Frazier Life Sciences Public Fund, L.P. - 31 Jan 2025 SCHEDULE 13G/A Report for AnaptysBio, Inc. Common Stock (ANAB)

Filing manager
Frazier Life Sciences Public Fund, L.P.
Reporting owner
Frazier Life Sciences Public Fund, L.P.
Security
AnaptysBio, Inc. Common Stock
Class ownership
0.5%
Ownership signal CIK-linked ownership evidence from parsed SEC filings. 1 signal
Large-stake signal

Form

SCHEDULE 13G/A

Passive or exempt beneficial ownership filing.

Ownership

0.5%

Beneficial ownership of this reported class.

Event date

31 Jan 2025

Date tied to the ownership event or amendment.

Accepted by SEC

14 Feb 2025

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Subject security Names, identifiers, and filing context for this profile. 1 source field
Symbol
ANAB
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
SCHEDULE 13G/A
Accepted by SEC
14 Feb 2025, 11:27:43 UTC
Event date
31 Jan 2025
Prior SEC filing
14 Feb 2025
Source filing
View source filing
Filing notes and source

Key filing fact

Frazier Life Sciences Public Fund, L.P. disclosed 0.5% ownership in AnaptysBio, Inc. Common Stock (ANAB) on 31 Jan 2025.

Key facts

  • Frazier Life Sciences Public Fund, L.P. filed SCHEDULE 13G/A for AnaptysBio, Inc. Common Stock (ANAB).
  • Disclosed ownership: 0.5%.
  • Date of event: 31 Jan 2025.

Change

  • Previous schedule filing date: 14 Feb 2025.
  • Current filing was accepted on 14 Feb 2025, 11:27.
  • Disclosed stake changed by -1.50 percentage points.
  • Changes between disclosures can reflect transactions, share-count changes or reporting changes; they do not establish a purchase or activist intent.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

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

View source filing

Reporting persons

Disclosed reporting parties (25)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
Frazier Life Sciences Public Fund, L.P. 0.5% 0 148,844 /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. 0.5% 148,844 0 148,844 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP, L.L.C., GP of FHMLSP, L.P.
FHMLSP, L.L.C. 0.5% 148,844 0 148,844 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP, L.L.C.
Frazier Life Sciences Public Overage Fund, L.P. 0.1% 18,902 0 18,902 /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. 0.1% 18,902 0 18,902 /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. 0.1% 18,902 0 18,902 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP Overage, L.L.C.
Frazier Life Sciences X, L.P. 0.1% 18,715 0 18,715 /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. 0.1% 18,715 0 18,715 /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. 0.1% 18,715 0 18,715 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS X, L.L.C.
Frazier Life Sciences XI, L.P. 0.1% 40,222 0 40,222 /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% 40,222 0 40,222 /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% 40,222 0 40,222 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS XI, L.L.C.
Frazier Healthcare VII, L.P. 0.4% 121,206 0 121,206 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHM VII, L.L.C., GP of FHM VII, L.P., GP of Frazier Healthcare VII, L.P.
Frazier Healthcare VII-A, L.P. 0.1% 34,540 0 34,540 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHM VII, L.L.C., GP of FHM VII, L.P., GP of Frazier Healthcare VII-A, L.P.
FHM VII, L.P. 0.5% 155,746 0 155,746 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHM VII, L.L.C., GP of FHM VII, L.P.
FHM VII, L.L.C. 0.5% 155,746 0 155,746 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHM VII, L.L.C.
James N. Topper 1.5% 463,241 80,812 382,429 /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 March 29, 2016
Patrick J. Heron 1.3% 391,539 9,110 382,429 /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 March 29, 2016
Albert Cha 0.6% 167,746 0 167,746 /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 0.6% 167,746 0 167,746 /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 0.1% 40,222 0 40,222 /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
Alan Frazier 0.5% 155,746 0 155,746 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for Alan Frazier, pursuant to a Power of Attorney, a copy of which was filed with the SEC on March 29, 2016
Nader Naini 0.5% 155,746 0 155,746 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for Nader Naini, pursuant to a Power of Attorney, a copy of which was filed with the SEC on March 29, 2016
Nathan Every 0.5% 160,369 4,623 155,746 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for Nathan Every, pursuant to a Power of Attorney, a copy of which was filed with the SEC on March 29, 2016
Brian Morfitt 0.5% 161,115 5,369 155,746 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for Brian Morfitt, pursuant to a Power of Attorney, a copy of which was filed with the SEC on March 29, 2016
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