HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in BRK-B — Berkshire Hathaway Inc

CIK 1535845 TORONTO, A6

Back to BRK-B Full portfolio

Position in BRK-B

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$128,002,764

-$128,121,968 QoQ

Shares Held

255,806

-52.1% QoQ

Ownership

0.018%

of shares outstanding

% of Portfolio

0.22%

of 13F equity value

Holder Rank

#298

of 4,965 holders

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in BRK-B Over Time

Shares Held

Position Value (USD)

Position in Insurance - Diversified

Financial Services · as of Jun 30, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $173,644,568 across 5 Insurance - Diversified names. BRK-B ranks #1 (73.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BRK-B	Berkshire Hathaway Inc This page	255,806	$128,002,764
2	SLF	Sun Life Financial Inc	200,000	$15,684,000
3	AIG	American International Group, Inc.	181,143	$13,500,587
4	HIG	Hartford Insurance Group, Inc.	92,139	$12,210,260
5	ACGL	Arch Capital Group Ltd.	43,756	$4,246,957

All Filings in BRK-B

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27 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$128,002,764	255,806	-52.1%	Shares	Sole	2026-08-13
2026-03-31	$256,124,732	534,484	-4.2%	Shares	Sole	2026-05-14
2025-12-31	$280,407,826	557,859	-19.1%	Shares	Sole	2026-02-13
2025-09-30	$346,618,114	689,458	+44.3%	Shares	Sole	2025-11-13
2025-06-30	$232,025,611	477,645	+31.3%	Shares	Sole	2025-08-13
2025-03-31	$193,814,383	363,916	-30.7%	Shares	Sole	2025-05-14
2024-12-31	$238,021,860	525,110	+207.1%	Shares	Sole	2025-02-14
2024-03-31	$71,908,920	171,000	-44.4%	Shares	Sole	2024-05-13
2023-12-31	$109,736,435	307,678	-24.0%	Shares	Sole	2024-03-21
2023-09-30	$141,731,380	404,600	+7.5%	Shares	Sole	2023-11-13
2023-06-30	$128,284,200	376,200	-2.9%	Shares	Sole	2023-08-11
2023-03-31	$119,598,971	387,340	+7860.1%	Shares	Sole	2023-05-12
2022-09-30	$1,299,319	4,866	-88.2%	Shares	Sole	2022-11-14
2022-06-30 BRK-A	$817,900	2	-88.2%	Shares	Sole	2022-08-11
2022-06-30	$11,264,805	41,260	+179.9%	Shares	Sole	2022-08-11
2022-03-31 BRK-A	$8,991,657	17	+325.0%	Shares	Sole	2022-05-12
2022-03-31	$5,202,599	14,742	-85.1%	Shares	Sole	2022-05-12
2021-12-31 BRK-A	$1,802,648	4	-60.0%	Shares	Sole	2022-02-11
2021-12-31	$29,673,956	99,244	-72.7%	Shares	Sole	2022-02-11
2021-09-30 BRK-A	$4,113,790	10	—	Shares	Sole	2021-11-10
2021-09-30	$99,166,198	363,326	-71.1%	Shares	Sole	2021-11-10
2021-06-30	$348,836,568	1,255,169	+246.2%	Shares	Sole	2021-08-12
2021-03-31	$92,622,947	362,559	+81.0%	Shares	Sole	2021-05-13
2020-12-31	$46,433,822	200,258	+1672.0%	Shares	Sole	2021-03-01
2020-09-30	$2,406,434	11,301	+37.3%	Shares	Sole	2021-03-01
2020-06-30	$1,469,494	8,232	+227.6%	Shares	Sole	2021-03-01
2020-03-31	$459,451	2,513	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.