MIRUM PHARMACEUTICALS INC

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MIRM·604749101·US·equity·Healthcare - Biotechnology-Activist

MIRM (MIRUM PHARMACEUTICALS INC) is held by 156 institutional investors as of Q1 2026. Largest holders: JANUS HENDERSON GROUP PLC ($641.8M), BlackRock, Inc. ($355.3M), FMR LLC ($181.6M). Net institutional sentiment: Mixed.

156

Holders

Avg rating(9 Elite)

$3.6B

Total Value

62% (166)

Fund Consensus

97 buying - 60 selling

Smart Money Verdict

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48Weak MomentumSplit Signals

Institutional (13F)67

Insider (Form 4)16

Activist (13D/13G)50

Congressional (STOCK Act)

No data

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See how MIRM's score breaks down across 4 SEC sources

Holder Quality

9

★★★★★

Elite

51

★★★★

Strong

45

★★★

Solid

46

★★

Below

14

★

Weak

Held by 156 funds

9 elite

Who's Trading

InsiderRSRamasastry SairaSell $219KMay 15, 2026

ActivistBlackRock, Inc.5.7%Apr 27, 2026

InsiderRSRamasastry SairaSell $194KApr 15, 2026

ActivistThe Vanguard Group0.0%Mar 27, 2026

InsiderPCPeetz ChristopherSell $3.8MMar 16, 2026

InsiderBEBJERKHOLT ERICSell $670KMar 16, 2026

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13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (156)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
JANUS HENDERSON GROUP PLC	Increased	6.9M(+14.5%)	$641.8M	0.3%	+118.85%	43
BlackRock, Inc.	Increased	3.8M(+5.5%)	$355.3M	0.0%	+127.78%	33
FMR LLC	Increased	2M(+204.0%)	$181.6M	0.0%	+24.47%	49
STATE STREET CORP	Decreased	1.9M(-9.3%)	$179.6M	0.0%	+109.73%	0
WELLINGTON MANAGEMENT GROUP LLP	Increased	1.3M(+7.8%)	$123.3M	0.0%	+41.34%	33
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.3M(+18.5%)	$116.4M	0.0%	+159.01%	35
CITADEL ADVISORS LLC	Increased	1.1M(+25.2%)	$97.2M	0.0%	+170.93%	37
BNP PARIBAS FINANCIAL MARKETS	Increased	911,419(+39.0%)	$84.2M	0.0%	+65.12%	39
TWO SIGMA INVESTMENTS, LP	Increased	774,841(+99.4%)	$71.6M	0.1%	+40.95%	48
Capital World Investors	New	724,415	$66.9M	0.0%	+16.38%	41
BANK OF AMERICA CORP /DE/	Increased	722,177(+1.2%)	$66.7M	0.0%	+73.81%	30
FRANKLIN RESOURCES INC	Increased	714,804(+9.8%)	$66M	0.0%	+196.16%	33
Clearbridge Investments, LLC	Decreased	671,870(-22.4%)	$62.1M	0.1%	+188.01%	0
GOLDMAN SACHS GROUP INC	Decreased	662,306(-8.6%)	$61.2M	0.0%	+76.65%	0
Bank of New York Mellon Corp	Increased	584,523(+3.4%)	$54M	0.0%	+94.84%	30
RENAISSANCE TECHNOLOGIES LLC	Increased	582,085(+32.6%)	$53.8M	0.1%	+66.10%	38
Woodline Partners LP	Unchanged	567,894	$52.5M	0.2%	+183.78%	0
BALYASNY ASSET MANAGEMENT L.P.	Increased	539,031(+88.6%)	$49.8M	0.1%	+27.93%	46
MORGAN STANLEY	Increased	524,566(+23.2%)	$48.5M	0.0%	+102.94%	35
FEDERATED HERMES, INC.	Increased	506,211(+5.0%)	$46.8M	0.1%	+80.04%	31

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Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer