Frazier Life Sciences Public Fund, L.P. - 30 Jun 2025 SCHEDULE 13G/A Report for JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (JBIO)

Filing Manager
Frazier Life Sciences Public Fund, L.P.
Reporting Manager
Frazier Life Sciences Public Fund, L.P.
Security
JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share
Symbol
JBIO
Shares outstanding
31,921,500 shares
Disclosed Ownership
1,340,703 shares
Ownership
4.2%
Form type
SCHEDULE 13G/A
Filing time
14 Aug 2025, 13:46:27 UTC
Date of event
30 Jun 2025
Previous filing
05 May 2025
Next filing
14 Nov 2025
SEC
View on sec.gov

Quoteable Key Fact

"Frazier Life Sciences Public Fund, L.P. disclosed 4.2% ownership in JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (JBIO) on 30 Jun 2025."

Quick Takeaways

  • Frazier Life Sciences Public Fund, L.P. filed SCHEDULE 13G/A for JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (JBIO).
  • Disclosed ownership: 4.2%.
  • Date of event: 30 Jun 2025.

What Changed

  • Previous schedule filing date: 05 May 2025.
  • Current filing was accepted on 14 Aug 2025, 13:46.

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.

Source Evidence

Backed by Schedule 13D/13G

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

See Original Filing

Reporting Managers (17)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Frazier Life Sciences Public Fund, L.P. 4.2% 1,340,703 0 1,340,703 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP, L.L.C., GP of FHMLSP, L.P., GP of Frazier Life Sciences Public Fund, L.P.
FHMLSP, L.P. 4.2% 1,340,703 0 1,340,703 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP, L.L.C., GP of FHMLSP, L.P.
FHMLSP, L.L.C. 4.2% 1,340,703 0 1,340,703 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP, L.L.C.
Frazier Life Sciences Public Overage Fund, L.P. 1.2% 395,508 0 395,508 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP Overage, L.L.C., GP of FHMLSP Overage, L.P., GP of Frazier Life Sciences Public Overage Fund, L.P.
FHMLSP Overage, L.P. 1.2% 395,508 0 395,508 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP Overage, L.L.C., GP of FHMLSP Overage, L.P.
FHMLSP Overage, L.L.C. 1.2% 395,508 0 395,508 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP Overage, L.L.C.
Frazier Life Sciences X, L.P. 0% 11,897 0 11,897 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS X, L.L.C., GP of FHMLS X, L.P., GP of Frazier Life Sciences X, L.P.
FHMLS X, L.P. 0% 11,897 0 11,897 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS X, L.L.C., GP of FHMLS X, L.P.
FHMLS X, L.L.C. 0% 11,897 0 11,897 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS X, L.L.C.
Frazier Life Sciences XI, L.P. 0.1% 24,008 0 24,008 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS XI, L.L.C., GP of FHMLS XI, L.P., GP of Frazier Life Sciences XI, L.P.
FHMLS XI, L.P. 0.1% 24,008 0 24,008 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS XI, L.L.C., GP of FHMLS XI, L.P.
FHMLS XI, L.L.C. 0.1% 24,008 0 24,008 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS XI, L.L.C.
James N. Topper 0% 11,897 0 11,897 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for James N. Topper, pursuant to a Power of Attorney, a copy of which was filed with the SEC on July 31, 2017
Patrick J. Heron 0% 11,897 0 11,897 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for Patrick J. Heron, pursuant to a Power of Attorney, a copy of which was filed with the SEC on July 31, 2017
Albert Cha 0% 0 0 0 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for Albert Cha, pursuant to a Power of Attorney, a copy of which was filed with the SEC on August 16, 2021
James Brush 0% 0 0 0 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for James Brush, pursuant to a Power of Attorney, a copy of which was filed with the SEC on August 16, 2021
Daniel Estes 0% 0 0 0 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for Daniel Estes, pursuant to a Power of Attorney, a copy of which was filed with the SEC on April 18, 2022