Question 1

How many shares of ONTO does HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND own?

Accepted Answer

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND previously held 0 shares of ONTO (ONTO INNOVATION INC) before exiting the position in 2025-Q4.

Question 2

What is HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's ONTO position worth?

Accepted Answer

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's ONTO position was last reported at $0 in 2025-Q4 before the exit.

Question 3

Is HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND buying or selling ONTO?

Accepted Answer

In 2025-Q4, HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND exited their ONTO position entirely (-100.0% change in shares).

Question 4

When did HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND first buy ONTO?

Accepted Answer

Based on available 13F filings, HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND first reported a position in ONTO in 2024-Q3. They have held the position across 10 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Exited	0	-100.0%	$0	0.0%	$160.01	0
2025-Q3	Decreased	63,200	-28.0%	$8.2M	0.0%	$130.40	0
2025-Q2	Increased	87,800	+141.9%	$8.9M	0.0%	$98.88	44
2025-Q1	Increased	36,300	+726.9%	$4.4M	0.0%	$122.07	43
2024-Q4	New	4,390	—	$731,681	0.0%	$167.80	34
2024-Q3	Exited	0	-100.0%	$0	0.0%	$215.37	0