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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 2024

Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 2024. 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
1,203
+61 vs. Q2 2024
Shares held
187.7M
+16.0M (+9.3%) vs. Q2 2024
Total value
$52.8B
+$8.24B (+18.5%) vs. Q2 2024
New holders
121
435 more added
Sold out
60
450 more reduced

11 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 1,203 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: 1,360 institutionsQ2 2025: 1,380 institutionsQ3 2025: 1,342 institutionsQ4 2025: 1,299 institutionsQ1 2026: 1,248 institutionsQ2 2026: 1,295 institutions
Value heldQ3 2024: $52.8B
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 20251,342$69.7B
Q2 20251,380$72.9B
Q1 20251,360$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 2024

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2024.

Institutions holding AJG in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc25,820,473$7.27B0.13%+191,149+0.7%Added
BlackRock, Inc.17,520,868$4.93B0.10%+17,520,868New
FMR LLC12,305,478$3.46B0.21%+580,134+4.9%Added
Capital International Investors9,761,771$2.75B0.53%−431,204−4.2%Reduced
State Street Corp8,932,007$2.51B0.10%+47,656+0.5%Added
Morgan Stanley6,938,779$1.95B0.14%−97,299−1.4%Reduced
Capital World Investors6,288,942$1.77B0.27%+483,858+8.3%Added
Geode Capital Management, LLC5,490,728$1.54B0.12%+79,429+1.5%Added
Norges Bank5,181,336$1.46B0.20%−620,409−10.7%Reduced
JPMorgan Chase & Co4,844,657$1.36B0.11%+140,502+3.0%Added
Massachusetts Financial Services Co3,196,992$899.5M0.27%+383,130+13.6%Added
Brown Advisory Inc2,697,100$758.9M0.95%−51,152−1.9%Reduced
Baillie Gifford & Co2,380,947$669.9M0.50%−108,319−4.4%Reduced
WCM Investment Management, LLC2,342,872$654.7M1.48%−261,176−10.0%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.2,091,763$588.6M0.63%+170,128+8.9%Added
Invesco Ltd.1,931,294$543.4M0.10%−187,258−8.8%Reduced
Northern Trust Corp1,875,108$527.6M0.09%−85,286−4.4%Reduced
Charles Schwab Investment Management Inc1,844,296$518.9M0.10%−10,382−0.6%Reduced
Brown Brothers Harriman & Co1,458,416$410.4M2.79%−5,737−0.4%Reduced
Goldman Sachs Group Inc1,422,137$400.1M0.08%+238,153+20.1%Added
Envestnet Asset Management Inc1,421,250$399.9M0.13%+10,901+0.8%Added
Bank of New York Mellon Corp1,407,669$396.1M0.07%−30,056−2.1%Reduced
Janus Henderson Group PLC1,330,703$374.4M0.19%+31,181+2.4%Added
Legal & General Group Plc1,208,129$339.9M0.09%−48,178−3.8%Reduced
UBS Asset Management Americas Inc1,129,255$317.7M0.08%−94,933−7.8%Reduced
Bank of America Corp1,111,850$312.8M0.03%+118,231+11.9%Added
Wellington Management Group LLP1,077,036$303.0M0.05%−102,975−8.7%Reduced
California Public Employees Retirement System995,051$280.0M0.20%−53,765−5.1%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main928,894$261.4M0.27%−35,638−3.7%Reduced
Boston Partners886,091$249.7M0.29%−7,284−0.8%Reduced
Principal Financial Group Inc885,796$249.2M0.14%+618,362+231.2%Added
Manufacturers Life Insurance Company, The879,253$247.4M0.22%−164,516−15.8%Reduced
Findlay Park Partners LLP861,201$242.3M2.29%−418,900−32.7%Reduced
FIL Ltd852,522$239.9M0.22%−226,413−21.0%Reduced
Bessemer Group Inc851,168$239.5M0.39%+1,353+0.2%Added
Mawer Investment Management Ltd.800,455$225.2M1.03%−11,089−1.4%Reduced
Guinness Asset Management LTD799,231$224.8M4.26%+34,972+4.6%Added
TD Asset Management Inc799,719$223.5M0.20%+56,050+7.5%Added
Voya Investment Management LLC769,182$216.0M0.22%+7,288+1.0%Added
Beck Mack & Oliver LLC767,173$215.9M4.20%+4,740+0.6%Added
Dimensional Fund Advisors LP680,479$191.5M0.05%+7,023+1.0%Added
Nuveen Asset Management, LLC660,024$185.7M0.05%−11,633−1.7%Reduced
Royal Bank of Canada654,298$184.1M0.04%−26,787−3.9%Reduced
Swiss National Bank648,500$182.5M0.12%+6,700+1.0%Added
HSBC Holdings PLC644,003$180.7M0.11%+206,561+47.2%Added
Stonehage Fleming Financial Services Holdings Ltd637,555$179.4M4.74%−5,007−0.8%Reduced
Barclays PLC595,329$167.5M0.07%−11,031−1.8%Reduced
Allianz Asset Management GmbH595,328$167.5M0.26%−58,730−9.0%Reduced
Burgundy Asset Management Ltd.579,449$163.0M1.61%+14,798+2.6%Added
Chilton Investment Co LLC579,305$163.0M4.27%+2,293+0.4%Added
Artisan Partners Limited Partnership559,010$157.3M0.24%−153,335−21.5%Reduced
Bank Julius Baer & Co. Ltd, Zurich487,631$155.5M0.52%−23,115−4.5%Reduced
UBS Group AG549,325$154.6M0.04%+52,784+10.6%Added
Zacks Investment Management542,525$152.7M1.32%+50,771+10.3%Added
Franklin Resources Inc523,324$151.6M0.04%+7,368+1.4%Added
Mercer Global Advisors Inc519,337$148.7M0.35%+856+0.2%Added
Global Retirement Partners, LLC509,520$143.4M4.33%+600+0.1%Added
Sumitomo Mitsui Trust Holdings, Inc.489,786$137.8M0.10%+9,223+1.9%Added
Fort Pitt Capital Group, LLC489,254$137.7M3.87%−7,244−1.5%Reduced
Amundi447,615$131.2M0.05%+25,968+6.2%Added
Congress Asset Management Co451,131$126.9M0.87%+6,632+1.5%Added
National Pension Service449,970$126.6M0.12%+41,511+10.2%Added
Lord, Abbett & Co. LLC437,015$123.0M0.39%−6,376−1.4%Reduced
Fenimore Asset Management Inc407,308$114.6M2.31%−4,500−1.1%Reduced
Regions Financial Corp402,668$113.3M0.82%−7,447−1.8%Reduced
Rhumbline Advisers401,051$112.8M0.10%−28,439−6.6%Reduced
Close Asset Management Ltd392,644$110.5M3.40%+27,104+7.4%Added
Deutsche Bank AG388,891$109.4M0.04%−113,475−22.6%Reduced
Price T Rowe Associates Inc380,148$107.0M0.01%−60,589−13.7%Reduced
Wells Fargo & Company365,317$102.8M0.02%−27,332−7.0%Reduced
Raymond James & Associates360,527$101.4M0.06%+1,597+0.4%Added
Champlain Investment Partners, LLC355,285$100.0M0.60%−253,855−41.7%Reduced
Aviva PLC354,020$99.6M0.26%+25,331+7.7%Added
Natixis Advisors, L.P.351,953$99.0M0.19%+5,291+1.5%Added
Ci Investments Inc.336,128$94.6M0.36%−17,643−5.0%Reduced
Axiom Investors LLC325,289$91.5M0.80%+99,937+44.3%Added
Nomura Asset Management Co Ltd323,880$91.1M0.28%+262,987+431.9%Added
California State Teachers Retirement System320,242$90.1M0.11%−3,451−1.1%Reduced
Citigroup Inc305,002$85.8M0.08%+153,884+101.8%Added
Welch & Forbes LLC302,758$85.2M1.08%−2,994−1.0%Reduced
Mitsubishi UFJ Trust & Banking Corp301,020$84.7M0.19%−15,928−5.0%Reduced
Kornitzer Capital Management Inc290,058$81.6M1.51%−12,168−4.0%Reduced
Westwood Holdings Group Inc.289,651$81.5M0.34%−23,155−7.4%Reduced
Nissay Asset Management Corp275,479$77.5M0.49%−9,611−3.4%Reduced
Woodley Farra Manion Portfolio Management Inc274,717$77.3M3.89%−184−0.1%Reduced
Capital Research Global Investors262,054$73.7M0.02%−29,297−10.1%Reduced
Bank of Montreal252,568$70.6M0.03%−73,991−22.7%Reduced
King Luther Capital Management Corp245,941$69.2M0.30%−370.0%Reduced
Alliancebernstein L.P.245,404$69.0M0.02%−2,478−1.0%Reduced
Comerica Bank242,268$68.2M0.27%−4,217−1.7%Reduced
Welch Group, LLC235,046$66.1M2.87%−3,593−1.5%Reduced
BNP Paribas Arbitrage, SA230,645$64.9M0.06%+5,707+2.5%Added
Westfield Capital Management Co LP229,225$64.5M0.29%−27,014−10.5%Reduced
Great West Life Assurance Co228,897$64.5M0.11%+7,337+3.3%Added
Employees Retirement System of Texas223,000$62.7M0.54%00.0%Unchanged
Capital Group Private Client Services, Inc.213,329$60.0M0.57%−7,653−3.5%Reduced
Premier Fund Managers Ltd200,000$55.9M1.98%00.0%Unchanged
KBC Group NV198,368$55.8M0.17%+53,106+36.6%Added
State Board of Administration of Florida Retirement System197,054$55.4M0.11%+233+0.1%Added
Mountain Pacific Investment Advisers Inc192,457$54.2M3.70%−1,310−0.7%Reduced