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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, Q3 2021

Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 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
775
+8 vs. Q2 2021
Shares held
177.2M
+1.65M (+0.9%) vs. Q2 2021
Total value
$26.3B
+$1.77B (+7.2%) vs. Q2 2021
New holders
80
283 more added
Sold out
72
254 more reduced

12 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 775 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 heldQ3 2021: $26.3B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2021.

Institutions holding AJG in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Sandy Spring Bank179$27.0K0.00%00.0%Unchanged
BDO Wealth Advisors, LLC182$27.0K0.00%00.0%Unchanged
Tortoise Investment Management, LLC174$26.0K0.01%00.0%Unchanged
Prestige Wealth Management Group LLC174$26.0K0.01%00.0%Unchanged
Stuart Chaussee & Associates, Inc.162$24.0K0.04%00.0%Unchanged
Versant Capital Management, Inc161$24.0K0.01%+5+3.2%Added
Logan Capital Management Inc140$21.0K0.00%00.0%Unchanged
Ironwood Financial, llc143$21.0K0.01%00.0%Unchanged
Parkside Financial Bank & Trust135$20.0K0.01%+2+1.5%Added
Gemmer Asset Management LLC132$20.0K0.00%00.0%Unchanged
Cutler Group LP138$20.0K0.00%+138New
Glen Eagle Advisors, LLC130$19.3K0.01%00.0%Unchanged
Fuller & Thaler Asset Management, Inc.130$19.0K0.00%00.0%Unchanged
Gradient Investments LLC120$18.0K0.00%−160−57.1%Reduced
Proffitt & Goodson Inc124$18.0K0.00%00.0%Unchanged
Zions Bancorporation, N.A.119$18.0K0.00%00.0%Unchanged
TSFG, LLC123$18.0K0.01%00.0%Unchanged
Hexagon Capital Partners LLC112$17.0K0.00%00.0%Unchanged
Eagle Bay Advisors LLC109$17.0K0.01%+22+25.3%Added
Baystate Wealth Management LLC114$17.0K0.00%+32+39.0%Added
Ogorek Anthony Joseph109$16.0K0.01%00.0%Unchanged
Leelyn Smith, LLC110$16.0K0.00%00.0%Unchanged
Prentice Wealth Management LLC102$15.0K0.01%00.0%Unchanged
D'Orazio & Associates, Inc.101$15.0K0.00%+101New
Delta Asset Management LLC92$14.0K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc95$14.0K0.00%00.0%Unchanged
Assetmark, Inc85$13.0K0.00%+85New
TCI Wealth Advisors, Inc.81$12.0K0.00%+30+58.8%Added
Earnest Partners LLC74$11.0K0.00%00.0%Unchanged
Gerber Kawasaki Wealth & Investment Management80$11.0K0.00%+80New
Valley National Advisers Inc68$10.0K0.00%00.0%Unchanged
Truvestments Capital LLC69$10.0K0.01%00.0%Unchanged
Sargent Bickham Lagudis LLC66$10.0K0.00%00.0%Unchanged
Bellwether Advisors, LLC70$10.0K0.00%00.0%Unchanged
Capstone Investment Advisors, LLC65$10.0K0.00%+65New
Pacitti Group Inc.58$9.00K0.01%+58New
Resolute Partners Group57$8.00K0.00%00.0%Unchanged
Glassman Wealth Services53$8.00K0.00%+9+20.5%Added
Smith Group Asset Management, LLC57$8.00K0.00%+57New
Concord Wealth Partners48$7.00K0.00%−86−64.2%Reduced
MV Capital Management, Inc.48$7.00K0.00%+15+45.5%Added
Meridian Wealth Partners, LLC47$7.00K0.00%+47New
Global Financial Private Client, LLC43$6.55K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC42$6.00K0.00%00.0%Unchanged
Tarbox Family Office, Inc.41$6.00K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.45$6.00K0.00%+40+800.0%Added
Evoke Wealth, LLC38$5.00K0.00%−27−41.5%Reduced
Patriot Financial Group Insurance Agency, LLC29$4.00K0.00%−4−12.1%Reduced
Plante Moran Financial Advisors, LLC25$4.00K0.00%00.0%Unchanged
Clearstead Advisors, LLC24$4.00K0.00%00.0%Unchanged
Certified Advisory Corp24$4.00K0.00%+24New
Raffa Wealth Management, LLC26$3.87K0.00%00.0%Unchanged
Creative Financial Designs Inc23$3.00K0.00%00.0%Unchanged
MUFG Americas Holdings Corp20$3.00K0.00%+20New
Manchester Capital Management LLC18$3.00K0.00%+18New
USA Financial Portformulas Corp21$3.00K0.00%+21New
Bell Investment Advisors, Inc17$3.00K0.00%+17New
Jones Financial Companies LLLP14$2.00K0.00%−5−26.3%Reduced
C M Bidwell & Associates Ltd12$2.00K0.00%00.0%Unchanged
Financial Management Professionals, Inc.13$2.00K0.00%00.0%Unchanged
Advocacy Wealth Management Services, LLC11$2.00K0.00%00.0%Unchanged
Reilly Financial Advisors, LLC16$2.00K0.00%+16New
Cranbrook Wealth Management, LLC15$2.00K0.00%+15New
Filbrandt Wealth Management, LLC13$2.00K0.00%+13New
Koshinski Asset Management, Inc.13$1.93K0.00%+13New
Sutton Wealth Advisors Inc.9$1.34K0.00%+2+28.6%Added
SRS Capital Advisors, Inc.5$1.00K0.00%−72−93.5%Reduced
Longfellow Investment Management Co LLC3$1.00K0.00%00.0%Unchanged
WestEnd Advisors, LLC–$2970.00%––
Sound Income Strategies, LLC2$00.00%−22−91.7%Reduced
Lenox Wealth Advisors, LLC3$00.00%00.0%Unchanged
Aspire Private Capital, LLC2$00.00%00.0%Unchanged
Arkadios Wealth Advisors2$00.00%−1−33.3%Reduced
First Manhattan Co6$00.00%+6New
Sofos Investments, Inc.3––00.0%Unchanged
Erste Asset Management GmbH0$00.00%−5,700−100.0%Sold out
Ceredex Value Advisors LLC0$00.00%−470,250−100.0%Sold out
William Blair Investment Management, LLC0$00.00%−180,462−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−173,554−100.0%Sold out
Capital Bank & Trust Co0$00.00%−117,316−100.0%Sold out
Marshall Wace, LLP0$00.00%−105,330−100.0%Sold out
Marshall Wace North America L.P.0$00.00%−103,457−100.0%Sold out
Nomura Holdings Inc0$00.00%−70,062−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−42,809−100.0%Sold out
Magnetar Financial LLC0$00.00%−27,235−100.0%Sold out
Aigen Investment Management, LP0$00.00%−26,480−100.0%Sold out
Syquant Capital SAS0$00.00%−20,000−100.0%Sold out
Engineers Gate Manager LP0$00.00%−19,701−100.0%Sold out
Origin Asset Management LLP0$00.00%−19,100−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−16,120−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−15,174−100.0%Sold out
AdvisorShares Investments LLC0$00.00%−13,733−100.0%Sold out
Summit Global Investments0$00.00%−13,494−100.0%Sold out
AlphaCrest Capital Management LLC0$00.00%−12,547−100.0%Sold out
Trexquant Investment LP0$00.00%−10,346−100.0%Sold out
Twinbeech Capital LP0$00.00%−10,297−100.0%Sold out
HRT Financial LP0$00.00%−9,117−100.0%Sold out
Quantitative Systematic Strategies LLC0$00.00%−7,933−100.0%Sold out
LMR Partners LLP0$00.00%−7,868−100.0%Sold out
Duality Advisers, LP0$00.00%−7,036−100.0%Sold out