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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, Q1 2021

Institutional positions in Arthur J. Gallagher & Co. as of Mar 31, 2021. 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
732
No complete 13F data for Q4 2020
Shares held
165.4M
No complete 13F data for Q4 2020
Total value
$20.6B
No complete 13F data for Q4 2020

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 holdersQ1 2021: 732 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 heldQ1 2021: $20.6B
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 20251,341$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, Q1 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding AJG in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ferguson Wellman Capital Management, Inc16,089$2.01M0.07%––
Oregon Public Employees Retirement Fund15,987$2.00M0.02%––
Ancora Advisors, LLC15,902$1.98M0.06%––
Meiji Yasuda Asset Management Co Ltd.15,890$1.98M0.15%––
Whittier Trust Co15,101$1.88M0.04%––
First American Bank15,068$1.88M0.12%––
Teachers Retirement System of the State of Kentucky15,050$1.88M0.02%––
Maryland State Retirement & Pension System14,612$1.82M0.06%––
Sciencast Management LP13,895$1.82M0.36%––
Sheaff Brock Investment Advisors, LLC14,100$1.76M0.19%––
Elo Mutual Pension Insurance Co13,875$1.73M0.06%––
Blueshift Asset Management, LLC13,840$1.73M0.18%––
Sirios Capital Management L P13,707$1.71M0.14%––
Flputnam Investment Management Co13,692$1.71M0.07%––
Cubist Systematic Strategies, LLC13,516$1.69M0.02%––
Keeley-Teton Advisors, LLC13,386$1.67M0.18%––
Summit Global Investments13,303$1.66M0.11%––
Achmea Investment Management B.V.13,077$1.63M0.06%––
Sumitomo Mitsui DS Asset Management Company, Ltd13,001$1.62M0.04%––
Cabot Wealth Management Inc12,847$1.60M0.23%––
Janney Montgomery Scott LLC12,833$1.60M0.01%––
ING Groep NV12,827$1.60M0.03%––
First National Bank of Omaha12,674$1.58M0.08%––
RFG Advisory, LLC12,641$1.58M0.17%––
Old North State Trust, LLC12,638$1.58M1.25%––
Avantax Advisory Services, Inc.12,500$1.56M0.03%––
New Mexico Educational Retirement Board12,150$1.52M0.06%––
SRB Corp12,143$1.51M0.10%––
New Vernon Investment Management LLC12,141$1.51M2.51%––
Sitrin Capital Management LLC12,063$1.50M0.71%––
Louisiana State Employees Retirement System12,000$1.50M0.04%––
First Citizens Bank & Trust Co11,988$1.50M0.07%––
Kentucky Retirement Systems11,843$1.48M0.07%––
Umb Bank N A11,656$1.45M0.04%––
Kestra Advisory Services, LLC11,655$1.45M0.02%––
Chicago Partners Investment Group LLC10,354$1.41M0.12%––
Wealthfront Advisers LLC11,268$1.41M0.01%––
First Hawaiian Bank11,251$1.40M0.06%––
Pacer Advisors, Inc.11,236$1.40M0.02%––
Glenmede Trust Co NA11,219$1.40M0.01%––
Pinnacle Wealth Planning Services, Inc.11,147$1.39M0.36%––
Boston Private Wealth LLC11,132$1.39M0.02%––
Gotham Asset Management, LLC11,078$1.38M0.06%––
Paradigm Financial Partners, LLC10,731$1.34M0.36%––
Insight Wealth Strategies, LLC10,710$1.34M0.18%––
Amalgamated Bank10,457$1.30M0.05%––
Caisse de Depot Et Placement du Quebec10,401$1.30M0.00%––
Benjamin Edwards Inc10,236$1.28M0.97%––
Nordea Investment Management AB10,156$1.27M0.00%––
B. Metzler seel. Sohn & Co. Holding AG10,047$1.25M0.02%––
Coldstream Capital Management Inc9,932$1.24M0.07%––
Diversified Trust Co9,897$1.24M0.05%––
Walleye Capital LLC9,822$1.23M0.08%––
D. E. Shaw & Co., Inc.9,724$1.21M0.00%––
Ropes Wealth Advisors LLC8,030$1.19M0.21%––
Prospera Financial Services Inc9,465$1.18M0.07%––
Leavell Investment Management, Inc.9,397$1.17M0.10%––
Oppenheimer & Co Inc9,076$1.13M0.02%––
Crawford Investment Counsel Inc9,038$1.13M0.03%––
Macquarie Group Ltd9,032$1.13M0.00%––
Raymond James Trust N.A.8,798$1.10M0.04%––
Northwestern Mutual Investment Management Company, LLC8,783$1.10M0.02%––
Neuberger Berman Group LLC9,262$1.08M0.00%––
Jefferies Group LLC8,617$1.08M0.03%––
First Nebraska Trust Co8,600$1.07M0.14%––
Segall Bryant & Hamill, LLC8,604$1.07M0.01%––
Candriam Luxembourg S.C.A.8,931$1.06M0.01%––
Cox Capital Mgt LLC8,473$1.06M0.73%––
Whittier Trust Co of Nevada Inc8,428$1.05M0.05%––
Xponance, Inc.8,332$1.04M0.02%––
JJJ Advisors Inc.8,279$1.03M0.41%––
American National Registered Investment Advisor, Inc.8,212$1.02M0.40%––
Mission Creek Capital Partners, Inc.7,914$987.0K0.15%––
Private Trust Co NA7,662$955.0K0.16%––
LS Investment Advisors, LLC7,655$955.0K0.05%––
Toews Corp7,500$936.0K0.08%––
BP PLC7,395$923.0K0.03%––
Storebrand Asset Management AS7,385$921.4K0.00%––
Northwestern Mutual Wealth Management Co7,380$921.0K0.00%––
E. Ohman J:or Asset Management AB7,200$898.3K0.03%––
Disciplined Investments, LLC7,088$884.0K0.52%––
WBH Advisory Inc7,050$880.0K0.14%––
Grimes & Company, Inc.7,052$880.0K0.04%––
Ontario Teachers Pension Plan Board7,044$879.0K0.01%––
WESPAC Advisors, LLC7,015$875.0K0.65%––
Cigna Investments Inc6,911$862.0K0.06%––
Horizon Investments, LLC6,910$862.0K0.03%––
Ossiam6,907$862.0K0.03%––
Essex Investment Management Co LLC6,880$858.0K0.10%––
Mercer Global Advisors Inc6,794$847.0K0.01%––
Carroll Financial Associates, Inc.6,636$827.0K0.05%––
Resources Investment Advisors, LLC.6,507$812.0K0.04%––
Allen Capital Group, LLC6,499$811.0K0.18%––
Oppenheimer Asset Management Inc.6,490$810.0K0.01%––
IBM Retirement Fund6,481$809.0K0.06%––
Full Sail Capital, LLC6,200$806.0K0.08%––
Hourglass Capital, LLC6,410$800.0K0.20%––
Boston Partners6,320$789.0K0.00%––
Wolverine Trading, LLC6,109$767.0K0.01%––
Covenant Partners, LLC6,092$760.0K0.30%––