Stock Ownership/ACRS

ACLARIS THERAPEUTICS INC (ACRS): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ACRS · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
15
13F filers
Aggregate Value
$66.0M
Across holders
Last Price
$6.31
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity8 increased6 reduced2 exited
Full exits: MARSHALL WACE, LLP, Qube Research & Technologies Ltd
Institutional Holders of ACRS
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund4.07M$21.5M32.6%0.0%Added+$1.1MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund2.02M$10.7M16.2%0.0%Reduced$-7.1MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.76M$9.3M14.1%0.0%Reduced$-10.0MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund1.61M$8.5M12.9%0.0%Added+$664KQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund818K$4.3M6.5%0.0%Added+$1.7MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund524K$2.8M4.2%0.0%Reduced$-1.2MQ2 2026
ORBIMED ADVISORS LLC
CIK 0001055951
Hedge Fund422K$2.2M3.4%0.0%Added—Q2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund414K$2.2M3.3%0.0%Reduced$-2.6MQ2 2026
Tetragon Partners GP Ltd
CIK 0001515070
Hedge Fund400K$2.1M3.2%0.3%Added—Q2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund133K$704K1.1%0.0%Reduced$-1.4MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$21.5M· 32.6% of total· 0.0% port· 4.07M sh· +$1.1M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$10.7M· 16.2% of total· 0.0% port· 2.02M sh· $-7.1M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$9.3M· 14.1% of total· 0.0% port· 1.76M sh· $-10.0M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$8.5M· 12.9% of total· 0.0% port· 1.61M sh· +$664K QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$4.3M· 6.5% of total· 0.0% port· 818K sh· +$1.7M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$2.8M· 4.2% of total· 0.0% port· 524K sh· $-1.2M QoQ· Q2 2026
ORBIMED ADVISORS LLCAdded
Hedge Fund
$2.2M· 3.4% of total· 0.0% port· 422K sh· — QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$2.2M· 3.3% of total· 0.0% port· 414K sh· $-2.6M QoQ· Q2 2026
Tetragon Partners GP LtdAdded
Hedge Fund
$2.1M· 3.2% of total· 0.3% port· 400K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$704K· 1.1% of total· 0.0% port· 133K sh· $-1.4M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$635K· 1.0% of total· 0.0% port· 120K sh· +$546K QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$518K· 0.8% of total· 0.0% port· 98K sh· — QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$319K· 0.5% of total· 0.0% port· 60K sh· $-1.2M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$104K· 0.2% of total· 0.0% port· 20K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Unchanged
Hedge Fund
$32K· 0.0% of total· 0.0% port· 6K sh· $-19K QoQ· Q2 2026
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