Aclaris Therapeutics, Inc. (ACRS)

Accumulating

Strong institutional accumulation: ownership increased +8.31% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

78.32%

QoQ Change

+8.31%

Total Value

$401.8B

Shares Outstanding

139.7M

Crowding AnalysisCrowded

Holders133of 5,944

Avg: 68

Uncrowded89th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.29x

73th percentile

75 buying58 selling

+33

New

-18

Closed

+25.2M

Net shares

Holding Period Distribution

estimate

Median: 3 QAvg: 3.1 QHolders: 133

Ownership Concentration

Top 5: 40.7%Top 10: 61.2%

BML Capital Management,13.0%

Deep Track Capital,8.5%

BlackRock,6.8%

RA CAPITAL MANAGEMENT, L.P.6.2%

Vivo Capital,6.1%

Others (128)59.3%

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Conviction-Weighted Ownership

Median weight: 0.52%Avg weight: 4.10%Max: 34.31%High conviction (>1%): 3

BML Capital Management,

Deep Track Capital,

BlackRock,

RA CAPITAL MANAGEMENT, L.P.

Vivo Capital,

VANGUARD CAPITAL MANAGEMENT

Frazier Life Sciences Management, L.P.

Rock Springs Capital Management

Decheng Capital

ADAGE CAPITAL PARTNERS GP, L.L.C.

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWDeep Track Capital$35M9.3M shr

NEWRA CAPITAL MANAGEMENT, L.P.$26M6.8M shr

NEWVANGUARD CAPITAL MANAGEMENT$19M5.2M shr

NEWFrazier Life Sciences Management, L.P.$18M4.9M shr

SOLDVivo Capital$8M2.2M shr

NEWCITADEL ADVISORS$7M2.3M shr

SOLDADAGE CAPITAL PARTNERS GP, L.L.C.$6M1.9M shr

BOUGHTBlackRock$3M1.1M shr

SOLDMORGAN STANLEY$2M662K shr

SOLDRock Springs Capital Management$468K156K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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