Mirum Pharmaceuticals, Inc. (MIRM) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

50,237,647Shares Outstanding

9,234,598Shares held by institutions

$600,248,870Value of institutional holdings

114.35%Institutional ownership %

2.48%Shares Changed QoQ

270No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Mirum Pharmaceuticals, Inc. (NASDAQ:MIRM) includes 270 filers as of the latest reporting cycle ending September 2025.

These investors collectively held 114.3% of the company's total shares outstanding in September 2025, up from 109.1% in June 2025.
Institutional share ownership changed by 2.48% QoQ, while the number of institutional owners saw an increase of 52.54% YoY.
During the quarter, 138 institutions bought more Mirum Pharmaceuticals shares, 104 sold shares, and 28 of the 270 total investors held their position steady.
This class of investors increased its holdings in Mirum Pharmaceuticals to 57.44Mn shares for the 13F-cycle ending September 2025, up by 1.39Mn shares quarter on quarter, and up 4.19Mn shares year over year.
Frazier Life Sciences Management, L.P.'s holding of 6.80Mn shares as of September 30, 2025 makes it the primary institutional investor in Mirum Pharmaceuticals, owning 13.53% of the stock.
Among the most significant buyers of Mirum Pharmaceuticals during September 2025 were WELLINGTON MANAGEMENT GROUP LLP (672.12K), FMR LLC (580.78K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (536.67K), Point72 Asset Management, L.P. (531.81K), VOLORIDGE INVESTMENT MANAGEMENT, LLC (372.00K).
Leading sellers of Mirum Pharmaceuticals stock in September 2025 included BVF INC/IL (1.27Mn), CITADEL ADVISORS LLC (405.45K), JPMORGAN CHASE & CO (380.07K), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (364.68K), JANUS HENDERSON GROUP PLC (238.69K).
The top 10 institutional holders of Mirum Pharmaceuticals for the quarter ending September 2025 included Frazier Life Sciences Management, L.P. (6.80Mn), JANUS HENDERSON GROUP PLC (5.00Mn), BlackRock, Inc. (3.60Mn), VANGUARD GROUP INC (2.55Mn), EVENTIDE ASSET MANAGEMENT, LLC (2.52Mn), BVF INC/IL (1.50Mn), STATE STREET CORP (1.35Mn), PRICE T ROWE ASSOCIATES INC /MD/ (1.28Mn), Novo Holdings A/S (1.26Mn), TANG CAPITAL MANAGEMENT LLC (1.24Mn).

270 Institutional Holders

9,234,598 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Frazier Life Sciences Management, L.P.	30 Sep, 2025	6,795,121	0	0.00%	$498,150,321.00
JANUS HENDERSON GROUP PLC	30 Sep, 2025	4,997,586	-238,691	-4.56%	$366,518,621.00
BlackRock, Inc.	30 Sep, 2025	3,602,434	25,343	0.71%	$264,094,437.00
VANGUARD GROUP INC	30 Sep, 2025	2,545,369	-19,500	-0.76%	$186,601,001.00
EVENTIDE ASSET MANAGEMENT, LLC	30 Sep, 2025	2,522,563	-114,922	-4.36%	$184,923,401.00
BVF INC/IL	30 Sep, 2025	1,495,290	-1,266,043	-45.85%	$109,619,710.00
STATE STREET CORP	30 Sep, 2025	1,346,904	-28,724	-2.09%	$98,741,532.00
PRICE T ROWE ASSOCIATES INC /MD/	30 Sep, 2025	1,283,288	-133,927	-9.45%	$94,079.00
Novo Holdings A/S	30 Sep, 2025	1,264,028	-236,027	-15.73%	$92,665,893.00
TANG CAPITAL MANAGEMENT LLC	30 Sep, 2025	1,236,027	0	0.00%	$90,613,139.00
CITADEL ADVISORS LLC	30 Sep, 2025	1,040,544	-405,451	-28.04%	$76,282,281.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	1,010,022	-19,594	-1.90%	$74,056,868.00
Clearbridge Investments, LLC	30 Sep, 2025	1,003,803	-23,724	-2.31%	$73,588,785.00
D. E. Shaw & Co., Inc.	30 Sep, 2025	923,509	368,552	66.41%	$67,702,445.00
Polar Capital Holdings Plc	30 Sep, 2025	820,552	-154,448	-15.84%	$60,154,667.00
WELLINGTON MANAGEMENT GROUP LLP	30 Sep, 2025	790,689	672,118	566.85%	$57,965,410.00
Point72 Asset Management, L.P.	30 Sep, 2025	790,675	531,809	205.44%	$57,964,420.00
Rock Springs Capital Management LP	30 Sep, 2025	761,126	-57,080	-6.98%	$55,798,147.00
MORGAN STANLEY	30 Sep, 2025	670,149	103,823	18.33%	$49,128,631.00
LORD, ABBETT & CO. LLC	30 Sep, 2025	661,940	-109,206	-14.16%	$48,527.00

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Mirum Pharmaceuticals, Inc. (MIRM) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

270 Institutional Holders

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