ACORN BIOVENTURES, L.P. - 22 Dec 2025 SCHEDULE 13G Report for Athira Pharma, Inc. Common Stock, $0.0001 Par Value (ATHA)

Filing Manager
ACORN BIOVENTURES, L.P.
Reporting Manager
Anders Hove
Security
Athira Pharma, Inc. Common Stock, $0.0001 Par Value
Symbol
ATHA
Shares outstanding
9,648,827 shares
Disclosed Ownership
501,739 shares
Ownership
5.2%
Form type
SCHEDULE 13G
Filing time
23 Dec 2025, 16:46:14 UTC
Date of event
22 Dec 2025
Next filing
08 Jan 2026
SEC
View on sec.gov

Quoteable Key Fact

"ACORN BIOVENTURES, L.P. disclosed 5.2% ownership in Athira Pharma, Inc. Common Stock, $0.0001 Par Value (ATHA) on 22 Dec 2025."

Quick Takeaways

  • ACORN BIOVENTURES, L.P. filed SCHEDULE 13G for Athira Pharma, Inc. Common Stock, $0.0001 Par Value (ATHA).
  • Disclosed ownership: 5.2%.
  • Date of event: 22 Dec 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 23 Dec 2025, 16:46.

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 (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ACORN BIOVENTURES, L.P. 2.2% 210,730 0 210,730 Anders Hove Manager of General Partner
ACORN CAPITAL ADVISORS GP, LLC 2.2% 210,730 0 210,730 Anders Hove Manager
ACORN BIOVENTURES 2, L.P. 3% 291,009 0 291,009 Anders Hove Manger of General Partner
Acorn Capital Advisors GP 2, LLC 3% 291,009 0 291,009 Anders Hove Manager
Anders Hove 5.2% 501,739 0 501,739 Anders Hove Individually