Cerus Corporation (CERS)

Highly Crowded

Held by 165 of 5,944 reporting institutions (90th percentile) — extremely crowded.

Data as of Q1 2026

Institutional Ownership

75.39%

QoQ Change

-0.53%

Total Value

$267.6B

Shares Outstanding

200.4M

Crowding AnalysisHighly Crowded

Holders165of 5,944

Avg: 68

Uncrowded90th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.18x

75th percentile

84 buying71 selling

+25

New

-17

Closed

+5.1M

Net shares

Holding Period Distribution

estimate

Median: 4 QAvg: 4.4 QHolders: 165

Ownership Concentration

Top 5: 46.1%Top 10: 61.5%

BlackRock,14.3%

ARK Investment Management12.7%

Soleus Capital Management, L.P.7.1%

BAKER BROS. ADVISORS6.6%

VANGUARD CAPITAL MANAGEMENT5.4%

Others (160)53.9%

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Conviction-Weighted Ownership

Median weight: 0.06%Avg weight: 0.14%Max: 0.79%High conviction (>1%): 0

BlackRock,

ARK Investment Management

Soleus Capital Management, L.P.

BAKER BROS. ADVISORS

VANGUARD CAPITAL MANAGEMENT

WASATCH ADVISORS

GEODE CAPITAL MANAGEMENT,

Amova Asset Management Americas,

Sumitomo Mitsui Trust Group,

SILVERCREST ASSET MANAGEMENT GROUP

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD CAPITAL MANAGEMENT$15M8.1M shr

BOUGHTSoleus Capital Management, L.P.$12M6.8M shr

BOUGHTARK Investment Management$2M961K shr

SOLDSILVERCREST ASSET MANAGEMENT GROUP$809K444K shr

SOLDBlackRock$625K343K shr

NEWSoleus Capital Management, L.P.$8M4.0M shr

SOLDSumitomo Mitsui Trust Group$2M975K shr

SOLDAmova Asset Management Americas$2M975K shr

BOUGHTBlackRock$2M939K shr

SOLDARK Investment Management$1M650K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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