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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
Atlantic Union Bankshares Corp20,342$6.51M0.15%+381+1.9%Added
Duncker Streett & Co Inc20,489$6.56M1.20%+26+0.1%Added
Gabelli Funds LLC20,925$6.70M0.05%+3,031+16.9%Added
Ieq Capital, LLC20,929$6.70M0.04%−6,811−24.6%Reduced
Central Trust Co21,011$6.73M0.16%+50+0.2%Added
Marsico Capital Management LLC21,347$6.83M0.19%−3,362−13.6%Reduced
AIA Group Ltd21,359$6.84M0.15%−722−3.3%Reduced
Silvercrest Asset Management Group LLC21,414$6.86M0.05%+614+3.0%Added
Vontobel Holding Ltd.21,644$6.93M0.02%−536−2.4%Reduced
Colonial Trust Co21,878$7.00M1.02%−112−0.5%Reduced
Oregon Public Employees Retirement Fund22,036$7.05M0.12%00.0%Unchanged
Candriam Luxembourg S.C.A.22,291$7.14M0.04%+874+4.1%Added
HighPoint Advisor Group LLC22,379$7.16M0.38%+1,188+5.6%Added
Ayrshire Capital Management LLC22,989$7.36M3.53%−734−3.1%Reduced
Prospera Financial Services Inc23,010$7.37M0.14%+607+2.7%Added
Stratos Wealth Partners, LTD.23,225$7.43M0.10%−400−1.7%Reduced
Commerce Bank23,560$7.54M0.04%−219−0.9%Reduced
Ascent Wealth Partners, LLC24,838$7.95M0.98%+92+0.4%Added
KG&L Capital Management,LLC24,969$7.99M2.36%+355+1.4%Added
CWM, LLC24,982$8.00M0.03%−312−1.2%Reduced
Nicola Wealth Management Ltd.25,000$8.00M0.75%−7,000−21.9%Reduced
Sit Investment Associates Inc25,064$8.02M0.17%−118−0.5%Reduced
Douglass Winthrop Advisors, LLC25,202$8.07M0.15%−15−0.1%Reduced
Nordea Investment Management AB25,583$8.10M0.01%+1,946+8.2%Added
EULAV Asset Management25,400$8.13M0.19%00.0%Unchanged
Atria Investments LLC25,401$8.13M0.10%+301+1.2%Added
Fifth Third Bancorp25,678$8.22M0.03%−1,993−7.2%Reduced
Gamco Investors, Inc. Et Al25,728$8.24M0.08%+2,252+9.6%Added
Ethic Inc.26,053$8.28M0.15%−7,187−21.6%Reduced
Jackson Wealth Management, LLC25,928$8.30M0.90%−254−1.0%Reduced
Capitolis Liquid Global Markets LLC26,000$8.32M0.06%+26,000New
James Investment Research Inc26,004$8.32M0.99%−602−2.3%Reduced
Skandinaviska Enskilda Banken AB (publ)26,100$8.36M0.04%+7,700+41.8%Added
Tocqueville Asset Management L.P.26,214$8.39M0.13%+23+0.1%Added
XTX Topco Ltd26,362$8.44M0.35%+26,362New
Pacer Advisors, Inc.26,448$8.47M0.02%+7,164+37.1%Added
Bank of Nova Scotia26,553$8.50M0.02%+252+1.0%Added
Avantax Advisory Services, Inc.26,655$8.53M0.05%+3,726+16.3%Added
OP Asset Management Ltd27,019$8.65M0.13%+951+3.6%Added
Flputnam Investment Management Co27,047$8.66M0.15%+655+2.5%Added
Prudential PLC27,262$8.73M0.05%+18,038+195.6%Added
Reuter James Wealth Management, LLC27,283$8.73M1.37%−379−1.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.27,663$8.86M0.02%−10,752−28.0%Reduced
Schwab Charitable Fund27,855$8.92M0.18%+11,825+73.8%Added
JustInvest LLC27,960$8.95M0.10%+3,590+14.7%Added
Bath Savings Trust Co28,049$8.98M0.91%+4,088+17.1%Added
Intech Investment Management LLC28,570$9.15M0.09%+1,615+6.0%Added
Rockefeller Capital Management L.P.28,709$9.19M0.02%+924+3.3%Added
Swiss Life Asset Management Ltd28,837$9.23M0.05%+1,538+5.6%Added
Marks Group Wealth Management, Inc28,934$9.26M0.86%−37−0.1%Reduced
PFG Advisors29,265$9.37M0.44%+3,512+13.6%Added
Colony Group, LLC29,315$9.38M0.02%+1,612+5.8%Added
Mutual of America Capital Management LLC29,369$9.40M0.10%−210−0.7%Reduced
Squarepoint Ops LLC29,850$9.56M0.02%+23,020+337.0%Added
Strategy Asset Managers LLC29,933$9.58M1.79%+670+2.3%Added
Private Advisor Group, LLC29,944$9.59M0.05%−21−0.1%Reduced
M&T Bank Corp30,344$9.71M0.03%−134−0.4%Reduced
Bahl & Gaynor Inc30,475$9.76M0.05%00.0%Unchanged
First Manhattan Co30,575$9.79M0.03%−351−1.1%Reduced
Citadel Advisors LLC30,696$9.83M0.01%−1,696−5.2%Reduced
North Star Investment Management Corp.31,209$9.99M0.70%−1,170−3.6%Reduced
Dorsey Wright & Associates31,516$10.1M2.40%+1,175+3.9%Added
Polar Capital Holdings Plc31,967$10.2M0.05%−20,140−38.7%Reduced
Wealthfront Advisers LLC32,177$10.3M0.03%+672+2.1%Added
CIBC World Markets Corp32,214$10.3M0.07%+1,740+5.7%Added
McKinley Carter Wealth Services, Inc.32,419$10.4M0.58%+1,455+4.7%Added
Smithbridge Asset Management Inc32,520$10.4M1.82%−158−0.5%Reduced
Sigma Investment Counselors Inc32,980$10.6M0.58%+1,217+3.8%Added
William Blair Investment Management, LLC33,385$10.7M0.03%−38,282−53.4%Reduced
Baird Financial Group, Inc.33,475$10.7M0.02%+1,310+4.1%Added
Yousif Capital Management, LLC33,518$10.7M0.12%−50.0%Reduced
Rathbone Brothers plc33,604$10.8M0.05%+2,642+8.5%Added
Cooper Investors Pty Ltd33,884$10.8M1.97%−16,227−32.4%Reduced
Exencial Wealth Advisors, LLC34,085$10.9M0.38%−40,690−54.4%Reduced
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
Sumitomo Mitsui DS Asset Management Company, Ltd34,548$11.1M0.10%+4,597+15.3%Added
Brant Point Investment Management LLC35,072$11.2M2.56%+29+0.1%Added
Gotham Asset Management, LLC35,260$11.3M0.07%+6,264+21.6%Added
Hantz Financial Services, Inc.35,342$11.3M0.18%−3,125−8.1%Reduced
Renaissance Investment Group LLC36,905$11.8M2.56%+286+0.8%Added
Pathstone Holdings, LLC36,659$11.8M0.05%−2,781−7.1%Reduced
Commonwealth Equity Services, LLC37,378$12.0M0.02%+1,551+4.3%Added
CIBC World Markets Inc.37,992$12.2M0.03%−9,086−19.3%Reduced
Talbot Financial, LLC38,090$12.2M1.15%+5,185+15.8%Added
New York Life Investment Management LLC38,329$12.3M0.11%+867+2.3%Added
Brookstone Capital Management38,413$12.3M0.16%+7,142+22.8%Added
Police & Firemen's Retirement System of New Jersey38,477$12.3M0.11%+2,728+7.6%Added
Hudson Bay Capital Management LP38,482$12.3M0.08%+3,482+9.9%Added
Cerity Partners LLC38,502$12.3M0.02%+2,751+7.7%Added
Mercer Global Advisors Inc39,798$12.7M0.03%+3,221+8.8%Added
Natixis40,501$13.0M0.06%+28,654+241.9%Added
Assetmark, Inc40,567$13.0M0.03%+11,553+39.8%Added
Utah Retirement Systems40,915$13.1M0.14%+205+0.5%Added
First Citizens Bank & Trust Co41,069$13.1M0.24%+11,622+39.5%Added
USS Investment Management Ltd41,199$13.2M0.08%+6,254+17.9%Added
Varma Mutual Pension Insurance Co41,250$13.2M0.10%+3,600+9.6%Added
Verity & Verity, LLC41,306$13.2M1.14%+37+0.1%Added
Xponance, Inc.41,797$13.4M0.11%+4,282+11.4%Added
O'Shaughnessy Asset Management, LLC42,882$13.7M0.09%+2,075+5.1%Added