Investment Management Corp of Ontario

Position in ACGL — Arch Capital Group Ltd.

CIK 1811568 Toronto, Z4

Position in ACGL

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$4,675,283

-$313,221 QoQ

Shares Held

48,169

-7.3% QoQ

Ownership

0.014%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#258

of 900 holders

Holding Since

Jun 2023

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

Investment Management Corp of Ontario holds $87,033,269 across 5 Insurance - Diversified names. ACGL ranks #3 (5.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BRK-B	Berkshire Hathaway Inc	137,391	$68,749,082
2	SLF	Sun Life Financial Inc	79,090	$6,202,237
3	ACGL	Arch Capital Group Ltd. This page	48,169	$4,675,283
4	HIG	Hartford Insurance Group, Inc.	31,730	$4,204,859
5	AIG	American International Group, Inc.	42,960	$3,201,808

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,675,283	48,169	-7.3%	Shares	Sole	2026-08-14
2026-03-31	$4,988,504	51,969	+1.2%	Shares	Sole	2026-05-15
2025-12-31	$4,927,314	51,369	+17.9%	Shares	Sole	2026-02-17
2025-09-30	$3,953,015	43,569	+23.5%	Shares	Sole	2025-11-14
2025-06-30	$3,211,242	35,269	-3.8%	Shares	Sole	2025-08-14
2025-03-31	$3,526,824	36,669	+0.5%	Shares	Sole	2025-05-15
2024-12-31	$3,367,912	36,469	-15.2%	Shares	Sole	2025-02-14
2024-09-30	$4,812,518	43,015	+10.5%	Shares	Sole	2024-11-14
2024-06-30	$3,926,134	38,915	+6.3%	Shares	Sole	2024-08-14
2024-03-31	$3,384,690	36,615	+4.4%	Shares	Sole	2024-05-15
2023-12-31	$2,605,540	35,082	+83.0%	Shares	Sole	2024-02-14
2023-09-30	$1,527,881	19,168	+43.4%	Shares	Sole	2023-11-14
2023-06-30	$1,000,295	13,364	—	Shares	Sole	2023-08-14
No filing history on record for this holder in this stock.