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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
Cetera Trust Company, N.A34$8.80K0.00%00.0%Unchanged
Kilter Group LLC35$9.06K0.00%−4−10.3%Reduced
Optima Capital LLC36$9.32K0.00%+36New
Bell Investment Advisors, Inc37$9.58K0.00%+1+2.8%Added
Raffa Wealth Management, LLC40$10.4K0.00%+8+25.0%Added
Jessup Wealth Management, Inc40$10.4K0.00%+40New
Titan Wealth (CI) Ltd41$10.6K0.00%+41New
Westfuller Advisors, LLC45$11.5K0.00%−5−10.0%Reduced
Financial Management Professionals, Inc.45$11.6K0.00%−1−2.2%Reduced
MTM Investment Management, LLC45$11.6K0.00%00.0%Unchanged
Capital Analysts, LLC47$12.0K0.00%00.0%Unchanged
Rakuten Securities, Inc.47$12.2K0.00%−78−62.4%Reduced
UMA Financial Services, Inc.49$12.7K0.00%−48−49.5%Reduced
Richardson Financial Services Inc.50$12.9K0.01%−166−76.9%Reduced
West Financial Advisors, LLC50$13.0K0.00%+2+4.2%Added
Imprint Wealth LLC51$13.2K0.06%−33−39.3%Reduced
Kohmann Bosshard Financial Services, LLC51$13.2K0.00%+51New
Howard Hughes Medical Institute55$14.2K0.01%00.0%Unchanged
Park Square Financial Group, LLC52$14.8K0.09%+2+4.0%Added
Hazlett, Burt & Watson, Inc.60$15.0K0.00%00.0%Unchanged
Rialto Wealth Management, LLC59$15.3K0.00%−5−7.8%Reduced
Meeder Asset Management Inc59$15.3K0.00%00.0%Unchanged
Quest Partners LLC61$15.8K0.00%−145−70.4%Reduced
EFG International AG63$16.3K0.00%+63New
Asset Dedication, LLC66$17.1K0.00%00.0%Unchanged
Rossby Financial, LCC67$17.3K0.01%+26+63.4%Added
Global Wealth Strategies & Associates70$18.1K0.00%00.0%Unchanged
Wealth Watch Advisors, INC71$18.4K0.01%+4+6.0%Added
Vision Retirement, LLC72$18.6K0.00%+72New
Gerber Kawasaki Wealth & Investment Management31,855$18.7K0.00%+31,855New
Beaird Harris Wealth Management, LLC74$19.2K0.00%−5−6.3%Reduced
Piscataqua Savings Bank75$19.4K0.01%00.0%Unchanged
High Note Wealth, LLC76$19.7K0.00%+3+4.1%Added
SBI Securities Co., Ltd.81$21.0K0.00%−488−85.8%Reduced
Bank of Jackson Hole Trust81$21.0K0.01%00.0%Unchanged
Dorato Capital Management82$21.1K0.02%+82New
Private Wealth Asset Management, LLC82$21.1K0.00%−40−32.8%Reduced
Bogart Wealth, LLC83$21.5K0.00%−11−11.7%Reduced
United Community Bank83$21.5K0.01%+17+25.8%Added
NVWM, LLC88$22.8K0.00%−93−51.4%Reduced
Truvestments Capital LLC88$22.8K0.00%−6−6.4%Reduced
Swiss Re Ltd89$23.0K0.00%+89New
Strategic Investment Solutions, Inc.93$24.1K0.01%00.0%Unchanged
Sunrise Financial Services, LLC95$24.5K0.02%+95New
JFS Wealth Advisors, LLC96$24.8K0.00%+22+29.7%Added
South State Corp.96$24.8K0.00%+33+52.4%Added
Pin Oak Investment Advisors Inc103$25.0K0.02%00.0%Unchanged
SOA Wealth Advisors, LLC.100$25.9K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.100$25.9K0.01%+76+316.7%Added
Dunhill Financial, LLC101$26.2K0.01%−8−7.3%Reduced
Kemnay Advisory Services Inc.102$26.4K0.00%+102New
Retirement Wealth Solutions LLC103$26.7K0.02%00.0%Unchanged
DiNuzzo Private Wealth, Inc.108$27.9K0.00%−1−0.9%Reduced
Motco112$29.0K0.00%00.0%Unchanged
Princeton Global Asset Management LLC112$29.0K0.00%00.0%Unchanged
1015 Capital Partners, LLC112$29.0K0.03%+112New
GoalVest Advisory LLC115$29.8K0.01%00.0%Unchanged
SJS Investment Consulting Inc.121$31.3K0.00%+8+7.1%Added
Lodestone Wealth Management LLC123$31.8K0.01%+123New
Parvin Asset Management, LLC125$32.3K0.03%−21−14.4%Reduced
Delta Asset Management LLC128$33.1K0.00%−42−24.7%Reduced
Cornerstone National Bank & Trust Co129$33.4K0.01%00.0%Unchanged
Solstein Capital, LLC130$33.6K0.01%−23−15.0%Reduced
Glen Eagle Advisors, LLC130$33.6K0.00%00.0%Unchanged
MV Capital Management, Inc.132$34.2K0.00%−9−6.4%Reduced
Hollencrest Capital Management133$34.4K0.00%00.0%Unchanged
Westside Investment Management, Inc.136$34.8K0.01%00.0%Unchanged
Prestige Wealth Management Group LLC135$34.9K0.01%00.0%Unchanged
Basecamp Wealth Advisors LLC135$34.9K0.01%+135New
Ogorek Anthony Joseph135$35.0K0.01%−24−15.1%Reduced
Mascoma Wealth Management LLC140$36.2K0.01%−116−45.3%Reduced
Disciplina Capital Management LLC143$37.0K0.00%−12−7.7%Reduced
Farmers & Merchants Investments Inc146$37.8K0.00%00.0%Unchanged
City State Bank150$38.8K0.01%00.0%Unchanged
DT Investment Partners, LLC152$39.3K0.00%00.0%Unchanged
CBIZ Investment Advisory Services, LLC155$40.0K0.00%+36+30.3%Added
Vega Investment Solutions160$41.4K0.01%+160New
Prosperity Bancshares Inc164$42.4K0.04%+164New
Thurston, Springer, Miller, Herd & Titak, Inc.169$43.7K0.02%+147+668.2%Added
Boreal Capital Management LLC170$44.0K0.03%00.0%Unchanged
Hallmark Capital Management Inc174$45.0K0.00%00.0%Unchanged
Exchange Traded Concepts, LLC177$45.8K0.00%+15+9.3%Added
CVA Family Office, LLC183$47.4K0.01%+84+84.8%Added
Hilltop National Bank184$47.6K0.01%−2−1.1%Reduced
Osterweis Capital Management Inc197$51.0K0.00%00.0%Unchanged
Entrust Financial LLC197$51.0K0.04%+197New
Paladin Advisory Group, LLC200$51.8K0.04%00.0%Unchanged
Broadwater Capital Management LLC200$51.8K0.04%00.0%Unchanged
Lavaca Capital LLC205$53.1K0.01%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC209$54.1K0.01%+61+41.2%Added
ZRC Wealth Management, LLC215$55.5K0.02%−4−1.8%Reduced
Chilton Capital Management LLC217$56.2K0.00%−88,447−99.8%Reduced
Cary Street Partners Financial LLC224$58.0K0.00%−237−51.4%Reduced
Larson Financial Group LLC233$60.2K0.00%−168−41.9%Reduced
Covestor Ltd237$62.0K0.03%+7+3.0%Added
Capula Management Ltd243$62.9K0.00%+243New
Atlantic Trust, LLC245$63.4K0.01%+183+295.2%Added
Reflection Asset Management246$63.7K0.05%+246New
Valley National Advisers Inc262$67.0K0.01%+7+2.7%Added
Steigerwald, Gordon & Koch Inc.264$68.3K0.01%+64+32.0%Added