Question 1

How many shares of ACLX does RA CAPITAL MANAGEMENT, L.P. own?

Accepted Answer

RA CAPITAL MANAGEMENT, L.P. previously held 0 shares of ACLX (ARCELLX INC) before exiting the position in 2026-Q1.

Question 2

What is RA CAPITAL MANAGEMENT, L.P.'s ACLX position worth?

Accepted Answer

RA CAPITAL MANAGEMENT, L.P.'s ACLX position was last reported at $0 in 2026-Q1 before the exit.

Question 3

Is RA CAPITAL MANAGEMENT, L.P. buying or selling ACLX?

Accepted Answer

In 2026-Q1, RA CAPITAL MANAGEMENT, L.P. exited their ACLX position entirely (-100.0% change in shares).

Question 4

When did RA CAPITAL MANAGEMENT, L.P. first buy ACLX?

Accepted Answer

Based on available 13F filings, RA CAPITAL MANAGEMENT, L.P. first reported a position in ACLX in 2024-Q3. They have held the position across 8 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	$114.05	0
2025-Q4	Decreased	1.3M	-58.3%	$82.6M	0.8%	$63.60	0
2025-Q3	Unchanged	3M	0.0%	$249.3M	3.1%	$79.11	0
2025-Q2	Unchanged	3M	0.0%	$200M	3.4%	$65.35	0
2025-Q1	Increased	3M	+8.9%	$199.2M	3.3%	$67.96	61
2024-Q4	Increased	2.8M	+50.5%	$213.8M	2.8%	$78.35	73
2024-Q3	Increased	1.9M	+15.4%	$154.6M	1.8%	$82.76	55

ACLXShowing 7 of 8 quarters

ACLX
Showing 7 of 8 quarters