Vault-13

ADICET BIO INC

COM · CUSIP 007002108

50 institutional holders -7 vs Q1 2025
51,603,83151.6m shares reported held*
$31.5mreported value*
10 new 12 added 15 reduced 16 sold out net sold ≈ $2.4m (-4.2m 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. Implied quarter-end price ≈ $0.61. Options: 4 managers hold calls ($17.3k notional), 1 hold puts ($0).

Trends to Q2 2025

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: 5050Q3 22Q2 23Q1 24Q4 24Q2 25
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

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 23: 43 bought or addedQ3 23: 45 cut or sold outQ4 23: 36 bought or addedQ4 23: 38 cut or sold outQ4 23Q1 24: 70 bought or addedQ1 24: 24 cut or sold outQ2 24: 45 bought or addedQ2 24: 56 cut or sold outQ2 24Q3 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 25
Numbers
QuarterBought or addedCut or sold out
Q3 20234345
Q4 20233638
Q1 20247024
Q2 20244556
Q3 20242351
Q4 20241931
Q1 20251733
Q2 20252231

Calls vs puts

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

CallsPuts
$0$20k$40k$60kQ3 24 calls: $6.5kQ3 24 puts: $18.3kQ3 24P/C 2.82Q4 24 calls: $26.6kQ4 24 puts: $52.2kQ4 24P/C 1.96Q1 25 calls: $34.0kQ1 25 puts: $14.1kQ1 25P/C 0.42Q2 25 calls: $17.3kQ2 25 puts: $0Q2 25P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2024$6.5k$18.3k2.82
Q4 2024$26.6k$52.2k1.96
Q1 2025$34.0k$14.1k0.42
Q2 2025$17.3k$00.00

Biggest buyers

Schonfeld Strategic Advisors LLC New +1,880,095+1.9m
RENAISSANCE TECHNOLOGIES LLC Added +343,116+343.1k
LUMINUS MANAGEMENT LLC New +289,935+289.9k
BARCLAYS PLC New +150,000+150.0k
WEALTHEDGE INVESTMENT ADVISORS, LLC Added +85,307+85.3k
MORGAN STANLEY Added +70,543+70.5k
VANGUARD GROUP INC Added +66,640+66.6k
Abacus Planning Group, Inc. New +36,764+36.8k
ACADIAN ASSET MANAGEMENT LLC Added +35,280+35.3k
XTX Topco Ltd New +23,580+23.6k

Biggest sellers

Aquilo Capital Management, LLC Sold out -2,456,194-2.5m
Blackstone Inc. Sold out -1,236,453-1.2m
CITADEL ADVISORS LLC Reduced -788,305-788.3k
MILLENNIUM MANAGEMENT LLC Reduced -631,542-631.5k
Stonepine Capital Management, LLC Sold out -508,266-508.3k
D. E. Shaw & Co., Inc. Reduced -483,270-483.3k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Sold out -457,722-457.7k
BlackRock, Inc. Reduced -149,580-149.6k
DIMENSIONAL FUND ADVISORS LP Reduced -90,546-90.5k
GOLDMAN SACHS GROUP INC Reduced -64,458-64.5k

Biggest calls

CITADEL ADVISORS LLC Reduced $16.6k27.2k shares
GROUP ONE TRADING LLC Reduced $6711.1k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares
SIMPLEX TRADING, LLC Reduced $0100 shares

Biggest puts

CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

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 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 ORBIMED ADVISORS LLC 0.18% of their portfolio New York, NY 11,447,14011.4m $7.0m $7.0m 0.18% Unchanged
2 TANG CAPITAL MANAGEMENT LLC 0.25% of their portfolio SAN DIEGO, CA 8,223,6128.2m $5.0m $5.0m 0.25% Unchanged
3 RA CAPITAL MANAGEMENT, L.P. 0.08% of their portfolio BOSTON, MA 7,541,0007.5m $4.6m $4.6m 0.08% Unchanged
4 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 3,752,0983.8m $2.3m $2.3m 0.00% Reduced -64.5k -64,458
5 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 3,272,5223.3m $2.0m $2.0m 0.00% Added +66.6k +66,640
6 Carlyle Group Inc. 0.04% of their portfolio WASHINGTON, DC 2,948,7182.9m $1.8m $1.8m 0.04% Unchanged
7 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 2,074,6042.1m $1.3m $1.3m 0.00% Added +35.3k +35,280
8 Schonfeld Strategic Advisors LLC 0.01% of their portfolio NEW YORK, NY 1,880,0951.9m $1.1m $1.1m 0.01% New
9 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 1,153,8161.2m $703.8k $703.8k 0.00% Added +343.1k +343,116
10 REGENERON PHARMACEUTICALS, INC. 0.04% of their portfolio TARRYTOWN, NY 968,183968.2k $590.6k $590.6k 0.04% Unchanged
11 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 901,600901.6k $550.0k $550.0k 0.01% Unchanged
12 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 706,334706.3k $431.0k $431.0k 0.00% Reduced -64.4k -64,369
13 Alyeska Investment Group, L.P. 0.00% of their portfolio CHICAGO, IL 655,665655.7k $400.0k $400.0k 0.00% Unchanged
14 RBF Capital, LLC 0.02% of their portfolio RENO, NV 617,319617.3k $376.6k $376.6k 0.02% Unchanged
15 BlackRock, Inc. 0.00% of their portfolio New York, NY 599,487599.5k $365.7k $365.7k 0.00% Reduced -149.6k -149,580
16 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 592,327592.3k $361.3k $361.3k 0.00% Reduced -631.5k -631,542
17 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 566,039566.0k $345.3k $345.3k 0.00% Reduced -56.8k -56,800
18 DAFNA Capital Management LLC 0.09% of their portfolio LOS ANGELES, CA 540,000540.0k $329.4k $329.4k 0.09% Reduced -60.0k -60,000
19 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 512,807512.8k $312.8k $312.8k 0.00% Added +17.8k +17,829
20 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 460,406460.4k $280.8k $280.8k 0.00% Reduced -788.3k -788,305
21 JOHNSON & JOHNSON 0.07% of their portfolio NEW BRUNSWICK, NJ 364,472364.5k $228.0k $228.0k 0.07% Unchanged
22 WEALTHEDGE INVESTMENT ADVISORS, LLC 0.08% of their portfolio NEW YORK, NY 313,108313.1k $191.0k $191.0k 0.08% Added +85.3k +85,307
23 LUMINUS MANAGEMENT LLC 0.05% of their portfolio HOUSTON, TX 289,935289.9k $176.9k $176.9k 0.05% New
24 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 246,921246.9k $150.6k $150.6k 0.00% Unchanged
25 FMR LLC 0.00% of their portfolio BOSTON, MA 244,778244.8k $149.3k $149.3k 0.00% Reduced -4.2k -4,212
26 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 150,000150.0k $91.5k $91.5k 0.00% New
27 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 140,373140.4k $85.6k $85.6k 0.00% Unchanged
28 Vontobel Holding Ltd. 0.00% of their portfolio ZURICH, V8 80,00080.0k $48.8k $48.8k 0.00% Added +20.0k +20,000
29 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 72,22672.2k $44.1k $44.1k 0.00% Added +70.5k +70,543
30 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 57,26857.3k $34.9k $34.9k 0.00% Reduced -90.5k -90,546
31 Abacus Planning Group, Inc. 0.00% of their portfolio COLUMBIA, SC 36,76436.8k $22.4k $22.4k 0.00% New
32 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 30,00030.0k $18.3k $18.3k 0.00% Unchanged
33 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 29,05929.1k $17.7k $17.7k 0.00% Added +10.8k +10,771
34 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 23,58023.6k $14.4k $14.4k 0.00% New
35 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 22,19922.2k $13.5k $13.5k 0.00% Reduced -483.3k -483,270
36 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 20,63520.6k $12.6k $12.6k 0.00% Added +94 +94
37 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 19,95720.0k $12.2k $12.2k 0.00% Reduced -33.9k -33,877
38 UBS Group AG 0.00% of their portfolio ZURICH, V8 18,50818.5k $11.3k $11.3k 0.00% Reduced -45.5k -45,531
39 LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 0.00% of their portfolio Englewood, NJ 17,84617.8k $10.9k $10.9k 0.00% New
40 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 3,7523.8k $2.3k $2.3k 0.00% New
41 HOLLENCREST CAPITAL MANAGEMENT 0.00% of their portfolio NEWPORT BEACH, CA 2,0002.0k $1.2k $1.2k 0.00% Added +1.1k +1,100
42 TOTH FINANCIAL ADVISORY CORP 0.00% of their portfolio LEESBURG, VA 1,6001.6k $976 $976 0.00% New
43 Riggs Asset Managment Co. Inc. 0.00% of their portfolio DALLAS, PA 1,1221.1k $685 $685 0.00% New
44 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 896896 $547 $547 0.00% Added +2 +2
45 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 822822 $501 $501 0.00% Added +58 +58
46 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 771771 $470 $470 0.00% Reduced -399 -399
47 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 708708 $432 $432 0.00% Reduced -1.6k -1,582
48 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 583583 $0 $0 0.00% Reduced -1.3k -1,272
49 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 176176 $0 $0 0.00% New
50 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged