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
$96.72
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity2 increased11 reduced7 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, FARALLON CAPITAL 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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