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ARCH CAPITAL GROUP LTD (ACGL) Stock Ownership and Short Interest

USA - NASDAQ:ACGL - BMG0450A1053 - Common Stock

87.15 USD
-0.31 (-0.35%)
Last: 10/24/2025, 7:09:13 PM
87.2 USD
+0.05 (+0.06%)
After Hours: 10/24/2025, 7:09:13 PM
ACGL Ownership Chart.ACGL Ownership Chart: showing Insider, Institutional ownership and shares available to the public.ACGL Ownership.InsiderInstitutionalPublic



Shares Outstanding373.22M
Float361.48M
Float Short Interest Percentage1.56%
Owners (insider)3.14%
Owners (institutional)94.19%
Owners (insider) change0.4%
Owners (institutional) change0.03%
ACGL Institutional Ownership HistoryACGL Institutional Ownership HistoryACGL Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 100M 200M 300M
ACGL Historical Insider Transactions ChartACGL Historical Insider Buy and Sell Transactions ChartACGL Historical Insider Transactions Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 0 200K -200K
Date Name Type Shares Price Amount
Aug 22, 2025 Rajeh Maamoun Open Market Sale 10000 94.15 $ 941,464.00
Aug 5, 2025 Vollaro John D Other Disposition 389998 0.00 $ 0.00
Aug 1, 2025 Posner Brian S Open Market Purchase 1000 17.34 $ 17,338.00
May 16, 2025 Morin Francois Option Excercise 12630 18.90 $ 238,707.00
May 16, 2025 Morin Francois Open Market Sale 12630 94.58 $ 1,194,575.71
May 12, 2025 PASQUESI JOHN M Open Market Sale 99056 94.18 $ 9,328,999.85
May 9, 2025 PETRILLO LOUIS T Option Excercise 16650 18.90 $ 314,685.00
May 9, 2025 PETRILLO LOUIS T Open Market Sale 16650 94.53 $ 1,573,944.48
May 9, 2025 PETRILLO LOUIS T Other Disposition 20 0.00 $ 0.00
May 7, 2025 Triplett Neal F Grant 2912 $ 0.00
May 7, 2025 Posner Brian S Grant 1564 $ 0.00
May 7, 2025 MOCZARSKI ALEXANDER S Grant 1564 $ 0.00
May 7, 2025 PASQUESI JOHN M Grant 4260 $ 0.00
May 7, 2025 KILCOYNE MOIRA A. Grant 2912 $ 0.00
May 7, 2025 MALLESCH EILEEN A Grant 1564 $ 0.00
May 7, 2025 Houston Daniel Joseph Grant 2912 $ 0.00
May 7, 2025 Ebong Francis Grant 1564 $ 0.00
May 7, 2025 BUNCE JOHN L JR Grant 2912 $ 0.00
May 7, 2025 Goodman Laurie Grant 1564 $ 0.00
May 2, 2025 Papadopoulo Nicolas Option Excercise 9213 15.84 $ 145,887.86
May 2, 2025 Papadopoulo Nicolas Option Excercise 1577 92.48 $ 145,840.96
May 2, 2025 Papadopoulo Nicolas Open Market Sale 7636 92.48 $ 706,177.28
May 2, 2025 Papadopoulo Nicolas Option Excercise 9213 15.84 $ 145,887.86
May 2, 2025 Papadopoulo Nicolas Option Excercise 1577 92.48 $ 145,840.96
Mar 4, 2025 Papadopoulo Nicolas Grant 15848 0.00 $ 0.00
Mar 4, 2025 Rajeh Maamoun Grant 7484 0.00 $ 0.00
Mar 4, 2025 PETRILLO LOUIS T Grant 3042 0.00 $ 0.00
Mar 4, 2025 PETRILLO LOUIS T Option Excercise 9916 91.87 $ 910,982.92
Mar 4, 2025 PETRILLO LOUIS T Option Excercise 21000 15.84 $ 332,535.00
Mar 4, 2025 PETRILLO LOUIS T Open Market Sale 21000 91.78 $ 1,927,334.84
Mar 4, 2025 Todd Christine Grant 3744 0.00 $ 0.00
Mar 4, 2025 Morin Francois Grant 4789 0.00 $ 0.00
Mar 4, 2025 Gansberg David Grant 7484 0.00 $ 0.00
Mar 4, 2025 Gansberg David Option Excercise 13873 91.87 $ 1,274,512.51
Feb 27, 2025 PETRILLO LOUIS T Grant 21692 0.00 $ 0.00
Feb 27, 2025 Gansberg David Grant 33550 0.00 $ 0.00
Feb 27, 2025 Morin Francois Grant 31236 0.00 $ 0.00
Feb 27, 2025 Todd Christine Grant 23284 0.00 $ 0.00
Feb 27, 2025 Papadopoulo Nicolas Grant 55532 0.00 $ 0.00
Feb 27, 2025 Rajeh Maamoun Grant 33550 0.00 $ 0.00
Feb 24, 2025 PETRILLO LOUIS T Option Excercise 1198 90.53 $ 108,457.45
Feb 24, 2025 Gansberg David Option Excercise 1652 90.70 $ 149,831.00
Feb 4, 2025 MOCZARSKI ALEXANDER S Grant 402 0.00 $ 0.00
Dec 12, 2024 Vollaro John D Other Disposition 10000 0.00 $ 0.00
Dec 10, 2024 PETRILLO LOUIS T Other Disposition 48 0.00 $ 0.00
Nov 19, 2024 Papadopoulo Nicolas Grant 72108 0.00 $ 0.00
Nov 19, 2024 Gansberg David Grant 65838 0.00 $ 0.00
Nov 19, 2024 Rajeh Maamoun Grant 65838 0.00 $ 0.00
Nov 19, 2024 Morin Francois Grant 15676 0.00 $ 0.00
Nov 19, 2024 PETRILLO LOUIS T Grant 5944 0.00 $ 0.00
Nov 19, 2024 Todd Christine Grant 10450 0.00 $ 0.00