Question 1

How many shares of BRK/B does HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND own?

Accepted Answer

As of 2026-Q1, HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds 534,484 shares of BRK/B (BERKSHIRE HATHAWAY INC DEL).

Question 2

What is HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's BRK/B position worth?

Accepted Answer

As of 2026-Q1, HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's BRK/B position is worth $256.1M.

Question 3

Is HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND buying or selling BRK/B?

Accepted Answer

In 2026-Q1, HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND decreased their BRK/B position (-4.2% change in shares).

Question 4

When did HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND first buy BRK/B?

Accepted Answer

Based on available 13F filings, HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND first reported a position in BRK/B in 2024-Q2. They have held the position across 6 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	534,484	-4.2%	$256.1M	0.4%	$481.36	0
2025-Q4	Decreased	557,859	-19.1%	$280.4M	0.5%	$503.71	0
2025-Q3	Increased	689,458	+44.4%	$346.6M	0.6%	$499.25	59
2025-Q2	Increased	477,645	+31.3%	$232M	0.5%	$485.68	47
2025-Q1	Decreased	363,916	-30.7%	$193.8M	0.4%	$526.31	0
2024-Q4	New	525,110	-	$238M	0.5%	$452.16	60
2024-Q2	Exited	0	-100.0%	$0	0.0%	$406.80	0

BRK/B7 quarters

BRK/B
7 quarters