PFIZER INC

Holdings History for Q32 Bio Inc. - COMMON STOCK (QTTB)

Symbol: QTTB on Nasdaq
Investment type: Equity / COMMON STOCK
Latest Disclosed Shares Owned: 277,777 shares
Security Ownership %: 2.3%

Shares, Excluding Options vs Price

Value, Excluding Options

Pfizer Inc. (IRS Identification No.: 13-5315170) ownership in Q32 Bio Inc. COMMON STOCK (QTTB)

13 Feb 2026 - Pfizer Inc. (IRS Identification No.: 13-5315170) has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 277,777 shares of Q32 Bio Inc. COMMON STOCK (QTTB). This represents 2.3% ownership of the company. This is the first filing by PFIZER INC disclosing ownership of Q32 Bio Inc. COMMON STOCK (QTTB).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Pfizer Inc. (IRS Identification No.: 13-5315170)	2.3%		$994,442	277,777			$3.58	13G/A	31 Dec 2024	13 Feb 2026, 17:08

Holdings date	Weight	Change	Value $	Shares	Price	All Holders
31 Dec 2025	0.39%	0%	$922,220	277,777	$3.32	Q4 2025
30 Sep 2025	0.13%	0%	$549,998	277,777	$1.98	Q3 2025
30 Jun 2025	0.07%	0%	$413,888	277,777	$1.49	Q2 2025
31 Mar 2025	0.09%	0%	$458,332	277,777	$1.65	Q1 2025
31 Dec 2024	0.04%	0%	$955,553	277,777	$3.44	Q4 2024

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.