Quick Takeaways
- PFIZER INC filed SCHEDULE 13G/A for Q32 Bio Inc. Common Stock par value $0.0001 per share (QTTB).
- Disclosed ownership: 2.3%.
- Date of event: 31 Dec 2024.
PFIZER INC - 31 Dec 2024 SCHEDULE 13G/A Report for Q32 Bio Inc. Common Stock par value $0.0001 per share (QTTB)
- Filing Manager
- PFIZER INC
- Reporting Manager
- Pfizer Inc. (IRS Identification No.: 13-5315170)
- Symbol
- QTTB
- Shares outstanding
- 12,077,261 shares
- Disclosed Ownership
- 277,777 shares
- Ownership
- 2.3%
- Form type
- SCHEDULE 13G/A
- Filing time
- 13 Feb 2026, 17:08:27 UTC
- Date of event
- 31 Dec 2024
- SEC
- View on sec.gov
Quoteable Key Fact
"PFIZER INC disclosed 2.3% ownership in Q32 Bio Inc. Common Stock par value $0.0001 per share (QTTB) on 31 Dec 2024."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 13 Feb 2026, 17:08.
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 FilingReporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Pfizer Inc. (IRS Identification No.: 13-5315170) | 2.3% | 277,777 | 277,777 | 0 | /s/ Madelyn D. Purcell | Madelyn D. Purcell/Assistant Secretary |