Mirum Pharmaceuticals MIRM Institutional Ownership

NASDAQ MIRM

$101.07 +0.44 (+0.44%)

As of: Sep 4, 2026 · 11:43 AM EDT

Institutions by Trading Activity

327 Institutions

Increased 189 57.8%

Unchanged 38 11.6%

Reduced 100 30.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

112.87%

▼-14.35 pp QoQ

Shares Held by Institutions

71.53Mn

of 63.37Mn outstanding

▲+23.38% QoQ

Shares Outstanding

63.37Mn

-8.16Mn held outside 13F filers

Institutional Investors

327

filed 13F for Jun 2026

▲+19 vs prior quarter

Net Shares Added (QoQ)

+13.56Mn

accumulated since last quarter

Value of Holdings

$7.20Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Mirum Pharmaceuticals, Inc. (NASDAQ:MIRM) has 327 institutional investors with active 13F positions as of June 2026.

They owned 112.9% of outstanding stock in June 2026, down from 127.2% the prior quarter.
Their total shares held in MIRM increased 23.38% quarter over quarter, and separately, investors owning Mirum Pharmaceuticals increased 53.52% from a year ago.
During the quarter, 189 of these 327 funds increased positions in MIRM, 100 reduced exposure, and 38 held steady.
Combined, these investors held 71.53Mn shares in MIRM for June 2026, up by 13.56Mn shares quarter on quarter, and up 17.55Mn shares year over year.
Frazier Life Sciences Management, L.P. leads ownership in MIRM with 7.68Mn shares as of June 30, 2026, equal to 12.12% of outstanding shares.
The biggest buyers of Mirum Pharmaceuticals for the quarter ending June 2026 included Jupiter Topco LLC (5.91Mn), FMR LLC (1.7Mn), Invesco Ltd. (1.08Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.07Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (944.94K).
The largest sellers of Mirum Pharmaceuticals for the quarter ending June 2026 were BVF INC/IL (528.7K), Soleus Capital Management, L.P. (325.31K), BNP PARIBAS FINANCIAL MARKETS (304.99K), MILLENNIUM MANAGEMENT LLC (272.36K), Novo Holdings A/S (200.0K).
Per Business Quant data, the top 10 holders of Mirum Pharmaceuticals for the quarter ending June 2026 are Frazier Life Sciences Management, L.P. (7.68Mn), Jupiter Topco LLC (5.91Mn), BlackRock, Inc. (4.39Mn), FMR LLC (3.67Mn), PRICE T ROWE ASSOCIATES INC /MD/ (2.66Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.38Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.25Mn), State Street Corp (2.17Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.4Mn), GEODE CAPITAL MANAGEMENT, LLC (1.39Mn).

Form 13F Holdings

327 Institutional Holders

Report period 30 Jun, 2026

Total shares held 71.53Mn

Of outstanding 112.87%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Frazier Life Sciences Management, L.P.	0001892134	7,679,684	12.12%	0	0.00%	$899.06Mn
2	Jupiter Topco LLC	0002146052	5,909,184	9.32%	▲5,909,184	0.00%	$691.67Mn
3	BlackRock, Inc.	0002012383	4,390,063	6.93%	▲543,533	+14.13%	$513.94Mn
4	FMR LLC	0000315066	3,670,314	5.79%	▲1,704,939	+86.75%	$429.68Mn
5	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	2,655,607	4.19%	▲938,186	+54.63%	$310.89K
6	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,377,019	3.75%	▲944,936	+65.98%	$278.28Mn
7	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,254,109	3.56%	▼160,667	-6.65%	$263.89Mn
8	State Street Corp	0000093751	2,170,689	3.43%	▲226,408	+11.64%	$254.12Mn
9	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	0001644956	1,404,741	2.22%	▲1,069,072	+318.49%	$164.45Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,393,908	2.20%	▲133,905	+10.63%	$163.21Mn
11	Invesco Ltd.	0000914208	1,364,084	2.15%	▲1,078,848	+378.23%	$159.69Mn
12	WELLINGTON MANAGEMENT GROUP LLP	0000902219	1,309,987	2.07%	▼24,822	-1.86%	$153.36Mn
13	EVENTIDE ASSET MANAGEMENT, LLC	0001442891	1,248,389	1.97%	▼160,482	-11.39%	$146.20Mn
14	TANG CAPITAL MANAGEMENT LLC	0001232621	1,236,027	1.95%	0	0.00%	$144.70Mn
15	Capital World Investors	0001422849	1,153,480	1.82%	▲429,065	+59.23%	$135.04Mn
16	Franklin Resources Inc	0000038777	1,152,770	1.82%	▲437,966	+61.27%	$134.95Mn
17	Novo Holdings A/S	0001388325	1,125,000	1.78%	▼200,000	-15.09%	$131.70Mn
18	TCG Crossover Management, LLC	0001839948	1,062,049	1.68%	0	0.00%	$124.33Mn
19	BVF INC/IL	0001056807	1,056,027	1.67%	▼528,700	-33.36%	$123.63Mn
20	Polar Capital Holdings Plc	0001837309	845,524	1.33%	▲562,040	+198.26%	$98.99Mn

Showing 1 to 20 of 327 holders