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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, Q3 2021

Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 2021. 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
775
+8 vs. Q2 2021
Shares held
177.2M
+1.65M (+0.9%) vs. Q2 2021
Total value
$26.3B
+$1.77B (+7.2%) vs. Q2 2021
New holders
80
283 more added
Sold out
72
254 more reduced

12 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 775 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 2021: $26.3B
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 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2021.

Institutions holding AJG in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Trust Co of Toledo NA20,561$3.06M0.50%−31−0.2%Reduced
Stonebridge Capital Management Inc20,475$3.04M1.12%−375−1.8%Reduced
Gyon Technologies Capital Management, LP20,250$3.01M0.81%+13,663+207.4%Added
Ghisallo Capital Management LLC20,000$2.97M0.11%−230,000−92.0%Reduced
Geneos Wealth Management Inc.19,309$2.94M0.11%+1,516+8.5%Added
Hartford Investment Management Co19,407$2.88M0.08%−2,180−10.1%Reduced
Wealthfront Advisers LLC19,128$2.84M0.01%+7,601+65.9%Added
Capital Fund Management S.A.18,929$2.81M0.07%−10,355−35.4%Reduced
Ancora Advisors, LLC18,890$2.81M0.07%+6,197+48.8%Added
First American Bank18,799$2.79M0.16%+3,765+25.0%Added
Crossmark Global Holdings, Inc.18,600$2.77M0.06%+450+2.5%Added
Ferguson Wellman Capital Management, Inc18,571$2.76M0.09%+517+2.9%Added
Eastern Bank18,347$2.73M0.13%−7,831−29.9%Reduced
Flputnam Investment Management Co18,006$2.68M0.09%+2,146+13.5%Added
TD Private Client Wealth LLC17,688$2.63M0.11%−550−3.0%Reduced
Ensign Peak Advisors, Inc17,632$2.62M0.01%−2,623−12.9%Reduced
Fifth Third Bancorp17,617$2.62M0.01%+776+4.6%Added
Wolverine Trading, LLC17,111$2.58M0.05%+1,642+10.6%Added
Securian Asset Management, Inc17,354$2.58M0.05%−100−0.6%Reduced
ING Groep NV17,358$2.58M0.03%+530+3.1%Added
MD Financial Management Inc.17,210$2.56M0.06%−482−2.7%Reduced
Legacy Wealth Management, LLC16,856$2.51M1.34%−30−0.2%Reduced
Gotham Asset Management, LLC16,634$2.47M0.10%+1,140+7.4%Added
CIBC World Markets Inc.16,528$2.46M0.01%−60.0%Reduced
Barbara Oil Co.16,500$2.45M1.15%00.0%Unchanged
Meiji Yasuda Asset Management Co Ltd.16,160$2.40M0.17%+100+0.6%Added
First Hawaiian Bank15,959$2.37M0.10%+86+0.5%Added
Panagora Asset Management Inc15,665$2.33M0.01%−215,452−93.2%Reduced
Maryland State Retirement & Pension System15,296$2.32M0.07%00.0%Unchanged
Mount Lucas Management LP15,272$2.27M0.72%−1,138−6.9%Reduced
Teachers Retirement System of the State of Kentucky15,050$2.24M0.02%00.0%Unchanged
Whittier Trust Co14,857$2.21M0.04%+183+1.2%Added
Pinebridge Investments, L.P.14,817$2.20M0.03%−62,781−80.9%Reduced
Janney Montgomery Scott LLC14,555$2.16M0.01%+2,243+18.2%Added
First Citizens Bank & Trust Co13,634$2.03M0.10%+272+2.0%Added
Elo Mutual Pension Insurance Co13,509$2.01M0.06%00.0%Unchanged
New Mexico Educational Retirement Board13,450$2.00M0.07%+500+3.9%Added
Sumitomo Mitsui DS Asset Management Company, Ltd13,245$1.97M0.05%+171+1.3%Added
Cambridge Investment Research Advisors, Inc.13,136$1.95M0.01%−5,288−28.7%Reduced
Full18 Capital LLC13,075$1.94M0.78%+13,075New
Louisiana State Employees Retirement System12,900$1.92M0.05%+100+0.8%Added
Keeley-Teton Advisors, LLC12,889$1.92M0.21%−275−2.1%Reduced
Cabot Wealth Management Inc12,847$1.91M0.26%00.0%Unchanged
Segall Bryant & Hamill, LLC12,129$1.81M0.02%+2,140+21.4%Added
Avantax Advisory Services, Inc.12,146$1.80M0.03%−361−2.9%Reduced
Old North State Trust, LLC12,138$1.80M1.61%00.0%Unchanged
Sheaff Brock Investment Advisors, LLC12,100$1.80M0.18%00.0%Unchanged
Sitrin Capital Management LLC12,063$1.79M0.86%00.0%Unchanged
RFG Advisory, LLC11,980$1.78M0.15%+1,075+9.9%Added
SRB Corp11,928$1.77M0.11%−1,285−9.7%Reduced
Kestra Advisory Services, LLC11,758$1.75M0.02%−403−3.3%Reduced
Jump Financial, LLC11,708$1.74M0.13%+11,708New
Caption Management, LLC11,700$1.74M0.11%+11,700New
Umb Bank N A11,657$1.73M0.04%−207−1.7%Reduced
Kentucky Retirement Systems11,604$1.73M0.08%−327−2.7%Reduced
Chicago Partners Investment Group LLC10,362$1.69M0.12%+40.0%Added
Pinnacle Wealth Planning Services, Inc.11,088$1.65M0.37%−52−0.5%Reduced
Andesa Financial Management Inc.11,068$1.65M0.89%−11,068−50.0%Reduced
Boston Private Wealth LLC11,011$1.64M0.02%+22+0.2%Added
First National Bank of Omaha10,560$1.57M0.08%−2,114−16.7%Reduced
Glenmede Trust Co NA10,538$1.56M0.01%+8+0.1%Added
Ballew Advisors, Inc10,000$1.56M1.14%00.0%Unchanged
Xponance, Inc.10,459$1.55M0.03%−822−7.3%Reduced
Nordea Investment Management AB10,166$1.55M0.00%+350+3.6%Added
Shay Capital LLC10,000$1.49M0.47%+2,000+25.0%Added
Prospera Financial Services Inc9,520$1.42M0.07%+171+1.8%Added
Mirabella Financial Services LLP9,502$1.41M0.19%−1,850−16.3%Reduced
Mercer Global Advisors Inc9,477$1.41M0.01%+2,047+27.6%Added
Leavell Investment Management, Inc.9,458$1.41M0.10%+61+0.6%Added
Northwestern Mutual Investment Management Company, LLC9,390$1.40M0.03%+86+0.9%Added
Twin Tree Management, LP9,161$1.36M0.04%−1,611−15.0%Reduced
Oppenheimer & Co Inc9,083$1.35M0.03%+671+8.0%Added
Diversified Trust Co8,997$1.34M0.05%−20−0.2%Reduced
SG Americas Securities, LLC8,959$1.33M0.01%−22,555−71.6%Reduced
Candriam Luxembourg S.C.A.8,949$1.33M0.01%+18+0.2%Added
Cox Capital Mgt LLC8,828$1.31M0.88%+384+4.5%Added
Crawford Investment Counsel Inc8,574$1.27M0.03%+36+0.4%Added
Whittier Trust Co of Nevada Inc8,534$1.27M0.05%+34+0.4%Added
Storebrand Asset Management AS8,463$1.26M0.01%00.0%Unchanged
Acadian Asset Management LLC8,465$1.26M0.00%+7,828+1,228.9%Added
Jefferies Group LLC8,414$1.25M0.03%+4,203+99.8%Added
First Nebraska Trust Co8,400$1.25M0.16%−25−0.3%Reduced
E. Ohman J:or Asset Management AB8,400$1.25M0.04%+1,200+16.7%Added
Insight Wealth Strategies, LLC8,380$1.25M0.18%+431+5.4%Added
JJJ Advisors Inc.8,295$1.23M0.44%00.0%Unchanged
Benjamin Edwards Inc8,164$1.21M0.74%+648+8.6%Added
American National Registered Investment Advisor, Inc.8,117$1.21M0.44%−30−0.4%Reduced
Paradigm Financial Partners, LLC7,651$1.17M0.28%−1,550−16.8%Reduced
Sciencast Management LP7,150$1.12M0.32%+5,474+326.6%Added
Raymond James Trust N.A.7,405$1.10M0.04%−381−4.9%Reduced
Atria Investments LLC7,180$1.07M0.02%+7,180New
Rockefeller Capital Management L.P.7,133$1.06M0.01%+856+13.6%Added
WBH Advisory Inc7,050$1.05M0.14%00.0%Unchanged
Grimes & Company, Inc.7,052$1.05M0.05%00.0%Unchanged
Signature Estate & Investment Advisors LLC6,956$1.03M0.05%+2,820+68.2%Added
Versor Investments LP6,939$1.03M0.03%+3,008+76.5%Added
Norinchukin Bank, The6,889$1.02M0.01%+646+10.3%Added
Essex Investment Management Co LLC6,880$1.02M0.13%00.0%Unchanged
B. Metzler seel. Sohn & Co. Holding AG6,846$1.02M0.01%−2,871−29.5%Reduced
Private Trust Co NA6,757$1.00M0.15%+305+4.7%Added