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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 2025

Institutional positions in Arthur J. Gallagher & Co. 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
1,299
−15 vs. Q3 2025
Shares held
234.2M
+9.18M (+4.1%) vs. Q3 2025
Total value
$60.6B
−$9.03B (−13.0%) vs. Q3 2025
New holders
159
393 more added
Sold out
174
566 more reduced

28 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 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 2025: 1,299 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 2025: $60.6B
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 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2025.

Institutions holding AJG in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Northwest Bancshares, Inc.917$237.3K0.05%00.0%Unchanged
Howe & Rusling Inc921$238.4K0.02%+921New
AssuredPartners Investment Advisors, LLC930$240.7K0.04%−88−8.6%Reduced
Investmark Advisory Group LLC930$240.8K0.10%+1+0.1%Added
Guardian Wealth Advisors, LLC935$242.0K0.02%+34+3.8%Added
Transamerica Financial Advisors, Inc.944$244.2K0.02%−14,794−94.0%Reduced
Old North State Wealth Management, LLC942$244.7K0.11%−551−36.9%Reduced
Verdence Capital Advisors LLC946$244.9K0.01%+1+0.1%Added
Texas Bank & Trust Co950$245.9K0.09%00.0%Unchanged
Patton Fund Management, Inc.950$245.9K0.03%+267+39.1%Added
True North Advisors, LLC951$246.1K0.03%+951New
TD Waterhouse Canada Inc.951$246.1K0.00%−868−47.7%Reduced
Pinnacle Wealth Management Advisory Group, LLC964$249.5K0.02%−25−2.5%Reduced
Carret Asset Management, LLC975$252.3K0.02%00.0%Unchanged
Alta Advisers Ltd978$253.1K0.09%−240−19.7%Reduced
Corundum Group, Inc.978$253.1K0.08%+298+43.8%Added
Compass Ion Advisors, LLC982$254.1K0.02%−5−0.5%Reduced
Natural Investments, LLC986$255.0K0.06%+16+1.6%Added
LongView Wealth Management963$255.2K0.06%+2+0.2%Added
S-Bank Fund Management Ltd986$255.2K0.03%−15−1.5%Reduced
Clear Street Markets LLC986$255.2K0.05%+543+122.6%Added
Optivise Advisory Services LLC989$256.0K0.15%+301+43.8%Added
Grove Bank & Trust991$256.5K0.03%00.0%Unchanged
Parsonex Advisory Services, Inc.997$258.0K0.16%−32−3.1%Reduced
RBF Capital, LLC1,000$258.8K0.01%00.0%Unchanged
Trinity Financial Advisors LLC1,000$258.8K0.07%00.0%Unchanged
RFP Financial Group LLC1,000$258.8K0.12%00.0%Unchanged
NTV Asset Management LLC1,002$259.3K0.03%−95−8.7%Reduced
Capital Advisors Inc1,003$259.6K0.00%−1−0.1%Reduced
K.J. Harrison & Partners Inc1,004$259.8K0.03%+1,004New
Consolidated Capital Management, LLC1,005$260.1K0.08%+330+48.9%Added
BancorpSouth Bank1,015$262.7K0.02%−93−8.4%Reduced
Moors & Cabot, Inc.1,016$262.9K0.01%+144+16.5%Added
KLCM Advisors, Inc.1,022$264.5K0.02%−10−1.0%Reduced
City Holding Co1,022$264.5K0.03%00.0%Unchanged
MASTERINVEST Kapitalanlage GmbH1,013$265.2K0.03%00.0%Unchanged
Tranquility Partners, LLC1,026$265.5K0.10%−433−29.7%Reduced
Clark Capital Management Group, Inc.1,026$265.6K0.00%−156,673−99.3%Reduced
First Business Financial Services, Inc.1,037$268.4K0.02%00.0%Unchanged
Trust Co1,043$269.9K0.03%+302+40.8%Added
Perennial Investment Advisors, LLC1,050$271.6K0.02%−38−3.5%Reduced
Cherry Creek Investment Advisors, Inc.1,050$271.7K0.12%00.0%Unchanged
Red Spruce Capital, LLC1,050$271.7K0.11%00.0%Unchanged
Beacon Investment Advisors LLC1,053$272.6K0.11%+88+9.1%Added
Baker Tilly Wealth Management, LLC1,058$273.8K0.07%+25+2.4%Added
Hutchens & Kramer Investment Management Group, LLC1,063$275.1K0.10%+14+1.3%Added
PDS Planning, Inc1,064$275.4K0.02%−58−5.2%Reduced
Sivia Capital Partners, LLC1,066$275.9K0.06%00.0%Unchanged
NLB Skladi, upravljanje premozenja, d.o.o.1,069$276.6K0.01%+1,069New
Cahaba Wealth Management, Inc.1,073$277.7K0.02%+2+0.2%Added
Burns Matteson Capital Management, LLC1,077$278.7K0.11%−34−3.1%Reduced
Westpac Banking Corp1,079$279.2K0.02%00.0%Unchanged
American National Bank1,081$279.8K0.03%+10+0.9%Added
J. Safra Sarasin Holding AG1,082$280.0K0.00%+411+61.3%Added
Mowery & Schoenfeld Wealth Management, LLC1,087$281.3K0.41%−116−9.6%Reduced
Green Harvest Asset Management LLC1,092$282.6K0.00%−23−2.1%Reduced
Keel Point, LLC1,092$282.6K0.02%−221−16.8%Reduced
Souders Financial Advisors1,092$282.7K0.03%−14−1.3%Reduced
Spire Wealth Management1,095$283.4K0.01%−495−31.1%Reduced
Excalibur Management Corp1,109$287.1K0.10%00.0%Unchanged
Peapack Gladstone Financial Corp1,128$292.0K0.00%−21,333−95.0%Reduced
SeaCrest Wealth Management, LLC1,130$292.7K0.03%−227−16.7%Reduced
Syntegra Private Wealth Group, LLC1,132$292.9K0.03%−116−9.3%Reduced
Successful Portfolios LLC1,113$294.4K0.15%+9+0.8%Added
Resolute Capital, LLC1,142$295.5K0.12%+1,142New
KCM Investment Advisors LLC1,145$296.3K0.01%+18+1.6%Added
WealthPoint Financial, LLC1,146$296.6K0.26%+1,146New
Boston Family Office LLC1,150$298.0K0.02%00.0%Unchanged
Wrenne Financial Planning LLC1,155$298.9K0.12%00.0%Unchanged
Cerro Pacific Wealth Advisors LLC1,157$299.4K0.08%+71+6.5%Added
Los Angeles Capital Management LLC1,152$301.9K0.00%−470−29.0%Reduced
Gen-Wealth Partners Inc1,167$302.0K0.10%+73+6.7%Added
Carnegie Capital Asset Management, LLC1,171$303.0K0.01%−19−1.6%Reduced
San Luis Wealth Advisors LLC1,172$303.3K0.05%+1+0.1%Added
West Family Investments, Inc.1,174$303.8K0.07%−92−7.3%Reduced
Fulton Breakefield Broenniman LLC1,175$304.1K0.02%+120+11.4%Added
Sbe LLC Dba Cedar Cove Wealth Partners1,182$305.9K0.16%+1,182New
Glenview Trust Co1,182$305.9K0.00%+172+17.0%Added
Wilkins Investment Counsel Inc1,185$306.7K0.04%00.0%Unchanged
Stokes Family Office, LLC1,185$306.7K0.03%+441+59.3%Added
SmartHarvest Portfolios, LLC1,185$306.7K0.11%+1,185New
Lifestyle Asset Management, Inc.1,189$307.7K0.10%+23+2.0%Added
Spinnaker Trust1,195$309.3K0.02%00.0%Unchanged
Principle Wealth Partners LLC1,195$309.3K0.02%+3+0.3%Added
Park Place Capital Corp1,197$309.8K0.06%−52−4.2%Reduced
OneAscent Family Office, LLC1,204$311.6K0.21%+12+1.0%Added
Asset Planning,Inc1,206$312.2K0.22%+3+0.2%Added
MidFirst Bank1,209$312.9K0.02%+1,209New
Frec Markets, Inc.1,209$313.0K0.09%+1,209New
Massmutual Trust Co FSB1,211$313.4K0.01%−152−11.2%Reduced
Hoxton Planning & Management, LLC1,212$313.7K0.09%−328−21.3%Reduced
Foundations Investment Advisors, LLC1,214$314.1K0.00%+205+20.3%Added
Koshinski Asset Management, Inc.1,216$314.7K0.02%−43−3.4%Reduced
Center for Financial Planning, Inc.1,223$316.5K0.03%+172+16.4%Added
Fukoku Mutual Life Insurance Co1,225$317.0K0.02%−717−36.9%Reduced
Roble, Belko & Company, Inc1,231$319.0K0.04%00.0%Unchanged
Values First Advisors, Inc.1,236$319.8K0.17%+154+14.2%Added
Freestone Capital Holdings, LLC1,239$320.7K0.01%−13−1.0%Reduced
Angeles Wealth Management, LLC1,248$323.0K0.02%+4+0.3%Added
Reynders McVeigh Capital Management, LLC1,251$324.0K0.02%+1+0.1%Added