BIOTECHNOLOGY VALUE FUND L P - 31 Dec 2025 SCHEDULE 13G/A Report for Avalo Therapeutics, Inc. Common Stock, $0.001 par value per share (AVTX)

Filing Manager
BIOTECHNOLOGY VALUE FUND L P
Reporting Manager
BVF PARTNERS L P/IL
Security
Avalo Therapeutics, Inc. Common Stock, $0.001 par value per share
Symbol
AVTX
Shares outstanding
19,061,632 shares
Disclosed Ownership
1,904,257 shares
Ownership
10%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 16:07:59 UTC
Date of event
31 Dec 2025
Previous filing
14 Nov 2025
SEC
View on sec.gov

Sponsored

Quoteable Key Fact

"BIOTECHNOLOGY VALUE FUND L P disclosed 10% ownership in Avalo Therapeutics, Inc. Common Stock, $0.001 par value per share (AVTX) on 31 Dec 2025."

Quick Takeaways

  • BIOTECHNOLOGY VALUE FUND L P filed SCHEDULE 13G/A for Avalo Therapeutics, Inc. Common Stock, $0.001 par value per share (AVTX).
  • Disclosed ownership: 10%.
  • Date of event: 31 Dec 2025.

What Changed

  • Previous schedule filing date: 14 Nov 2025.
  • Current filing was accepted on 17 Feb 2026, 16:07.

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 6.8% 1,286,909 0 1,286,909 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF I GP LLC 6.8% 1,286,909 0 1,286,909 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BIOTECHNOLOGY VALUE FUND II LP 2.7% 500,507 0 500,507 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF II GP LLC 2.7% 500,507 0 500,507 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
Biotechnology Value Trading Fund OS LP 0.5% 97,524 0 97,524 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF Partners OS Ltd. 0.5% 97,524 0 97,524 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF GP HOLDINGS LLC 9.4% 1,787,416 0 1,787,416 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF PARTNERS L P/IL 10% 1,904,257 0 1,904,257 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF INC/IL 10% 1,904,257 0 1,904,257 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
LAMPERT MARK N 10% 1,904,257 0 1,904,257 /s/ Mark N. Lampert Mark N. Lampert

Sponsored