ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in ACIC — AMERICAN COASTAL INSURANCE Corp

CIK 1164508 BOSTON, MA

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Position in ACIC

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

Position Value

$5,056,893

+$1,480,620 QoQ

Shares Held

455,576

+43.3% QoQ

Ownership

0.940%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#11

of 135 holders

Holding Since

Sep 2020

8 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in ACIC Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $4,745,712,107 across 35 Insurance - Property & Casualty names. ACIC ranks #30 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PGR	Progressive Corp/Oh/	6,092,628	$1,330,934,586
2	CB	Chubb Ltd	2,461,009	$838,564,206
3	TRV	Travelers Companies, Inc.	2,258,732	$745,652,607
4	ALL	Allstate Corp	1,831,091	$435,689,792
5	CINF	Cincinnati Financial Corp	1,214,615	$224,873,821
6	WRB	Berkley W R Corp	2,588,583	$182,572,758
7	AIZ	Assurant, Inc.	477,030	$128,096,865
8	AFG	American Financial Group Inc	744,635	$104,204,221

All Filings in ACIC

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8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$5,056,893	455,576	+43.3%	Shares	Defined	2026-08-13
2026-03-31	$3,576,273	317,891	+433.8%	Shares	Defined	2026-05-14
2025-12-31	$752,078	59,547	0.0%	Shares	Defined	2026-02-13
2025-09-30	$678,240	59,547	-13.6%	Shares	Defined	2025-11-13
2025-06-30	$766,534	68,933	-29.2%	Shares	Defined	2025-08-13
2021-03-31	$701,691	97,322	+2.1%	Shares	Defined	2021-05-14
2020-12-31	$545,218	95,318	+74.4%	Shares	Defined	2021-02-12
2020-09-30	$331,245	54,661	—	Shares	Defined	2020-11-12
No filing history on record for this holder in this stock.