SCHEDULE 13D/A Filed 2026-07-20 Event 2026-07-16 SEC 0000947871-26-000713 →

ORBIMED ADVISORS LLC → Q32 Bio Inc. QTTB

Stake: — Shares: 4,127,987 Class: COMMON STOCK

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

136 filings by this filer

135 other filings in the data moat

Short Interest · settle 2026-06-30

DTC 1.61

677,047 shares short · -25.3% vs prior

Other 13D/G Filings on Q32 Bio Inc.

Filed	Form	Filer	Stake	Shares
2026-07-10	SCHEDULE 13G	Boxer Capital Management, LLC	—	—	view →
2026-06-04	SCHEDULE 13G	BIOTECHNOLOGY VALUE FUND L P	—	—	view →
2026-06-01	SCHEDULE 13D/A	ORBIMED ADVISORS LLC	—	4,127,987	view →
2026-05-28	SCHEDULE 13D/A	Atlas Venture Fund X, L.P.	3.60%	864,261	view →
2020-04-20	SC	Flynn James E	—	—	view →
2020-01-31	SC	Flynn James E	—	—	view →
2019-12-30	SC	Flynn James E	—	—	view →

Other Filings by ORBIMED ADVISORS LLC

Filed	Form	Issuer	Stake	Shares
2026-06-24	SCHEDULE 13D/A	Enliven Therapeutics, Inc. ELVN	—	6,774,507	view →
2026-06-17	SCHEDULE 13D/A	Enliven Therapeutics, Inc. ELVN	10.93%	7,634,630	view →
2026-06-15	SCHEDULE 13D/A	Shattuck Labs, Inc. STTK	—	9,021,127	view →
2026-06-01	SCHEDULE 13D/A	Q32 Bio Inc. QTTB	—	4,127,987	view →
2026-04-10	SCHEDULE 13D/A	Adicet Bio, Inc. ACET	8.80%	844,787	view →
2026-01-27	SCHEDULE	Corvus Pharmaceuticals, Inc. CRVS	10.30%	8,609,091	view →
2025-10-10	SCHEDULE	Adicet Bio, Inc. ACET	9.60%	14,772,598	view →
2025-09-30	SCHEDULE	MBX Biosciences, Inc. MBX	9.00%	4,002,887	view →
2025-07-21	SCHEDULE	Passage BIO, Inc. PASG	7.82%	243,878	view →
2025-05-14	SCHEDULE	Corvus Pharmaceuticals, Inc. CRVS	12.20%	9,785,423	view →
2025-04-11	SCHEDULE	Compass Therapeutics, Inc. CMPX	11.00%	15,219,994	view →
2025-01-29	SCHEDULE	Traws Pharma, Inc. TRAW	19.90%	760,824	view →
2024-11-12	SC	Third Harmonic Bio, Inc.	—	—	view →
2024-10-25	SC	TELA Bio, Inc. TELA	—	—	view →
2024-10-01	SC	TELA Bio, Inc. TELA	—	—	view →
2024-07-02	SC	TELA Bio, Inc. TELA	—	—	view →
2024-06-20	SC	Disc Medicine, Inc. IRON	—	—	view →
2024-04-12	SC	Passage BIO, Inc. PASG	—	—	view →
2024-01-29	SC	Adicet Bio, Inc. ACET	—	—	view →
2023-11-01	SC	Apollomics Inc. APLMW	—	—	view →

Showing 20 of 135

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