Arch Capital ACGL Institutional Ownership

NASDAQ ACGL

$94.95 -0.83 (-0.87%)

At close: Sep 22, 2026 · 4:00 PM EDT

Institutions by Trading Activity

909 Institutions

Increased 427 47.0%

Unchanged 114 12.5%

Reduced 368 40.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

91.66%

▲+1.63 pp QoQ

Shares Held by Institutions

314.58Mn

of 343.20Mn outstanding

▲+0.14% QoQ

Shares Outstanding

343.20Mn

28.62Mn held outside 13F filers

Institutional Investors

909

filed 13F for Jun 2026

▼-6 vs prior quarter

Net Shares Added (QoQ)

+455.05K

accumulated since last quarter

Value of Holdings

$29.87Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Arch Capital Group Ltd. (NASDAQ:ACGL) has 909 institutional investors that have filed 13F reports for the period ending June 2026.

Collectively, these holders controlled 91.7% of Arch Capital's outstanding shares in June 2026, up from 90.0% in March 2026.
Their total shares held in ACGL increased 0.14% from the prior quarter, while the number of investors in Arch Capital increased 6.82% year over year.
During the quarter, 427 of these 909 funds increased positions in ACGL, 368 reduced exposure, and 114 held steady.
Combined, these investors held 314.58Mn shares in ACGL for June 2026, up by 455.05K shares quarter on quarter, and down 24.48Mn shares year over year.
As of June 30, 2026, the biggest holder of Arch Capital is BlackRock, Inc. at 30.22Mn shares, representing 8.81% of shares outstanding.
Leading buyers of Arch Capital shares for the quarter ending June 2026 were NORGES BANK (4.68Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (2.58Mn), Sixth Street Partners Management Company, L.P. (2.18Mn), Invesco Ltd. (887.7K), High Ground Investment Management LLP (818.52K).
Leading sellers of Arch Capital shares for the quarter ending June 2026 were UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (3.09Mn), FIRST TRUST ADVISORS LP (2.18Mn), AQR CAPITAL MANAGEMENT LLC (1.38Mn), BlackRock, Inc. (1.13Mn), Artisan Partners Limited Partnership (1.07Mn).
Business Quant data shows the 10 biggest positions in Arch Capital as of June 2026 are held by BlackRock, Inc. (30.22Mn), VANGUARD CAPITAL MANAGEMENT LLC (22.22Mn), Artisan Partners Limited Partnership (21.6Mn), State Street Corp (16.25Mn), BAMCO INC /NY/ (15.87Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (14.53Mn), WCM INVESTMENT MANAGEMENT, LLC (11.97Mn), GEODE CAPITAL MANAGEMENT, LLC (10.51Mn), Jpmorgan Chase & Co (6.99Mn), Invesco Ltd. (4.95Mn).

Form 13F Holdings

907 Institutional Holders

Report period 30 Jun, 2026

Total shares held 314.58Mn

Of outstanding 91.66%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	30,220,703	8.81%	▼1,133,501	-3.62%	$2.93Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	22,221,428	6.47%	▼391,181	-1.73%	$2.16Bn
3	Artisan Partners Limited Partnership	0001466153	21,595,895	6.29%	▼1,070,116	-4.72%	$2.10Bn
4	State Street Corp	0000093751	16,251,212	4.74%	▲490	+0.00%	$1.58Bn
5	BAMCO INC /NY/	0001017918	15,872,450	4.62%	▼837,309	-5.01%	$1.54Bn
6	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	14,527,363	4.23%	▼185,456	-1.26%	$1.41Bn
7	WCM INVESTMENT MANAGEMENT, LLC	0001061186	11,973,574	3.49%	▼628,838	-4.99%	$1.17Bn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	10,507,722	3.06%	▼78,549	-0.74%	$1.02Bn
9	Jpmorgan Chase & Co	0000019617	6,991,580	2.04%	▲209,933	+3.10%	$685.59Mn
10	Invesco Ltd.	0000914208	4,947,084	1.44%	▲887,704	+21.87%	$480.16Mn
11	NORGES BANK	0001374170	4,675,717	1.36%	▲4,675,717	0.00%	$453.83Mn
12	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	4,493,790	1.31%	▲2,583,727	+135.27%	$436.17Mn
13	Morgan Stanley	0000895421	4,359,144	1.27%	▲98,725	+2.32%	$423.10Mn
14	Northern Trust Corp	0000073124	4,281,588	1.25%	▼191,064	-4.27%	$415.57Mn
15	DIMENSIONAL FUND ADVISORS LP	0000354204	4,218,184	1.23%	▲44,299	+1.06%	$409.45Mn
16	Allspring Global Investments Holdings, LLC	0001890906	4,139,902	1.21%	▲508,208	+13.99%	$407.99Mn
17	Madison Asset Management, LLC	0001299351	3,799,789	1.11%	▼276,657	-6.79%	$368.81Mn
18	Royal Bank Of Canada	0001000275	3,495,371	1.02%	▼36,673	-1.04%	$339.26Mn
19	MARSHFIELD ASSOCIATES	0000914976	3,331,135	0.97%	▲279,714	+9.17%	$323.32Mn
20	Legal & General Group Plc	0000764068	3,119,937	0.91%	▼167,788	-5.10%	$302.82Mn

Showing 1 to 20 of 907 holders