Arch Capital ACGL Institutional Ownership

NASDAQ ACGL

$100.48 -0.79 (-0.78%)

At close: Oct 19, 2026 · 4:00 PM EDT

Institutions by Trading Activity

902 Institutions

Increased 427 47.3%

Unchanged 111 12.3%

Reduced 364 40.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

91.00%

▲+1.08 pp QoQ

Shares Held by Institutions

312.32Mn

of 343.20Mn outstanding

▼-1.67% QoQ

Shares Outstanding

343.20Mn

30.88Mn held outside 13F filers

Institutional Investors

902

filed 13F for Jun 2026

▼-7 vs prior quarter

Net Shares Added (QoQ)

-5.29Mn

distributed since last quarter

Value of Holdings

$31.02Bn

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

Updated Oct 11, 2026

Arch Capital Group Ltd. (NASDAQ:ACGL) counted 902 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

These investors held 91.00% of Arch Capital's outstanding shares at the end of Q2 2026, up from 89.92% in Q1 2026.
Total holdings of Arch Capital shares fell 1.67% from Q1 2026, and the number of holders rose 6.24% from Q2 2025.
Of the 902 holders of ACGL in Q2 2026, 427 added to their positions, 364 reduced their stakes and 111 left their positions unchanged.
Institutional investors held 312.32Mn shares of Arch Capital in total at the end of Q2 2026, down 5.29Mn from the prior quarter and down 18.59Mn from a year earlier.
As of June 30, 2026, the biggest holder of Arch Capital was BlackRock, Inc. with 30.22Mn shares, or 8.81% of shares outstanding.
The biggest increases in ACGL positions during Q2 2026 came from Arrowstreet Capital, Limited Partnership (+2.58Mn shares), Invesco Ltd. (+887.7K shares), High Ground Investment Management LLP (+818.51K shares), Jane Street Group, LLC (+696.61K shares) and Allspring Global Investments Holdings, LLC (+508.21K shares).
Among holders that kept a stake in Arch Capital, the biggest sellers in Q2 2026 were UBS Asset Management Americas (-3.09Mn shares), First Trust Advisors LP (-2.18Mn shares), AQR Capital Management LLC (-1.38Mn shares), BlackRock, Inc. (-1.13Mn shares) and Artisan Partners Limited Partnership (-1.07Mn shares).
Per Business Quant, the top 10 investors in ACGL for the quarter ended June 30, 2026 were BlackRock, Inc. (30.22Mn shares), Vanguard Capital Management LLC (22.22Mn shares), Artisan Partners Limited Partnership (21.6Mn shares), State Street Corp (16.25Mn shares), BAMCO Inc (15.87Mn shares), Vanguard Portfolio Management LLC (14.53Mn shares), WCM Investment Management, LLC (11.97Mn shares), Geode Capital Management, LLC (10.51Mn shares), JPMorgan Chase & Co (6.99Mn shares) and Invesco Ltd. (4.95Mn shares).

Form 13F Holdings

904 Institutional Holders

Report period 30 Jun, 2026

Total shares held 312.32Mn

Of outstanding 91.00%

#	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 904 holders