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Arthur J. Gallagher & Co.

AJG
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
SEC CIK
0000354190

In the last 90 days, Arthur J. Gallagher & Co. insiders filed 0 open-market purchases and 4 sales; 1,295 institutions reported holding it in 13F filings for Q2 2026, worth $54.7B in total; no superinvestor holds it.

13F holders, Q4 2024

Institutional positions in Arthur J. Gallagher & Co. as of Dec 31, 2024. 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
1,325
+140 vs. Q3 2024
Shares held
232.4M
+45.8M (+24.5%) vs. Q3 2024
Total value
$65.9B
+$13.5B (+25.7%) vs. Q3 2024
New holders
220
561 more added
Sold out
80
331 more reduced

18 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AJG 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 2024: 1,325 institutions
Q1 2021: 732 institutionsQ2 2021: 779 institutionsQ3 2021: 775 institutionsQ4 2021: 854 institutionsQ1 2022: 817 institutionsQ2 2022: 823 institutionsQ3 2022: 865 institutionsQ4 2022: 921 institutionsQ1 2023: 951 institutionsQ2 2023: 976 institutionsQ3 2023: 999 institutionsQ4 2023: 1,082 institutionsQ1 2024: 1,130 institutionsQ2 2024: 1,153 institutionsQ3 2024: 1,203 institutionsQ4 2024: 1,325 institutionsQ1 2025: 1,360 institutionsQ2 2025: 1,380 institutionsQ3 2025: 1,342 institutionsQ4 2025: 1,299 institutionsQ1 2026: 1,248 institutionsQ2 2026: 1,295 institutions
Value heldQ4 2024: $65.9B
Q1 2021: $20.6BQ2 2021: $24.6BQ3 2021: $26.3BQ4 2021: $30.1BQ1 2022: $31.0BQ2 2022: $29.1BQ3 2022: $31.2BQ4 2022: $34.1BQ1 2023: $34.7BQ2 2023: $39.9BQ3 2023: $42.3BQ4 2023: $41.9BQ1 2024: $46.5BQ2 2024: $49.1BQ3 2024: $52.8BQ4 2024: $65.9BQ1 2025: $79.0BQ2 2025: $72.9BQ3 2025: $69.7BQ4 2025: $60.6BQ1 2026: $49.7BQ2 2026: $54.7B
Institutions holding AJG and their total value by quarter
QuarterHoldersValue
Q2 20261,295$54.7B
Q1 20261,248$49.7B
Q4 20251,299$60.6B
Q3 20251,342$69.7B
Q2 20251,380$72.9B
Q1 20251,360$79.0B
Q4 20241,325$65.9B
Q3 20241,203$52.8B
Q2 20241,153$49.1B
Q1 20241,130$46.5B
Q4 20231,082$41.9B
Q3 2023999$42.3B
Q2 2023976$39.9B
Q1 2023951$34.7B
Q4 2022921$34.1B
Q3 2022865$31.2B
Q2 2022823$29.1B
Q1 2022817$31.0B
Q4 2021854$30.1B
Q3 2021775$26.3B
Q2 2021779$24.6B
Q1 2021732$20.6B

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2024.

Institutions holding AJG in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
SRS Capital Advisors, Inc.480$136.4K0.01%+420+700.0%Added
CoreCap Advisors, LLC483$137.1K0.01%+84+21.1%Added
Cromwell Holdings LLC493$139.9K0.08%00.0%Unchanged
Reyes Financial Architecture, Inc.500$141.9K0.11%+500New
CarsonAllaria Wealth Management, Ltd.500$142.1K0.08%+1+0.2%Added
Osterweis Capital Management Inc507$143.9K0.01%−150−22.8%Reduced
Resources Management Corp518$147.0K0.02%−60−10.4%Reduced
Hamilton Capital Partners Inc.522$148.2K0.01%−333−38.9%Reduced
Center for Financial Planning, Inc.535$151.9K0.02%00.0%Unchanged
Pinnacle Bancorp, Inc.543$154.1K0.05%+200+58.3%Added
Atwood & Palmer Inc556$157.8K0.01%00.0%Unchanged
Stance Capital LLC570$161.8K0.10%+570New
Gables Capital Management Inc.580$164.6K0.08%00.0%Unchanged
HM Payson & Co611$173.4K0.00%−4−0.7%Reduced
Acadian Asset Management LLC637$180.0K0.00%00.0%Unchanged
Key Financial Inc636$180.5K0.04%+146+29.8%Added
Pflug Koory, LLC648$183.9K0.09%−25−3.7%Reduced
Cerro Pacific Wealth Advisors LLC712$200.4K0.07%+712New
Embree Financial Group706$200.5K0.03%+706New
SageView Advisory Group, LLC709$201.1K0.01%+709New
Moran Wealth Management, LLC710$201.5K0.01%+710New
Empirical Asset Management, LLC710$201.6K0.07%+710New
AlphaCentric Advisors LLC711$201.8K0.20%−20−2.7%Reduced
Buckingham Strategic Partners715$203.0K0.00%+715New
Consolidated Planning Corp716$203.2K0.03%+716New
Alta Advisers Ltd718$203.8K0.13%+118+19.7%Added
Baader Bank INC721$204.0K0.02%−108−13.0%Reduced
Wealthcare Advisory Partners LLC722$205.1K0.01%+722New
Gryphon Financial Partners LLC724$205.4K0.03%−14−1.9%Reduced
Mountain Hill Investment Partners Corp.725$205.9K0.21%+725New
Beacon Investment Advisors LLC729$207.1K0.10%+729New
Evergreen Capital Management LLC735$208.6K0.01%+3+0.4%Added
Keeler & Nadler Financial Planning & Wealth Management736$208.9K0.10%−85−10.4%Reduced
Paradigm Financial Partners, LLC736$208.9K0.03%+736New
Trust Co737$209.2K0.02%00.0%Unchanged
Washington Trust Bank737$209.2K0.02%+1+0.1%Added
Federated Hermes, Inc.739$209.8K0.00%−378−33.8%Reduced
Titleist Asset Management, LLC740$210.0K0.02%+740New
Morton Capital Management LLC750$212.9K0.04%00.0%Unchanged
Regent Peak Wealth Advisors LLC751$213.2K0.05%+14+1.9%Added
Aprio Wealth Management, LLC752$213.4K0.03%+752New
Fisher Asset Management, LLC755$214.6K0.00%+755New
Braun-Bostich & Associates Inc.756$214.6K0.15%−44−5.5%Reduced
West Oak Capital, LLC756$214.6K0.08%00.0%Unchanged
Truepoint, Inc.760$215.7K0.01%+760New
Baker Tilly Wealth Management, LLC761$216.0K0.08%+761New
Equitable Trust Co762$216.3K0.01%00.0%Unchanged
Formidable Asset Management, LLC769$218.3K0.04%00.0%Unchanged
Cary Street Partner Investment Advisory LLC775$220.0K0.14%−1,497−65.9%Reduced
Advisors Capital Management, LLC778$221.1K0.00%+778New
Fullcircle Wealth LLC674$221.4K0.09%+674New
Kavar Capital Partners Group, LLC789$224.0K0.04%+789New
Trust Point Inc.791$224.5K0.02%+7+0.9%Added
Altfest L J & Co Inc797$226.3K0.03%+24+3.1%Added
Axecap Investments, LLC800$227.1K0.17%−7,946−90.9%Reduced
Westshore Wealth, LLC800$227.1K0.09%00.0%Unchanged
Diversify Advisory Services, LLC794$227.8K0.01%+794New
Simon Quick Advisors, LLC805$228.5K0.01%+805New
WPG Advisers, LLC807$229.1K0.21%+807New
1620 Investment Advisors, Inc.808$229.4K0.17%00.0%Unchanged
BOS Asset Management, LLC808$229.4K0.08%00.0%Unchanged
Wealth Architects, LLC810$229.9K0.03%00.0%Unchanged
Eastern Bank820$232.8K0.00%−41−4.8%Reduced
Wesbanco Bank Inc821$233.0K0.01%−37−4.3%Reduced
SC&H Financial Advisors, Inc.824$233.9K0.05%−700−45.9%Reduced
Essex Savings Bank828$235.0K0.06%+11+1.3%Added
Parcion Private Wealth LLC831$235.9K0.02%−24−2.8%Reduced
JT Stratford LLC834$236.7K0.04%−18−2.1%Reduced
Hutchens & Kramer Investment Management Group, LLC835$237.0K0.13%+835New
L2 Asset Management, LLC841$238.7K0.05%−9−1.1%Reduced
Bellecapital International Ltd.848$240.7K0.04%+848New
Flow Traders U.S. LLC850$241.0K0.01%+850New
Lindbrook Capital, LLC854$242.4K0.02%+23+2.8%Added
Investment Advisory Services Inc857$243.3K0.09%+58+7.3%Added
West Branch Capital LLC858$243.5K0.08%00.0%Unchanged
International Assets Investment Management, LLC883$243.6K0.02%−231,529−99.6%Reduced
Whipplewood Advisors, LLC860$244.1K0.14%+860New
Camden Capital, LLC864$245.2K0.03%+56+6.9%Added
Catalyst Financial Partners LLC875$248.4K0.05%+45+5.4%Added
Graham Capital Management, L.P.888$252.1K0.01%+888New
Guardian Wealth Advisors, LLC890$252.6K0.02%+13+1.5%Added
Sierra Ocean, LLC890$252.9K0.21%+890New
LGL Partners, LLC892$253.2K0.04%+95+11.9%Added
Wealth Alliance892$253.2K0.03%+892New
Sentry Investment Management LLC896$254.0K0.12%−146−14.0%Reduced
PDS Planning, Inc898$254.9K0.02%+23+2.6%Added
Summit Global Investments897$255.0K0.02%−28−3.0%Reduced
Fort Sheridan Advisors LLC900$255.5K0.04%+100+12.5%Added
Kaizen Financial Strategies907$257.5K0.15%+2+0.2%Added
Northwest Bancshares, Inc.917$260.3K0.05%00.0%Unchanged
CWA Asset Management Group, LLC918$260.7K0.01%+13+1.4%Added
Longboard Asset Management, LP924$262.3K0.69%+924New
Investmark Advisory Group LLC927$263.3K0.13%00.0%Unchanged
Portside Wealth Group, LLC931$264.3K0.04%+143+18.1%Added
Verdence Capital Advisors LLC932$264.7K0.02%00.0%Unchanged
Harbour Investments, Inc.935$265.5K0.01%+50+5.6%Added
Brighton Jones LLC943$267.5K0.01%−3−0.3%Reduced
Armis Advisers, LLC945$268.3K0.03%+945New
Clarius Group, LLC946$268.5K0.02%+3+0.3%Added
Proficio Capital Partners LLC948$269.2K0.02%+156+19.7%Added