QTTB — Q32 Bio Inc Institutional Holders · Q2 2026

Name: Who Owns QTTB? 80 Institutions Hold $286M (Q2 2026)
Creator: ko.io

Who owns Q32 Bio Inc (QTTB)? 80 institutions reported holding $285.89M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Orbimed Advisors LLC ($52.6M), Boxer Capital Management, LLC ($40.1M), Atlas Venture Life Science Advisors, LLC ($34.6M).

Rank	Institution	Value	Shares	Change
1	ORBIMED ADVISORS LLC	$52.6M	4.1M	Added
2	Boxer Capital Management, LLC	$40.1M	3.1M	New
3	Atlas Venture Life Science Advisors, LLC	$34.6M	2.7M	Added
4	BVF INC/IL	$29.9M	2.4M	New
5	RA CAPITAL MANAGEMENT, L.P.	$29.7M	2.3M	New
6	Point72 Asset Management, L.P.	$14.9M	1.2M	New
7	Opaleye Management Inc.	$11.9M	931,000	Trimmed
8	Logos Global Management LP	$10.2M	800,000	New
9	SummitTX Capital, L.P.	$9.3M	733,774	New
10	Ikarian Capital, LLC	$8.0M	630,000	New
11	VANGUARD GROUP INC	$7.5M	589,844	Added
12	Woodline Partners LP	$3.6M	286,212	New
13	AMERICAN CENTURY COMPANIES INC	$3.5M	272,752	Added
14	Sanofi	$3.1M	244,083	Hold
15	ACADIAN ASSET MANAGEMENT LLC	$2.8M	218,234	Added
16	ACORN CAPITAL ADVISORS, LLC	$2.8M	216,171	Trimmed
17	BOOTHBAY FUND MANAGEMENT, LLC	$2.4M	191,727	New
18	RENAISSANCE TECHNOLOGIES LLC	$2.3M	179,600	Trimmed
19	JANE STREET GROUP, LLC	$2.1M	162,747	Added
20	MONIMUS CAPITAL MANAGEMENT, LP	$1.7M	132,036	Trimmed
21	GEODE CAPITAL MANAGEMENT, LLC	$1.6M	122,690	Added
22	CITADEL ADVISORS LLC	$1.5M	120,663	Added
23	BlackRock, Inc.	$1.5M	118,507	Added
24	MARSHALL WACE, LLP	$854,153	67,045	Added
25	Carlyle Group Inc.	$769,020	60,363	Trimmed

Source: SEC Form 13F filings · as of 2026-06-30