MARSHALL WACE, LLP

Position in ACRS — Aclaris Therapeutics, Inc.

CIK 1318757 LONDON, X0

Position in ACRS

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$2,673,690

+$1,212,333 QoQ

Shares Held

712,984

+46.9% QoQ

Ownership

0.511%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2021

9 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

MARSHALL WACE, LLP holds $2,766,756,129 across 280 Biotechnology names. ACRS ranks #137 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	1,099,318	$363,731,344
2	VRTX	Vertex Pharmaceuticals Inc / Ma	317,058	$141,579,078
3	INCY	Incyte Corp	1,253,138	$117,945,347
4	RPRX	Royalty Pharma plc	2,120,692	$101,729,594
5	RCUS	Arcus Biosciences, Inc.	3,761,437	$81,247,039
6	PTGX	Protagonist Therapeutics, Inc	628,075	$66,199,104
7	ROIV	Roivant Sciences Ltd.	2,246,943	$62,240,320
8	COGT	Cogent Biosciences, Inc.	1,600,168	$61,590,466

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,673,690	712,984	+46.9%	Shares	Other	2026-05-15
2025-12-31	$1,461,357	485,501	-71.7%	Shares	Other	2026-02-13
2025-09-30	$3,264,446	1,718,130	-25.1%	Shares	Other	2025-11-13
2025-06-30	$3,255,276	2,292,449	-0.9%	Shares	Other	2025-08-13
2025-03-31	$3,538,775	2,312,926	-12.2%	Shares	Other	2025-05-15
2024-12-31	$6,532,480	2,634,065	+8558.1%	Shares	Other	2025-02-13
2023-06-30	$315,486	30,423	+123.4%	Shares	Other	2023-08-14
2021-09-30	$245,142	13,619	-62.8%	Shares	Sole	2021-11-15
2021-03-31	$922,622	36,612	—	Shares	Sole	2021-05-17
No filing history on record for this holder in this stock.