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Of the 16 tracked institutions holding MIRM, 8 have a 3-year clone track record — 8 of them beat the S&P. Average holder's clone alpha: +5.8pt. It's a gauge of who owns the name, not just how many.
Among the 16 tracked institutional investors we monitor, MIRM (MIRUM PHARMACEUTICALS INC) is held with a combined value of $1.54B across 17,021,777 shares. The largest holder is BlackRock, Inc. with a position worth $355.34M. 3 funds opened new positions in the most recent quarter. 10 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$1.54B
Total Shares Held
17,021,777
Institutional Holders
16
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $355.34M | 0.01% | +5.5% |
| 2 | VANGUARD GROUP INC | $205.07M | 0.00% | +2.0% |
| 3 | FMR LLC | $181.56M | 0.01% | +204.0% |
| 4 | STATE STREET CORP | $179.61M | 0.01% | -9.3% |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | $158.66M | 0.02% | +20.9% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | $123.31M | 0.02% | +7.8% |
| 7 | CITADEL ADVISORS LLC | $97.19M | 0.07% | +25.2% |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $53.77M | 0.08% | +32.6% |
| 9 | BAKER BROS. ADVISORS LP | $41.20M | 0.24% | New |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $34.64M | 0.05% | -19.8% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of MIRM with a position worth $355.34M, representing 0.01% of their portfolio. In total, 16 institutional investors hold MIRM with a combined value of $1.54B.
In the most recent quarter, 3 funds opened a new position in MIRM. Additionally, 10 increased their holdings and 3 reduced their positions.
Institutional investors hold $1.54B worth of MIRM stock across 16 positions. The largest institutional holder is BlackRock, Inc. with $355.34M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For MIRM, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their MIRM positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$113.03
2026-07-24
YTD
+44.8%
80% of 52-week range
