aTyr Pharma, Inc. (ATYR)

Accumulating

Institutional accumulation: ownership increased +1.03% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

58.05%

QoQ Change

+1.03%

Total Value

$43.0B

Shares Outstanding

98.1M

Crowding AnalysisCrowded

Holders112of 5,944

Avg: 68

Uncrowded87th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.5x

70th percentile

63 buying42 selling

+36

New

-10

Closed

+1.0M

Net shares

Holding Period Distribution

estimate

Median: 3 QAvg: 2.3 QHolders: 112

Ownership Concentration

Top 5: 69.1%Top 10: 84.4%

FMR25.8%

FEDERATED HERMES,18.5%

BlackRock,11.3%

UBS Group AG6.8%

VANGUARD CAPITAL MANAGEMENT6.7%

Others (107)30.9%

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Conviction-Weighted Ownership

Median weight: 0.00%Avg weight: 0.01%Max: 0.08%High conviction (>1%): 0

VANGUARD CAPITAL MANAGEMENT

GEODE CAPITAL MANAGEMENT,

STATE STREET

GSA CAPITAL PARTNERS LLP

MILLENNIUM MANAGEMENT

MORGAN STANLEY

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD CAPITAL MANAGEMENT$3M3.8M shr

BOUGHTUBS Group AG$2M2.2M shr

NEWMILLENNIUM MANAGEMENT$1M1.6M shr

SOLDMORGAN STANLEY$138K178K shr

SOLDBlackRock$83K106K shr

NEWGSA CAPITAL PARTNERS LLP$2.1B2.6M shr

SOLDUBS Group AG$2M2.9M shr

SOLDSTATE STREET$2M2.5M shr

NEWMORGAN STANLEY$1M1.4M shr

SOLDVANGUARD GROUP$524K669K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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