Aclaris Therapeutics

ACRS • NASDAQ

Aclaris Therapeutics is a medical - diagnostics & research company in the healthcare sector on NASDAQ, led by Neal Walker, with a market cap of $352.1M. As of Q3 2025, 79% of shares are held by 103 institutional investors, with BML Capital Management, LLC as the largest holder at 13.15%.

Chief Executive OfficerNeal Walker

Market Cap$352.1M

Medical - Diagnostics & Research

Healthcare

Employees91.0

Websiteaclaristx.com

Country

United States of America

Overview

Overview of institutional ownership in ACRS as of Q3 2025 with a market cap of $205.8M

All Institutions

Institutions: 103
Value Held: $162.8M
Shares Held: 85.7M
Avg Position: $1.6M
Median Position: $92.0K

Hedge Funds

Hedge Funds: 14
Value Held: $25.8M
Shares Held: 13.6M
Avg Position: $1.8M
Median Position: $704.7K

Ownership Breakdown

Institutional (non-HF)

66.58%

$137.0M

Hedge Funds

12.51%

$25.8M

Retail & Other

20.91%

$43.0M

Based on market cap of $205.8M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in ACRS as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BML Capital Management, LLC Institution	-	$27.1M 24.48% of portfolio	13.15% 14.3M shares	Q4 2023 Held for 1y 11m	$110.6M
Vivo Capital, LLC Venture Capital	Jack Bech Nielsen Managing Partner	$16.9M 1.36% of portfolio	8.21% 8.9M shares	Q4 2024 Held for 11 months	$1.2B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$12.4M 0.00% of portfolio	6.01% 6.5M shares	Q4 2015 Held for 9y 11m	$6.69T
B BlackRock, Inc. Institution	-	$10.8M 0.00% of portfolio	5.25% 5.7M shares	Q1 2016 Held for 9y 8m	$5.67T
A ADAGE CAPITAL PARTNERS GP LLC Institution	-	$10.0M 0.02% of portfolio	4.87% 5.3M shares	Q4 2024 Held for 11 months	$63.0B
Rock Springs Capital Management LP Hedge Fund•Sector	Nnamdi C Etoh CFO	$8.8M 0.51% of portfolio	4.25% 4.6M shares	Q4 2015 Held for 9y 11m	$1.7B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$7.7M 0.00% of portfolio	3.76% 4.1M shares	Q4 2015 Held for 9y 11m	$1.65T
Decheng Capital LLC Venture Capital	Xiangmin Nmn Cui Managing Partner	$7.7M 1.34% of portfolio	3.73% 4.0M shares	Q4 2024 Held for 11 months	$573.2M
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$4.5M 0.00% of portfolio	2.21% 2.4M shares	Q4 2015 Held for 9y 11m	$1.57T
D D. E. Shaw & Co., Inc. Institution	-	$4.5M 0.00% of portfolio	2.19% 2.4M shares	Q2 2023 Held for 2y 5m	$115.81B

Net Capital Flow

Institutional buying and selling activity for ACRS in Q3 2025

Traded: −$11.2M
Buyers: 42
Sellers: 45
Total Bought: +$10.4M
Total Sold: −$21.6M
Avg Position: $1.5M

Biggest Buyers

Institution	Net Bought	Current Position
AMERIPRISE FINANCIAL INC Institution	+$2.4M +1.3M shares	$2.4M 1.3M shares
GOLDMAN SACHS GROUP INC Institution	+$1.5M +799.5K shares	$1.8M 956.1K shares
Three Bridge Wealth Advisors, LLC RIA/Wealth	+$1.4M +714.8K shares	$1.4M 714.8K shares
MORGAN STANLEY RIA/Wealth	+$1.0M +537.1K shares	$7.7M 4.1M shares
A ADAR1 Capital Management, LLC Hedge Fund•Long/Short	+$710.0K +373.7K shares	$710.0K 373.7K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$548.9K +288.9K shares	$2.7M 1.4M shares
Connor, Clark & Lunn Investment Management Ltd. Long Only Manager	+$514.0K +270.5K shares	$2.0M 1.1M shares
P Palo Alto Investors, LLC Hedge Fund•Long/Short	+$335.9K +176.8K shares	$3.0M 1.6M shares
B BlackRock, Inc. Institution	+$335.3K +176.5K shares	$10.8M 5.7M shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$294.4K +155.0K shares	$3.1M 1.6M shares

Biggest Sellers

Institution	Net Sold	Current Position
A ADAGE CAPITAL PARTNERS GP LLC Institution	−$8.3M −4.3M shares	$10.0M 5.3M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$4.3M −2.3M shares	$3.0M 1.6M shares
Marshall Wace LLP Institution	−$1.1M −574.3K shares	$3.3M 1.7M shares
D D. E. Shaw & Co., Inc. Institution	−$811.4K −427.1K shares	$4.5M 2.4M shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	−$787.0K −414.2K shares	$665.2K 350.1K shares
FMR LLC Institution	−$763.6K −401.9K shares	$76.7K 40.4K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	−$725.0K −381.6K shares	$699.4K 368.1K shares
Logos Global Management LP Hedge Fund•Long/Short	−$665.0K −350.0K shares	$2.9M 1.5M shares
C CANTOR FITZGERALD, L. P. Institution	−$640.6K −451.1K shares	Sold Off 0 shares
S Stonepine Capital Management, LLC Institution	−$567.0K −298.4K shares	$366.5K 192.9K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited ACRS in Q3 2025

New Positions: 3
New Value: $1.4M
Exited Positions: 6
Exited Value: $1.3M

New Positions

Institution	Position Value
Three Bridge Wealth Advisors, LLC RIA/Wealth	$1.4M 714.8K shares
A AMERICAN CENTURY COMPANIES INC Institution	$60.4K 31.8K shares
Hartland & Co., LLC RIA/Wealth	$2.0 1.0 shares

Exited Positions

Institution	Previous Position
C CANTOR FITZGERALD, L. P. Institution	$640.6K 451.1K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$554.6K 390.6K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	$66.7K 47.0K shares
Caitong International Asset Management Co., Ltd RIA/Wealth	$1.8K 1.3K shares
FEDERATED INVESTORS INC /PA/ Long Only Manager	$1.3K 902.0 shares
S SIMPLEX TRADING, LLC Institution	$1.0K 1.3K shares

Options Activity

Institutions with the largest Call and Put options positions in ACRS as of Q3 2025

Call Positions: 0
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
No call positions found

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with ACRS as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
B BML Capital Management, LLC Institution	-	24.48% $27.1M	13.15% 14.3M shares	Q4 2023 Held for 1y 11m	$110.6M
Aldebaran Capital, LLC RIA/Wealth	Kenneth Richard Skarbeck President	1.73% $1.9M	0.91% 987.7K shares	Q2 2024 Held for 1y 5m	$108.4M
Vivo Capital, LLC Venture Capital	Jack Bech Nielsen Managing Partner	1.36% $16.9M	8.21% 8.9M shares	Q4 2024 Held for 11 months	$1.2B
Decheng Capital LLC Venture Capital	Xiangmin Nmn Cui Managing Partner	1.34% $7.7M	3.73% 4.0M shares	Q4 2024 Held for 11 months	$573.2M
P Palo Alto Investors, LLC Hedge Fund•Long/Short	Angela Elizabeth Nguyen-Dinh CCO	0.55% $3.0M	1.45% 1.6M shares	Q1 2024 Held for 1y 8m	$540.4M
Rock Springs Capital Management LP Hedge Fund•Sector	Nnamdi C Etoh CFO	0.51% $8.8M	4.25% 4.6M shares	Q4 2015 Held for 9y 11m	$1.7B
Three Bridge Wealth Advisors, LLC RIA/Wealth	Eric Thomas Thurber CIO	0.35% $1.4M	0.66% 714.8K shares	Q3 2025 Held for 2 months	$387.9M
S Stonepine Capital Management, LLC Institution	-	0.30% $366.5K	0.18% 192.9K shares	Q2 2024 Held for 1y 5m	$123.0M
Logos Global Management LP Hedge Fund•Long/Short	Graham Gordon Walmsley Managing Partner	0.29% $2.9M	1.38% 1.5M shares	Q4 2024 Held for 11 months	$987.5M
A Aisling Capital Management LP Private Equity	Steven Arnote Elms President	0.18% $825.5K	0.40% 434.5K shares	Q4 2018 Held for 6y 11m	$456.4M

Hedge Fund Spotlight

Discover hedge funds investing in ACRS

Rock Springs Capital Management LP

Hedge Fund • Sector

Portfolio ManagerNnamdi C Etoh

Portfolio Value: $1.7B
Positions: 91
Last Reported: Q3 2025

Sector Allocation

Position in Aclaris Therapeutics

Market Value: $8.8M
Shares Held: 4.6M
Portfolio Weight: 0.51%
Owned Since: 2015-Q4

Top Holding	Sector	Market Value	Weight
1 ARGX argenx ARGX	Unknown Unknown	$105.3M	6.18%
2 Eli Lilly LLY	Drug Manufacturers - General Healthcare	$80.4M	4.72%
3 Rhythm Pharmaceuticals, Inc. RYTM	Biotechnology Healthcare	$72.4M	4.25%

View full profile

Aclaris Therapeutics

Overview

All Institutions

Hedge Funds

Ownership Breakdown

Biggest Investors

Net Capital Flow

Biggest Buyers

Biggest Sellers

Entry and Exit Activity

New Positions

Exited Positions

Options Activity

Call Positions

Put Positions

Most Committed Institutions

Hedge Fund Spotlight

Position in Aclaris Therapeutics

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