ORBIMED ADVISORS LLC - 18 Feb 2026 SCHEDULE 13D/A Report for Q32 Bio Inc. COMMON STOCK (QTTB)

Filing Manager
ORBIMED ADVISORS LLC
Reporting Manager
ORBIMED ADVISORS LLC
Security
Q32 Bio Inc. COMMON STOCK
Symbol
QTTB
Shares outstanding
14,629,786 shares
Disclosed Ownership
2,252,987 shares
Ownership
15%
Form type
SCHEDULE 13D/A
Filing time
12 Mar 2026, 17:06:34 UTC
Date of event
18 Feb 2026
SEC
View on sec.gov

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Quoteable Key Fact

"ORBIMED ADVISORS LLC disclosed 15% ownership in Q32 Bio Inc. COMMON STOCK (QTTB) on 18 Feb 2026."

Quick Takeaways

  • ORBIMED ADVISORS LLC filed SCHEDULE 13D/A for Q32 Bio Inc. COMMON STOCK (QTTB).
  • Disclosed ownership: 15%.
  • Date of event: 18 Feb 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 12 Mar 2026, 17:06.

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 (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ORBIMED ADVISORS LLC 15% 2,252,987 0 2,252,987 /s/ Carl L. Gordon Carl L. Gordon/Member 0001055951
ORBIMED CAPITAL GP VII LLC 15% 2,252,987 0 2,252,987 /s/ Carl L. Gordon Carl L. Gordon/Member of OrbiMed Advisors LLC 0001760648

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