TCG Crossover GP II, LLC - 12 Feb 2026 SCHEDULE 13G Report for Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share (TECX)

Filing Manager
TCG Crossover GP II, LLC
Reporting Manager
Chen Yu
Security
Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share
Symbol
TECX
Shares outstanding
18,867,097 shares
Disclosed Ownership
1,169,760 shares
Ownership
6.2%
Form type
SCHEDULE 13G
Filing time
27 Feb 2026, 17:17:58 UTC
Date of event
12 Feb 2026
SEC
View on sec.gov

Quoteable Key Fact

"TCG Crossover GP II, LLC disclosed 6.2% ownership in Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share (TECX) on 12 Feb 2026."

Quick Takeaways

  • TCG Crossover GP II, LLC filed SCHEDULE 13G for Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share (TECX).
  • Disclosed ownership: 6.2%.
  • Date of event: 12 Feb 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 27 Feb 2026, 17:17.

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
TCG Crossover GP II, LLC 3.1% 584,882 0 584,882 /s/ Craig Skaling Craig Skaling, Authorized Signatory
TCG Crossover Fund II, L.P. 3.1% 584,882 0 584,882 /s/ Craig Skaling Craig Skaling, Authorized Signatory
TCG Crossover GP III, LLC 3.1% 584,878 0 584,878 /s/ Craig Skaling Craig Skaling, Authorized Signatory
TCG Crossover Fund III, L.P. 3.1% 584,878 0 584,878 /s/ Craig Skaling Craig Skaling, Authorized Signatory
Chen Yu 6.2% 1,169,760 0 1,169,760 /s/ Craig Skaling Craig Skaling, as Attorney-in-Fact for Chen Yu