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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, Q2 2025

Institutional positions in Arthur J. Gallagher & Co. as of Jun 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
1,379
+36 vs. Q1 2025
Shares held
228.1M
−322.7K (−0.1%) vs. Q1 2025
Total value
$72.9B
−$5.88B (−7.5%) vs. Q1 2025
New holders
140
563 more added
Sold out
104
475 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,379 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: 1,359 institutionsQ2 2025: 1,379 institutionsQ3 2025: 1,341 institutionsQ4 2025: 1,299 institutionsQ1 2026: 1,248 institutionsQ2 2026: 1,295 institutions
Value heldQ2 2025: $72.9B
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 20251,341$69.7B
Q2 20251,379$72.9B
Q1 20251,359$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, Q2 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2025.

Institutions holding AJG in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Marvin & Palmer Associates Inc0$00.00%−9,066−100.0%Sold out
Centiva Capital, LP0$00.00%−7,718−100.0%Sold out
Delta Global Management LP0$00.00%−7,718−100.0%Sold out
United Services Automobile Association0$00.00%−5,845−100.0%Sold out
Virtus Investment Advisers, Inc.0$00.00%−4,841−100.0%Sold out
Otter Creek Advisors, LLC0$00.00%−4,606−100.0%Sold out
WBI Investments0$00.00%−4,315−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−3,982−100.0%Sold out
AXS Investments LLC0$00.00%−3,913−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−3,759−100.0%Sold out
Procyon Private Wealth Partners, LLC0$00.00%−3,483−100.0%Sold out
Financial Counselors Inc0$00.00%−3,107−100.0%Sold out
National Wealth Management Group, LLC0$00.00%−2,978−100.0%Sold out
ERn Financial, LLC0$00.00%−2,319−100.0%Sold out
Edmond de Rothschild Holding S.A.0$00.00%−2,074−100.0%Sold out
Belpointe Asset Management LLC0$00.00%−1,744−100.0%Sold out
Fortis Capital Advisors, LLC0$00.00%−1,744−100.0%Sold out
Concentric Capital Strategies, LP0$00.00%−1,682−100.0%Sold out
Simon Quick Advisors, LLC0$00.00%−1,603−100.0%Sold out
Signal Advisors Wealth, LLC0$00.00%−1,448−100.0%Sold out
Curated Wealth Partners LLC0$00.00%−1,370−100.0%Sold out
Fieldview Capital Management, LLC0$00.00%−1,272−100.0%Sold out
Thoroughbred Financial Services, LLC0$00.00%−1,142−100.0%Sold out
Capital Management Associates, Inc0$00.00%−1,140−100.0%Sold out
Buckingham Strategic Partners0$00.00%−1,134−100.0%Sold out
Financial Engines Advisors L.L.C.0$00.00%−1,050−100.0%Sold out
BXM Wealth LLC0$00.00%−843−100.0%Sold out
Avantra Family Wealth, Inc.0$00.00%−830−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−817−100.0%Sold out
Truepoint, Inc.0$00.00%−760−100.0%Sold out
Axecap Investments, LLC0$00.00%−740−100.0%Sold out
Aaron Wealth Advisors0$00.00%−722−100.0%Sold out
Great Lakes Advisors, LLC0$00.00%−702−100.0%Sold out
Moors & Cabot, Inc.0$00.00%−683−100.0%Sold out
Nebula Research & Development LLC0$00.00%−683−100.0%Sold out
Councilmark Asset Management, LLC0$00.00%−675−100.0%Sold out
Sandia Investment Management LP0$00.00%−673−100.0%Sold out
Gitterman Wealth Management, LLC0$00.00%−665−100.0%Sold out
Founders Financial Alliance, LLC0$00.00%−658−100.0%Sold out
Kovack Advisors, Inc.0$00.00%−651−100.0%Sold out
Abel Hall, LLC0$00.00%−651−100.0%Sold out
Williams Jones Wealth Management, LLC.0$00.00%−641−100.0%Sold out
Veracity Capital LLC0$00.00%−636−100.0%Sold out
Titleist Asset Management, LLC0$00.00%−631−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−615−100.0%Sold out
Black Diamond Financial, LLC0$00.00%−615−100.0%Sold out
IFC Advisors LLC0$00.00%−614−100.0%Sold out
Fiduciary Group LLC0$00.00%−612−100.0%Sold out
Corundum Group, Inc.0$00.00%−611−100.0%Sold out
Measured Wealth Private Client Group, LLC0$00.00%−605−100.0%Sold out
Platform Technology Partners0$00.00%−605−100.0%Sold out
Summit Financial Wealth Advisors, LLC0$00.00%−592−100.0%Sold out
Hamilton Capital Partners Inc.0$00.00%−508−100.0%Sold out
Laurel Wealth Advisors LLC0$00.00%−438−100.0%Sold out
Optiver Holding B.V.0$00.00%−344−100.0%Sold out
Hexagon Capital Partners LLC0$00.00%−297−100.0%Sold out
Global Financial Private Client, LLC0$00.00%−241−100.0%Sold out
Riverview Trust Co0$00.00%−197−100.0%Sold out
Quent Capital, LLC0$00.00%−191−100.0%Sold out
Continuum Advisory, LLC0$00.00%−171−100.0%Sold out
E Fund Management (Hong Kong) Co., Ltd.0$00.00%−149−100.0%Sold out
Ruedi Wealth Management, Inc.0$00.00%−147−100.0%Sold out
Carolinas Wealth Consulting LLC0$00.00%−139−100.0%Sold out
Saudi Central Bank0$00.00%−98−100.0%Sold out
HWG Holdings LP0$00.00%−71−100.0%Sold out
Moisand Fitzgerald Tamayo, LLC0$00.00%−42−100.0%Sold out
Headlands Technologies LLC0$00.00%−41−100.0%Sold out
Washington Trust Co0$00.00%−32−100.0%Sold out
Bernard Wealth Management Corp.0$00.00%−27−100.0%Sold out
First Pacific Financial0$00.00%−23−100.0%Sold out
Cheviot Value Management, LLC0$00.00%−20−100.0%Sold out
Capital A Wealth Management, LLC0$00.00%−18−100.0%Sold out
Cherry Tree Wealth Management, LLC0$00.00%−14−100.0%Sold out
ROSS\JOHNSON & Associates LLC0$00.00%−12−100.0%Sold out
Halbert Hargrove Global Advisors, LLC0$00.00%−7−100.0%Sold out
Winnow Wealth LLC0$00.00%−6−100.0%Sold out
Hara Capital LLC0$00.00%−5−100.0%Sold out
Greenline Partners, LLC0$00.00%−4−100.0%Sold out
Golden State Wealth Management, LLC0$00.00%−4−100.0%Sold out
Chesapeake Asset Management LLC0$00.00%−3−100.0%Sold out
Perkins Coie Trust Co0$00.00%−2−100.0%Sold out
Stonebridge Financial Group, LLC0$00.00%−2−100.0%Sold out
Kiker Wealth Management, LLC0$00.00%−2−100.0%Sold out
Credit Agricole S A––––Not filed
CAPROCK Group, Inc.––––Not filed
Rakuten Investment Management, Inc.––––Not filed
Mizuho Securities USA LLC––––Not filed
Sheaff Brock Investment Advisors, LLC––––Not filed
Orion Portfolio Solutions, LLC––––Not filed
Glenmede Trust Co NA––––Not filed
Kodai Capital Management LP––––Not filed
Keeley-Teton Advisors, LLC––––Not filed
Unigestion Holding SA––––Not filed
Schechter Investment Advisors, LLC––––Not filed
Sandy Spring Bank––––Not filed
Buffington Mohr McNeal––––Not filed
Lindbrook Capital, LLC––––Not filed
Regent Peak Wealth Advisors LLC––––Not filed
Nova Wealth Management, Inc.––––Not filed