Question 1

Does Dimensional Fund Advisors own ACLS stock?

Accepted Answer

Yes. As of its Q3 2026 13F, Dimensional Fund Advisors holds 790,968 shares of ACLS (Axcelis Technologies), worth $103.8M.

Question 2

How many shares of ACLS does Dimensional Fund Advisors own?

Accepted Answer

As of its Q3 2026 13F, Dimensional Fund Advisors holds 790,968 shares of ACLS (Axcelis Technologies).

Question 3

What is Dimensional Fund Advisors' ACLS position worth?

Accepted Answer

As of its Q3 2026 13F, Dimensional Fund Advisors' ACLS position is worth $103.8M.

Question 4

Is Dimensional Fund Advisors buying or selling ACLS?

Accepted Answer

In Q3 2026, Dimensional Fund Advisors increased its ACLS position by 81,702 shares (+11.5%).

Question 5

When did Dimensional Fund Advisors first buy ACLS?

Accepted Answer

Dimensional Fund Advisors already held ACLS in its Q3 2019 13F, the earliest on record, and has listed it in 29 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q3 Latest	Increased	790,968	+11.5%	$103.8M	0.0%	$131.18	33
2026-Q2	Decreased	709,266	-16.0%	$134.3M	0.0%	$189.45	0
2026-Q1	Increased	844,097	+0.4%	$78.6M	0.0%	$93.08	30
2025-Q4	Increased	841,040	+9.3%	$67.6M	0.0%	$80.34	32
2025-Q3	Increased	769,612	+4.6%	$75.1M	0.0%	$97.64	31
2025-Q2	Increased	735,459	+4.9%	$51.3M	0.0%	$69.69	31
2025-Q1	Decreased	701,275	-3.2%	$34.8M	0.0%	$49.67	0
2024-Q4	Increased	724,585	+11.0%	$50.6M	0.0%	$69.87	33
2024-Q3	Decreased	652,954	-0.8%	$68.5M	0.0%	$104.85	0