ARCH Venture Fund IX, L.P. - 27 Feb 2026 SCHEDULE 13D/A Report for Vir Biotechnology, Inc. Common Stock, $0.0001 par value (VIR)

Filing Manager
ARCH Venture Fund IX, L.P.
Reporting Manager
Robert Nelsen
Security
Vir Biotechnology, Inc. Common Stock, $0.0001 par value
Symbol
VIR
Shares outstanding
159,231,812 shares
Disclosed Ownership
13,534,704 shares
Ownership
8.5%
Form type
SCHEDULE 13D/A
Filing time
03 Mar 2026, 17:00:02 UTC
Date of event
27 Feb 2026
SEC
View on sec.gov

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Quoteable Key Fact

"ARCH Venture Fund IX, L.P. disclosed 8.5% ownership in Vir Biotechnology, Inc. Common Stock, $0.0001 par value (VIR) on 27 Feb 2026."

Quick Takeaways

  • ARCH Venture Fund IX, L.P. filed SCHEDULE 13D/A for Vir Biotechnology, Inc. Common Stock, $0.0001 par value (VIR).
  • Disclosed ownership: 8.5%.
  • Date of event: 27 Feb 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 03 Mar 2026, 17:00.

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.

Official SEC Source

Backed by Schedule 13D/13G

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

See Original Filing

Reporting Managers (8)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ARCH Venture Fund IX, L.P. 8.1% 12,916,663 0 12,916,663 ARCH Venture Partners IX, L.P. its General Partner 0001666306
ARCH Venture Fund IX Overage, L.P. 8.1% 12,916,663 0 12,916,663 ARCH Venture Partners IX Overage, L.P. its General Partner 0001666307
ARCH Venture Partners IX, L.P. 8.1% 12,916,663 0 12,916,663 ARCH Venture Partners IX, LLC its General Partner 0001723173
ARCH Venture Partners IX Overage, L.P. 8.1% 12,916,663 0 12,916,663 ARCH Venture Partners IX, LLC its General Partner 0001723172
ARCH Venture Partners IX, LLC 8.1% 12,916,663 0 12,916,663 /s/ Mark McDonnell Mark McDonnell as Attorney-in-Fact for Keith Crandell, Managing Director 0001723174
Robert Nelsen 8.5% 13,534,704 584,148 12,950,556 /s/ Mark McDonnell Mark McDonnell as Attorney-in-Fact for Robert Nelsen 0001219042
Keith Crandell 8.3% 13,189,627 272,964 12,916,663 /s/ Mark McDonnell Mark McDonnell as Attorney-in-Fact for Keith Crandell 0001219039
Clinton Bybee 8.1% 13,008,393 30,570 12,977,823 /s/ Mark McDonnell Mark McDonnell as Attorney-in-Fact for Clinton Bybee 0001219043

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