BIOTECHNOLOGY VALUE FUND L P - 30 Sep 2025 SCHEDULE 13G/A Report for Protagonist Therapeutics, Inc Common Stock, $0.00001 par value per share (PTGX)

Filing Manager
BIOTECHNOLOGY VALUE FUND L P
Reporting Manager
BVF PARTNERS L P/IL
Security
Protagonist Therapeutics, Inc Common Stock, $0.00001 par value per share
Symbol
PTGX
Shares outstanding
62,461,366 shares
Disclosed Ownership
2,560,916 shares
Ownership
4.1%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 16:17:42 UTC
Date of event
30 Sep 2025
Previous filing
16 Jun 2025
SEC
View on sec.gov

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Quoteable Key Fact

"BIOTECHNOLOGY VALUE FUND L P disclosed 4.1% ownership in Protagonist Therapeutics, Inc Common Stock, $0.00001 par value per share (PTGX) on 30 Sep 2025."

Quick Takeaways

  • BIOTECHNOLOGY VALUE FUND L P filed SCHEDULE 13G/A for Protagonist Therapeutics, Inc Common Stock, $0.00001 par value per share (PTGX).
  • Disclosed ownership: 4.1%.
  • Date of event: 30 Sep 2025.

What Changed

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

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 2.1% 1,323,333 0 1,323,333 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF I GP LLC 2.1% 1,323,333 0 1,323,333 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BIOTECHNOLOGY VALUE FUND II LP 1.7% 1,045,774 0 1,045,774 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF II GP LLC 1.7% 1,045,774 0 1,045,774 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
Biotechnology Value Trading Fund OS LP 0.2% 140,917 0 140,917 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF Partners OS Ltd. 0.2% 140,917 0 140,917 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF GP HOLDINGS LLC 3.8% 2,369,107 0 2,369,107 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF PARTNERS L P/IL 4.1% 2,560,916 0 2,560,916 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF INC/IL 4.1% 2,560,916 0 2,560,916 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
LAMPERT MARK N 4.1% 2,560,916 0 2,560,916 /s/ Mark N. Lampert Mark N. Lampert

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