Robeco Institutional Asset Management B.V.

Position in ACGL — Arch Capital Group Ltd.

CIK 1418773 ROTTERDAM, P7

Back to ACGL Full portfolio

Position in ACGL

as of Mar 31, 2026 · filed Apr 21, 2026 Compact

Position Value

$170,088,904

+$21,600,716 QoQ

Shares Held

1,771,944

+14.5% QoQ

Ownership

0.507%

of shares outstanding

% of Portfolio

0.25%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 35.99521203830369.ToString("F0")% Shared 0.ToString("F0")% None 64.00478796169631.ToString("F0")%

Common Shares in ACGL Over Time

Shares Held

Position Value (USD)

Position in Insurance - Diversified

Financial Services · as of Mar 31, 2026

Robeco Institutional Asset Management B.V. holds $688,591,617 across 4 Insurance - Diversified names. ACGL ranks #3 (24.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HIG	Hartford Insurance Group, Inc.	1,866,217	$252,368,524
2	BRK-B	Berkshire Hathaway Inc	365,647	$175,218,042
3	ACGL	Arch Capital Group Ltd. This page	1,771,944	$170,088,904
4	AIG	American International Group, Inc.	1,208,188	$90,916,147

All Filings in ACGL

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$170,088,904	1,771,944	+14.5%	Shares	Defined	2026-04-21
2025-12-31	$148,488,188	1,548,042	+50.4%	Shares	Defined	2026-01-23
2025-09-30	$93,407,895	1,029,515	+99.3%	Shares	Defined	2025-10-22
2025-06-30	$47,039,707	516,636	+10.1%	Shares	Defined	2025-07-18
2025-03-31	$45,127,752	469,201	-55.8%	Shares	Defined	2025-04-23
2024-12-31	$98,105,621	1,062,324	+8.3%	Shares	Defined	2025-01-23
2024-09-30	$109,705,835	980,567	-6.7%	Shares	Defined	2024-10-29
2024-06-30	$105,977,680	1,050,428	-9.4%	Shares	Defined	2024-07-23
2024-03-31	$107,204,424	1,159,719	+0.6%	Shares	Defined	2024-04-24
2023-12-31	$85,601,225	1,152,568	+2.7%	Shares	Defined	2024-02-14
2023-09-30	$89,487,786	1,122,667	+5.8%	Shares	Defined	2023-10-24
2023-06-30	$79,460,685	1,061,599	+15.8%	Shares	Defined	2023-07-24
2023-03-31	$62,203,805	916,514	+34.2%	Shares	Defined	2023-05-04
2022-12-31	$42,874,031	682,925	+8.1%	Shares	Defined	2023-02-07
2022-09-30	$28,762,244	631,582	+19.1%	Shares	Defined	2022-12-01
2022-06-30	$24,126,940	530,379	-4.7%	Shares	Defined	2022-12-01
2022-03-31	$26,946,553	556,517	+483.1%	Shares	Defined	2022-12-01
2021-12-31	$4,242,708	95,449	+206.8%	Shares	Defined	2022-12-01
2021-09-30	$1,188,008	31,116	+47.7%	Shares	Defined	2022-12-01
2021-06-30	$820,310	21,066	+117.4%	Shares	Defined	2022-12-01
2021-03-31	$371,882	9,692	-80.0%	Shares	Defined	2022-12-01
2020-12-31	$1,745,643	48,396	+29.1%	Shares	Defined	2022-12-01
2020-09-30	$1,096,202	37,477	-5.5%	Shares	Defined	2021-01-19
2020-06-30	$1,136,746	39,677	-95.8%	Shares	Defined	2021-01-19
2020-03-31	$26,849,164	943,400	—	Shares	Defined	2021-01-19
No filing history on record for this holder in this stock.