AbCellera Biologics Inc. (ABCL)

Accumulating

Strong institutional accumulation: ownership increased +5.63% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

42.37%

QoQ Change

+5.63%

Total Value

$446.8B

Shares Outstanding

305.4M

Crowding AnalysisCrowded

Holders137of 5,944

Avg: 68

Uncrowded89th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.17x

73th percentile

75 buying64 selling

+20

New

-27

Closed

+19.5M

Net shares

Holding Period Distribution

estimate

Median: 3 QAvg: 3.2 QHolders: 137

Ownership Concentration

Top 5: 55.1%Top 10: 72.0%

BAKER BROS. ADVISORS23.4%

Capital World Investors10.3%

TWO SIGMA INVESTMENTS,8.2%

TD Waterhouse Canada7.4%

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS5.9%

Others (132)44.9%

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Conviction-Weighted Ownership

Median weight: 0.06%Avg weight: 0.14%Max: 0.61%High conviction (>1%): 0

BAKER BROS. ADVISORS

Capital World Investors

TWO SIGMA INVESTMENTS,

TD Waterhouse Canada

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS

Jefferies Financial Group

UBS Group AG

ArrowMark Colorado Holdings

BlackRock,

DRIEHAUS CAPITAL MANAGEMENT

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWTD Waterhouse Canada$34M9.6M shr

NEWJefferies Financial Group$19M5.5M shr

BOUGHTTWO SIGMA INVESTMENTS$17M4.8M shr

NEWUBS Group AG$15M4.2M shr

BOUGHTBAKER BROS. ADVISORS$10M2.8M shr

NEWUBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS$27M7.9M shr

NEWGOLDMAN SACHS GROUP$15M4.3M shr

NEWDRIEHAUS CAPITAL MANAGEMENT$13M3.8M shr

BOUGHTTWO SIGMA INVESTMENTS$2M636K shr

BOUGHTBlackRock$766K224K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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