Question 1

Does Dimensional Fund Advisors own ATMU stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Dimensional Fund Advisors holds 1,460,934 shares of ATMU (Atmus Filtration Technologie), worth $74.5M.

Question 2

How many shares of ATMU does Dimensional Fund Advisors own?

Accepted Answer

As of its Q2 2026 13F, Dimensional Fund Advisors holds 1,460,934 shares of ATMU (Atmus Filtration Technologie).

Question 3

What is Dimensional Fund Advisors' ATMU position worth?

Accepted Answer

As of its Q2 2026 13F, Dimensional Fund Advisors' ATMU position is worth $74.5M.

Question 4

Is Dimensional Fund Advisors buying or selling ATMU?

Accepted Answer

In Q2 2026, Dimensional Fund Advisors increased its ATMU position by 157,962 shares (+12.1%).

Question 5

When did Dimensional Fund Advisors first buy ATMU?

Accepted Answer

Dimensional Fund Advisors first reported ATMU in its Q2 2024 13F and has listed it in 9 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	1.5M	+12.1%	$74.5M	0.0%	$50.93	33
2026-Q1	Increased	1.3M	+3.6%	$74M	0.0%	$56.64	31
2025-Q4	Increased	1.3M	+5.9%	$65.3M	0.0%	$51.74	31
2025-Q3	Increased	1.2M	+5.7%	$53.6M	0.0%	$44.90	31
2025-Q2	Increased	1.1M	+9.9%	$40.9M	0.0%	$36.22	32
2025-Q1	Increased	1M	+38.6%	$37.6M	0.0%	$36.48	38
2024-Q4	Increased	738,469	+39.4%	$28.9M	0.0%	$38.86	38
2024-Q3	Increased	529,919	+379.9%	$19.9M	0.0%	$37.17	46
2024-Q2	New	110,433	-	$3.2M	0.0%	$28.46	37

ATMU9 quarters

ATMU
9 quarters