$MIRM is held by 14 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 2.15%, with an average of 0.30% of portfolio. Largest holder: Eventide Asset Management, LLC at 2.15%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.
MIRUM PHARMACEUTICALS INC
13F holders
299
Net 13F flow · Q
—
Insider buys · 90d
0
Insider net · 90d
—
Congress · 90d
0
Convergence
—
Institutional holders
Top 10 of 299 · Source: 13F-HR01
Heritage Investment Group, Inc.
—
—
02
Thomas H Lee Partners LP
—
—
03
TB Capital Gestao de Recursos Ltda.
—
—
04
Fir Tree Capital Management LP
—
—
05
State Street
—
—
06
Vida Ventures Advisors, LLC
—
—
07
Axa S.a.
—
—
08
Cheviot Value Management, LLC
—
—
09
Mason Capital Management LLC
—
—
10
Nomura Asset Management Co. Ltd.
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—
Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.
Smart Money · top-200 alpha cohort
14 holders · Q1 202601
Eventide Asset Management, LLC
2.15% NEW
α +22.5pts
02
Soleus Capital Management, L.P.
1.50% held
α +16.0pts
03
Erste Asset Management GmbH
0.17% NEW
α +33.4pts
04
Connor, Clark & Lunn Investment Management Ltd.
0.10% held
α +12.3pts
05
RiverPark Advisors, LLC
0.07% held
α +21.5pts
06
Caption Management, LLC
0.05% held
α +15.5pts
07
Voloridge Investment Management, LLC
0.04% held
α +15.5pts
08
ADAR1 Capital Management, LLC
0.03% held
α +74.0pts
09
Wellington Management Group LLP
0.02% held
α +10.5pts
10
WINTON GROUP Ltd
0.01% held
α +27.0pts
11
Citigroup Inc.
0.01% held
α +26.3pts
12
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.00% held
α +27.5pts
13
Level Financial Advisors
0.00% held
α +30.9pts
14
Nisa Investment Advisors, LLC
0.00% held
α +16.6pts
Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.
Insider activity · last 90 days
50 transactions · 10 filersTransaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.
Congress trades · last 90 days
No Congress trades
No STOCK Act filings reference $MIRM in the recent window.
Convergence · Pattern Engine ships in v1.1
30-day windowIn development
Convergence detection for $MIRM lands with the Pattern Engine.
Once the Pattern Engine ships, this section will surface every active convergence event involving $MIRM — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.
Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 08:18 UTC.