MIRUM PHARMACEUTICALS INC

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MIRM·604749101·US·Common Stock·Healthcare - Biotechnology-Activist

MIRM (MIRUM PHARMACEUTICALS INC) is held by 160 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($513.9M), FMR LLC ($429.7M), VANGUARD PORTFOLIO MANAGEMENT LLC ($278.3M). Net institutional sentiment: Mixed.

160

Holders

(12 Elite)

$4.8B

Total Value

54% (169)

Consensus

91 buying - 78 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)53

Insider (Form 4)28

Activist (13D/13G)79

Congressional (STOCK Act)34

Holder Quality

50

★★★★★

Elite

60

★★★★

Strong

58

★★★

Solid

16

★★

Below

45

★

Weak

Held by 160 funds

12 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Aug 19, 2026 · Activists Aug 13, 2026 · Congress none

InsiderHJHowe JolandaSell $4.0MAug 18, 2026

InsiderHJHowe JolandaExercise 40K shAug 18, 2026

ActivistJANUS HENDERSON GROUP Ltd.9.7%Aug 13, 2026

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Top Holders

Top Holders (160)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	4.4M(+14.1%)	$513.9M	0.0%	+83.10%	36
FMR LLC	Increased	3.7M(+86.8%)	$429.7M	0.0%	+0.17%	49
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	2.4M(+66.0%)	$278.3M	0.0%	-0.93%	45
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	2.3M(-6.7%)	$263.9M	0.0%	+12.20%	0
STATE STREET CORP	Increased	2.2M(+11.6%)	$254.1M	0.0%	+76.39%	34
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	Increased	1.4M(+318.5%)	$164.5M	0.5%	-7.59%	59
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.4M(+10.6%)	$163.2M	0.0%	+108.65%	34
Invesco Ltd.	Increased	1.4M(+378.2%)	$159.7M	0.0%	-9.68%	49
WELLINGTON MANAGEMENT GROUP LLP	Decreased	1.3M(-1.9%)	$153.4M	0.0%	+36.27%	0
Capital World Investors	Increased	1.2M(+59.2%)	$135M	0.0%	-0.18%	43
FRANKLIN RESOURCES INC	Increased	1.2M(+61.3%)	$135M	0.0%	+49.55%	44
Polar Capital Holdings Plc	Increased	845,524(+198.3%)	$99M	0.2%	+10.38%	58
NANOMURA ASSET MANAGEMENT INTERNATIONAL INC.	Increased	752,044(+85.5%)	$88M	0.1%	+2.11%	55
AMERIPRISE FINANCIAL INC	Increased	726,694(+231.4%)	$85.1M	0.0%	+1.66%	48
TWO SIGMA INVESTMENTS, LP	Decreased	690,318(-10.9%)	$80.8M	0.1%	+35.88%	0
Bank of New York Mellon Corp	Increased	669,974(+14.6%)	$78.4M	0.0%	+62.33%	34
Clearbridge Investments, LLC	Decreased	639,734(-4.8%)	$74.9M	0.1%	+177.66%	0
BNP PARIBAS FINANCIAL MARKETS	Decreased	606,427(-33.5%)	$71M	0.0%	+59.19%	0
Woodline Partners LP	Unchanged	567,894	$66.5M	0.2%	+173.59%	0
BANK OF AMERICA CORP /DE/	Decreased	561,724(-22.2%)	$65.8M	0.0%	+67.56%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer