Stock Ownership/MIRM

MIRUM PHARMACEUTICALS INC (MIRM): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MIRM · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
15
13F filers
Aggregate Value
$457.5M
Across holders
Last Price
$81.35
2026-10-08
Sector
Health Care
GICS
Quarterly fund activity2 increased11 reduced6 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, Point72 Asset Management, L.P., Hudson Bay Capital Management LP, CITADEL ADVISORS LLC, MARSHALL WACE, LLP, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Institutional Holders of MIRM
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund690K$80.8M17.7%0.1%Reduced$-9.9MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund640K$74.9M16.4%0.1%Reduced$-3.8MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund568K$66.5M14.5%0.2%Unchanged+$0Q2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund489K$57.3M12.5%0.1%Reduced$-5.8MQ2 2026
BAKER BROS. ADVISORS LP
CIK 0001263508
Hedge Fund446K$52.2M11.4%0.3%Unchanged+$0Q2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund442K$51.8M11.3%0.1%Reduced$-16.4MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund350K$41.0M9.0%0.1%Reduced$-2.9MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund96K$11.3M2.5%0.0%Reduced$-31.9MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager82K$9.7M2.1%0.0%Reduced$-1.2MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund37K$4.4M1.0%0.0%Added—Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$80.8M· 17.7% of total· 0.1% port· 690K sh· $-9.9M QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$74.9M· 16.4% of total· 0.1% port· 640K sh· $-3.8M QoQ· Q2 2026
Woodline Partners LPUnchanged
Hedge Fund
$66.5M· 14.5% of total· 0.2% port· 568K sh· +$0 QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$57.3M· 12.5% of total· 0.1% port· 489K sh· $-5.8M QoQ· Q2 2026
BAKER BROS. ADVISORS LPUnchanged
Hedge Fund
$52.2M· 11.4% of total· 0.3% port· 446K sh· +$0 QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$51.8M· 11.3% of total· 0.1% port· 442K sh· $-16.4M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$41.0M· 9.0% of total· 0.1% port· 350K sh· $-2.9M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$11.3M· 2.5% of total· 0.0% port· 96K sh· $-31.9M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$9.7M· 2.1% of total· 0.0% port· 82K sh· $-1.2M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$4.4M· 1.0% of total· 0.0% port· 37K sh· — QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$3.4M· 0.7% of total· 0.0% port· 29K sh· +$3.4M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$3.3M· 0.7% of total· 0.0% port· 28K sh· $-7.2M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$572K· 0.1% of total· 0.0% port· 5K sh· +$2K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$339K· 0.1% of total· 0.0% port· 3K sh· $-6.9M QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$279K· 0.1% of total· 0.0% port· 2K sh· $-89K QoQ· Q2 2026
1–10 of 15
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