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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: 1,360 institutionsQ2 2025: 1,380 institutionsQ3 2025: 1,342 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 20251,342$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, 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
Levy Wealth Management Group, LLC33,824$4.22M2.77%––
North Star Investment Management Corp.34,001$4.24M0.40%––
Beck Mack & Oliver LLC35,000$4.37M0.13%––
HighTower Advisors, LLC35,409$4.40M0.01%––
Northwest & Ethical Investments L.P.35,369$4.41M0.15%––
Nomura Asset Management Co Ltd35,677$4.45M0.03%––
Philadelphia Financial Management of San Francisco, LLC36,230$4.52M1.37%––
Utah Retirement Systems36,630$4.57M0.06%––
Cullen/Frost Bankers, Inc.36,984$4.61M0.10%––
Little House Capital LLC37,285$4.65M1.64%––
Harrell Investment Partners, LLC37,285$4.65M1.64%––
Douglass Winthrop Advisors, LLC37,312$4.66M0.12%––
Susquehanna International Group, LLP37,834$4.72M0.01%––
Sigma Investment Counselors Inc38,602$4.82M0.39%––
M&T Bank Corp39,637$4.95M0.02%––
FineMark National Bank & Trust39,809$4.97M0.21%––
Kiwi Wealth Investments Limited Partnership40,050$5.00M0.29%––
Dai-Ichi Life Insurance Company, Ltd40,679$5.08M0.07%––
Interval Partners, LP40,800$5.09M0.33%––
Forsta Ap-Fonden40,800$5.09M0.07%––
TownSquare Capital, LLC40,909$5.10M0.20%––
Mastrapasqua Asset Management Inc41,638$5.20M0.61%––
Raymond James Financial Services Advisors, Inc.41,735$5.21M0.01%––
Strategy Asset Managers LLC41,927$5.23M1.20%––
Daiwa Securities Group Inc.42,177$5.26M0.04%––
Alley Co LLC42,389$5.29M1.04%––
Los Angeles Capital Management LLC42,885$5.35M0.02%––
Sit Investment Associates Inc43,045$5.37M0.14%––
Nisa Investment Advisors, LLC43,520$5.43M0.03%––
Marks Group Wealth Management, Inc43,767$5.43M0.80%––
MRJ Capital Inc43,641$5.45M3.40%––
Hexavest Inc.43,917$5.48M0.24%––
Smithbridge Asset Management Inc45,100$5.63M2.41%––
Stratos Wealth Partners, LTD.45,118$5.63M0.16%––
Running Oak Capital LLC45,740$5.71M1.74%––
Korea Investment CORP45,800$5.71M0.02%––
MetLife Investment Management46,168$5.76M0.05%––
Qube Research & Technologies Ltd46,325$5.78M0.10%––
State of Michigan Retirement System48,654$6.07M0.04%––
Millennium Management LLC50,546$6.31M0.01%––
ProShare Advisors LLC51,832$6.47M0.02%––
Swiss Life Asset Management Ltd52,484$6.55M0.09%––
LPL Financial LLC52,769$6.58M0.01%––
Ilmarinen Mutual Pension Insurance Co54,000$6.74M0.08%––
Tompkins Financial Corp55,071$6.87M1.16%––
Arizona State Retirement System55,451$6.92M0.06%––
CIBC World Markets Corp55,538$6.93M0.04%––
Zurcher Kantonalbank (Zurich Cantonalbank)56,714$7.08M0.04%––
DekaBank Deutsche Girozentrale56,320$7.08M0.02%––
NN Investment Partners Holdings N.V.56,924$7.10M0.04%––
Atlantic Union Bankshares Corp58,119$7.25M0.74%––
Rench Wealth Management, Inc.58,200$7.26M3.78%––
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.59,804$7.46M0.05%––
Kings Point Capital Management59,938$7.48M0.74%––
Creative Planning60,217$7.51M0.02%––
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund60,219$7.51M0.07%––
Bridgewater Associates, LP60,405$7.54M0.07%––
American International Group, Inc.60,464$7.54M0.03%––
Verity & Verity, LLC55,321$7.61M1.23%––
Nicholas Company, Inc.61,500$7.67M0.14%––
Swedbank AB61,790$7.71M0.02%––
Baldwin Brothers Inc63,406$7.91M0.94%––
Newport Capital Group, LLC66,086$8.25M6.87%––
Federation des caisses Desjardins du Quebec67,131$8.38M0.09%––
Royal London Asset Management Ltd68,257$8.52M0.04%––
MML Investors Services, LLC68,688$8.57M0.08%––
PGGM Investments69,543$8.68M0.04%––
Fort Washington Investment Advisors Inc71,740$8.95M0.09%––
Bahl & Gaynor Inc71,941$8.98M0.06%––
Mackenzie Financial Corp72,498$9.05M0.01%––
Treasurer of the State of North Carolina72,981$9.11M0.06%––
Calamos Advisors LLC73,083$9.12M0.05%––
Advisor Group Holdings, Inc.73,531$9.18M0.02%––
Pinebridge Investments, L.P.73,617$9.19M0.12%––
BNP PARIBAS ASSET MANAGEMENT Holding S.A.73,624$9.19M0.04%––
Man Group plc73,999$9.23M0.04%––
Sonora Investment Management, LLC74,328$9.27M0.73%––
Capitolis Advisors LLC75,411$9.41M0.16%––
Andra AP-fonden79,600$9.93M0.22%––
Brewin Dolphin Ltd81,160$10.1M0.54%––
Standard Life Aberdeen plc81,811$10.2M0.02%––
Blair William & Co83,979$10.5M0.04%––
Voya Investment Management LLC88,454$11.0M0.02%––
KBC Group NV88,635$11.1M0.04%––
Gradient Investments LLC88,799$11.1M0.36%––
ARS Investment Partners, LLC90,752$11.3M1.32%––
American National Insurance Co96,088$12.0M0.49%––
Rafferty Asset Management, LLC96,251$12.0M0.08%––
Pictet Asset Management Ltd98,443$12.3M0.01%––
Moody National Bank Trust Division99,412$12.4M0.29%––
Lawson Kroeker Investment Management Inc100,247$12.5M4.28%––
Stifel Financial Corp101,727$12.7M0.02%––
Janus Henderson Group PLC103,115$12.9M0.01%––
Thomasville National Bank158,091$12.9M2.40%––
Asset Management One Co.,Ltd.103,543$12.9M0.05%––
Brown Advisory Inc104,473$13.0M0.02%––
State of Wisconsin Investment Board104,649$13.1M0.03%––
Public Employees Retirement System of Ohio105,655$13.2M0.05%––
AMP Capital Investors Ltd105,946$13.2M0.07%––
Bank of Nova Scotia106,163$13.2M0.03%––