Aclaris Therapeutics ACRS Institutional Ownership

NASDAQ ACRS

$5.01 -0.25 (-4.66%)

As of: Oct 1, 2026 · 10:11 AM EDT

Institutions by Trading Activity

150 Institutions

Increased 95 63.3%

Unchanged 23 15.3%

Reduced 32 21.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

83.71%

▼-0.69 pp QoQ

Shares Held by Institutions

119.49Mn

of 142.74Mn outstanding

▲+12.03% QoQ

Shares Outstanding

142.74Mn

23.25Mn held outside 13F filers

Institutional Investors

150

filed 13F for Jun 2026

▲+14 vs prior quarter

Net Shares Added (QoQ)

+12.83Mn

accumulated since last quarter

Value of Holdings

$628.51Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Aclaris Therapeutics, Inc. (NASDAQ:ACRS) showed up in the 13F filings of 150 institutional investors as of June 2026.

They owned 83.7% of outstanding stock in June 2026, down from 84.4% the prior quarter.
They increased total shares held in ACRS by 12.03% quarter over quarter, and investors in Aclaris Therapeutics increased 61.29% from a year ago.
Among the 150 funds, 95 bought more Aclaris Therapeutics shares, 32 sold down, and 23 held their ground.
In total, institutional investors held 119.49Mn shares in Aclaris Therapeutics as of June 2026, up by 12.83Mn shares quarter on quarter, and up 33.66Mn shares year over year.
As of June 30, 2026, RA CAPITAL MANAGEMENT, L.P. held the largest stake in Aclaris Therapeutics with 12.72Mn shares, accounting for 8.91% of total shares outstanding.
The biggest buyers of Aclaris Therapeutics for the quarter ending June 2026 included RA CAPITAL MANAGEMENT, L.P. (5.92Mn), BlackRock, Inc. (2.63Mn), SILVERARC CAPITAL MANAGEMENT, LLC (1.95Mn), Jones Hill Capital LP (1.76Mn), State Street Corp (1.25Mn).
Leading sellers of Aclaris Therapeutics shares for the quarter ending June 2026 were Morgan Stanley (2.61Mn), BML Capital Management, LLC (2.28Mn), BALYASNY ASSET MANAGEMENT L.P. (1.34Mn), CITADEL ADVISORS LLC (487.24K), D. E. Shaw & Co., Inc. (486.3K).
Per Business Quant, the top 10 investors in ACRS for the quarter ending June 2026 include RA CAPITAL MANAGEMENT, L.P. (12.72Mn), BML Capital Management, LLC (11.98Mn), BlackRock, Inc. (10.04Mn), Deep Track Capital, LP (9.34Mn), Vivo Capital, LLC (6.69Mn), VANGUARD CAPITAL MANAGEMENT LLC (5.82Mn), Frazier Life Sciences Management, L.P. (4.93Mn), Rock Springs Capital Management LP (4.33Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (4.07Mn), Decheng Capital LLC (4.04Mn).

Form 13F Holdings

150 Institutional Holders

Report period 30 Jun, 2026

Total shares held 119.49Mn

Of outstanding 83.71%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	RA CAPITAL MANAGEMENT, L.P.	0001346824	12,723,026	8.91%	▲5,918,954	+86.99%	$67.30Mn
2	BML Capital Management, LLC	0001616824	11,975,000	8.39%	▼2,275,000	-15.96%	$63.35Mn
3	BlackRock, Inc.	0002012383	10,037,008	7.03%	▲2,629,943	+35.51%	$53.10Mn
4	Deep Track Capital, LP	0001856083	9,345,000	6.55%	0	0.00%	$49.44Mn
5	Vivo Capital, LLC	0001674712	6,694,637	4.69%	▲27,971	+0.42%	$35.41Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	5,817,866	4.08%	▲650,397	+12.59%	$30.78Mn
7	Frazier Life Sciences Management, L.P.	0001892134	4,925,374	3.45%	0	0.00%	$26.06Mn
8	Rock Springs Capital Management LP	0001595725	4,330,532	3.03%	▼142,118	-3.18%	$22.91Mn
9	ADAGE CAPITAL PARTNERS GP, L.L.C.	0001165408	4,071,000	2.85%	▲200,000	+5.17%	$21.54Mn
10	Decheng Capital LLC	0002010850	4,041,736	2.83%	0	0.00%	$21.38Mn
11	State Street Corp	0000093751	3,255,340	2.28%	▲1,246,594	+62.06%	$17.22Mn
12	GEODE CAPITAL MANAGEMENT, LLC	0001214717	3,190,058	2.23%	▲766,367	+31.62%	$16.88Mn
13	BRAIDWELL LP	0001920938	2,142,348	1.50%	▲443,232	+26.09%	$11.33Mn
14	BALYASNY ASSET MANAGEMENT L.P.	0001218710	2,023,470	1.42%	▼1,337,858	-39.80%	$10.70Mn
15	SILVERARC CAPITAL MANAGEMENT, LLC	0001816307	1,946,482	1.36%	▲1,946,482	0.00%	$10.30Mn
16	Kalehua Capital Management LLC	0002106181	1,832,365	1.28%	▲494,809	+36.99%	$9.69Mn
17	CITADEL ADVISORS LLC	0001423053	1,762,081	1.23%	▼487,238	-21.66%	$9.32Mn
18	Jones Hill Capital LP	0002102314	1,759,492	1.23%	▲1,759,492	0.00%	$9.31Mn
19	ACADIAN ASSET MANAGEMENT LLC	0000916542	1,641,472	1.15%	▲101,681	+6.60%	$8.68K
20	Palo Alto Investors LP	0001306923	1,613,430	1.13%	0	0.00%	$8.54Mn

Showing 1 to 20 of 150 holders