Question 1

How many shares of ACLS does CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM own?

Accepted Answer

As of 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds 36,420 shares of ACLS (AXCELIS TECHNOLOGIES INC).

Question 2

What is CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's ACLS position worth?

Accepted Answer

As of 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's ACLS position is worth $3.4M.

Question 3

Is CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM buying or selling ACLS?

Accepted Answer

In 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM increased their ACLS position (+21.3% change in shares).

Question 4

When did CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM first buy ACLS?

Accepted Answer

Based on available 13F filings, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM first reported a position in ACLS in 2024-Q3. They have held the position across 30 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	36,420	+21.3%	$3.4M	0.0%	$85.88	32
2025-Q4	Decreased	30,030	-0.3%	$2.4M	0.0%	$81.55	0
2025-Q3	Increased	30,131	0.0%	$2.9M	0.0%	$96.70	26
2025-Q2	Increased	30,130	+1.2%	$2.1M	0.0%	$69.69	26
2025-Q1	Decreased	29,772	-2.4%	$1.5M	0.0%	$49.71	0
2024-Q4	Decreased	30,507	-0.9%	$2.1M	0.0%	$70.02	0
2024-Q3	Decreased	30,776	-3.3%	$3.2M	0.0%	$107.37	0