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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, Q3 2025

Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 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
1,342
−21 vs. Q2 2025
Shares held
225.4M
+2.22M (+1.0%) vs. Q2 2025
Total value
$69.7B
−$1.65B (−2.3%) vs. Q2 2025
New holders
115
511 more added
Sold out
136
488 more reduced

17 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 1,342 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 heldQ3 2025: $69.7B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2025.

Institutions holding AJG in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
South State Corp.63$19.5K0.00%−11−14.9%Reduced
Rialto Wealth Management, LLC64$19.8K0.01%+6+10.3%Added
United Community Bank66$20.4K0.01%+7+11.9%Added
Asset Dedication, LLC66$20.4K0.00%+8+13.8%Added
Wealth Watch Advisors, INC67$20.8K0.01%+67New
Global Wealth Strategies & Associates70$21.7K0.01%00.0%Unchanged
High Note Wealth, LLC73$22.6K0.00%+16+28.1%Added
Painted Porch Advisors LLC74$22.9K0.01%−33−30.8%Reduced
JFS Wealth Advisors, LLC74$22.9K0.00%00.0%Unchanged
Piscataqua Savings Bank75$23.2K0.02%−75−50.0%Reduced
Beaird Harris Wealth Management, LLC79$24.5K0.00%+2+2.6%Added
Salem Investment Counselors Inc79$24.5K0.00%+30+61.2%Added
Bank of Jackson Hole Trust81$25.1K0.01%00.0%Unchanged
Imprint Wealth LLC84$26.0K0.08%+84New
Strategic Investment Solutions, Inc.93$28.8K0.01%00.0%Unchanged
Bogart Wealth, LLC94$29.0K0.00%+3+3.3%Added
Truvestments Capital LLC94$29.1K0.01%+38+67.9%Added
Evergreen Private Wealth LLC96$29.7K0.01%00.0%Unchanged
Hemington Wealth Management99$30.0K0.00%−6−5.7%Reduced
UMA Financial Services, Inc.97$30.0K0.00%+87+870.0%Added
CVA Family Office, LLC99$30.7K0.00%−48−32.7%Reduced
Centennial Bank100$31.0K0.01%00.0%Unchanged
SOA Wealth Advisors, LLC.100$31.0K0.01%+100New
Binnacle Investments Inc102$31.6K0.02%−1−1.0%Reduced
Pin Oak Investment Advisors Inc103$31.9K0.02%00.0%Unchanged
Retirement Wealth Solutions LLC103$31.9K0.02%00.0%Unchanged
DiNuzzo Private Wealth, Inc.109$33.0K0.00%00.0%Unchanged
Dunhill Financial, LLC109$33.9K0.01%+84+336.0%Added
Princeton Global Asset Management LLC112$34.7K0.01%−10−8.2%Reduced
Motco112$34.7K0.00%00.0%Unchanged
SJS Investment Consulting Inc.113$35.0K0.00%00.0%Unchanged
J.Safra Asset Management Corp114$35.3K0.00%+12+11.8%Added
GoalVest Advisory LLC115$35.6K0.01%00.0%Unchanged
CBIZ Investment Advisory Services, LLC119$36.7K0.00%−40−25.2%Reduced
Private Wealth Asset Management, LLC122$37.7K0.00%00.0%Unchanged
Rakuten Securities, Inc.125$38.7K0.01%+20+19.0%Added
Financial Life Planners125$38.8K0.03%+125New
Cornerstone National Bank & Trust Co129$40.0K0.02%00.0%Unchanged
Glen Eagle Advisors, LLC130$40.3K0.01%00.0%Unchanged
Hollencrest Capital Management133$41.2K0.00%00.0%Unchanged
Westside Investment Management, Inc.136$41.6K0.01%+68+100.0%Added
Prestige Wealth Management Group LLC135$41.8K0.01%00.0%Unchanged
Central Pacific Bank - Trust Division135$41.8K0.01%+39+40.6%Added
MV Capital Management, Inc.141$43.7K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc146$45.2K0.00%00.0%Unchanged
Parvin Asset Management, LLC146$45.2K0.04%+21+16.8%Added
Annis Gardner Whiting Capital Advisors, LLC148$45.8K0.01%−111−42.9%Reduced
City State Bank150$46.5K0.01%00.0%Unchanged
DT Investment Partners, LLC152$47.1K0.00%00.0%Unchanged
Solstein Capital, LLC153$47.4K0.02%00.0%Unchanged
Disciplina Capital Management LLC155$47.9K0.01%+1+0.6%Added
Rise Advisors, LLC157$48.6K0.02%+4+2.6%Added
Ogorek Anthony Joseph159$49.0K0.01%+1+0.6%Added
Exchange Traded Concepts, LLC162$50.2K0.00%−8,780−98.2%Reduced
Stuart Chaussee & Associates, Inc.162$50.2K0.01%00.0%Unchanged
Medallion Wealth Advisors, LLC163$50.5K0.02%+163New
Ameriflex Group, Inc.164$50.8K0.02%+130+382.4%Added
Delta Asset Management LLC170$52.7K0.00%00.0%Unchanged
Boreal Capital Management LLC170$52.7K0.04%00.0%Unchanged
TSFG, LLC171$53.0K0.01%00.0%Unchanged
Hallmark Capital Management Inc174$53.9K0.00%+31+21.7%Added
NVWM, LLC181$56.1K0.01%−3,774−95.4%Reduced
Hilltop National Bank186$57.6K0.01%+1+0.5%Added
Osterweis Capital Management Inc197$61.0K0.00%−275−58.3%Reduced
Paladin Advisory Group, LLC200$61.9K0.05%00.0%Unchanged
Broadwater Capital Management LLC200$61.9K0.05%−63,824−99.7%Reduced
Steigerwald, Gordon & Koch Inc.200$61.9K0.01%+200New
Tortoise Investment Management, LLC205$63.5K0.01%−9−4.2%Reduced
Lavaca Capital LLC205$63.5K0.01%00.0%Unchanged
Quent Capital, LLC205$63.6K0.01%+205New
Quest Partners LLC206$63.8K0.00%+144+232.3%Added
Richardson Financial Services Inc.216$66.9K0.04%+52+31.7%Added
ZRC Wealth Management, LLC219$67.9K0.02%+5+2.3%Added
Covestor Ltd230$71.0K0.04%−80−25.8%Reduced
Root Financial Partners, LLC237$73.4K0.00%+237New
Valley National Advisers Inc255$78.0K0.01%−73−22.3%Reduced
Mascoma Wealth Management LLC256$79.3K0.02%−45−15.0%Reduced
Versant Capital Management, Inc257$79.6K0.01%+1+0.4%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA265$82.1K0.02%00.0%Unchanged
Zions Bancorporation, National Association266$82.4K0.00%−652−71.0%Reduced
Salomon & Ludwin, LLC276$85.7K0.01%+132+91.7%Added
Nemes Rush Group LLC288$89.2K0.01%−4−1.4%Reduced
MCF Advisors LLC288$89.2K0.01%+16+5.9%Added
Deseret Mutual Benefit Administrators289$89.5K0.04%00.0%Unchanged
LFA - Lugano Financial Advisors SA291$90.1K0.05%00.0%Unchanged
Tripletail Wealth Management, LLC300$93.4K0.11%+300New
ORG Partners LLC308$95.7K0.02%+67+27.8%Added
JPL Wealth Management, LLC318$98.5K0.02%+318New
Bruce G. Allen Investments, LLC321$99.4K0.07%−11−3.3%Reduced
Rosenberg Matthew Hamilton324$100.4K0.02%00.0%Unchanged
TCTC Holdings, LLC328$101.6K0.00%00.0%Unchanged
Resources Management Corp329$102.0K0.01%00.0%Unchanged
Financial Network Wealth Advisors LLC338$104.7K0.11%+22+7.0%Added
Loring Wolcott & Coolidge Fiduciary Advisors LLP400$113.0K0.00%+115+40.4%Added
Strategic Wealth Partners, Ltd.368$114.0K0.01%−2,237−85.9%Reduced
REAP Financial Group, LLC378$117.0K0.03%+65+20.8%Added
Cornerstone Planning Group LLC455$119.3K0.02%+167+58.0%Added
Manchester Capital Management LLC395$122.3K0.02%−1,459−78.7%Reduced
Larson Financial Group LLC401$124.3K0.00%−200−33.3%Reduced
Bangor Savings Bank414$128.2K0.01%00.0%Unchanged