ARCH CAPITAL GROUP LTD.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Reported portfolio value by quarter (23 quarters reported)

$780M $228K

Q4 20 Q1 22 Q2 23 Q3 24 Q4 25 Q2 26

$633M in Q4 2020 → $291K now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding	% of portfolio	Activity	Shares	Value
JD Janus Detroit Str Tr	68.4%	Unchanged	3,941,665	$199K
IT Ishares Tr	22.3%	Unchanged	1,531,250	$64.9K
IT Ishares Tr	8.5%	Unchanged	469,378	$24.6K
IT Ishares Tr	0.8%	Unchanged	30,000	$2.4K

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

quarter ended June 30, 2026 · filed August 04, 2026

No position changes this quarter.

quarter ended March 31, 2026 · filed May 05, 2026

No position changes this quarter.

quarter ended December 31, 2025 · filed February 09, 2026

No position changes this quarter.

quarter ended September 30, 2025 · filed November 06, 2025

No position changes this quarter.

quarter ended June 30, 2025 · filed August 05, 2025

Company	Action	Shares changed	Value of change	% of portfolio
IT Ishares Tr	Trimmed	−1,272,380	−$67.1K	8.4%

quarter ended March 31, 2025 · filed May 07, 2025

Company	Action	Shares changed	Value of change	% of portfolio
JD Janus Detroit Str Tr	Trimmed	−3,973,680	−$202K	55.7%
IT Ishares Tr	Added	+1,272,380	+$66.6K	25.4%
IT Ishares Tr	New	+1,531,250	+$65.1K	18.2%

quarter ended December 31, 2024 · filed February 10, 2025

Company	Action	Shares changed	Value of change	% of portfolio
JD Janus Detroit Str Tr	Added	+2,607,700	+$132K	93.8%
IT Ishares Tr	Trimmed	−1,701,855	−$88K	5.7%

quarter ended September 30, 2024 · filed November 07, 2024

Company	Action	Shares changed	Value of change	% of portfolio
JD Janus Detroit Str Tr	Added	+3,053,000	+$155K	69.8%

Comments