MIRUM PHARMACEUTICALS INC (MIRM) is held by 162 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is Janus Henderson Group Ltd. as of Q1 2026.

Are institutions buying or selling MIRM?

In Q1 2026, 103 institutions opened or increased positions in MIRUM PHARMACEUTICALS INC while 58 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on MIRM?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for MIRUM PHARMACEUTICALS INC.

How many hedge funds hold MIRM?

162 institutional investors report holding MIRUM PHARMACEUTICALS INC (MIRM) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into MIRM?

As of Q1 2026, tracked institutions in MIRUM PHARMACEUTICALS INC show 103 buyers versus 58 sellers — net inflows.

MIRUM PHARMACEUTICALS INC

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

162

Holders

Avg rating(30 Elite)

$4.1B

Total Value

64% (170)

Fund Consensus

103 buying - 58 selling

Smart Money Verdict

View all

Held by 162 funds

30 elite

Who's Trading

InsiderPCPeetz ChristopherSell $1.5MJul 6, 2026

InsiderPCPeetz ChristopherSell $512KJul 6, 2026

InsiderPCPeetz ChristopherSell $244KJul 6, 2026

InsiderPCPeetz ChristopherSell $213KJul 6, 2026

InsiderHJHowe JolandaSell $264KJun 17, 2026

InsiderRSRamasastry SairaSell $219KMay 15, 2026

Activist

BlackRock, Inc.5.7%Apr 27, 2026

InsiderRSRamasastry SairaSell $194KApr 15, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

InsiderPCPeetz ChristopherSell $3.8MMar 16, 2026

View all insider trades View all activist filings

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

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
Janus Henderson Group Ltd.	Increased	6.9M(+14.5%)	$641.8M	0.3%	+161.57%	43
BlackRock, Inc.	Increased	3.8M(+5.5%)	$355.3M	0.0%	+172.25%	33
VAVANGUARD CAPITAL MANAGEMENT LLC	New	2.4M	$223.1M	0.0%	+39.10%	42
FMR LLC	Increased	2M(+204.0%)	$181.6M	0.0%	+48.77%	49
STATE STREET CORP	Decreased	1.9M(-9.3%)	$179.6M	0.0%	+150.68%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	1.7M(+20.9%)	$158.7M	0.0%	+177.54%	36
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	1.4M	$132.3M	0.0%	+39.10%	42
WELLINGTON MANAGEMENT GROUP LLP	Increased	1.3M(+7.8%)	$123.3M	0.0%	+68.94%	33
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.3M(+18.5%)	$116.4M	0.0%	+209.58%	35
CITADEL ADVISORS LLC	Increased	1.1M(+25.2%)	$97.2M	0.0%	+223.83%	37
BNP PARIBAS FINANCIAL MARKETS	Increased	911,419(+39.0%)	$84.2M	0.0%	+97.36%	39
TWO SIGMA INVESTMENTS, LP	Increased	774,841(+99.4%)	$71.6M	0.1%	+68.46%	48
Capital World Investors	New	724,415	$66.9M	0.0%	+39.10%	41
BANK OF AMERICA CORP /DE/	Increased	722,177(+1.2%)	$66.7M	0.0%	+107.74%	30
FRANKLIN RESOURCES INC	Increased	714,804(+9.8%)	$66M	0.0%	+253.98%	33
Clearbridge Investments, LLC	Decreased	671,870(-22.4%)	$62.1M	0.1%	+244.24%	0
GOLDMAN SACHS GROUP INC	Decreased	662,306(-8.6%)	$61.2M	0.0%	+111.14%	0
Bank of New York Mellon Corp	Increased	584,523(+3.4%)	$54M	0.0%	+132.89%	30
RENAISSANCE TECHNOLOGIES LLC	Increased	582,085(+32.6%)	$53.8M	0.1%	+98.53%	38
Woodline Partners LP	Unchanged	567,894	$52.5M	0.2%	+239.19%	0