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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, Q2 2025

Institutional positions in Arthur J. Gallagher & Co. as of Jun 30, 2025. 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
1,379
+36 vs. Q1 2025
Shares held
228.1M
−322.7K (−0.1%) vs. Q1 2025
Total value
$72.9B
−$5.88B (−7.5%) vs. Q1 2025
New holders
140
563 more added
Sold out
104
475 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 1,379 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 heldQ2 2025: $72.9B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2025.

Institutions holding AJG in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Brant Point Investment Management LLC35,072$11.2M2.56%+29+0.1%Added
Sumitomo Mitsui DS Asset Management Company, Ltd34,548$11.1M0.10%+4,597+15.3%Added
Public Employees Retirement Association of Colorado34,397$11.0M0.04%+1,423+4.3%Added
Park Avenue Securities LLC34,396$11.0M0.10%+34,396New
Exencial Wealth Advisors, LLC34,085$10.9M0.38%−40,690−54.4%Reduced
Cooper Investors Pty Ltd33,884$10.8M1.97%−16,227−32.4%Reduced
Rathbone Brothers plc33,604$10.8M0.05%+2,642+8.5%Added
Yousif Capital Management, LLC33,518$10.7M0.12%−50.0%Reduced
Baird Financial Group, Inc.33,475$10.7M0.02%+1,310+4.1%Added
William Blair Investment Management, LLC33,385$10.7M0.03%−38,282−53.4%Reduced
Sigma Investment Counselors Inc32,980$10.6M0.58%+1,217+3.8%Added
Smithbridge Asset Management Inc32,520$10.4M1.82%−158−0.5%Reduced
McKinley Carter Wealth Services, Inc.32,419$10.4M0.58%+1,455+4.7%Added
CIBC World Markets Corp32,214$10.3M0.07%+1,740+5.7%Added
Wealthfront Advisers LLC32,177$10.3M0.03%+672+2.1%Added
Polar Capital Holdings Plc31,967$10.2M0.05%−20,140−38.7%Reduced
Dorsey Wright & Associates31,516$10.1M2.40%+1,175+3.9%Added
North Star Investment Management Corp.31,209$9.99M0.70%−1,170−3.6%Reduced
Citadel Advisors LLC30,696$9.83M0.01%−1,696−5.2%Reduced
First Manhattan Co30,575$9.79M0.03%−351−1.1%Reduced
Bahl & Gaynor Inc30,475$9.76M0.05%00.0%Unchanged
M&T Bank Corp30,344$9.71M0.03%−134−0.4%Reduced
Private Advisor Group, LLC29,944$9.59M0.05%−21−0.1%Reduced
Strategy Asset Managers LLC29,933$9.58M1.79%+670+2.3%Added
Squarepoint Ops LLC29,850$9.56M0.02%+23,020+337.0%Added
Mutual of America Capital Management LLC29,369$9.40M0.10%−210−0.7%Reduced
Colony Group, LLC29,315$9.38M0.02%+1,612+5.8%Added
PFG Advisors29,265$9.37M0.44%+3,512+13.6%Added
Marks Group Wealth Management, Inc28,934$9.26M0.86%−37−0.1%Reduced
Swiss Life Asset Management Ltd28,837$9.23M0.05%+1,538+5.6%Added
Rockefeller Capital Management L.P.28,709$9.19M0.02%+924+3.3%Added
Intech Investment Management LLC28,570$9.15M0.09%+1,615+6.0%Added
Bath Savings Trust Co28,049$8.98M0.91%+4,088+17.1%Added
JustInvest LLC27,960$8.95M0.10%+3,590+14.7%Added
Schwab Charitable Fund27,855$8.92M0.18%+11,825+73.8%Added
Mirae Asset Global ETFs Holdings Ltd.27,663$8.86M0.02%−10,752−28.0%Reduced
Reuter James Wealth Management, LLC27,283$8.73M1.37%−379−1.4%Reduced
Prudential PLC27,262$8.73M0.05%+18,038+195.6%Added
Flputnam Investment Management Co27,047$8.66M0.15%+655+2.5%Added
OP Asset Management Ltd27,019$8.65M0.13%+951+3.6%Added
Avantax Advisory Services, Inc.26,655$8.53M0.05%+3,726+16.3%Added
Bank of Nova Scotia26,553$8.50M0.02%+252+1.0%Added
Pacer Advisors, Inc.26,448$8.47M0.02%+7,164+37.1%Added
XTX Topco Ltd26,362$8.44M0.35%+26,362New
Tocqueville Asset Management L.P.26,214$8.39M0.13%+23+0.1%Added
Skandinaviska Enskilda Banken AB (publ)26,100$8.36M0.04%+7,700+41.8%Added
James Investment Research Inc26,004$8.32M0.99%−602−2.3%Reduced
Capitolis Liquid Global Markets LLC26,000$8.32M0.06%+26,000New
Jackson Wealth Management, LLC25,928$8.30M0.90%−254−1.0%Reduced
Ethic Inc.26,053$8.28M0.15%−7,187−21.6%Reduced
Gamco Investors, Inc. Et Al25,728$8.24M0.08%+2,252+9.6%Added
Fifth Third Bancorp25,678$8.22M0.03%−1,993−7.2%Reduced
Atria Investments LLC25,401$8.13M0.10%+301+1.2%Added
EULAV Asset Management25,400$8.13M0.19%00.0%Unchanged
Nordea Investment Management AB25,583$8.10M0.01%+1,946+8.2%Added
Douglass Winthrop Advisors, LLC25,202$8.07M0.15%−15−0.1%Reduced
Sit Investment Associates Inc25,064$8.02M0.17%−118−0.5%Reduced
Nicola Wealth Management Ltd.25,000$8.00M0.75%−7,000−21.9%Reduced
CWM, LLC24,982$8.00M0.03%−312−1.2%Reduced
KG&L Capital Management,LLC24,969$7.99M2.36%+355+1.4%Added
Ascent Wealth Partners, LLC24,838$7.95M0.98%+92+0.4%Added
Commerce Bank23,560$7.54M0.04%−219−0.9%Reduced
Stratos Wealth Partners, LTD.23,225$7.43M0.10%−400−1.7%Reduced
Prospera Financial Services Inc23,010$7.37M0.14%+607+2.7%Added
Ayrshire Capital Management LLC22,989$7.36M3.53%−734−3.1%Reduced
HighPoint Advisor Group LLC22,379$7.16M0.38%+1,188+5.6%Added
Candriam Luxembourg S.C.A.22,291$7.14M0.04%+874+4.1%Added
Oregon Public Employees Retirement Fund22,036$7.05M0.12%00.0%Unchanged
Colonial Trust Co21,878$7.00M1.02%−112−0.5%Reduced
Vontobel Holding Ltd.21,644$6.93M0.02%−536−2.4%Reduced
Silvercrest Asset Management Group LLC21,414$6.86M0.05%+614+3.0%Added
AIA Group Ltd21,359$6.84M0.15%−722−3.3%Reduced
Marsico Capital Management LLC21,347$6.83M0.19%−3,362−13.6%Reduced
Central Trust Co21,011$6.73M0.16%+50+0.2%Added
Ieq Capital, LLC20,929$6.70M0.04%−6,811−24.6%Reduced
Gabelli Funds LLC20,925$6.70M0.05%+3,031+16.9%Added
Duncker Streett & Co Inc20,489$6.56M1.20%+26+0.1%Added
Atlantic Union Bankshares Corp20,342$6.51M0.15%+381+1.9%Added
Chicago Partners Investment Group LLC20,846$6.48M0.19%+9,739+87.7%Added
Engineers Gate Manager LP20,156$6.45M0.08%+20,156New
First American Bank20,004$6.40M0.44%+816+4.3%Added
Peapack Gladstone Financial Corp19,987$6.40M0.09%+19,325+2,919.2%Added
Family Legacy, Inc.19,814$6.34M2.06%−1,095−5.2%Reduced
Teachers Retirement System of the State of Kentucky19,697$6.31M0.05%+400+2.1%Added
Callan Family Office, LLC19,603$6.28M0.20%+8,947+84.0%Added
Empowered Funds, LLC19,529$6.25M0.07%+9,035+86.1%Added
Elo Mutual Pension Insurance Co19,420$6.22M0.13%+19,420New
Pittenger & Anderson Inc19,147$6.13M0.22%+687+3.7%Added
Torray LLC19,062$6.10M0.89%−1,349−6.6%Reduced
Private Management Group Inc18,810$6.02M0.20%+18,810New
Journey Advisory Group, LLC18,789$6.01M0.47%+194+1.0%Added
Gillson Capital LP18,722$5.99M0.46%−7,178−27.7%Reduced
Spirepoint Private Client, LLC18,634$5.97M0.67%+612+3.4%Added
U.S. Capital Wealth Advisors, LLC18,529$5.93M0.17%+11,787+174.8%Added
Tower Research Capital LLC (TRC)18,508$5.92M0.16%+10,904+143.4%Added
Avanza Fonder AB18,455$5.91M0.17%+60+0.3%Added
Silvant Capital Management LLC18,441$5.90M0.22%−6,311−25.5%Reduced
Sterling Capital Management LLC18,133$5.80M0.08%−10,609−36.9%Reduced
Segall Bryant & Hamill, LLC17,895$5.73M0.08%−2,815−13.6%Reduced
UniSuper Management Pty Ltd17,717$5.67M0.04%−114−0.6%Reduced