Janus Henderson Group Plc

13F Holdings History for Mirum Pharmaceuticals, Inc. - Common Stock, par value $0.0001 per share (MIRM)

Symbol: MIRM on Nasdaq
Investment type: Equity / Common Stock, par value $0.0001 per share
Latest Disclosed Ownership: 5.24M shares
Security Ownership: 10.6%

Shares, Excluding Options vs Price

Value, Excluding Options

JANUS HENDERSON GROUP PLC ownership in Mirum Pharmaceuticals, Inc. Common Stock, par value $0.0001 per share (MIRM)

2025-08-14 - JANUS HENDERSON GROUP PLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 5.24M shares of Mirum Pharmaceuticals, Inc. Common Stock, par value $0.0001 per share (MIRM). This represents 10.6% percent ownership of the company. In their previous filing dated 2025-06-06, JANUS HENDERSON GROUP PLC had reported owning 5.08M shares, indicating an increase of 3.04% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
JANUS HENDERSON GROUP PLC	10.6%	+3%	$395M	5.24M	+154,320	+3.04%	$75.53	13G/A	6/30/2025	14 Aug 2025 11:15:58
JANUS HENDERSON GROUP PLC	10.3%	+2%	$230M	5.08M	+83,180	+1.66%	$45.24	13G/A	5/30/2025	6 Jun 2025 11:59:14
JANUS HENDERSON GROUP PLC	10.1%	+6.67%	$198M	5M	+417,135	+9.1%	$39.58	13G/A	4/30/2025	7 May 2025 10:57:01
JANUS HENDERSON GROUP PLC	9.7%	+2.22%	$189M	4.78M	+193,733	+4.23%	$39.58	13G/A	3/31/2025	15 May 2025 15:32:46
JANUS HENDERSON GROUP PLC	9.5%		$181M	4.58M			$39.58	13G/A	12/31/2024	14 Feb 2025 12:11:17

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
6/30/2025	0.13%	+0.01%	$266M	5.24M	+470,168	+9.86%	$50.89	Q2 2025
3/31/2025	0.12%	+0%	$219M	4.77M	+184,467		$46.00	Q1 2025
12/31/2024	0.1%	+0%	$189M	4.58M	+101,358	+2.26%	$41.36	Q4 2024
9/30/2024	0.09%	-0.01%	$175M	4.48M	-508,463	-10.2%	$39.00	Q3 2024
6/30/2024	0.09%	+0.04%	$171M	4.99M	+2,221,537	+80.3%	$34.19	Q2 2024
3/31/2024	0.04%	+0.01%	$69.5M	2.77M	+704,659	+34.2%	$25.10	Q1 2024
12/31/2023	0.04%	+0%	$60.9M	2.06M	+138,791	+7.21%	$29.52	Q4 2023
9/30/2023	0.04%	+0.03%	$60.8M	1.92M	+1,658,148	+624%	$31.59	Q3 2023
6/30/2023	0%	+0%	$6.86M	266K	+224,328	+543%	$25.84	Q2 2023
3/31/2023	0%	+0%	$991K	41.3K	+41,284	NEW	$24.01	Q1 2023

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.