ORBIMED ADVISORS LLC - 08 Oct 2025 SCHEDULE 13D/A Report for Adicet Bio, Inc. Common Stock, par value $0.0001 (ACET)

Filing Manager
ORBIMED ADVISORS LLC
Reporting Manager
ORBIMED ADVISORS LLC
Security
Adicet Bio, Inc. Common Stock, par value $0.0001
Symbol
ACET
Shares outstanding
153,881,229 shares
Disclosed Ownership
14,772,598 shares
Ownership
9.6%
Form type
SCHEDULE 13D/A
Filing time
10 Oct 2025, 19:55:51 UTC
Date of event
08 Oct 2025
SEC
View on sec.gov

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Quoteable Key Fact

"ORBIMED ADVISORS LLC disclosed 9.6% ownership in Adicet Bio, Inc. Common Stock, par value $0.0001 (ACET) on 08 Oct 2025."

Quick Takeaways

  • ORBIMED ADVISORS LLC filed SCHEDULE 13D/A for Adicet Bio, Inc. Common Stock, par value $0.0001 (ACET).
  • Disclosed ownership: 9.6%.
  • Date of event: 08 Oct 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 10 Oct 2025, 19:55.

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 (8)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ORBIMED ADVISORS LLC 9.6% 14,772,598 0 14,772,598 /s/ Carl L. Gordon Carl L. Gordon / Member 0001055951
ORBIMED CAPITAL GP VI LLC 2.9% 4,490,254 0 4,490,254 /s/ Carl L. Gordon Carl L. Gordon / Member of OrbiMed Advisors LLC 0001682115
ORBIMED CAPITAL GP V LLC 5.9% 9,026,359 0 9,026,359 /s/ Carl L. Gordon Carl L. Gordon / Member of OrbiMed Advisors LLC 0001615374
OrbiMed Genesis GP LLC 0.8% 1,255,985 0 1,255,985 /s/ Carl L. Gordon Carl L. Gordon / Member of OrbiMed Advisors LLC 0001808744
ORBIMED ADVISORS ISRAEL II LTD 0.4% 646,657 0 646,657 /s/ Carl L. Gordon Carl L. Gordon / Director 0001682093
ORBIMED ISRAEL GP II, L.P. 0.4% 646,657 0 646,657 /s/ Carl L. Gordon Carl L. Gordon / Director of OrbiMed Advisors Israel II Limited 0001682090
ORBIMED ISRAEL GP LTD. 0.7% 1,027,885 0 1,027,885 /s/ Carl L. Gordon Carl L. Gordon / Director 0001569590
ORBIMED ISRAEL BIOFUND GP LIMITED PARTNERSHIP 0.7% 1,027,885 0 1,027,885 /s/ Carl L. Gordon Carl L. Gordon / Director of OrbiMed Israel GP Ltd. 0001569821

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