Venrock Healthcare Capital Partners III, L.P. - 31 Dec 2025 SCHEDULE 13G/A Report for JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value (JBIO)

Filing Manager
Venrock Healthcare Capital Partners III, L.P.
Reporting Manager
Venrock Healthcare Capital Partners III, L.P.
Security
JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value
Symbol
JBIO
Shares outstanding
51,675,374 shares
Disclosed Ownership
5,115,862 shares
Ownership
9.9%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 18:11:31 UTC
Date of event
31 Dec 2025
Previous filing
05 May 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Venrock Healthcare Capital Partners III, L.P. disclosed 9.9% ownership in JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value (JBIO) on 31 Dec 2025."

Quick Takeaways

  • Venrock Healthcare Capital Partners III, L.P. filed SCHEDULE 13G/A for JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value (JBIO).
  • Disclosed ownership: 9.9%.
  • Date of event: 31 Dec 2025.

What Changed

  • Previous schedule filing date: 05 May 2025.
  • Current filing was accepted on 17 Feb 2026, 18:11.

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 (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Venrock Healthcare Capital Partners III, L.P. 9.9% 5,115,862 0 5,115,862 /s/ Sherman G. Souther By VHCP Management III, LLC, its General Partner, By Sherman G. Souther, Authorized Signatory
VHCP Co-Investment Holdings III, LLC 9.9% 5,115,862 0 5,115,862 /s/ Sherman G. Souther By VHCP Management III, LLC, its Manager, By Sherman G. Souther, Authorized Signatory
Venrock Healthcare Capital Partners EG, L.P. 9.9% 5,115,862 0 5,115,862 /s/ Sherman G. Souther By VHCP Management EG, LLC, its General Partner, By Sherman G. Souther, Authorized Signatory
VHCP Management III, LLC 9.9% 5,115,862 0 5,115,862 /s/ Sherman G. Souther By Sherman G. Souther, Authorized Signatory
VHCP Management EG, LLC 9.9% 5,115,862 0 5,115,862 /s/ Sherman G. Souther By Sherman G. Souther, Authorized Signatory
Nimish Shah 9.9% 5,115,862 0 5,115,862 /s/ Sherman G. Souther By Sherman G. Souther, Attorney-in-fact
Bong Y. Koh 9.9% 5,115,862 0 5,115,862 /s/ Sherman G. Souther By Sherman G. Souther, Attorney-in-fact

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