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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, Q1 2025

Institutional positions in Arthur J. Gallagher & Co. as of Mar 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
1,360
+58 vs. Q4 2024
Shares held
228.9M
−2.17M (−0.9%) vs. Q4 2024
Total value
$79.0B
+$13.4B (+20.4%) vs. Q4 2024
New holders
179
549 more added
Sold out
121
448 more reduced

23 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 1,360 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 heldQ1 2025: $79.0B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q4 2024.

Institutions holding AJG in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Cromwell Holdings LLC505$174.3K0.11%+12+2.4%Added
Osterweis Capital Management Inc507$175.0K0.01%00.0%Unchanged
Hamilton Capital Partners Inc.508$175.4K0.01%−14−2.7%Reduced
Resources Management Corp516$178.0K0.03%−2−0.4%Reduced
Leonteq Securities AG517$178.6K0.01%+78+17.8%Added
Larson Financial Group LLC530$182.9K0.01%+264+99.2%Added
Center for Financial Planning, Inc.535$184.7K0.02%00.0%Unchanged
Parkside Financial Bank & Trust535$184.7K0.02%+67+14.3%Added
Pinnacle Bancorp, Inc.543$187.5K0.06%00.0%Unchanged
Gables Capital Management Inc.580$200.2K0.10%00.0%Unchanged
Ameritas Advisory Services, LLC603$203.7K0.01%+603New
CoreCap Advisors, LLC590$203.7K0.01%+107+22.2%Added
Independent Financial Group, LLC590$203.7K0.01%+590New
Summit Financial Wealth Advisors, LLC592$204.4K0.04%+592New
Advus Financial Partners, LLC594$205.1K0.06%+594New
Foster Group, Inc.604$208.5K0.01%+604New
Platform Technology Partners605$208.9K0.06%+605New
Measured Wealth Private Client Group, LLC605$208.9K0.07%+605New
AA Financial Advisors, LLC607$209.6K0.05%+607New
Corundum Group, Inc.611$210.9K0.10%+611New
Fiduciary Group LLC612$211.3K0.02%+612New
IFC Advisors LLC614$212.0K0.04%+614New
Black Diamond Financial, LLC615$212.2K0.03%+615New
EntryPoint Capital, LLC615$212.3K0.10%+615New
Burton Enright Welch622$214.7K0.04%+622New
Phoenix Holdings Ltd.620$215.1K0.00%+620New
Resonant Capital Advisors, LLC629$217.2K0.02%+629New
Titleist Asset Management, LLC631$218.0K0.03%−109−14.7%Reduced
Ironwood Investment Counsel, LLC632$218.2K0.04%+632New
Fayez Sarofim & Co634$218.9K0.00%+634New
Veracity Capital LLC636$219.5K0.09%+636New
Armis Advisers, LLC636$219.6K0.02%−309−32.7%Reduced
Key Financial Inc637$219.9K0.05%+1+0.2%Added
Kelly Financial Services LLC637$220.0K0.08%+637New
Berkshire Bank640$221.0K0.05%+640New
Williams Jones Wealth Management, LLC.641$221.3K0.00%+641New
Pflug Koory, LLC648$223.7K0.12%00.0%Unchanged
Abel Hall, LLC651$224.7K0.14%+651New
LRI Investments, LLC651$224.8K0.02%+651New
Kovack Advisors, Inc.651$224.8K0.02%+651New
Avidian Wealth Solutions, LLC658$227.0K0.01%+658New
Founders Financial Alliance, LLC658$227.1K0.06%+658New
Mengis Capital Management, Inc.660$227.9K0.05%+660New
NBC Securities, Inc.663$228.0K0.02%+663New
Peapack Gladstone Financial Corp662$229.0K0.00%+662New
Cerro Pacific Wealth Advisors LLC809$229.5K0.07%+97+13.6%Added
Gitterman Wealth Management, LLC665$229.7K0.06%+665New
Diversified Trust Co666$229.9K0.01%−1,692−71.8%Reduced
Formidable Asset Management, LLC669$231.0K0.04%−100−13.0%Reduced
BBR Partners, LLC671$231.7K0.02%+671New
Sandia Investment Management LP673$232.3K0.68%−4,327−86.5%Reduced
Elm3 Financial Group, LLC673$232.3K0.20%+673New
Souders Financial Advisors673$232.4K0.03%+673New
IHT Wealth Management, LLC674$232.7K0.01%+674New
Councilmark Asset Management, LLC675$233.0K0.16%+675New
Redwood Financial Network Corp676$233.4K0.18%+676New
Pure Financial Advisors, Inc.677$233.7K0.00%+677New
Wealth Architects, LLC678$234.1K0.03%−132−16.3%Reduced
Moors & Cabot, Inc.683$235.8K0.01%+683New
Nebula Research & Development LLC683$235.8K0.02%+683New
Childress Capital Advisors, LLC683$235.8K0.07%+683New
Paradigm Financial Partners, LLC686$236.8K0.03%−50−6.8%Reduced
Kuhn & Co Investment Counsel686$236.8K0.20%+686New
Fullcircle Wealth LLC733$237.4K0.10%+59+8.8%Added
Grant Street Asset Management, Inc.691$238.4K0.06%+691New
Fielder Capital Group LLC691$238.5K0.07%+691New
Relyea Zuckerberg Hanson LLC691$238.6K0.03%+691New
Cornerstone Wealth Management, LLC693$239.3K0.02%+693New
Clear Creek Financial Management, LLC694$239.6K0.02%+694New
West Family Investments, Inc.699$241.3K0.09%−527−43.0%Reduced
Natural Investments, LLC701$242.0K0.07%+701New
FourThought Financial Partners, LLC701$242.0K0.03%+701New
Great Lakes Advisors, LLC702$242.4K0.00%+702New
Jacobi Capital Management LLC703$242.8K0.02%+703New
SageView Advisory Group, LLC703$242.9K0.01%−6−0.8%Reduced
Embree Financial Group706$243.8K0.04%00.0%Unchanged
Sentry Investment Management LLC786$244.0K0.17%−110−12.3%Reduced
D'Orazio & Associates, Inc.713$246.2K0.04%+713New
Aaron Wealth Advisors722$249.3K0.03%+722New
West Branch Capital LLC722$249.3K0.08%−136−15.9%Reduced
GW Henssler & Associates Ltd723$249.6K0.01%+723New
Mountain Hill Investment Partners Corp.725$250.4K0.24%00.0%Unchanged
Keeler & Nadler Financial Planning & Wealth Management736$250.8K0.11%00.0%Unchanged
Somerville Kurt F730$252.0K0.04%+730New
Trust Co739$255.1K0.03%+2+0.3%Added
Axecap Investments, LLC740$255.5K0.22%−60−7.5%Reduced
Diversify Advisory Services, LLC808$256.3K0.02%+14+1.8%Added
Norden Group LLC743$256.4K0.03%+743New
Regent Peak Wealth Advisors LLC743$256.5K0.06%−8−1.1%Reduced
Daymark Wealth Partners, LLC743$256.6K0.01%+743New
Aspiriant, LLC746$257.5K0.01%+746New
Allen Mooney & Barnes Investment Advisors LLC749$258.7K0.04%+749New
Intrepid Capital Management Inc750$258.9K0.13%+750New
Bingham Private Wealth, LLC750$258.9K0.27%+750New
Inceptionr LLC754$260.3K0.08%−5,048−87.0%Reduced
West Oak Capital, LLC756$261.0K0.10%00.0%Unchanged
Aprio Wealth Management, LLC756$261.1K0.03%+4+0.5%Added
WPG Advisers, LLC758$261.7K0.24%−49−6.1%Reduced
Truepoint, Inc.760$262.4K0.01%00.0%Unchanged
Equitable Trust Co762$263.1K0.01%00.0%Unchanged