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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 1 sale; 912 institutions reported holding it in 13F filings for Q2 2026, worth $30.3B in total; no superinvestor holds it.

Other share classesACGLNACGLO

13F holders, Q4 2025

Institutional positions in Arch Capital Group Ltd. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
923
+94 vs. Q3 2025
Shares held
325.2M
−671.9K (−0.2%) vs. Q3 2025
Total value
$31.2B
+$1.64B (+5.5%) vs. Q3 2025
New holders
163
337 more added
Sold out
69
315 more reduced

17 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ACGL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 923 institutions
Q1 2021: 422 institutionsQ2 2021: 404 institutionsQ3 2021: 424 institutionsQ4 2021: 461 institutionsQ1 2022: 508 institutionsQ2 2022: 503 institutionsQ3 2022: 487 institutionsQ4 2022: 579 institutionsQ1 2023: 624 institutionsQ2 2023: 670 institutionsQ3 2023: 688 institutionsQ4 2023: 766 institutionsQ1 2024: 802 institutionsQ2 2024: 806 institutionsQ3 2024: 852 institutionsQ4 2024: 845 institutionsQ1 2025: 852 institutionsQ2 2025: 855 institutionsQ3 2025: 846 institutionsQ4 2025: 923 institutionsQ1 2026: 918 institutionsQ2 2026: 912 institutions
Value heldQ4 2025: $31.2B
Q1 2021: $13.8BQ2 2021: $13.9BQ3 2021: $13.3BQ4 2021: $14.9BQ1 2022: $16.0BQ2 2022: $14.8BQ3 2022: $14.8BQ4 2022: $21.0BQ1 2023: $22.7BQ2 2023: $24.7BQ3 2023: $26.7BQ4 2023: $24.4BQ1 2024: $30.4BQ2 2024: $33.4BQ3 2024: $37.2BQ4 2024: $31.5BQ1 2025: $32.1BQ2 2025: $30.6BQ3 2025: $29.6BQ4 2025: $31.2BQ1 2026: $30.5BQ2 2026: $30.3B
Institutions holding ACGL and their total value by quarter
QuarterHoldersValue
Q2 2026912$30.3B
Q1 2026918$30.5B
Q4 2025923$31.2B
Q3 2025846$29.6B
Q2 2025855$30.6B
Q1 2025852$32.1B
Q4 2024845$31.5B
Q3 2024852$37.2B
Q2 2024806$33.4B
Q1 2024802$30.4B
Q4 2023766$24.4B
Q3 2023688$26.7B
Q2 2023670$24.7B
Q1 2023624$22.7B
Q4 2022579$21.0B
Q3 2022487$14.8B
Q2 2022503$14.8B
Q1 2022508$16.0B
Q4 2021461$14.9B
Q3 2021424$13.3B
Q2 2021404$13.9B
Q1 2021422$13.8B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Arch Capital Group Ltd.; share changes are against Q3 2025.

Institutions holding ACGL in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Confluence Investment Management LLC359,733$34.5M0.52%−29,287−7.5%Reduced
Healthcare of Ontario Pension Plan Trust Fund358,274$34.4M0.06%+343,560+2,334.9%Added
Korea Investment CORP357,724$34.3M0.07%+29,359+8.9%Added
Treasurer of the State of North Carolina344,777$33.1M0.11%−14,964−4.2%Reduced
Capitolis Liquid Global Markets LLC339,000$32.5M0.19%+339,000New
New York State Teachers Retirement System326,942$31.4M0.06%−8,514−2.5%Reduced
Adage Capital Partners GP, L.L.C.326,000$31.3M0.05%+270,732+489.9%Added
Susquehanna International Group, LLP324,267$31.1M0.04%+241,682+292.6%Added
Aviva PLC319,263$30.6M0.05%+18,686+6.2%Added
KBC Group NV317,007$30.4M0.07%−104,591−24.8%Reduced
State Board of Administration of Florida Retirement System313,366$30.1M0.05%−24,668−7.3%Reduced
Danske Bank A/S311,048$29.8M0.07%+23,100+8.0%Added
Universal- Beteiligungs- und Servicegesellschaft mbH292,070$28.0M0.05%+73,161+33.4%Added
Storebrand Asset Management AS288,398$27.7M0.07%+15,145+5.5%Added
Philo Smith Capital Corp287,570$27.6M7.59%00.0%Unchanged
SG Americas Securities, LLC285,210$27.4M0.04%+207,642+267.7%Added
PFA Pension, Forsikringsaktieselskab282,480$27.3M0.08%+282,480New
LPL Financial LLC280,805$26.9M0.01%−236,917−45.8%Reduced
STRS Ohio278,544$26.7M0.10%−181−0.1%Reduced
Standard Life Aberdeen plc277,789$26.6M0.04%−28,289−9.2%Reduced
Toronto Dominion Bank275,705$26.4M0.05%−10,180−3.6%Reduced
Acadian Asset Management LLC272,203$26.1M0.04%+125,386+85.4%Added
Zurcher Kantonalbank (Zurich Cantonalbank)268,919$25.8M0.06%+99,215+58.5%Added
CWM, LLC268,083$25.7M0.07%+10,485+4.1%Added
APG Asset Management N.V.311,937$25.5M0.07%−32,663−9.5%Reduced
Teacher Retirement System of Texas263,790$25.3M0.09%+214,691+437.3%Added
TD Asset Management Inc258,565$24.8M0.02%−25,559−9.0%Reduced
Arbejdsmarkedets Tillaegspension253,035$24.3M0.62%+253,035New
Mitsubishi UFJ Trust & Banking Corp250,804$24.1M0.06%−40,584−13.9%Reduced
Bank of Nova Scotia241,007$23.1M0.03%+80,651+50.3%Added
Allianz Asset Management GmbH230,778$22.1M0.03%+38,211+19.8%Added
Braun Stacey Associates Inc227,034$21.8M0.71%−70.0%Reduced
Natixis224,931$21.6M0.08%+48,060+27.2%Added
Janney Montgomery Scott LLC224,733$21.6M0.05%+103,350+85.1%Added
South Dakota Investment Council223,271$21.4M0.41%−7,300−3.2%Reduced
State of Wisconsin Investment Board215,521$20.7M0.05%−4,159−1.9%Reduced
Pictet Asset Management Holding SA215,322$20.7M0.02%−8,995−4.0%Reduced
Victory Capital Management Inc214,493$20.6M0.01%−4,919−2.2%Reduced
Royal London Asset Management Ltd206,011$19.8M0.04%+24,177+13.3%Added
J. Safra Sarasin Holding AG204,381$19.6M0.32%−80,959−28.4%Reduced
Robertson Opportunity Capital, LLC202,106$19.4M7.04%00.0%Unchanged
National Bank of Canada190,934$18.3M0.02%−170,929−47.2%Reduced
Mariner, LLC190,223$18.2M0.02%+53,327+39.0%Added
Asset Management One Co.,Ltd.187,002$18.0M0.05%+17,923+10.6%Added
Quantinno Capital Management LP186,248$17.9M0.04%+10,500+6.0%Added
Chevy Chase Trust Holdings, Inc.185,975$17.8M0.05%−5,918−3.1%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund184,450$17.7M0.15%−39,100−17.5%Reduced
Skandinaviska Enskilda Banken AB (publ)183,989$17.7M0.07%−7,599−4.0%Reduced
AustralianSuper Pty Ltd183,625$17.6M0.08%+107,494+141.2%Added
Illinois Municipal Retirement Fund182,076$17.5M0.22%+27,114+17.5%Added
Truist Financial Corp179,081$17.2M0.02%−14,744−7.6%Reduced
DekaBank Deutsche Girozentrale168,835$17.1M0.03%00.0%Unchanged
Brandywine Global Investment Management, LLC178,182$17.1M0.11%−3,420−1.9%Reduced
KLP Kapitalforvaltning AS172,641$16.6M0.06%00.0%Unchanged
Prudential PLC162,414$15.6M0.12%−23,052−12.4%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC159,546$15.3M0.04%−16,071−9.2%Reduced
Trexquant Investment LP155,758$14.9M0.13%+3,064+2.0%Added
Global Frontier Investments LLC150,000$14.4M2.84%00.0%Unchanged
State of Tennessee, Treasury Department147,496$14.2M0.05%+36,424+32.8%Added
Resona Asset Management Co.,Ltd.146,785$14.1M0.07%−6,369−4.2%Reduced
Mn Services Vermogensbeheer B.V.144,618$13.9M0.09%−882−0.6%Reduced
Wiley Bros.-Aintree Capital, LLC140,251$13.5M0.07%+93,106+197.5%Added
Lansforsakringar Fondforvaltning AB (publ)135,938$13.0M0.06%+8,333+6.5%Added
HRT Financial LP134,095$12.9M0.04%+134,095New
Northstar Group, Inc.130,193$12.5M1.70%+4,009+3.2%Added
Nomura Asset Management Co Ltd127,747$12.3M0.03%+240+0.2%Added
Federation des caisses Desjardins du Quebec127,676$12.2M0.05%−830−0.6%Reduced
Qsemble Capital Management, LP125,648$12.1M1.00%+125,648New
Williams Jones Wealth Management, LLC.123,759$11.9M0.13%−5,109−4.0%Reduced
Credit Agricole S A123,258$11.8M0.03%+5,076+4.3%Added
State of New Jersey Common Pension Fund D121,449$11.6M0.04%−4,625−3.7%Reduced
Public Employees Retirement System of Ohio119,811$11.5M0.04%−4,273−3.4%Reduced
Oppenheimer Asset Management Inc.118,854$11.4M0.14%−8,314−6.5%Reduced
Handelsbanken Fonder AB112,885$10.8M0.03%+31,408+38.5%Added
Rafferty Asset Management, LLC110,140$10.6M0.04%−13,559−11.0%Reduced
Creative Planning110,041$10.6M0.01%+47,495+75.9%Added
Tudor Investment Corp Et Al109,866$10.5M0.06%+4,278+4.1%Added
Pathstone Holdings, LLC108,212$10.4M0.04%+764+0.7%Added
Parkwood LLC107,792$10.3M0.88%+7,506+7.5%Added
Susquehanna Fundamental Investments, LLC107,217$10.3M0.35%+88,560+474.7%Added
Cetera Investment Advisers106,718$10.2M0.01%+15,248+16.7%Added
Mutual of America Capital Management LLC105,942$10.2M0.11%+9,950+10.4%Added
Mackenzie Financial Corp104,656$10.1M0.01%+21,845+26.4%Added
State of Michigan Retirement System102,500$9.83M0.05%−2,900−2.8%Reduced
Arizona State Retirement System102,264$9.81M0.05%−8,673−7.8%Reduced
Riposte Capital LLC100,000$9.59M3.98%+30,000+42.9%Added
Schwartz Investment Counsel Inc100,000$9.59M0.34%+100,000New
United Capital Financial Advisers, LLC96,904$9.30M0.06%+83,511+623.5%Added
Ieq Capital, LLC95,861$9.20M0.03%+78,356+447.6%Added
Kinsale Capital Group, Inc.95,628$9.17M1.52%+3,602+3.9%Added
Czech National Bank95,216$9.13M0.06%+814+0.9%Added
Spence Asset Management94,130$9.03M1.84%−4,327−4.4%Reduced
Swiss Life Asset Management Ltd92,173$8.84M0.05%−79,840−46.4%Reduced
Public Sector Pension Investment Board91,914$8.82M0.03%+11,754+14.7%Added
ProShare Advisors LLC89,707$8.60M0.02%+972+1.1%Added
CIBC Asset Management Inc89,006$8.54M0.02%+37,051+71.3%Added
Heartland Advisors Inc87,678$8.41M0.45%−230.0%Reduced
Wedge Capital Management L L P87,133$8.36M0.15%−19,855−18.6%Reduced
MetLife Investment Management86,488$8.30M0.04%−5,618−6.1%Reduced
Oxbow Advisors, LLC84,290$8.09M0.71%+38,402+83.7%Added