Sensei Biotherapeutics, Inc. (SNSE)

Accumulating

Strong institutional accumulation: ownership increased +183.77% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

100.00%

QoQ Change

+183.77%

Total Value

$77.5B

Shares Outstanding

1.3M

Crowding AnalysisCrowded

Holders31of 5,944

Avg: 68

Uncrowded78th percentileCrowded

Institutional Activity

Buy/Sell Ratio8.67x

58th percentile

26 buying3 selling

+23

New

-2

Closed

+2.5M

Net shares

Holding Period Distribution

estimate

Median: 1 QAvg: 1.6 QHolders: 31

Ownership Concentration

Top 5: 66.3%Top 10: 86.6%

Vivo Capital,28.7%

Woodline Partners14.3%

Cormorant Asset Management,12.2%

MILLENNIUM MANAGEMENT5.8%

FRANKLIN RESOURCES5.3%

Others (26)33.7%

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Conviction-Weighted Ownership

Median weight: 0.15%Avg weight: 0.44%Max: 1.89%High conviction (>1%): 1

Vivo Capital,

Woodline Partners

Cormorant Asset Management,

MILLENNIUM MANAGEMENT

FRANKLIN RESOURCES

STEMPOINT CAPITAL

Caligan Partners

Trails Edge Capital Partners,

MARSHALL WACE, LLP

GOLDMAN SACHS GROUP

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Whale Moves Timeline (4 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVivo Capital$23M722K shr

NEWWoodline Partners$11M361K shr

NEWCormorant Asset Management$10M306K shr

NEWMILLENNIUM MANAGEMENT$5M147K shr

NEWFRANKLIN RESOURCES$4M134K shr

SOLDIkarian Capital$12K1K shr

BOUGHTRENAISSANCE TECHNOLOGIES$12K1K shr

SOLDBANK OF AMERICA CORP /DE$3K325 shr

NEWCITIGROUP$3K294 shr

SOLDSBI Securities Co.$2K145 shr

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Institutional Trends (5 Quarters)

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Institutional Holders

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