Nautilus Biotechnology, Inc. (NAUT)

Distributing

Strong institutional distribution: ownership decreased -3.36% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

42.80%

QoQ Change

-3.36%

Total Value

$204.3B

Shares Outstanding

127.1M

Crowding AnalysisCrowded

Holders82of 5,944

Avg: 68

Uncrowded85th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.65x

65th percentile

43 buying26 selling

+26

New

-11

Closed

-3,894,270

Net shares

Holding Period Distribution

estimate

Median: 3 QAvg: 3 QHolders: 82

Ownership Concentration

Top 5: 77.8%Top 10: 89.6%

a16z Capital Management, L.L.C.32.5%

PERCEPTIVE ADVISORS23.2%

Cercano Management13.2%

VANGUARD CAPITAL MANAGEMENT4.7%

Clearstead Advisors,4.3%

Others (77)22.2%

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Conviction-Weighted Ownership

Median weight: 0.25%Avg weight: 0.83%Max: 5.31%High conviction (>1%): 2

a16z Capital Management, L.L.C.

PERCEPTIVE ADVISORS

Cercano Management

VANGUARD CAPITAL MANAGEMENT

Clearstead Advisors,

Comprehensive Financial Management

AMAZON COM

MILLENNIUM MANAGEMENT

SENTINEL TRUST CO LBA

ACADIAN ASSET MANAGEMENT

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD CAPITAL MANAGEMENT$10M2.5M shr

NEWClearstead Advisors$9M2.3M shr

BOUGHTMILLENNIUM MANAGEMENT$983K253K shr

NEWACADIAN ASSET MANAGEMENT$3K741K shr

NEWSENTINEL TRUST CO LBA$1.5B750K shr

NEWMILLENNIUM MANAGEMENT$2M1.0M shr

BOUGHTVANGUARD GROUP$324K166K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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