Adicet Bio, Inc.
ACET- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001720580
No open-market purchases or sales by Adicet Bio, Inc. insiders were filed in the last 90 days; 56 institutions reported holding it in 13F filings for Q2 2026, worth $52.8M in total; no superinvestor holds it.
Holders of 5% or more of ACET
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Adicet Bio, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Tang Capital Management LLC | 13G/A | 9.90%8.22M shares | – | May 15, 20251 filing | May 15, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
1 Schedule 13D or 13G filing on Adicet Bio, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 20254:15 PM ET | Tang Capital Management LLCand 5 others | 13G/A | 9.90%8.22M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Adicet Bio, Inc. shares.
No Form 144 notices for Adicet Bio, Inc. are on file.