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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
Quantitative Value Technologies, LLC3,063$382.0K0.82%––
IndexIQ Advisors LLC3,054$381.0K0.01%––
Profund Advisors LLC3,038$379.0K0.01%––
Occidental Asset Management, LLC3,034$379.0K0.11%––
Country Club Trust Company, n.a.3,000$377.0K0.04%––
Merrion Investment Management Co, LLC3,000$374.0K0.31%––
Somerset Trust Co2,975$371.0K0.16%––
Transform Wealth, LLC2,975$371.0K0.07%––
HBK Sorce Advisory LLC2,953$368.0K0.02%––
Everence Capital Management Inc2,930$366.0K0.03%––
Argent Trust Co2,929$365.0K0.03%––
Livforsakringsbolaget Skandia, Omsesidigt2,900$362.0K0.03%––
Putnam Investments LLC2,897$361.0K0.00%––
Horizon Kinetics Asset Management LLC2,882$360.0K0.01%––
Dana Investment Advisors, Inc.2,873$358.0K0.02%––
Webster Bank, N. A.2,850$356.0K0.04%––
KC Investment Advisors, LLC2,810$351.0K0.32%––
Guyasuta Investment Advisors Inc2,800$349.0K0.03%––
Ameritas Investment Partners, Inc.2,798$349.0K0.01%––
Yorktown Management & Research Co Inc2,800$349.0K0.29%––
Checchi Capital Advisers, LLC2,733$341.0K0.05%––
Linscomb & Williams, Inc.2,693$336.0K0.02%––
Ascent Wealth Partners, LLC2,695$336.0K0.07%––
M Holdings Securities, Inc.2,630$328.0K0.03%––
Employers Holdings, Inc.2,600$325.0K0.19%––
GPS Wealth Strategies Group, LLC2,603$324.0K0.10%––
JBJ Investment Partners, LLC2,527$315.0K0.07%––
Reynders McVeigh Capital Management, LLC2,514$314.0K0.02%––
Court Place Advisors, LLC2,498$312.0K0.10%––
Trustmark National Bank Trust Department2,483$310.0K0.03%––
Pathway Financial Advisors LLC2,100$308.0K0.12%––
Belpointe Asset Management LLC2,449$305.0K0.03%––
O'Shaughnessy Asset Management, LLC2,429$303.0K0.01%––
Stonnington Group, LLC2,100$302.0K0.07%––
Winton Group Ltd2,402$300.0K0.02%––
Vestmark Advisory Solutions, Inc.2,399$299.0K0.03%––
Live Oak Private Wealth LLC2,400$299.0K0.07%––
Roundview Capital LLC2,388$298.0K0.04%––
Cresset Asset Management, LLC2,369$295.0K0.00%––
Verition Fund Management LLC2,313$289.0K0.01%––
Alpine Woods Capital Investors, LLC2,310$288.0K0.03%––
Montag A & Associates Inc2,300$287.0K0.02%––
Vestor Capital, LLC2,300$287.0K0.03%––
Grant Street Asset Management, Inc.2,292$286.0K0.16%––
D.A. Davidson & Co.2,250$281.0K0.00%––
Sequoia Financial Advisors, LLC2,237$279.0K0.01%––
Sowell Financial Services LLC1,867$278.0K0.01%––
STRS Ohio2,217$276.0K0.00%––
Corient Capital Partners, LLC2,213$276.0K0.02%––
Woodward Diversified Capital, LLC2,214$276.0K0.16%––
Bokf, NA2,201$275.0K0.01%––
Mid Atlantic Financial Management Inc2,195$274.0K0.02%––
Bartlett & Co. LLC2,179$272.0K0.01%––
Bartlett & Co. Wealth Management LLC2,179$271.9K0.01%––
Ifrah Financial Services, Inc.2,173$271.0K0.08%––
JustInvest LLC2,169$271.0K0.04%––
Conning Inc.2,164$270.0K0.01%––
QS Investors, LLC2,159$270.0K0.00%––
Stratos Wealth Advisors, LLC2,162$270.0K0.03%––
GAM Holding AG2,152$268.0K0.01%––
Spire Wealth Management1,995$261.0K0.01%––
Arlington Partners LLC2,084$260.0K0.10%––
Rockefeller Capital Management L.P.2,087$260.0K0.00%––
Walleye Trading LLC2,075$259.0K0.01%––
Forte Capital LLC2,059$257.0K0.04%––
Pitcairn Co2,047$256.0K0.02%––
Smithfield Trust Co2,039$254.0K0.02%––
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%––
Bessemer Group Inc1,976$246.0K0.00%––
Versor Investments LP1,955$244.0K0.01%––
West Branch Capital LLC1,925$240.0K0.14%––
Nomura Holdings Inc1,907$239.0K0.00%––
AMG National Trust Bank1,900$237.0K0.01%––
Northside Capital Management, LLC1,891$236.0K0.06%––
Tdam USA Inc.1,873$234.0K0.01%––
Wolverine Asset Management LLC1,875$233.0K0.00%––
Signature Estate & Investment Advisors LLC1,866$232.0K0.01%––
Successful Portfolios LLC1,859$232.0K0.15%––
Change Path, LLC1,858$231.0K0.02%––
Cadence Bank NA1,848$230.0K0.07%––
Menard Financial Group LLC1,837$229.0K0.25%––
Sentry Investment Management LLC1,817$227.0K0.06%––
Capital International Inc1,817$227.0K0.00%––
Tributary Capital Management, LLC1,823$227.0K0.02%––
Northwest Bancshares, Inc.1,759$219.0K0.05%––
Truadvice, LLC1,558$219.0K0.06%––
Charter Trust Co1,748$218.0K0.02%––
Arete Wealth Advisors, LLC1,728$216.0K0.03%––
Trust Co of Vermont1,725$215.0K0.02%––
Obermeyer Wood Investment Counsel, LLLP1,700$212.0K0.01%––
Transcend Wealth Collective, LLC1,688$211.0K0.03%––
Miller Investment Management, LP1,672$209.0K0.04%––
River Wealth Advisors LLC1,628$203.0K0.04%––
Steward Partners Investment Advisory, LLC1,613$201.3K0.00%––
Rockbridge Investment Management, LCC1,600$200.0K0.04%––
CX Institutional1,585$198.0K0.02%––
City Holding Co1,533$191.0K0.04%––