§ BIOTECHNOLOGY
USD · BiotechnologyMIRM
MIRUM PHARMACEUTICALS INC
USDSector · BiotechnologyBeta · 0.54
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
197 increased/new, 105 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/B | 12.97 | EPS (TTM) | -0.48 |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 7.7M | 18.3% | +13% |
| JANUS HENDERSON GROUP PLC | 6.9M | n/a | +15% |
| BlackRock, Inc. | 3.8M | 0.0% | +6% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | n/a | n/a |
| Fidelity Management | 2.0M | 0.0% | +204% |
| State Street | 1.9M | 0.0% | −9% |
◇ AC INTELLIGENCE
Top institutional owners for MIRM as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER98.7% · 0 holders
OTHER0.7% · 222 holders
QUALITY / COMPOUNDER0.4% · 26 holders
DEALER / BANK0.1% · 28 holders
PASSIVE / INDEX0.1% · 9 holders
TACTICAL / MACRO0.0% · 4 holders
SYSTEMATIC / QUANT0.0% · 8 holders
INCOME / DEFENSIVE0.0% · 14 holders
ACTIVIST0.0% · 1 holder
GROWTH / MOMENTUM0.0% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for MIRM in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention MIRM yet.