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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, Q1 2025

Institutional positions in Arthur J. Gallagher & Co. as of Mar 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
1,359
+57 vs. Q4 2024
Shares held
228.9M
−2.17M (−0.9%) vs. Q4 2024
Total value
$79.0B
+$13.4B (+20.4%) vs. Q4 2024
New holders
178
549 more added
Sold out
121
448 more reduced

23 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 1,359 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 heldQ1 2025: $79.0B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q4 2024.

Institutions holding AJG in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ballew Advisors, Inc17,791$5.94M3.99%−2,991−14.4%Reduced
Sitrin Capital Management LLC17,202$5.94M3.20%00.0%Unchanged
Keebeck Wealth Management, LLC17,074$5.89M0.87%−2,015−10.6%Reduced
Brookmont Capital Management16,981$5.86M3.31%−1,251−6.9%Reduced
Davenport & Co LLC16,852$5.82M0.03%+702+4.3%Added
Kentucky Retirement Systems16,785$5.79M0.18%+1,729+11.5%Added
B. Metzler seel. Sohn & Co. AG16,676$5.76M0.06%−317−1.9%Reduced
Bellwether Advisors, LLC16,557$5.72M1.19%+8,662+109.7%Added
Barbara Oil Co.16,500$5.70M2.31%00.0%Unchanged
Triasima Portfolio Management inc.16,219$5.60M1.10%+377+2.4%Added
Schwab Charitable Fund16,030$5.53M0.16%00.0%Unchanged
Romano Brothers and Company15,966$5.51M0.71%+201+1.3%Added
Hartford Investment Management Co15,563$5.37M0.19%+129+0.8%Added
Hennion & Walsh Asset Management, Inc.15,174$5.24M0.23%−240−1.6%Reduced
Freedom Day Solutions, LLC15,146$5.23M1.60%00.0%Unchanged
Wendell David Associates Inc14,975$5.17M0.52%+3,308+28.4%Added
Sheaff Brock Investment Advisors, LLC14,953$5.16M0.47%−48−0.3%Reduced
Northwestern Mutual Wealth Management Co14,693$5.07M0.00%+1,457+11.0%Added
Gulf International Bank (UK) Ltd14,532$5.02M0.17%−4,130−22.1%Reduced
Oxbow Advisors, LLC14,424$4.98M0.53%00.0%Unchanged
Legacy Wealth Management, LLC14,311$4.94M1.61%−230−1.6%Reduced
Cambridge Investment Research Advisors, Inc.14,308$4.94M0.02%+1,070+8.1%Added
Crossmark Global Holdings, Inc.14,191$4.90M0.09%−441−3.0%Reduced
NewEdge Wealth, LLC14,109$4.87M0.09%+647+4.8%Added
GAM Holding AG13,994$4.83M0.37%+2,001+16.7%Added
Prescott Group Capital Management, L.L.C.13,746$4.75M0.69%+899+7.0%Added
Louisiana State Employees Retirement System13,700$4.73M0.09%+300+2.2%Added
RSM US Wealth Management LLC13,694$4.73M0.07%−4,119−23.1%Reduced
Bokf, NA13,552$4.68M0.08%−860−6.0%Reduced
NEOS Investment Management LLC13,495$4.66M0.09%+2,507+22.8%Added
Securian Asset Management, Inc13,441$4.64M0.14%−13−0.1%Reduced
Trust Co of Toledo NA13,389$4.62M0.61%−195−1.4%Reduced
Bradley Foster & Sargent Inc13,359$4.61M0.08%−6,793−33.7%Reduced
Coldstream Capital Management Inc13,157$4.54M0.10%−696−5.0%Reduced
Nelson Capital Management, LLC13,012$4.49M0.78%−573−4.2%Reduced
Kestra Advisory Services, LLC12,970$4.48M0.02%−33,082−71.8%Reduced
Illinois Municipal Retirement Fund12,907$4.46M0.06%00.0%Unchanged
Brinker Capital Investments, LLC12,855$4.44M0.04%+511+4.1%Added
Orion Portfolio Solutions, LLC12,855$4.44M0.04%+511+4.1%Added
Metis Global Partners, LLC12,785$4.41M0.12%+2,817+28.3%Added
Robeco Institutional Asset Management B.V.12,691$4.38M0.01%−6,341−33.3%Reduced
Allstate Corp12,484$4.31M0.13%+5,518+79.2%Added
Arthur M. Cohen & Associates, LLC12,449$4.30M0.82%+256+2.1%Added
Hilltop Holdings Inc.12,398$4.28M0.27%+302+2.5%Added
Robbins Farley LLC12,158$4.20M2.23%−1,663−12.0%Reduced
Capital Group Investment Management Pte. Ltd.12,054$4.16M0.85%−1,510−11.1%Reduced
Longbow Finance SA11,879$4.10M0.49%+11,879New
Prosperity Consulting Group, LLC11,814$4.08M0.32%−1,239−9.5%Reduced
Natixis11,847$4.07M0.02%+5,024+73.6%Added
Norinchukin Bank, The11,770$4.06M0.07%+1,575+15.4%Added
Woodline Partners LP11,659$4.03M0.03%−552,111−97.9%Reduced
New Mexico Educational Retirement Board11,650$4.02M0.14%+1,200+11.5%Added
Bollard Group LLC11,552$3.99M0.10%+19+0.2%Added
Dai-Ichi Life Insurance Company, Ltd11,498$3.97M0.12%+466+4.2%Added
Maryland State Retirement & Pension System11,493$3.97M0.09%−1,735−13.1%Reduced
TD Waterhouse Canada Inc.11,492$3.94M0.03%+7,679+201.4%Added
ING Groep NV11,409$3.94M0.03%+119+1.1%Added
Toroso Investments, LLC11,313$3.91M0.03%−3,652−24.4%Reduced
Telligent Fund, LP11,300$3.90M4.33%+700+6.6%Added
Clearstead Advisors, LLC11,288$3.90M0.06%−942−7.7%Reduced
Taikang Asset Management (Hong Kong) Co Ltd11,258$3.89M0.53%−400−3.4%Reduced
Allspring Global Investments Holdings, LLC11,280$3.88M0.01%+82+0.7%Added
Brasada Capital Management, LP12,436$3.87M0.77%+154+1.3%Added
E. Ohman J:or Asset Management AB11,210$3.87M0.10%−400−3.4%Reduced
TownSquare Capital, LLC11,104$3.83M0.04%+1,910+20.8%Added
Chicago Capital, LLC11,003$3.80M0.11%+448+4.2%Added
Cornerstone Advisors, LLC11,000$3.80M0.16%00.0%Unchanged
Chicago Partners Investment Group LLC11,107$3.77M0.13%+208+1.9%Added
Whittier Trust Co10,885$3.76M0.05%−780−6.7%Reduced
Stonebridge Capital Management Inc10,737$3.71M1.60%−825−7.1%Reduced
Sovereign's Capital Management, LLC10,733$3.71M2.20%−203−1.9%Reduced
Callan Family Office, LLC10,656$3.68M0.28%−4,199−28.3%Reduced
Empowered Funds, LLC10,494$3.62M0.05%+1,365+15.0%Added
Sendero Wealth Management, LLC10,379$3.58M0.50%+10,379New
Boothbay Fund Management, LLC10,364$3.58M0.13%−60,192−85.3%Reduced
QRG Capital Management, Inc.10,269$3.55M0.04%+192+1.9%Added
Terra Nova Asset Management LLC10,212$3.53M2.77%+11+0.1%Added
Whitford Management LLC10,164$3.51M4.49%+10,164New
Tilia Fiduciary Partners, Inc.10,092$3.48M2.32%−77−0.8%Reduced
Lombard Odier Asset Management (Switzerland) SA10,064$3.47M0.20%+10,064New
Alberta Investment Management Corp10,043$3.47M0.02%+10,043New
Game Creek Capital, LP10,000$3.45M2.15%−500−4.8%Reduced
Anthracite Investment Company, Inc.10,000$3.45M2.16%00.0%Unchanged
HB Wealth Management, LLC9,997$3.45M0.03%+3,211+47.3%Added
Ancora Advisors, LLC9,960$3.44M0.08%−67−0.7%Reduced
National Asset Management, Inc.9,925$3.43M0.10%+459+4.8%Added
Trueblood Wealth Management, LLC9,808$3.39M1.57%+447+4.8%Added
Glenmede Trust Co NA9,737$3.36M0.02%−108−1.1%Reduced
Synovus Financial Corp9,658$3.33M0.04%−2,869−22.9%Reduced
AG2R la Mondiale Gestion D'Actifs9,330$3.24M0.18%+9,330New
Atria Wealth Solutions, Inc.9,363$3.23M0.04%+188+2.0%Added
Dark Forest Capital Management LP9,316$3.22M0.15%+9,316New
Principal Securities, Inc.11,317$3.21M0.07%00.0%Unchanged
Umb Bank N A9,249$3.19M0.05%+119+1.3%Added
Prudential PLC9,224$3.18M0.02%+4,773+107.2%Added
Knollwood Investment Advisory, LLC9,200$3.18M0.35%00.0%Unchanged
Ritholtz Wealth Management9,088$3.14M0.09%+514+6.0%Added
Marvin & Palmer Associates Inc9,066$3.13M4.67%+9,066New
Leavell Investment Management, Inc.9,019$3.11M0.15%+127+1.4%Added
Farther Finance Advisors, LLC8,687$2.99M0.08%−717−7.6%Reduced