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Arch Capital Group Ltd.

ACGL
Exchange
Nasdaq
Industry
Fire, Marine & Casualty Insurance
SEC CIK
0000947484

In the last 90 days, Arch Capital Group Ltd. insiders filed 0 open-market purchases and 2 sales; 915 institutions reported holding it in 13F filings for Q2 2026, worth $30.3B in total; no superinvestor holds it.

Other share classesACGLNACGLO

Holders of 5% or more of ACGL

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Arch Capital Group Ltd., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of ACGL
HolderLatest formStakeChangeFirst filedLatest filingFiling
Vanguard Capital Management LLC13G7.33%26.1M sharesNewApr 29, 20261 filingApr 29, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

26 Schedule 13D and 13G filings on Arch Capital Group Ltd., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on ACGL
Filed (ET)FilerFormStakeChangeEvent dateFiling
Apr 29, 202611:44 AM ETVanguard Capital Management LLC13G7.33%26.1M sharesNewMar 31, 2026SEC
Mar 26, 20261:11 PM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Feb 17, 20269:31 AM ETBamco Incand 3 others13G/A4.96%18.0M shares−0.55 ppfrom 5.51%Below 5%Dec 31, 2025SEC
Nov 14, 20249:51 AM ETBamco Incand 3 others13G/A5.51%20.7M shares–Sep 30, 2024SEC
Nov 12, 202411:44 AM ETBlackRock, Inc.13G/AOld format–––SEC
Oct 21, 20244:11 PM ETBlackRock, Inc.13G/AOld format–––SEC
Feb 14, 2024Bamco Inc13G/AOld format–––SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 12, 2024Artisan Partners Limited Partnership13G/AOld format–––SEC
Feb 9, 2024Capital World Investors13G/AOld format–––SEC
Feb 1, 20241:04 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 14, 2023Bamco Inc13G/AOld format–––SEC
Feb 13, 2023Capital World Investors13G/AOld format–––SEC
Feb 10, 2023Artisan Partners Limited Partnership13G/AOld format–––SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 3, 202312:10 PM ETBlackRock Inc.13GOld format–New–SEC
Nov 10, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 14, 2022Bamco Inc13G/AOld format–––SEC
Feb 11, 20224:16 PM ETCascade Investment, L.L.C.13G/AOld format–––SEC
Feb 11, 2022Capital World Investors13GOld format–New–SEC
Feb 9, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 4, 2022Artisan Partners Limited Partnership13G/AOld format–––SEC
Feb 12, 2021Bamco Inc13G/AOld format–––SEC
Feb 12, 2021Bamco Inc13G/AOld format–––SEC
Feb 10, 2021Artisan Partners Limited Partnership13G/AOld format–––SEC
Feb 10, 2021Vanguard Group Inc13G/AOld format–––SEC

Form 144: proposed insider sales

32 notices from officers, directors and other affiliates planning to sell Arch Capital Group Ltd. shares, newest first.

Form 144 notices for ACGL
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Nov 10, 20264:21 PM ETRajeh MaamounOfficer48.7K$5.28MNov 10, 2026Charles Schwab & Co., Inc.SEC
Aug 18, 20265:32 PM ETMorin FrancoisOfficer11.0K$1.09MAug 18, 2026Charles Schwab & Co., IncSEC
Jul 20, 20264:02 PM ETGansberg DavidFormer affiliate76.3K$7.63MJul 20, 2026Charles Schwab & Co., Inc.SEC
Jul 2, 20264:56 PM ETGansberg DavidFormer affiliate79.3K$8.05MJul 2, 2026Charles Schwab & Co., Inc.SEC
Jun 26, 20264:58 PM ETGansberg DavidFormer affiliate33.1K$3.22MJun 26, 2026Charles Schwab & Co., Inc.SEC
Mar 10, 20264:23 PM ETPapadopoulo NicolasOfficer21.9K$2.11MMar 10, 2026Charles Schwab & Co., Inc.SEC
Mar 10, 20264:22 PM ETGansberg DavidOfficer5.91K$569.3KMar 10, 2026Charles Schwab & Co., Inc.SEC
Feb 11, 20264:10 PM ETRajeh MaamounOfficer47.4K$4.56MFeb 11, 2026Charles Schwab & Co., Inc.SEC
Dec 15, 20254:53 PM ETPasquesi John MDirector · CHAIR8.80K$828.7KDec 15, 2025Charles Schwab & Co., Inc.SEC
Dec 12, 20255:11 PM ETJohn Murray PasquesiDirector · CHAIR28.9K$2.71MDec 12, 2025APEX CLEARINGSEC
Dec 12, 20255:09 PM ETPasquesi John MDirector · CHAIR175.0K$16.4MDec 12, 2025Charles Schwab & Co., Inc.SEC
Nov 28, 20251:48 PM ETMorin FrancoisOfficer8.00K$757.0KNov 28, 2025Charles Schwab & Co., IncSEC
Aug 22, 20254:23 PM ETRajeh MaamounOfficer10.0K$941.5KAug 22, 2025Charles Schwab & Co., Inc.SEC
May 16, 20255:16 PM ETMorin FrancoisOfficer12.6K$1.19MMay 16, 2025Charles Schwab & Co., IncSEC
May 13, 20254:11 PM ETPasquesi John MDirector · CHAIR24.0K$2.27MMay 13, 2025Charles Schwab & Co., Inc.SEC
May 12, 20255:13 PM ETJohn Murray PasquesiDirector · CHAIR75.1K$7.06MMay 12, 2025APEX CLEARINGSEC
May 9, 20255:46 PM ETPetrillo Louis TOfficer16.6K$1.57MMay 9, 2025Charles Schwab & Co., Inc.SEC
Mar 4, 20255:20 PM ETPetrillo Louis TOfficer21.0K$1.95MMar 4, 2025Charles Schwab & Co., Inc.SEC
Aug 16, 20244:56 PM ETMorin FrancoisOfficer11.5K$1.17MAug 16, 2024Charles Schwab & Co., IncSEC
May 6, 20244:27 PM ETGansberg DavidOfficer10.0K$966.4KMay 6, 2024Charles Schwab & Co., Inc.SEC
Mar 7, 20244:14 PM ETPapadopoulo NicolasOfficer60.0K$5.25MMar 7, 2024Charles Schwab & Co., Inc.SEC
Mar 7, 20244:14 PM ETMorin FrancoisOfficer25.7K$2.25MMar 7, 2024Charles Schwab & Co., IncSEC
Mar 5, 20245:19 PM ETRajeh MaamounOfficer50.0K$4.37MMar 5, 2024Charles Schwab & Co., Inc.SEC
Nov 22, 20233:21 PM ETPapadopoulo NicolasOfficer60.0K$5.15MNov 22, 2023Charles Schwab & Co., Inc.SEC
Nov 3, 20234:19 PM ETMarc GrandissonOfficer350.0K$32.0MNov 3, 2023UBS Financial Services IncSEC

Showing the latest 25. See the ACGL notices from the last 12 months