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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
Tobam649$81.0K0.00%––
Fortis Advisors, LLC671$84.0K0.06%––
Meeder Asset Management Inc719$90.0K0.00%––
International Assets Investment Management, LLC736$91.0K0.01%––
Gables Capital Management Inc.735$92.0K0.05%––
Private Ocean, LLC748$93.0K0.02%––
IFP Advisors, Inc766$95.0K0.00%––
HM Payson & Co767$96.0K0.00%––
Harbour Investments, Inc.782$98.0K0.00%––
Harbor Investment Advisory, LLC791$99.0K0.01%––
Quadrant Capital Group LLC811$101.0K0.02%––
FourThought Financial, LLC820$102.0K0.01%––
Hanson & Doremus Investment Management828$103.0K0.02%––
TCTC Holdings, LLC844$105.0K0.00%––
Huntington National Bank862$108.0K0.00%––
Caldwell Trust Co900$112.3K0.02%––
Pflug Koory, LLC938$117.0K0.06%––
Signaturefd, LLC948$118.0K0.01%––
West Oak Capital, LLC963$120.0K0.05%––
Garde Capital, Inc.1,000$125.0K0.01%––
Private Capital Group, LLC1,049$131.0K0.03%––
AdvisorNet Financial, Inc1,143$143.0K0.01%––
Parallel Advisors, LLC1,164$145.0K0.01%––
Resources Management Corp1,280$160.0K0.02%––
Lumature Wealth Partners, LLC1,316$164.0K0.09%––
First Horizon Advisors, Inc.1,461$181.0K0.01%––
Skandinaviska Enskilda Banken AB (publ)1,467$183.0K0.00%––
Agf Investments Inc.1,488$186.0K0.00%––
Neo Ivy Capital Management1,489$186.0K0.20%––
Heritage Wealth Advisors1,498$186.9K0.01%––
Oakworth Capital, Inc.1,521$190.0K0.02%––
Standard Family Office LLC1,524$190.0K0.04%––
City Holding Co1,533$191.0K0.04%––
CX Institutional1,585$198.0K0.02%––
Rockbridge Investment Management, LCC1,600$200.0K0.04%––
Steward Partners Investment Advisory, LLC1,613$201.3K0.00%––
River Wealth Advisors LLC1,628$203.0K0.04%––
Miller Investment Management, LP1,672$209.0K0.04%––
Transcend Wealth Collective, LLC1,688$211.0K0.03%––
Obermeyer Wood Investment Counsel, LLLP1,700$212.0K0.01%––
Trust Co of Vermont1,725$215.0K0.02%––
Arete Wealth Advisors, LLC1,728$216.0K0.03%––
Charter Trust Co1,748$218.0K0.02%––
Northwest Bancshares, Inc.1,759$219.0K0.05%––
Truadvice, LLC1,558$219.0K0.06%––
Sentry Investment Management LLC1,817$227.0K0.06%––
Capital International Inc1,817$227.0K0.00%––
Tributary Capital Management, LLC1,823$227.0K0.02%––
Menard Financial Group LLC1,837$229.0K0.25%––
Cadence Bank NA1,848$230.0K0.07%––
Change Path, LLC1,858$231.0K0.02%––
Signature Estate & Investment Advisors LLC1,866$232.0K0.01%––
Successful Portfolios LLC1,859$232.0K0.15%––
Wolverine Asset Management LLC1,875$233.0K0.00%––
Tdam USA Inc.1,873$234.0K0.01%––
Northside Capital Management, LLC1,891$236.0K0.06%––
AMG National Trust Bank1,900$237.0K0.01%––
Nomura Holdings Inc1,907$239.0K0.00%––
West Branch Capital LLC1,925$240.0K0.14%––
Versor Investments LP1,955$244.0K0.01%––
Bessemer Group Inc1,976$246.0K0.00%––
Bridges Investment Management Inc2,000$250.0K0.01%––
CIBC Private Wealth Group, LLC2,000$250.0K0.00%––
Clarkston Capital Partners, LLC2,000$250.0K0.00%––
Biltmore Family Office, LLC2,000$250.0K0.08%––
Smithfield Trust Co2,039$254.0K0.02%––
Pitcairn Co2,047$256.0K0.02%––
Forte Capital LLC2,059$257.0K0.04%––
Walleye Trading LLC2,075$259.0K0.01%––
Arlington Partners LLC2,084$260.0K0.10%––
Rockefeller Capital Management L.P.2,087$260.0K0.00%––
Spire Wealth Management1,995$261.0K0.01%––
GAM Holding AG2,152$268.0K0.01%––
Conning Inc.2,164$270.0K0.01%––
QS Investors, LLC2,159$270.0K0.00%––
Stratos Wealth Advisors, LLC2,162$270.0K0.03%––
Ifrah Financial Services, Inc.2,173$271.0K0.08%––
JustInvest LLC2,169$271.0K0.04%––
Bartlett & Co. Wealth Management LLC2,179$271.9K0.01%––
Bartlett & Co. LLC2,179$272.0K0.01%––
Mid Atlantic Financial Management Inc2,195$274.0K0.02%––
Bokf, NA2,201$275.0K0.01%––
STRS Ohio2,217$276.0K0.00%––
Corient Capital Partners, LLC2,213$276.0K0.02%––
Woodward Diversified Capital, LLC2,214$276.0K0.16%––
Sowell Financial Services LLC1,867$278.0K0.01%––
Sequoia Financial Advisors, LLC2,237$279.0K0.01%––
D.A. Davidson & Co.2,250$281.0K0.00%––
Grant Street Asset Management, Inc.2,292$286.0K0.16%––
Montag A & Associates Inc2,300$287.0K0.02%––
Vestor Capital, LLC2,300$287.0K0.03%––
Alpine Woods Capital Investors, LLC2,310$288.0K0.03%––
Verition Fund Management LLC2,313$289.0K0.01%––
Cresset Asset Management, LLC2,369$295.0K0.00%––
Roundview Capital LLC2,388$298.0K0.04%––
Vestmark Advisory Solutions, Inc.2,399$299.0K0.03%––
Live Oak Private Wealth LLC2,400$299.0K0.07%––
Winton Group Ltd2,402$300.0K0.02%––
Stonnington Group, LLC2,100$302.0K0.07%––
O'Shaughnessy Asset Management, LLC2,429$303.0K0.01%––