Skip to main content

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 2025

Institutional positions in Arthur J. Gallagher & Co. as of Sep 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
1,341
−21 vs. Q2 2025
Shares held
225.4M
+2.22M (+1.0%) vs. Q2 2025
Total value
$69.7B
−$1.65B (−2.3%) vs. Q2 2025
New holders
115
511 more added
Sold out
136
487 more reduced

17 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,341 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 2025: $69.7B
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 20251,341$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 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2025.

Institutions holding AJG in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Handelsbanken Fonder AB79,268$24.6M0.08%+1,853+2.4%Added
Wealth Enhancement Advisory Services, LLC78,522$24.3M0.04%+18,861+31.6%Added
Philo Smith Capital Corp77,725$24.1M6.69%00.0%Unchanged
Baldwin Brothers Inc76,829$23.8M1.55%−1,888−2.4%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund75,994$23.5M0.20%−1,300−1.7%Reduced
Baltimore-Washington Financial Advisors, Inc.75,734$23.5M1.01%+4,798+6.8%Added
Mountain Pacific Investment Advisers Inc74,916$23.2M3.63%−101,061−57.4%Reduced
Ceredex Value Advisors LLC74,900$23.2M0.54%+74,900New
Arizona State Retirement System74,852$23.2M0.12%+90+0.1%Added
Assetmark, Inc73,272$22.7M0.05%+32,705+80.6%Added
Creative Planning72,012$22.3M0.02%+2,772+4.0%Added
Public Sector Pension Investment Board71,304$22.1M0.08%+18,637+35.4%Added
Professional Advisory Services Inc69,909$21.7M2.82%+5,300+8.2%Added
State of Michigan Retirement System69,287$21.5M0.10%−300−0.4%Reduced
Envestnet Portfolio Solutions, Inc.69,185$21.4M0.08%−2,749−3.8%Reduced
Forsta Ap-Fonden68,700$21.3M0.13%+2,700+4.1%Added
Ilmarinen Mutual Pension Insurance Co68,100$21.1M0.16%00.0%Unchanged
Bristlecone Advisors, LLC67,794$21.0M1.75%00.0%Unchanged
North Point Portfolio Managers Corp67,330$20.9M3.45%−546−0.8%Reduced
11 Capital Partners LP67,074$20.8M5.88%−1,390−2.0%Reduced
HighTower Advisors, LLC66,340$20.6M0.02%+8,401+14.5%Added
Banco Bilbao Vizcaya Argentaria, S.A.65,889$20.4M0.16%+6,090+10.2%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.65,789$20.4M0.05%−37,543−36.3%Reduced
Mirae Asset Global Investments Co., Ltd.65,688$20.3M0.06%+8,346+14.6%Added
Nisa Investment Advisors, LLC65,484$20.3M0.08%−213−0.3%Reduced
Czech National Bank65,111$20.2M0.14%+2,512+4.0%Added
MetLife Investment Management64,291$19.9M0.10%−1,625−2.5%Reduced
Janney Montgomery Scott LLC63,368$19.6M0.05%+339+0.5%Added
Lawson Kroeker Investment Management Inc63,168$19.6M3.57%−3,125−4.7%Reduced
Vident Advisory, LLC62,808$19.5M0.19%+12,669+25.3%Added
Alley Investment Management Company, LLC62,558$19.4M2.25%+1,048+1.7%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys61,562$19.1M0.10%−1,248−2.0%Reduced
Mariner, LLC60,717$18.8M0.02%−3,325−5.2%Reduced
Mackenzie Financial Corp60,438$18.7M0.02%−49,119−44.8%Reduced
STRS Ohio59,781$18.5M0.07%−42,553−41.6%Reduced
Ensign Peak Advisors, Inc58,290$18.1M0.03%+5,862+11.2%Added
Healthcare of Ontario Pension Plan Trust Fund57,649$17.9M0.03%−169,154−74.6%Reduced
Daiwa Securities Group Inc.57,241$17.7M0.06%+2,257+4.1%Added
CIBC Asset Management Inc56,769$17.6M0.05%−7,614−11.8%Reduced
D. Scott Neal, Inc.56,663$17.6M8.12%−951−1.7%Reduced
Capital International Ltd55,933$17.3M0.63%+943+1.7%Added
Running Oak Capital LLC54,724$17.0M1.90%+2,857+5.5%Added
Distillate Capital Partners LLC54,634$16.9M0.88%−696−1.3%Reduced
iA Global Asset Management Inc.52,890$16.4M0.22%+52,890New
Mediolanum International Funds Ltd53,258$16.3M0.17%−7,229−12.0%Reduced
Longbow Finance SA52,079$16.1M1.59%−7,281−12.3%Reduced
ProShare Advisors LLC51,455$15.9M0.03%−5,190−9.2%Reduced
Newport Capital Group, LLC51,333$15.9M9.99%+30.0%Added
Brookstone Capital Management51,316$15.9M0.19%+12,903+33.6%Added
Thrivent Financial for Lutherans51,167$15.8M0.03%+2,217+4.5%Added
Rench Wealth Management, Inc.50,435$15.6M4.58%+960+1.9%Added
Varma Mutual Pension Insurance Co50,250$15.6M0.10%+9,000+21.8%Added
Skandinaviska Enskilda Banken AB (publ)50,072$15.5M0.06%+23,972+91.8%Added
Generate Investment Management Ltd50,000$15.5M0.79%+32,399+184.1%Added
Amalgamated Bank49,635$15.4M0.11%−722−1.4%Reduced
DnB Asset Management AS49,533$15.3M0.06%+1,023+2.1%Added
Factory Mutual Insurance Co49,500$15.3M0.15%+35,000+241.4%Added
State of Alaska, Department of Revenue49,247$15.3M0.16%−1,390−2.7%Reduced
Appleton Partners Inc48,854$15.1M1.02%+564+1.2%Added
South Street Advisors LLC48,609$15.1M1.97%+176+0.4%Added
Picton Mahoney Asset Management48,481$15.0M0.19%−2,247−4.4%Reduced
Sanctuary Advisors, LLC48,061$14.9M0.09%−3,685−7.1%Reduced
Tompkins Financial Corp48,007$14.9M1.24%−694−1.4%Reduced
FineMark National Bank & Trust47,833$14.8M0.48%−257−0.5%Reduced
Trillium Asset Management, LLC47,820$14.8M0.39%+40,094+518.9%Added
Pathstone Holdings, LLC46,788$14.5M0.06%+10,129+27.6%Added
IFM Investors Pty Ltd47,540$14.5M0.13%−98−0.2%Reduced
Gotham Asset Management, LLC46,662$14.5M0.06%+11,402+32.3%Added
Capital Group Private Client Services, Inc.46,016$14.3M0.24%−152,468−76.8%Reduced
Busey Wealth Management45,364$14.1M0.39%+656+1.5%Added
GW&K Investment Management, LLC45,051$14.0M0.12%−1,794−3.8%Reduced
Prospector Partners LLC44,964$13.9M1.68%−32,699−42.1%Reduced
Teachers Retirement System of the State of Kentucky44,777$13.9M0.11%+25,080+127.3%Added
Pelham Capital Ltd.44,672$13.8M7.20%+44,672New
First Trust Advisors LP44,462$13.8M0.01%−116,225−72.3%Reduced
Taikang Asset Management (Hong Kong) Co Ltd44,100$13.7M1.53%+31,222+242.4%Added
Colony Group, LLC43,876$13.6M0.02%+14,561+49.7%Added
Segment Wealth Management, LLC43,578$13.5M0.81%+246+0.6%Added
CI Private Wealth, LLC43,554$13.5M0.02%−21,320−32.9%Reduced
O'Shaughnessy Asset Management, LLC43,067$13.3M0.08%+185+0.4%Added
Oppenheimer Asset Management Inc.42,904$13.3M0.15%−485−1.1%Reduced
Nicola Wealth Management Ltd.42,900$13.3M1.18%+17,900+71.6%Added
Utah Retirement Systems41,907$13.0M0.13%+992+2.4%Added
USS Investment Management Ltd41,199$12.8M0.06%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey40,819$12.6M0.10%+2,342+6.1%Added
Verity & Verity, LLC40,780$12.6M1.01%−526−1.3%Reduced
First Citizens Bank & Trust Co40,257$12.5M0.27%−812−2.0%Reduced
Commonwealth Equity Services, LLC40,156$12.4M0.02%+2,778+7.4%Added
Talbot Financial, LLC39,858$12.3M1.04%+1,768+4.6%Added
Teacher Retirement System of Texas39,521$12.2M0.05%−43,039−52.1%Reduced
Bridgewater Associates, LP39,190$12.1M0.05%+39,190New
Xponance, Inc.38,191$11.8M0.09%−3,606−8.6%Reduced
Renaissance Investment Group LLC37,454$11.6M2.35%+549+1.5%Added
New York Life Investment Management LLC37,387$11.6M0.10%−942−2.5%Reduced
Cerity Partners LLC37,292$11.6M0.02%−1,210−3.1%Reduced
Park Avenue Securities LLC37,257$11.5M0.09%+2,861+8.3%Added
CIBC Bancorp USA Inc.35,361$11.0M0.07%+35,361New
CIBC World Markets Inc.35,295$10.9M0.02%−2,697−7.1%Reduced
Brant Point Investment Management LLC35,072$10.9M2.41%00.0%Unchanged
Sumitomo Mitsui DS Asset Management Company, Ltd34,683$10.7M0.09%+135+0.4%Added