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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, Q2 2026

Institutional positions in Arthur J. Gallagher & Co. as of Jun 30, 2026. 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
1,295
+58 vs. Q1 2026
Shares held
238.5M
+10.9M (+4.8%) vs. Q1 2026
Total value
$54.7B
+$5.48B (+11.1%) vs. Q1 2026
New holders
164
464 more added
Sold out
106
483 more reduced

11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 1,295 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 heldQ2 2026: $54.7B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2026.

Institutions holding AJG in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Ridgeline Wealth, LLC1,295$297.3K0.17%00.0%Unchanged
McAdam, LLC1,296$297.5K0.01%+1,296New
Hilltop Holdings Inc.1,297$297.8K0.02%−21−1.6%Reduced
Levin Capital Strategies, L.P.1,315$301.8K0.02%+1,315New
Trust Co of Vermont1,318$302.6K0.01%+1,318New
Arlington Partners LLC1,324$304.0K0.55%+200+17.8%Added
Plato Investment Management Ltd1,340$305.8K0.02%−312−18.9%Reduced
Vantus Wealth LLC1,334$306.2K0.16%+1,334New
Sentinus, LLC1,341$307.9K0.02%+1,341New
Ifrah Financial Services, Inc.1,342$308.1K0.08%−33−2.4%Reduced
Eaton Financial Holdings Company, LLC1,345$308.8K0.08%−114−7.8%Reduced
Berkshire Asset Management LLC1,351$310.2K0.01%+81+6.4%Added
Diversify Wealth Management, LLC1,225$310.3K0.01%+99+8.8%Added
Diversify Advisory Services, LLC1,225$310.3K0.01%+1,225New
Horizon Kinetics Asset Management LLC1,354$310.8K0.00%−599−30.7%Reduced
Essex Financial Services, Inc.1,359$312.1K0.02%+1,359New
Lake Street Financial LLC1,387$318.4K0.04%00.0%Unchanged
Modera Wealth Management, LLC1,389$318.9K0.00%−107−7.2%Reduced
ORG Wealth Partners, LLC1,391$319.3K0.05%+1,391New
Provident Investment Management, Inc.1,391$319.3K0.03%00.0%Unchanged
Kathmere Capital Management, LLC1,391$319.4K0.02%+149+12.0%Added
Evansbrook LLC1,392$319.6K0.19%00.0%Unchanged
Strategic Investment Advisors1,396$320.4K0.02%+644+85.6%Added
Catalyst Financial Partners LLC1,396$320.5K0.03%+300+27.4%Added
Shufro Rose & Co LLC1,400$321.4K0.02%00.0%Unchanged
Baker Tilly Wealth Management, LLC1,401$321.6K0.07%+1,401New
Cookson Peirce & Co Inc1,410$323.7K0.01%00.0%Unchanged
Insight 2811, Inc.1,420$326.0K0.13%+20+1.4%Added
Tudor Financial Inc.1,425$327.1K0.15%00.0%Unchanged
Sigma Planning Corp1,432$328.8K0.01%+1,432New
Western Wealth Management, LLC1,437$329.9K0.01%−70−4.6%Reduced
Trust Co of the South1,439$330.4K0.05%00.0%Unchanged
IFP Advisors, Inc1,440$330.6K0.01%−1,700−54.1%Reduced
CWA Asset Management Group, LLC1,444$331.5K0.01%+1,444New
L2 Asset Management, LLC1,455$334.0K0.03%+76+5.5%Added
Modern Wealth Management, LLC1,458$334.9K0.00%+1,458New
Eastern Bank1,465$336.2K0.01%−685−31.9%Reduced
Keel Point, LLC1,467$336.8K0.02%+1,467New
Private Trust Co NA1,468$337.0K0.03%−120−7.6%Reduced
Nicolet Bankshares Inc1,352$337.6K0.01%−104−7.1%Reduced
Balboa Wealth Partners1,481$340.1K0.05%−70−4.5%Reduced
OneAscent Financial Services LLC1,489$341.9K0.02%−88−5.6%Reduced
Penserra Capital Management LLC1,496$342.0K0.00%+48+3.3%Added
Resonant Capital Advisors, LLC1,495$343.2K0.02%+1,495New
Heritage Wealth Advisors1,498$343.9K0.01%−848−36.1%Reduced
Private Advisory Group LLC1,500$344.4K0.02%−204−12.0%Reduced
Carlson Capital L P1,500$344.4K0.07%−100−6.3%Reduced
Longview Financial Advisors, Inc.1,502$344.8K0.20%00.0%Unchanged
Cozad Asset Management Inc1,503$344.9K0.02%−1,500−50.0%Reduced
Ellevest, Inc.1,503$345.0K0.04%−48−3.1%Reduced
AMG National Trust Bank1,507$346.0K0.01%−181−10.7%Reduced
West Paces Advisors Inc.1,510$346.7K0.06%+10+0.7%Added
Snowden Capital Advisors LLC1,518$348.4K0.01%−363−19.3%Reduced
MQS Management LLC1,527$350.6K0.43%+1,527New
Cary Street Partner Investment Advisory LLC1,535$352.5K0.07%−80−5.0%Reduced
Raleigh Capital Management Inc.1,538$353.1K0.11%−24−1.5%Reduced
Biltmore Family Office, LLC1,547$355.1K0.05%00.0%Unchanged
AA Financial Advisors, LLC1,556$357.2K0.04%+348+28.8%Added
Leeward Financial Partners, LLC1,560$358.1K0.09%−106−6.4%Reduced
Oppenheimer Asset Management Inc.1,566$359.5K0.00%−272−14.8%Reduced
Atomi Financial Group, Inc.1,597$366.5K0.01%+9+0.6%Added
LS Investment Advisors, LLC1,600$367.3K0.05%00.0%Unchanged
71 West Capital Partners1,603$368.0K0.01%+605+60.6%Added
Shepherd Street Advisors LLC1,490$369.2K0.32%−437−22.7%Reduced
Oakworth Capital, Inc.1,593$372.2K0.02%+7+0.4%Added
Aventura Private Wealth, LLC1,633$374.8K0.11%−600−26.9%Reduced
Supplemental Annuity Collective Trust of NJ1,648$378.3K0.10%−91−5.2%Reduced
Bokf, NA1,658$380.6K0.01%−443−21.1%Reduced
Bartlett & Co. Wealth Management LLC1,664$382.0K0.00%−7−0.4%Reduced
Miller Investment Management, LP1,672$383.8K0.04%00.0%Unchanged
StoneX Group Inc.1,684$386.7K0.02%−466−21.7%Reduced
Rockland Trust Co1,695$389.1K0.02%−181−9.6%Reduced
Fairfield Financial Advisors, LTD1,700$390.2K0.15%−3,605−68.0%Reduced
Obermeyer Wood Investment Counsel, LLLP1,708$392.1K0.02%00.0%Unchanged
RiverFront Investment Group, LLC1,709$392.3K0.01%+144+9.2%Added
Patrick M Sweeney & Associates, Inc1,710$392.6K0.23%+65+4.0%Added
RMR Capital Management, LLC1,715$393.7K0.27%+1,715New
Pitcairn Wealth Advisors LLC1,731$397.4K0.04%+1,731New
Jackson Wealth Management, LLC1,735$398.0K0.23%−24,724−93.4%Reduced
Ritholtz Wealth Management1,735$398.3K0.01%+38+2.2%Added
Mission Creek Capital Partners, Inc.1,740$399.5K0.07%00.0%Unchanged
Boston Common Asset Management, LLC1,748$401.3K0.02%00.0%Unchanged
Fidelis Capital Partners, LLC1,750$401.7K0.02%−31−1.7%Reduced
Shelton Capital Management1,756$403.1K0.01%00.0%Unchanged
McGlone Suttner Wealth Management, Inc.1,757$403.3K0.05%−14−0.8%Reduced
Generali Asset Management SPA SGR1,759$403.8K0.01%−44−2.4%Reduced
Mitchell Sinkler & Starr1,760$404.0K0.17%00.0%Unchanged
Dynamic Advisor Solutions LLC1,772$406.8K0.01%+66+3.9%Added
Mount Yale Investment Advisors, LLC1,797$412.6K0.01%−518−22.4%Reduced
Clean Yield Group1,800$413.2K0.10%+1,349+299.1%Added
Livforsakringsbolaget Skandia, Omsesidigt1,806$414.4K0.01%00.0%Unchanged
Cambria Investment Management, L.P.1,805$414.4K0.02%+1,805New
RiverGlades Family Offices LLC1,808$415.0K0.19%−249−12.1%Reduced
Capital Asset Advisory Services LLC1,816$417.0K0.02%+260+16.7%Added
Quotient Wealth Partners, LLC1,820$417.8K0.01%+171+10.4%Added
Wealth Science Advisors LLC1,829$419.9K0.19%+1,754+2,338.7%Added
Indivisible Partners1,836$421.4K0.02%+421+29.8%Added
AlTi Global, Inc.1,855$425.9K0.01%−386−17.2%Reduced
Keebeck Wealth Management, LLC1,867$428.6K0.04%−2,071−52.6%Reduced
Archford Capital Strategies, LLC1,871$429.5K0.04%+43+2.4%Added