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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, Q4 2025

Institutional positions in Arthur J. Gallagher & Co. as of Dec 31, 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
1,299
−14 vs. Q3 2025
Shares held
234.2M
+9.18M (+4.1%) vs. Q3 2025
Total value
$60.6B
−$9.03B (−13.0%) vs. Q3 2025
New holders
159
393 more added
Sold out
173
566 more reduced

28 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,299 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 heldQ4 2025: $60.6B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2025.

Institutions holding AJG in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Keebeck Wealth Management, LLC15,468$4.00M0.46%−1,032−6.3%Reduced
Ariel Investments, LLC15,357$3.97M0.04%+1,712+12.5%Added
Neo Ivy Capital Management15,267$3.95M0.62%+4,349+39.8%Added
Pinnacle Financial Partners, Inc.15,236$3.94M0.03%+15,236New
Romano Brothers and Company15,172$3.93M0.45%−220−1.4%Reduced
Freedom Day Solutions, LLC15,146$3.92M1.07%00.0%Unchanged
Hartford Investment Management Co14,891$3.85M0.12%−180−1.2%Reduced
Dakota Wealth Management14,883$3.85M0.07%−15,805−51.5%Reduced
Ballew Advisors, Inc14,895$3.83M2.16%−119−0.8%Reduced
Wealthspire Advisors, LLC14,398$3.73M0.03%+7,104+97.4%Added
Oxbow Advisors, LLC14,320$3.71M0.33%−104−0.7%Reduced
Bessemer Group Inc14,191$3.67M0.01%−519,142−97.3%Reduced
Norinchukin Bank, The13,989$3.62M0.04%+620+4.6%Added
Brasada Capital Management, LP14,020$3.59M0.62%+718+5.4%Added
Seizert Capital Partners, LLC13,800$3.57M0.15%+13,800New
Arthur M. Cohen & Associates, LLC13,694$3.54M0.58%+292+2.2%Added
TD Private Client Wealth LLC13,588$3.52M0.07%−2,760−16.9%Reduced
Coldstream Capital Management Inc13,563$3.51M0.05%−329−2.4%Reduced
Legacy Wealth Management, LLC13,491$3.49M0.93%+3,008+28.7%Added
Mizuho Markets Cayman LP13,165$3.41M0.17%+13,165New
Louisiana State Employees Retirement System13,100$3.39M0.06%−400−3.0%Reduced
Nelson Capital Management, LLC13,087$3.39M0.40%−256−1.9%Reduced
Jones Financial Companies LLLP13,072$3.38M0.00%+1,027+8.5%Added
Grimes & Company, Inc.12,871$3.33M0.08%+1,414+12.3%Added
Bradley Foster & Sargent Inc12,832$3.32M0.05%−880−6.4%Reduced
Jane Street Group, LLC12,796$3.31M0.00%+3,224+33.7%Added
U.S. Capital Wealth Advisors, LLC12,658$3.28M0.09%−1,338−9.6%Reduced
Maryland State Retirement & Pension System12,638$3.27M0.07%00.0%Unchanged
New Age Alpha Advisors, LLC12,558$3.25M0.14%−233−1.8%Reduced
Trust Co of Toledo NA12,518$3.24M0.32%00.0%Unchanged
Gulf International Bank (UK) Ltd12,509$3.24M0.11%00.0%Unchanged
Duncker Streett & Co Inc12,448$3.22M0.57%−8,005−39.1%Reduced
Abn Amro Investment Solutions12,399$3.21M0.05%+8,475+216.0%Added
Neuberger Berman Group LLC12,397$3.21M0.00%−317−2.5%Reduced
First Nebraska Trust Co12,289$3.18M0.29%+4,205+52.0%Added
Pittenger & Anderson Inc12,190$3.15M0.12%−6,483−34.7%Reduced
Principal Securities, Inc.12,005$3.11M0.05%−1,990−14.2%Reduced
ING Groep NV11,853$3.07M0.02%−153−1.3%Reduced
New Mexico Educational Retirement Board11,850$3.07M0.09%+300+2.6%Added
Bollard Group LLC11,799$3.05M0.08%−339−2.8%Reduced
Chicago Capital, LLC11,713$3.03M0.07%+175+1.5%Added
B. Metzler seel. Sohn & Co. AG11,679$3.02M0.03%+313+2.8%Added
Intech Investment Management LLC11,488$2.97M0.03%−2,533−18.1%Reduced
Balyasny Asset Management LLC11,370$2.94M0.01%−617,139−98.2%Reduced
Crossmark Global Holdings, Inc.11,232$2.91M0.04%−874−7.2%Reduced
Dai-Ichi Life Insurance Company, Ltd11,163$2.89M0.07%−1,200−9.7%Reduced
Prescott Group Capital Management, L.L.C.11,138$2.88M0.27%00.0%Unchanged
Sovereign's Capital Management, LLC11,074$2.87M1.74%−574−4.9%Reduced
Allspring Global Investments Holdings, LLC11,174$2.86M0.00%+601+5.7%Added
Northwestern Mutual Wealth Management Co11,039$2.86M0.00%−236−2.1%Reduced
Tilia Fiduciary Partners, Inc.10,826$2.80M1.55%+434+4.2%Added
Vontobel Holding Ltd.10,824$2.80M0.01%−9,732−47.3%Reduced
Whittier Trust Co10,536$2.77M0.03%−379−3.5%Reduced
Concurrent Investment Advisors, LLC10,594$2.74M0.03%+2,511+31.1%Added
BI Asset Management Fondsmaeglerselskab A/S10,542$2.73M0.02%+12+0.1%Added
MUFG Securities EMEA plc10,522$2.72M0.03%+5,615+114.4%Added
MAI Capital Management10,446$2.70M0.02%+3,866+58.8%Added
AG2R la Mondiale Gestion D'Actifs10,415$2.70M0.12%+712+7.3%Added
Hilltop Holdings Inc.10,253$2.65M0.16%−1,639−13.8%Reduced
Brinker Capital Investments, LLC10,093$2.61M0.02%−748−6.9%Reduced
Lido Advisors, LLC8,558$2.61M0.01%−1,084−11.2%Reduced
Ritholtz Wealth Management10,061$2.60M0.05%+45+0.4%Added
Panagora Asset Management Inc10,036$2.60M0.01%−1,781−15.1%Reduced
Tower Research Capital LLC (TRC)9,915$2.57M0.06%+7,419+297.2%Added
Flputnam Investment Management Co9,879$2.56M0.04%−8,138−45.2%Reduced
Leavell Investment Management, Inc.9,771$2.53M0.11%+1,136+13.2%Added
Ancora Advisors, LLC9,701$2.51M0.05%−217−2.2%Reduced
Glenmede Trust Co NA9,656$2.50M0.01%+9,656New
Iams Wealth Management, LLC9,557$2.47M0.89%+1,438+17.7%Added
Prosperity Consulting Group, LLC9,527$2.47M0.11%−1,862−16.3%Reduced
RSM US Wealth Management LLC9,413$2.46M0.03%+180+1.9%Added
Metis Global Partners, LLC9,457$2.45M0.06%−515−5.2%Reduced
PEAK6 LLC9,327$2.41M0.07%+9,327New
Tokio Marine Asset Management Co Ltd9,320$2.41M0.08%+506+5.7%Added
Argo Wealth Advisory, LLC9,255$2.40M1.43%+9,255New
HB Wealth Management, LLC9,251$2.39M0.02%−302−3.2%Reduced
C WorldWide Group Holding A/S9,224$2.39M0.04%00.0%Unchanged
Umb Bank N A9,222$2.39M0.03%+10.0%Added
Intesa Sanpaolo Wealth Management9,183$2.38M0.49%+9,183New
Knollwood Investment Advisory, LLC9,168$2.37M0.22%00.0%Unchanged
E. Ohman J:or Asset Management AB9,063$2.35M0.05%−2,012−18.2%Reduced
Game Creek Capital, LP9,000$2.33M0.88%−1,000−10.0%Reduced
Apollon Wealth Management, LLC8,960$2.32M0.04%−619−6.5%Reduced
North Dakota State Investment Board8,694$2.25M0.08%+8,694New
Cincinnati Specialty Underwriters Insurance CO8,428$2.18M0.50%+8,428New
Harbor Advisors LLC8,375$2.17M0.33%00.0%Unchanged
Anchor Investment Management, LLC8,354$2.16M0.18%+5,977+251.5%Added
Old North State Trust, LLC8,319$2.15M1.27%−871−9.5%Reduced
Quantitative Investment Management, LLC8,208$2.12M0.21%+6,470+372.3%Added
Northwestern Mutual Investment Management Company, LLC8,206$2.12M0.02%+36+0.4%Added
Meiji Yasuda Life Insurance Co8,183$2.12M0.06%+1,469+21.9%Added
Close Asset Management Ltd8,058$2.09M0.05%−3,786−32.0%Reduced
Provident Wealth Management, LLC7,819$2.02M0.60%00.0%Unchanged
Arkadios Wealth Advisors7,802$2.02M0.04%−396−4.8%Reduced
Trueblood Wealth Management, LLC7,782$2.01M0.79%−2,339−23.1%Reduced
Landscape Capital Management, L.L.C.7,770$2.01M0.13%−3,106−28.6%Reduced
Omers Administration Corp7,725$2.00M0.01%00.0%Unchanged
Merit Financial Group, LLC7,575$1.96M0.02%−461−5.7%Reduced
Pensionmark Financial Group, LLC7,506$1.94M0.03%+3,326+79.6%Added
Bright Rock Capital Management, LLC7,500$1.94M0.38%00.0%Unchanged