BIOTECHNOLOGY VALUE FUND L P - 30 Sep 2025 SCHEDULE 13G/A Report for Mirum Pharmaceuticals, Inc. Common Stock, par value $0.0001 per share (MIRM)

Filing Manager
BIOTECHNOLOGY VALUE FUND L P
Reporting Manager
BVF PARTNERS L P/IL
Security
Mirum Pharmaceuticals, Inc. Common Stock, par value $0.0001 per share
Symbol
MIRM
Shares outstanding
49,843,000 shares
Disclosed Ownership
1,495,290 shares
Ownership
3%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 16:14:45 UTC
Date of event
30 Sep 2025
SEC
View on sec.gov

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Quoteable Key Fact

"BIOTECHNOLOGY VALUE FUND L P disclosed 3% ownership in Mirum Pharmaceuticals, Inc. Common Stock, par value $0.0001 per share (MIRM) on 30 Sep 2025."

Quick Takeaways

  • BIOTECHNOLOGY VALUE FUND L P filed SCHEDULE 13G/A for Mirum Pharmaceuticals, Inc. Common Stock, par value $0.0001 per share (MIRM).
  • Disclosed ownership: 3%.
  • Date of event: 30 Sep 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 14 Nov 2025, 16:14.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (10)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BIOTECHNOLOGY VALUE FUND L P 1.5% 772,595 0 772,595 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF I GP LLC 1.5% 772,595 0 772,595 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BIOTECHNOLOGY VALUE FUND II LP 1.2% 610,666 0 610,666 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF II GP LLC 1.2% 610,666 0 610,666 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
Biotechnology Value Trading Fund OS LP 0.2% 82,238 0 82,238 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF Partners OS Ltd. 0.2% 82,238 0 82,238 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF GP HOLDINGS LLC 2.8% 1,383,261 0 1,383,261 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF PARTNERS L P/IL 3% 1,495,290 0 1,495,290 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF INC/IL 3% 1,495,290 0 1,495,290 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
LAMPERT MARK N 3% 1,495,290 0 1,495,290 /s/ Mark N. Lampert Mark N. Lampert

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