Schedule 13D ownership disclosure

LEONABIO INC

Common Stock, $0.0001 par value · CUSIP: 04746L203

Event date: 2026-10-26

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares
Unavailable
Percent of class
Unavailable
  • Perceptive Advisors LLCReported CIK 0001224962

    Shares: 1,889,403 · Class: 19.99%

  • Joseph EdelmanReported CIK 0001164426

    Shares: 1,889,403 · Class: 19.99%

  • Perceptive Life Sciences Master Fund, Ltd.Reported CIK 0001249675

    Shares: 1,559,647 · Class: 16.5%

  • Perceptive Xontogeny Venture Fund II, LPReported CIK 0001851820

    Shares: 359,837 · Class: 3.8%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0001193125-26-431897
Form type
SCHEDULE 13D/A
Filer
LeonaBio, Inc.
CIK
CIK 1620463
Filed
Oct 26, 2026
Reporting period
Oct 26, 2026
Description
Schedule 13D beneficial ownership

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