Mirum Pharmaceuticals (mirm 4 05/01/29)

13F holders, Q3 2025 (September 30)
6holders +3
3new positions
0sold out
$15.73avg. 13F price*

At the end of Q3 2025, 6 institutions reported holding Mirum Pharmaceuticals (mirm 4 05/01/29) in their 13F filings, up 3 from Q2 2025. 3 opened new positions and 0 sold out. The largest holders were Nomura Holdings Inc. ($7.1M), Sei Investments Co. ($548K) and Bank of New York Mellon Corp ($237K).

Company
Mirum Pharmaceuticals (mirm 4 05/01/29)
CUSIP
604749AB7
Latest filing quarter
Q2 2026

History

Number of 13F holders

0246 Q2 2024: 2Q2 2024Q3 2024: 4Q3 2024Q4 2024: 3Q4 2024Q1 2025: 3Q1 2025Q2 2025: 3Q2 2025Q3 2025: 6Q3 2025Q4 2025: 5Q4 2025Q1 2026: 4Q1 2026Q2 2026: 2Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions3$7.3M
Exits0$0

All 13F filers, Q2 2025 → Q3 2025: 202,341 shares bought, net +202,341 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 6 holders

Nomura Holdings Inc. 0.04% New 96,341 $7.1M
Sei Investments Co. 0.00% No change 228,000 $548K
Bank of New York Mellon Corp 0.00% New 100,000 $237K
Oppenheimer Asset Management Inc. 0.00% Add +3.2% 64,000 $154K
Stephens Inc. 0.00% No change 20,000 $48K
Fifth Third Bancorp 0.00% New 4,000 $10K

"% of holder's portfolio" is MIRUM PHARMACEUTICALS (MIRM 4 05/01/29)'s weight in each manager's 13F, not the share of Mirum Pharmaceuticals (mirm 4 05/01/29) the manager owns.