Vault-13

ADICET BIO INC

COM · CUSIP 007002108

0 institutional holders -1 vs Q1 2026
—reported value*
0 new 0 added 0 reduced 1 sold out net sold ≈ $412.1k (-60.5k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 102Q4 22: 101Q1 23: 108Q2 23: 96Q3 23: 85Q4 23: 78Q1 24: 99Q2 24: 87Q3 24: 65Q4 24: 65Q1 25: 57Q2 25: 50Q3 25: 54Q4 25: 1Q1 26: 1Q2 26: 00Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 2022102
Q4 2022101
Q1 2023108
Q2 202396
Q3 202385
Q4 202378
Q1 202499
Q2 202487
Q3 202465
Q4 202465
Q1 202557
Q2 202550
Q3 202554
Q4 20251
Q1 20261
Q2 20260

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 23 bought or addedQ3 24: 51 cut or sold outQ4 24: 19 bought or addedQ4 24: 31 cut or sold outQ4 24Q1 25: 17 bought or addedQ1 25: 33 cut or sold outQ2 25: 22 bought or addedQ2 25: 31 cut or sold outQ2 25Q3 25: 26 bought or addedQ3 25: 18 cut or sold outQ4 25: 0 bought or addedQ4 25: 54 cut or sold outQ4 25Q1 26: 0 bought or addedQ1 26: 0 cut or sold outQ2 26: 0 bought or addedQ2 26: 1 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20242351
Q4 20241931
Q1 20251733
Q2 20252231
Q3 20252618
Q4 2025054
Q1 202600
Q2 202601

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$200$400$600$800Q3 25 calls: $648Q3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —Q1 26 calls: $0Q1 26 puts: $0Q1 26P/C —Q2 26 calls: $0Q2 26 puts: $0Q2 26P/C —
Numbers
QuarterCallsPutsP/C
Q3 2025$648$00.00
Q4 2025$0$0—
Q1 2026$0$0—
Q2 2026$0$0—

Biggest buyers

None

Biggest sellers

REGENERON PHARMACEUTICALS, INC. Sold out -60,511-60.5k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
TANG CAPITAL MANAGEMENT LLC 13G · passive investor filed 2025-05-15 9.9% 8.2m 2025-05-15
ORBIMED ADVISORS LLC 13D · may seek influence -0.8 pts · filed 2026-04-10
Stated purposeThe Reporting Persons from time to time intend to review their investment in the Issuer on the basis of various factors, including the Issuer's business, financial condition, results of operations and prospects, general economic and industry conditions, the securities markets in general and those for the Issuer's Shares in particular, as well as other developments and other investment opportunities. Based upon such review, the Reporting Persons will take such actions in the future as the Reporting Persons may deem appropriate in light of the circumstances existing from time to time. If the Reporting Persons believe that further investment in the Issuer is attractive, whether because of the market price of Shares or otherwise, they may acquire Shares or other securities of the Issuer either… Full filing
 8.8% -0.8 pts 844.8k 2026-04-10

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change