Adicet Bio, Inc. (ACET)

Accumulating

Strong institutional accumulation: ownership increased +62.32% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

66.67%

QoQ Change

+62.32%

Total Value

$42.8B

Shares Outstanding

9.6M

Crowding AnalysisCrowded

Holders48of 5,944

Avg: 68

Uncrowded82th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.25x

57th percentile

25 buying20 selling

+13

New

-12

Closed

-257,913

Net shares

Holding Period Distribution

estimate

Median: 2 QAvg: 1.7 QHolders: 48

Ownership Concentration

Top 5: 55.6%Top 10: 75.8%

RA CAPITAL MANAGEMENT, L.P.18.5%

ORBIMED ADVISORS16.1%

FRANKLIN RESOURCES9.8%

CITADEL ADVISORS6.0%

VANGUARD CAPITAL MANAGEMENT5.3%

Others (43)44.4%

Loading crowding analysis...

Conviction-Weighted Ownership

Median weight: 0.01%Avg weight: 0.13%Max: 0.76%High conviction (>1%): 0

RA CAPITAL MANAGEMENT, L.P.

ORBIMED ADVISORS

FRANKLIN RESOURCES

CITADEL ADVISORS

VANGUARD CAPITAL MANAGEMENT

Woodline Partners

ADAGE CAPITAL PARTNERS GP, L.L.C.

Prosight Management,

RENAISSANCE TECHNOLOGIES

Stonepine Capital Management,

Loading conviction analysis...

Whale Moves Timeline (1 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWCITADEL ADVISORS$3M382K shr

NEWVANGUARD CAPITAL MANAGEMENT$2M337K shr

SOLDWoodline Partners$2M312K shr

BOUGHTRA CAPITAL MANAGEMENT, L.P.$2M234K shr

SOLDRENAISSANCE TECHNOLOGIES$71K10K shr

Loading whale moves...

Institutional Trends (8 Quarters)

Loading ownership trends...

Institutional Holders

Loading top holders...