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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 2023

Institutional positions in Arthur J. Gallagher & Co. as of Mar 31, 2023. 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
951
+48 vs. Q4 2022
Shares held
232.1M
+51.3M (+28.4%) vs. Q4 2022
Total value
$34.7B
+$616.1M (+1.8%) vs. Q4 2022
New holders
117
381 more added
Sold out
69
304 more reduced

18 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 951 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 heldQ1 2023: $34.7B
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 20251,342$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, Q1 2023

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q4 2022.

Institutions holding AJG in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
TD Asset Management Inc539,910$103.3M0.12%+178,617+49.4%Added
Amundi531,836$103.9M0.06%+23,797+4.7%Added
Credit Suisse AG547,382$104.7M0.11%−15,553−2.8%Reduced
American Century Companies Inc548,979$104.9M0.08%+92,242+20.2%Added
Lord, Abbett & Co. LLC548,429$104.9M0.38%−69,869−11.3%Reduced
Global Retirement Partners, LLC512,166$107.1M5.69%+430+0.1%Added
Price T Rowe Associates Inc576,096$110.2M0.02%−73,446−11.3%Reduced
Sumitomo Mitsui Trust Holdings, Inc.591,031$113.1M0.08%−4,188−0.7%Reduced
Nuveen Asset Management, LLC614,132$117.5M0.04%−900.0%Reduced
Champlain Investment Partners, LLC647,150$123.8M0.78%−12,615−1.9%Reduced
Artisan Partners Limited Partnership658,085$125.9M0.21%+376,613+133.8%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main687,187$131.5M0.22%+58,760+9.4%Added
Guinness Asset Management LTD689,866$132.0M3.35%+67,756+10.9%Added
Beck Mack & Oliver LLC693,015$132.6M3.83%+6,103+0.9%Added
Dimensional Fund Advisors LP702,300$134.4M0.05%−86,822−11.0%Reduced
Axiom Investors LLC702,300$134.4M2.21%+85,700+13.9%Added
Adage Capital Partners GP, L.L.C.702,403$134.4M0.30%−322,000−31.4%Reduced
Mitsubishi UFJ Trust & Banking Corp707,468$135.3M0.33%−70,055−9.0%Reduced
Swiss National Bank836,800$160.1M0.11%−18,100−2.1%Reduced
Voya Investment Management LLC907,456$173.6M0.19%+25,873+2.9%Added
Bessemer Group Inc911,484$174.4M0.41%+5,793+0.6%Added
Bank of America Corp950,207$181.8M0.02%+205,021+27.5%Added
Goldman Sachs Group Inc993,415$190.1M0.05%+111,966+12.7%Added
Envestnet Asset Management Inc1,028,885$196.8M0.09%+72,269+7.6%Added
Mawer Investment Management Ltd.1,053,768$201.6M1.10%+79,414+8.2%Added
Burgundy Asset Management Ltd.1,116,243$213.5M2.64%+733+0.1%Added
UBS Asset Management Americas Inc1,142,200$218.5M0.11%−161,354−12.4%Reduced
California Public Employees Retirement System1,327,951$254.1M0.23%−68,862−4.9%Reduced
Legal & General Group Plc1,368,649$261.8M0.09%+8,471+0.6%Added
Findlay Park Partners LLP1,526,674$292.1M3.08%−99,535−6.1%Reduced
Bank of New York Mellon Corp1,774,694$339.5M0.07%−19,874−1.1%Reduced
Charles Schwab Investment Management Inc1,861,040$349.2M0.11%−12,490−0.7%Reduced
FIL Ltd1,827,447$349.6M0.40%+119,641+7.0%Added
Brown Brothers Harriman & Co1,971,312$377.1M3.16%−137,339−6.5%Reduced
Northern Trust Corp2,091,085$400.0M0.08%+6,321+0.3%Added
Capital World Investors2,126,630$406.8M0.08%+5,548+0.3%Added
Boston Partners2,181,433$418.7M0.58%+2,181,433New
Invesco Ltd.2,217,054$424.1M0.12%−297,890−11.8%Reduced
WCM Investment Management, LLC2,570,842$491.8M1.57%−118,044−4.4%Reduced
Wellington Management Group LLP2,660,001$508.9M0.10%−227,293−7.9%Reduced
Morgan Stanley2,945,814$563.6M0.06%+802,670+37.5%Added
Baillie Gifford & Co4,548,566$870.2M0.79%−1,018,706−18.3%Reduced
Geode Capital Management, LLC4,609,810$880.4M0.11%+74,974+1.7%Added
JPMorgan Chase & Co4,724,734$903.9M0.12%−923,926−16.4%Reduced
Massachusetts Financial Services Co5,449,508$1.04B0.36%+39,089+0.7%Added
Norges Bank8,380,515$1.60B0.35%+786,434+10.4%Added
State Street Corp8,678,131$1.66B0.09%−385,241−4.3%Reduced
FMR LLC9,428,586$1.80B0.16%−705,132−7.0%Reduced
Capital International Investors9,493,550$1.82B0.47%−268,373−2.7%Reduced
BlackRock Inc.16,645,839$3.18B0.09%−61,838−0.4%Reduced
Vanguard Group Inc25,410,756$4.86B0.12%−713,446−2.7%Reduced
Virginia Retirement Systems Et Al0$00.00%−281,277−100.0%Sold out
Liontrust Investment Partners LLP0$00.00%−145,000−100.0%Sold out
Jupiter Asset Management Ltd0$00.00%−80,453−100.0%Sold out
Bridgewater Associates, LP0$00.00%−76,134−100.0%Sold out
Squarepoint Ops LLC0$00.00%−62,264−100.0%Sold out
Newport Capital Group, LLC0$00.00%−59,329−100.0%Sold out
Marvin & Palmer Associates Inc0$00.00%−51,443−100.0%Sold out
Jackson Wealth Management, LLC0$00.00%−28,216−100.0%Sold out
Duality Advisers, LP0$00.00%−28,152−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−23,649−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−22,000−100.0%Sold out
Trexquant Investment LP0$00.00%−7,623−100.0%Sold out
Twinbeech Capital LP0$00.00%−7,535−100.0%Sold out
Atom Investors LP0$00.00%−6,302−100.0%Sold out
Allstate Corp0$00.00%−5,880−100.0%Sold out
Quantamental Technologies LLC0$00.00%−4,704−100.0%Sold out
Toews Corp0$00.00%−4,100−100.0%Sold out
FORA Capital, LLC0$00.00%−4,022−100.0%Sold out
Aigen Investment Management, LP0$00.00%−3,637−100.0%Sold out
Kula Investments, LLC0$00.00%−3,482−100.0%Sold out
Moreno Evelyn V0$00.00%−3,350−100.0%Sold out
Machina Capital S.A.S.0$00.00%−2,662−100.0%Sold out
Petrus Trust Company, LTA0$00.00%−2,540−100.0%Sold out
World Equity Group, Inc.0$00.00%−2,520−100.0%Sold out
Axq Capital, LP0$00.00%−2,500−100.0%Sold out
Okabena Investment Services Inc0$00.00%−2,494−100.0%Sold out
Oak Thistle LLC0$00.00%−1,826−100.0%Sold out
InTrack Investment Management Inc0$00.00%−1,575−100.0%Sold out
Kingsview Wealth Management, LLC0$00.00%−1,541−100.0%Sold out
RFP Financial Group LLC0$00.00%−1,400−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−1,343−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−1,182−100.0%Sold out
NorthCrest Asset Manangement, LLC0$00.00%−1,149−100.0%Sold out
Grant Street Asset Management, Inc.0$00.00%−1,146−100.0%Sold out
Wolverine Trading, LLC0$00.00%−1,133−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−1,133−100.0%Sold out
First Citizens Bank & Trust Co0$00.00%−1,069−100.0%Sold out
Nicholas Company, Inc.0$00.00%−1,000−100.0%Sold out
Money Concepts Capital Corp0$00.00%−744−100.0%Sold out
State of Wyoming0$00.00%−728−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−616−100.0%Sold out
DuPont Capital Management Corp0$00.00%−524−100.0%Sold out
Johnson Financial Group, Inc.0$00.00%−432−100.0%Sold out
Canada Pension Plan Investment Board0$00.00%−400−100.0%Sold out
Zullo Investment Group, Inc.0$00.00%−328−100.0%Sold out
Madden Securities Corp0$00.00%−300−100.0%Sold out
Orion Capital Management LLC0$00.00%−283−100.0%Sold out
Aua Capital Management, LLC0$00.00%−241−100.0%Sold out
Country Trust Bank0$00.00%−225−100.0%Sold out