Aclaris Therapeutics Ownership | Who Owns Aclaris Therapeutics?

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Aclaris Therapeutics Ownership Summary

Aclaris Therapeutics is owned by 19.92% institutional investors, 2.69% insiders, and 77.39% retail investors. Bml capital management is the largest institutional shareholder, holding 11.62% of ACRS shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.93% of its assets in Aclaris Therapeutics shares.

ACRS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Aclaris Therapeutics	19.92%	2.69%	77.39%
Sector	Healthcare Stocks	42.50%	10.81%	46.69%
Industry	Diagnostics & Research Stocks	45.39%	10.59%	44.03%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Bml capital management	14.25M	11.63%	$27.07M
Vivo capital	8.89M	7.25%	$16.89M
Vanguard group	6.52M	5.32%	$12.38M
Blackrock funding, inc. /de	5.69M	4.64%	$10.81M
D. e. shaw	3.29M	4.61%	$8.17M
Adage capital partners gp	5.28M	4.31%	$10.03M
Rock springs capital management lp	4.61M	3.76%	$8.76M
Morgan stanley	4.08M	3.33%	$7.75M
Decheng capital	4.04M	3.30%	$7.68M
Blackrock	2.03M	2.86%	$2.24M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bml capital management	14.25M	24.79%	$27.07M
Aldebaran capital	987.70K	1.72%	$1.88M
Vivo capital	8.89M	1.36%	$16.89M
Decheng capital	4.04M	1.34%	$7.68M
Palo alto investors lp	1.57M	0.55%	$2.98M
Rock springs capital management lp	4.61M	0.51%	$8.76M
Three bridge wealth advisors	714.82K	0.35%	$1.36M
Stonepine capital management	192.90K	0.30%	$366.51K
Logos global management lp	1.50M	0.26%	$2.85M
Aisling capital management lp	434.45K	0.18%	$825.47K

Top Buyers

Holder	Shares	% Assets	Change
Ameriprise financial	1.28M	0.00%	1.28M
Goldman sachs group	956.05K	0.00%	799.48K
Three bridge wealth advisors	714.82K	0.35%	714.82K
Morgan stanley	4.08M	0.00%	537.05K
Adar1 capital management	373.68K	0.07%	373.68K

Top Sellers

Holder	Shares	% Assets	Change
Ra capital management	-	-	-4.67M
Adage capital partners gp	5.28M	0.02%	-4.35M
Blackrock	2.03M	0.00%	-3.17M
Janus henderson group	-	-	-2.80M
Samsara biocapital	-	-	-2.39M

New Positions

Holder	Shares	% Assets	Change	Value
Ameriprise financial	1.28M	0.00%	1.28M	$2.43B
Three bridge wealth advisors	714.82K	0.35%	714.82K	$1.36M
Adar1 capital management	373.68K	0.07%	373.68K	$710.00K
Panagora asset management	45.59K	0.00%	45.59K	$86.61K
American century companies	31.79K	-	31.79K	$60.40K

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-14.00
Innealta capital	-56.00
Cornerstone planning group	-580.00
Federated hermes	-902.00
Simplex trading	-1.34K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	28	-68.89%	24,422,115	-71.00%	19	0.42%	8	-84.62%	11	-54.17%
Jun 30, 2025	95	-12.04%	91,849,906	7.52%	74	1.54%	56	-9.68%	25	-
Mar 31, 2025	110	6.80%	92,692,478	5.96%	75	0.50%	62	6.90%	26	4.00%
Dec 31, 2024	103	28.75%	87,478,919	71.89%	122	2.41%	58	81.25%	25	-
Sep 30, 2024	80	-15.79%	50,891,462	-3.68%	71	1.29%	33	-19.51%	25	-32.43%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	3.18M	2.93%	-70.07K
Vanguard US Total Market Shares ETF	2.12M	1.96%	-
iShares Russell 2000 ETF	1.82M	1.68%	-
Vanguard Institutional Extnd Mkt Idx Tr	1.22M	1.13%	-555.76K
Xtrackers S&P 500 Swap ETF 1C	923.31K	0.85%	-
Fidelity Small Cap Index	905.29K	0.84%	905.29K
iShares Russell 2000 Value ETF	787.25K	0.73%	-
SQUAD Aguja Opportunities I	500.00K	0.70%	-
Vanguard Strategic Small-Cap Equity Inv	592.57K	0.55%	-
Fidelity Extended Market Index	579.30K	0.53%	-4.77K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 19, 2024	Mehra Anand	-	Buy	$1.50M
Aug 05, 2024	Leonard Braden Michael	-	Buy	$256.36K
Aug 02, 2024	Leonard Braden Michael	-	Buy	$216.40K
Jul 30, 2024	Leonard Braden Michael	-	Buy	$226.37K
Jul 31, 2024	Leonard Braden Michael	-	Buy	$132.64K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	-
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	-
2024 Q4	1	-

ACRS Ownership FAQ

Who Owns Aclaris Therapeutics?

Aclaris Therapeutics shareholders are primarily institutional investors at 19.92%, followed by 2.69% insiders and 77.39% retail investors. The average institutional ownership in Aclaris Therapeutics's industry, Diagnostics & Research Stocks, is 45.39%, which Aclaris Therapeutics falls below.

Who owns the most shares of Aclaris Therapeutics?

Aclaris Therapeutics’s largest shareholders are Bml capital management (14.25M shares, 11.62%), Vivo capital (8.89M shares, 7.25%), and Vanguard group (6.52M shares, 5.32%). Together, they hold 24.19% of Aclaris Therapeutics’s total shares outstanding.

Does Blackrock own Aclaris Therapeutics?

Yes, BlackRock owns 2.86% of Aclaris Therapeutics, totaling 2.03M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 2.24M$. In the last quarter, BlackRock decreased its holdings by -3.17M shares, a -60.94% change.

Who is Aclaris Therapeutics’s biggest shareholder by percentage of total assets invested?

Bml capital management is Aclaris Therapeutics’s biggest shareholder by percentage of total assets invested, with 24.79% of its assets in 14.25M Aclaris Therapeutics shares, valued at 27.08M$.

Who is the top mutual fund holder of Aclaris Therapeutics shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Aclaris Therapeutics shares, with 2.93% of its total shares outstanding invested in 3.18M Aclaris Therapeutics shares.

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