Question 1

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

Accepted Answer

As of 2026-Q2, HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds 850,000 shares of AACB (ARTIUS II ACQUISITION INC).

Question 2

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

Accepted Answer

As of 2026-Q2, HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's AACB position is worth $8.9M.

Question 3

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

Accepted Answer

Based on available 13F filings, HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND first reported a position in AACB in 2025-Q2. They have held the position across 5 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Unchanged	850,000	0.0%	$8.9M	0.0%	$10.49	0
2026-Q1	Unchanged	850,000	0.0%	$8.8M	0.0%	$10.34	0
2025-Q4	Decreased	850,000	-57.5%	$8.8M	0.0%	$10.30	0
2025-Q3	Unchanged	2M	0.0%	$20.3M	0.0%	$10.18	0
2025-Q2	New	2M	-	$20.2M	0.0%	$10.10	39

AACB5 quarters

AACB
5 quarters