Security Snapshot

Adicet Bio, Inc. - Common Stock, par value $0.0001 (ACET) Institutional Ownership

CUSIP: 007002108

13F Institutional Holders and Ownership History from Q3 2020 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

1

Shares (Excl. Options)

60,511

Price

$6.81

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Latest holder snapshot 3 signals
Share change
0
Number of holders
1
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
9,599,852
SEC-reported price per share
$6.81
Insider filing price
$6.81
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • ACET - Adicet Bio, Inc. - Common Stock, par value $0.0001 is tracked under CUSIP 007002108.
  • 1 institution reported positions in Q1 2026.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 1 to 1 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $509,503 to $412,080.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 1 institution filings for Q1 2026.

Open SEC evidence

Security key

007002108

Latest holder period

Q1 2026

13F holders

1

13D/G owners

2

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
2
Security
ACET
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
TANG CAPITAL MANAGEMENT LLC 9.9% $6,208,827 8,223,612 TANG CAPITAL MANAGEMENT, LLC 31 Mar 2025
ORBIMED ADVISORS LLC 8.8% -8% $7,113,107 -$117,272,169 844,787 -94% ORBIMED ADVISORS LLC 08 Apr 2026

As of 31 Mar 2026, 1 institutional investors reported holding 60,511 shares of Adicet Bio, Inc. - Common Stock, par value $0.0001 (ACET). This represents 0.63% of the company’s total 9,599,852 outstanding shares.

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
23
Latest
Q1 2026
Rows shown
1-23 of 23
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 60,511 $412,080 $6.81 1
2025 Q4 60,511 $509,503 -$48,502,668 $8.42 1
2025 Q3 51,335,037 $41,591,047 -$36,555 $0.81 53
2025 Q2 51,603,071 $31,484,026 -$3,114,221 $0.61 47
2025 Q1 55,856,035 $42,041,103 -$1,434,569 $0.76 56
2024 Q4 57,616,208 $55,430,722 -$613,083 $0.96 61
2024 Q3 57,126,257 $82,259,457 -$8,520,911 $1.44 62
2024 Q2 63,950,445 $77,407,916 -$23,984,627 $1.21 83
2024 Q1 75,135,656 $176,537,613 +$98,192,610 $2.35 96
2023 Q4 33,363,531 $63,033,300 -$3,182,870 $1.89 76
2023 Q3 35,675,697 $48,851,768 -$4,181,891 $1.37 83
2023 Q2 37,121,626 $90,180,708 -$28,161,740 $2.43 92
2023 Q1 40,249,929 $231,250,449 -$1,583,181 $5.76 105
2022 Q4 42,143,638 $376,757,638 -$18,208,642 $8.94 100
2022 Q3 41,668,911 $592,464,001 +$53,381,880 $14.22 98
2022 Q2 37,871,013 $553,032,820 +$48,530,334 $14.60 97
2022 Q1 33,013,038 $659,188,374 +$43,094,111 $19.97 82
2021 Q4 30,385,666 $531,158,057 +$190,514,360 $17.49 78
2021 Q3 19,920,035 $156,119,000 -$14,652,181 $7.84 54
2021 Q2 21,191,598 $218,012,000 +$7,951,899 $10.29 60
2021 Q1 20,347,324 $265,987,000 +$141,427,052 $13.08 50
2020 Q4 9,536,513 $133,985,000 +$6,730,351 $14.05 39
2020 Q3 9,051,029 $107,615,000 +$107,615,000 $11.89 28
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