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JANUS HENDERSON GROUP PLC

Position in MIRM — Mirum Pharmaceuticals, Inc.

CIK 1274173 LONDON, X0

Position in MIRM

as of Mar 31, 2026 · filed May 18, 2026
Position Value
$641,654,204
+$162,555,527 QoQ
Shares Held
6,945,813
+14.5% QoQ
Ownership
11.4%
of shares outstanding
% of Portfolio
0.33%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2023
13 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 96.74173491281725.ToString("F0")% None 3.2582650871827386.ToString("F0")%

Common Shares in MIRM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

JANUS HENDERSON GROUP PLC holds $15,891,382,798 across 182 Biotechnology names. MIRM ranks #8 (4.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 MIRM
Mirum Pharmaceuticals, Inc.
This page
6,945,813 $641,654,204

All Filings in MIRM

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13 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $641,654,204 6,945,813
2025-12-31 $479,098,677 6,065,308
2025-09-30 $366,373,028 4,997,586
2025-06-30 $266,474,135 5,236,277
2025-03-31 $214,713,209 4,766,109
2024-12-31 $189,450,895 4,581,642
2024-09-30 $174,731,076 4,480,284
2024-06-30 $170,565,258 4,988,747
2024-03-31 $69,512,313 2,767,210
2023-12-31 $60,886,504 2,062,551
2023-09-30 $60,790,815 1,923,760
2023-06-30 $6,871,382 265,612
2023-03-31 $991,640 41,284