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 2018-Q4. 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
2024-Q2	Decreased	31,832	-3.4%	$4.5M	0.0%	$142.19	0
2024-Q1	Decreased	32,934	-4.8%	$3.7M	0.0%	$111.52	0
2023-Q4	Decreased	34,606	-4.2%	$4.5M	0.0%	$129.69	0
2023-Q3	Decreased	36,124	-8.9%	$5.9M	0.0%	$163.05	0
2023-Q2	Decreased	39,646	-3.3%	$7.3M	0.0%	$179.03	0
2023-Q1	Decreased	41,016	-1.9%	$5.5M	0.0%	$133.44	0
2022-Q4	Increased	41,789	+1.1%	$3.3M	0.0%	$79.36	27
2022-Q3	Decreased	41,319	-2.4%	$2.5M	0.0%	$62.62	0
2022-Q2	Decreased	42,354	-0.5%	$2.3M	0.0%	$54.77	0
2022-Q1	Decreased	42,580	-8.7%	$3.2M	0.0%	$77.45	0
2021-Q4	Increased	46,612	+2.0%	$3.5M	0.0%	$73.11	27
2021-Q3	Decreased	45,698	-0.4%	$2.1M	0.0%	$46.71	0
2021-Q2	Decreased	45,876	-8.6%	$1.9M	0.0%	$40.65	0
2021-Q1	Decreased	50,196	-0.4%	$2.1M	0.0%	$38.23	0
2020-Q4	Increased	50,387	+1.2%	$1.5M	0.0%	$29.03	26
2020-Q3	Unchanged	49,780	0.0%	$1.1M	0.0%	$22.08	0
2020-Q2	Increased	49,780	+2.2%	$1.4M	0.0%	$26.89	26
2020-Q1	Decreased	48,718	-0.3%	$892,000	0.0%	$18.25	0
2019-Q4	Decreased	48,857	-3.4%	$1.2M	0.0%	$24.09	0
2019-Q3	Unchanged	50,600	0.0%	$865,000	0.0%	$16.79	0
2019-Q2	Increased	50,600	+0.9%	$762,000	0.0%	$15.05	25
2019-Q1	Unchanged	50,168	0.0%	$1M	0.0%	$20.12	0
2018-Q4	New	50,168	-	$893,000	0.0%	$17.76	34

ACLS30 quarters

ACLS
30 quarters