13G | May 14, 2025 |
| Patrick J. Heronincl. Fhmls Xii, L.P., Frazier Life Sciences XII, L.P. +14 more | 6.80% | 4.11M | 13D | Jan 27, 2026 |
| BlackRock, Inc. | 5.70% | 3.47M | 13G | Apr 27, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 14, 2026 | Eric Bjerkholtofficer: CHIEF FINANCIAL OFFICER | Sale | 9,943 | $98.37 | 44,745 |
| Sep 1, 2026 | Christopher Peetzdirector, officer: CHIEF EXECUTIVE OFFICER | Sale · 2 lots | 30,000 | $98.68 | 194,440 |
| Sep 2, 2026 | Jolanda Howeofficer: SVP, GLOBAL CONTROLLER | Sale | 658 | $100.00 | 616 |
| Aug 18, 2026 | Jolanda Howeofficer: SVP, GLOBAL CONTROLLER | Sale | 40,000 | $100.00 | 1,274 |
| Aug 11, 2026 | Eric Bjerkholtofficer: CHIEF FINANCIAL OFFICER | Sale | 6,001 | $99.90 | 36,355 |
| Aug 10, 2026 | Christopher Peetzdirector, officer: CHIEF EXECUTIVE OFFICER | Sale · 3 lots | 20,000 | $98.92 | 194,309 |
| Aug 3, 2026 | Jolanda Howeofficer: SVP, GLOBAL CONTROLLER | Sale | 1,840 | $105.29 | 1,274 |
| Jul 6, 2026 | Eric Bjerkholtofficer: CHIEF FINANCIAL OFFICER | Sale · 4 lots | 5,000 | $122.25 | 42,181 |
| Jul 6, 2026 | Christopher Peetzdirector, officer: CHIEF EXECUTIVE OFFICER | Sale · 4 lots | 20,000 | $122.27 | 194,309 |
| Jul 1, 2026 | Jolanda Howeofficer: SVP, GLOBAL CONTROLLER | Sale | 2,721 | $120.00 | 3,114 |
House and Senate disclosures
Not reported.