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Livermore
Livermore
ZHEN

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
−14 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
173
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
HM Payson & Co1,253$324.3K0.00%+37+3.0%Added
Journey Strategic Wealth LLC1,262$326.6K0.01%−289−18.6%Reduced
Bridges Investment Management Inc1,263$326.9K0.00%−135−9.7%Reduced
Gamco Investors, Inc. Et Al1,268$328.1K0.00%−24,261−95.0%Reduced
Kathmere Capital Management, LLC1,269$328.4K0.02%+53+4.4%Added
Tucker Asset Management LLC1,274$329.7K0.10%+143+12.6%Added
Berkshire Asset Management LLC1,277$330.5K0.01%+4+0.3%Added
L2 Asset Management, LLC1,283$332.0K0.04%+88+7.4%Added
Prelude Capital Management, LLC1,284$332.3K0.02%+1,284New
George Kaiser Family Foundation1,291$334.1K0.04%00.0%Unchanged
Ridgeline Wealth, LLC1,295$335.1K0.23%00.0%Unchanged
Fulton Bank, N.A.1,299$336.2K0.01%−203−13.5%Reduced
Harbour Investments, Inc.1,300$336.5K0.01%+96+8.0%Added
Quadcap Wealth Management, LLC1,302$336.9K0.04%−181−12.2%Reduced
Atomi Financial Group, Inc.1,306$337.9K0.01%−246−15.9%Reduced
Indivisible Partners1,312$339.5K0.04%+1,312New
Vantus Wealth LLC1,319$341.3K0.25%+1,319New
Trust Co of Vermont1,328$343.7K0.01%00.0%Unchanged
Stratos Wealth Advisors, LLC1,332$344.8K0.02%−163−10.9%Reduced
Dana Investment Advisors, Inc.1,340$346.8K0.01%−597−30.8%Reduced
Trust Co of Virginia1,343$347.6K0.03%00.0%Unchanged
AdvisorNet Financial, Inc1,354$350.4K0.02%00.0%Unchanged
Perigon Wealth Management, LLC1,365$353.3K0.01%−284−17.2%Reduced
Strategic Blueprint, LLC1,368$353.9K0.02%+60+4.6%Added
Great Valley Advisor Group, Inc.1,370$354.1K0.01%−2,543−65.0%Reduced
Sowell Financial Services LLC1,382$357.6K0.01%−263−16.0%Reduced
Lake Street Financial LLC1,387$358.9K0.04%00.0%Unchanged
Valeo Financial Advisors, LLC1,390$359.7K0.01%−400−22.3%Reduced
Provident Investment Management, Inc.1,391$360.0K0.03%+1,391New
Evansbrook LLC1,392$360.2K0.24%+1,392New
Alpine Woods Capital Investors, LLC1,395$361.0K0.09%−14−1.0%Reduced
Penserra Capital Management LLC1,403$362.0K0.00%−1−0.1%Reduced
AMG National Trust Bank1,400$362.3K0.01%−216−13.4%Reduced
Shufro Rose & Co LLC1,400$362.3K0.02%00.0%Unchanged
Insight 2811, Inc.1,400$362.3K0.16%00.0%Unchanged
Catalyst Investment Management LLC1,400$362.3K0.34%+1,400New
Savvy Advisors, Inc.1,402$362.8K0.01%+167+13.5%Added
Change Path, LLC1,407$364.1K0.01%−33−2.3%Reduced
Cookson Peirce & Co Inc1,410$364.9K0.02%−327−18.8%Reduced
Kingsview Wealth Management, LLC1,418$366.9K0.01%−29−2.0%Reduced
Burney Co1,420$367.5K0.01%−1,240−46.6%Reduced
HBW Advisory Services LLC1,423$368.3K0.04%−47−3.2%Reduced
Tudor Financial Inc.1,425$368.8K0.19%00.0%Unchanged
HBK Sorce Advisory LLC1,528$369.2K0.01%+355+30.3%Added
Conning Inc.1,428$369.6K0.01%+1+0.1%Added
Sawgrass Asset Management LLC1,437$371.9K0.05%−941−39.6%Reduced
SageView Advisory Group, LLC1,442$373.3K0.01%−113−7.3%Reduced
Ifrah Financial Services, Inc.1,449$375.0K0.10%−11−0.8%Reduced
Advyzon Investment Management, LLC1,460$377.8K0.04%+1,460New
Csenge Advisory Group1,472$380.9K0.02%−1,131−43.4%Reduced
Jump Financial, LLC1,474$381.5K0.00%−803−35.3%Reduced
MQS Management LLC1,498$387.7K0.23%+1,498New
Aviance Capital Partners, LLC1,500$388.2K0.04%00.0%Unchanged
West Paces Advisors Inc.1,500$388.2K0.08%00.0%Unchanged
Longview Financial Advisors, Inc.1,502$388.7K0.26%00.0%Unchanged
Storgate, LLC1,503$389.0K0.32%+1,503New
Western Wealth Management, LLC1,507$390.0K0.02%−11−0.7%Reduced
Biltmore Family Office, LLC1,520$393.4K0.05%+20+1.3%Added
Summit Financial, LLC1,524$394.5K0.01%−252−14.2%Reduced
Optimize Financial Inc1,526$394.9K0.20%+20+1.3%Added
Avestar Capital, LLC1,532$396.5K0.03%−1,907−55.5%Reduced
Bokf, NA1,543$399.3K0.01%−745−32.6%Reduced
Modera Wealth Management, LLC1,549$400.9K0.00%+61+4.1%Added
LGT Fund Management Co Ltd.1,533$401.4K0.03%−9,412−86.0%Reduced
Fisher Asset Management, LLC1,563$404.6K0.00%+632+67.9%Added
Raleigh Capital Management Inc.1,565$404.9K0.15%00.0%Unchanged
Capital Asset Advisory Services LLC1,551$407.5K0.02%−63−3.9%Reduced
Northwest & Ethical Investments L.P.1,565$409.9K0.01%−1,501−49.0%Reduced
Oakworth Capital, Inc.1,586$410.4K0.02%00.0%Unchanged
David Loasby1,551$410.8K0.03%−13−0.8%Reduced
LS Investment Advisors, LLC1,600$414.1K0.06%00.0%Unchanged
Drive Wealth Management, LLC1,602$414.5K0.08%−70−4.2%Reduced
Ballentine Partners, LLC1,603$414.8K0.01%−613−27.7%Reduced
Two Sigma Investments, LP1,604$415.1K0.00%+1,604New
Patrick M Sweeney & Associates, Inc1,610$416.7K0.26%−65−3.9%Reduced
Steel Peak Wealth Management LLC1,614$417.6K0.01%−299−15.6%Reduced
National Asset Management, Inc.1,618$418.6K0.02%−1,802−52.7%Reduced
First Citizens Bank & Trust Co1,621$419.5K0.01%−38,636−96.0%Reduced
Wolff Wiese Magana LLC1,624$420.3K0.23%−247−13.2%Reduced
Private Trust Co NA1,628$421.3K0.04%−376−18.8%Reduced
Clarendon Private LLC1,647$426.2K0.36%−354−17.7%Reduced
Plato Investment Management Ltd1,652$429.6K0.03%00.0%Unchanged
Aaron Wealth Advisors1,662$430.1K0.02%+242+17.0%Added
Bartlett & Co. Wealth Management LLC1,670$432.2K0.01%+8+0.5%Added
Miller Investment Management, LP1,672$432.7K0.04%00.0%Unchanged
Commerzbank Aktiengesellschaft1,681$435.0K0.01%00.0%Unchanged
AA Financial Advisors, LLC1,685$436.1K0.08%+72+4.5%Added
Rockland Trust Co1,699$439.7K0.02%+1,699New
Oddo BHF Asset Management SAS1,700$439.9K0.02%−3,303−66.0%Reduced
Rothschild Investment LLC1,718$444.7K0.02%+62+3.7%Added
Austin Private Wealth, LLC1,734$448.7K0.03%+190+12.3%Added
Obermeyer Wood Investment Counsel, LLLP1,740$450.3K0.02%−21−1.2%Reduced
Jacobi Capital Management LLC1,741$450.5K0.03%+790+83.1%Added
GeoWealth Management, LLC1,744$451.3K0.02%−32−1.8%Reduced
Dynamic Advisor Solutions LLC1,745$451.5K0.01%−55−3.1%Reduced
Boston Common Asset Management, LLC1,748$452.4K0.03%00.0%Unchanged
Shelton Capital Management1,756$454.4K0.01%00.0%Unchanged
McGlone Suttner Wealth Management, Inc.1,756$454.5K0.06%−15−0.8%Reduced
Mitchell Sinkler & Starr1,760$455.5K0.21%−30−1.7%Reduced
Tyche Wealth Partners LLC1,773$458.9K0.07%+1,773New