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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
Loomis Sayles & Co L P0$440.00%0Unchanged
Y.D. More Investments Ltd185$1500.00%−19−9.3%Reduced
Maseco LLP1$2590.00%+1New
E Fund Management (Hong Kong) Co., Ltd.2$4910.00%00.0%Unchanged
IMA Wealth, Inc.2$5170.00%00.0%Unchanged
Seneschal Advisors, LLC2$5180.00%00.0%Unchanged
Davis Capital Management2$5180.00%00.0%Unchanged
DecisionPoint Financial, LLC2$5180.00%00.0%Unchanged
Litman Gregory Asset Management LLC2$5180.00%+2New
Elevated Capital Advisors, LLC2$5180.00%+2New
ROSS\JOHNSON & Associates LLC2$5180.01%+2New
United Financial Planning Group LLC2$5180.00%+2New
Quattro Advisors LLC2$5180.00%+2New
NorthAvenue LLC2$5180.00%+2New
Essential Partners LLC2$5200.00%00.0%Unchanged
Three Bearings Fiduciary Advisors, Inc.3$7490.00%+3New
Newbridge Financial Services Group, Inc.3$7760.00%00.0%Unchanged
Triumph Capital Management3$7760.00%+3New
Key Capital Management, INC3$7760.00%+3New
Redwood Park Advisors LLC3$7770.00%00.0%Unchanged
Coston, McIsaac & Partners4$1.00K0.00%00.0%Unchanged
Motiv8 Investments LLC4$1.00K0.00%+4New
Delos Wealth Advisors, LLC4$1.04K0.00%00.0%Unchanged
PFS Partners, LLC4$1.04K0.00%00.0%Unchanged
Walleye Capital LLC5$1.29K0.00%−1,208−99.6%Reduced
HFM Investment Advisors, LLC5$1.29K0.00%+1+25.0%Added
Investors Portfolio Services LLC5$1.35K0.00%+5New
Marquette Asset Management, LLC6$1.55K0.00%−21−77.8%Reduced
Bare Financial Services, Inc6$1.55K0.00%−15−71.4%Reduced
Wealth Preservation Advisors, LLC6$1.55K0.00%−1−14.3%Reduced
First Command Advisory Services, Inc.6$1.55K0.00%00.0%Unchanged
Quaker Wealth Management, LLC6$1.55K0.00%+2+50.0%Added
Godsey & Gibb Associates6$1.55K0.00%+6New
Merited Wealth, LLC6$1.55K0.00%+6New
True Wealth Design, LLC7$1.81K0.00%−3−30.0%Reduced
Provenance Wealth Advisors, LLC7$1.81K0.00%00.0%Unchanged
TFC Financial Management7$1.81K0.00%+1+16.7%Added
American Capital Advisory, LLC7$1.81K0.00%+4+133.3%Added
Westend Capital Management, LLC7$1.81K0.00%+7New
Principia Wealth Advisory, LLC8$2.07K0.00%−4−33.3%Reduced
Bellevue Asset Management, LLC8$2.07K0.00%00.0%Unchanged
WestEnd Advisors, LLC8$2.07K0.00%+2+33.3%Added
Benson Wealth Management INC8$2.07K0.00%+8New
Breakwater Investment Management8$2.07K0.00%−2−20.0%Reduced
Independence Bank of Kentucky9$2.33K0.00%+9New
Ameriflex Group, Inc.10$2.59K0.00%−154−93.9%Reduced
Highline Wealth Partners LLC10$2.59K0.00%−17−63.0%Reduced
Evelyn Partners Investment Management LLP10$2.59K0.00%00.0%Unchanged
Longfellow Investment Management Co LLC11$2.85K0.00%+5+83.3%Added
Capital Advisors, Ltd. LLC12$3.00K0.00%−26−68.4%Reduced
C M Bidwell & Associates Ltd12$3.10K0.00%00.0%Unchanged
MPWM Advisory Solutions, LLC12$3.10K0.00%00.0%Unchanged
Tidemark, LLC13$3.36K0.00%−5−27.8%Reduced
Bay Harbor Wealth Management, LLC13$3.36K0.00%+2+18.2%Added
Albion Financial Group13$3.37K0.00%00.0%Unchanged
Cranbrook Wealth Management, LLC13$3.37K0.00%00.0%Unchanged
Hilton Head Capital Partners, LLC14$3.62K0.00%+14New
Team Financial Group, LLC15$3.78K0.00%00.0%Unchanged
Sound Income Strategies, LLC15$3.88K0.00%00.0%Unchanged
Redmont Wealth Advisors LLC15$3.88K0.01%00.0%Unchanged
Ares Financial Consulting, LLC15$3.88K0.00%+15New
SHP Wealth Management15$3.89K0.00%+15New
Valued Wealth Advisors LLC16$4.15K0.00%00.0%Unchanged
Legacy Wealth Managment, LLC17$4.40K0.00%+17New
Turning Point Benefit Group, Inc.18$4.66K0.00%+18New
Dogwood Wealth Management LLC19$4.92K0.00%−1−5.0%Reduced
Legacy Bridge, LLC19$4.92K0.00%+19New
Sachetta, LLC20$5.18K0.00%−14−41.2%Reduced
Brown, Lisle/Cummings, Inc.20$5.18K0.00%00.0%Unchanged
Joseph Group Capital Management20$5.18K0.00%+20New
Nalls Sherbakoff Group, LLC20$5.22K0.00%00.0%Unchanged
Horizon Financial Services, LLC21$5.43K0.00%−32−60.4%Reduced
Whipplewood Advisors, LLC21$5.43K0.00%+21New
LGT Financial Advisors LLC21$5.50K0.03%−19−47.5%Reduced
Alerus Financial NA22$5.69K0.00%00.0%Unchanged
Evolution Wealth Management Inc.23$5.95K0.00%−25−52.1%Reduced
Avion Wealth27$6.00K0.00%−6−18.2%Reduced
IFC & Insurance Marketing, Inc.24$6.00K0.01%+24New
Private Wealth Management Group, LLC24$6.21K0.00%+1+4.3%Added
Hughes Financial Services, LLC24$6.21K0.00%+22+1,100.0%Added
RMG Wealth Management LLC25$6.21K0.00%+25New
Torren Management, LLC25$6.51K0.00%+25New
Greenline Wealth Management LLC25$6.58K0.01%+25New
Robbins Farley LLC27$6.99K0.00%−13,706−99.8%Reduced
IMG Wealth Management, Inc.29$7.50K0.00%+12+70.6%Added
Luken Investment Analytics, LLC29$7.50K0.00%+29New
Addison Advisors LLC30$7.76K0.00%−6−16.7%Reduced
Aventus Investment Advisors, Inc.30$7.76K0.01%00.0%Unchanged
Cornerstone Financial Management LLC30$7.76K0.01%+30New
Hanson & Doremus Investment Management29$8.00K0.00%00.0%Unchanged
Old Point Trust & Financial Services N A31$8.02K0.00%+31New
Abound Wealth Management31$8.02K0.00%−8−20.5%Reduced
Aspect Partners, LLC31$8.02K0.00%+5+19.2%Added
Greykasell Wealth Strategies, Inc.32$8.28K0.00%00.0%Unchanged
Wilkerson Advisory Group LLC32$8.28K0.00%+32New
Armstrong Advisory Group, Inc32$8.28K0.00%00.0%Unchanged
Crewe Advisors LLC33$8.44K0.00%00.0%Unchanged
Advocate Investing Services LLC33$8.54K0.01%+33New
Creative Financial Designs Inc34$8.80K0.00%−1−2.9%Reduced
Fortitude Family Office, LLC34$8.80K0.00%−1−2.9%Reduced