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Arthur J. Gallagher & Co. (AJG) Institutional Ownership

Arthur J. Gallagher & Co. logo
$299.90 +3.16 (+1.06%)
Closing price 09/19/2025 03:59 PM Eastern
Extended Trading
$299.65 -0.25 (-0.08%)
As of 09/19/2025 05:27 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Arthur J. Gallagher & Co. (NYSE:AJG)

Current
Institutional Ownership
Percentage
85.53%
Number of
Institutional Buyers
(last 12 months)
976
Total
Institutional Inflows
(last 12 months)
$19.44B
Number of
Institutional Sellers
(last 12 months)
591
Total
Institutional Outflows
(last 12 months)
$4.89B
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AJG Institutional Buying and Selling by Quarter

Arthur J. Gallagher & Co. Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/12/2025 Valeo Financial Advisors LLC1,604$513K0.0%+3.1%0.001%
8/27/2025 Orion Porfolio Solutions LLC14,758$4.72M0.0%+14.8%0.006%
8/26/2025 Thrivent Financial for Lutherans48,950$15.66M0.0%-12.9%0.019%
8/25/2025 Promus Capital LLC3,696$1.18M0.8%+23.9%0.001%
8/20/2025 Kentucky Retirement Systems15,752$5.04M0.1%-6.2%0.006%
8/20/2025 Kentucky Retirement Systems Insurance Trust Fund6,686$2.14M0.1%-6.5%0.003%
8/20/2025 Coppell Advisory Solutions LLC5,361$1.70M0.2%-5.4%0.002%
8/19/2025 B. Riley Wealth Advisors Inc.3,622$1.16M0.1%N/A0.001%
8/19/2025 Advisory Services Network LLC8,399$2.69M0.0%+3.4%0.003%
8/19/2025 Pitcairn Co.2,564$821K0.1%+20.7%0.001%
8/18/2025 Hudson Bay Capital Management LP38,482$12.32M0.0%+9.9%0.015%
8/18/2025 Old North State Trust LLC9,295$2.98M2.0%-3.2%0.004%
8/18/2025 Geneos Wealth Management Inc.54,525$17.45M0.4%+29.3%0.021%
8/18/2025 Westwood Holdings Group Inc.236,565$75.73M0.6%-0.6%0.092%
8/18/2025 CYBER HORNET ETFs LLC568$182K0.1%N/A0.000%
8/18/2025 National Bank of Canada FI197,576$63.25M0.1%+6.5%0.077%
8/16/2025 Public Sector Pension Investment Board52,667$16.86M0.1%-22.6%0.021%
8/15/2025 CANADA LIFE ASSURANCE Co262,869$84.24M0.1%+9.2%0.103%
8/15/2025 44 Wealth Management LLC878$281K0.1%-57.8%0.000%
8/15/2025 Tower Research Capital LLC TRC 18,508$5.93M0.2%+143.4%0.007%
8/15/2025 MUFG Securities EMEA plc757$242K0.0%N/A0.000%
8/15/2025 Resources Management Corp CT ADV329$105K0.0%-36.2%0.000%
8/15/2025 Rakuten Securities Inc.105$34K0.0%+650.0%0.000%
8/15/2025 Corient Private Wealth LLC65,216$20.86M0.0%-12.6%0.025%
8/15/2025 E Fund Management Co. Ltd.654$209K0.0%-18.6%0.000%
8/15/2025 Keel Point LLC1,464$469K0.0%-11.8%0.001%
8/15/2025 Vident Advisory LLC50,139$16.05M0.2%+583.8%0.020%
8/15/2025 Voleon Capital Management LP1,970$631K0.0%N/A0.001%
8/15/2025 Voya Financial Advisors Inc.771$245K0.0%-5.0%0.000%
8/15/2025 Two Sigma Securities LLC15,330$4.91M0.6%N/A0.006%
8/15/2025 Tidal Investments LLC7,730$2.48M0.0%-31.7%0.003%
8/15/2025 Smartleaf Asset Management LLC1,594$506K0.0%-21.4%0.001%
8/15/2025 Snowden Capital Advisors LLC3,152$1.01M0.0%-18.7%0.001%
8/15/2025 Royal London Asset Management Ltd.152,170$48.71M0.1%-1.3%0.059%
8/15/2025 Rafferty Asset Management LLC85,149$27.26M0.1%+2.1%0.033%
8/15/2025 Orion Porfolio Solutions LLC14,758$4.72M0.0%+14.8%0.006%
8/15/2025 MML Investors Services LLC182,774$58.51M0.2%+2.9%0.071%
8/15/2025 Moore Capital Management LP128,432$41.11M0.5%N/A0.050%
8/15/2025 Man Group plc44,992$14.40M0.0%-3.3%0.018%
8/15/2025 Meiji Yasuda Asset Management Co Ltd.4,312$1.38M0.1%-38.6%0.002%
8/15/2025 Mission Creek Capital Partners Inc.2,240$717K0.1%-25.8%0.001%
8/15/2025 HRT Financial LP104,807$33.55M0.1%N/A0.041%
8/15/2025 Hudson Bay Capital Management LP38,482$12.32M0.0%+9.9%0.015%
8/15/2025 ICONIQ Capital LLC1,466$469K0.0%+6.7%0.001%
8/15/2025 Fortress Investment Group LLC100,000$32.01M4.5%N/A0.039%
8/15/2025 George Kaiser Family Foundation1,291$413K0.1%+43.6%0.001%
8/15/2025 Great Valley Advisor Group Inc.2,433$778K0.0%-15.6%0.001%
8/15/2025 EP Wealth Advisors LLC6,369$2.04M0.0%+207.5%0.002%
8/15/2025 Eventide Asset Management LLC210,571$67.38M1.2%+0.7%0.082%
8/15/2025 Engineers Gate Manager LP20,156$6.45M0.1%N/A0.008%
8/15/2025 Eschler Asset Management LLP2,713$868K0.6%N/A0.001%
8/15/2025 Curi Capital LLC4,746$1.52M0.0%N/A0.002%
8/15/2025 Beck Mack & Oliver LLC701,443$224.55M4.3%-10.4%0.274%
8/15/2025 Benjamin Edwards Inc.125,455$40.16M0.5%+3.3%0.049%
8/15/2025 BNP Paribas Financial Markets362,333$115.99M0.1%+3.1%0.141%
8/15/2025 Boothbay Fund Management LLC1,344$430K0.0%-87.0%0.001%
8/15/2025 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp148,538$47.55M0.3%-4.8%0.058%
8/15/2025 BTG Pactual Asset Management US LLC7,424$2.38M0.3%N/A0.003%
8/15/2025 Brevan Howard Capital Management LP51,969$16.64M0.1%N/A0.020%
8/15/2025 Balyasny Asset Management L.P.770,394$246.62M0.4%+41,475.5%0.300%
8/15/2025 Adage Capital Partners GP L.L.C.494,603$158.33M0.3%+72.3%0.193%
8/15/2025 Ameriprise Financial Inc.221,319$70.62M0.0%-7.0%0.086%
8/15/2025 AQR Capital Management LLC134,503$42.69M0.0%-1.5%0.052%
8/14/2025 CTC Alternative Strategies Ltd.3,360$1.08M0.9%N/A0.001%
8/14/2025 Challenger Wealth Management1,152$369K0.3%-8.1%0.000%
8/14/2025 Lighthouse Investment Partners LLC107,482$34.41M1.3%+44.6%0.042%
8/14/2025 11 Capital Partners LP68,464$21.92M6.9%+48.5%0.027%
8/14/2025 Viking Global Investors LP725,795$232.34M0.7%+8.9%0.283%
8/14/2025 California State Teachers Retirement System389,897$124.81M0.1%+11.0%0.152%
8/14/2025 Raymond James Financial Inc.581,582$186.18M0.1%+0.1%0.227%
8/14/2025 Transamerica Financial Advisors LLC15,125$4.84M0.5%-20.3%0.006%
8/14/2025 Canada Pension Plan Investment Board79,669$25.50M0.0%-7.9%0.031%
8/14/2025 Schear Investment Advisers LLC6,490$2.08M1.0%+10.4%0.003%
8/14/2025 Occudo Quantitative Strategies LP13,341$4.27M0.5%N/A0.005%
8/14/2025 Quantinno Capital Management LP77,023$24.66M0.1%+12.7%0.030%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.27,663$8.86M0.0%-28.0%0.011%
8/14/2025 DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main879,739$281.62M0.3%-26.2%0.343%
8/14/2025 Alliancebernstein L.P.1,126,093$360.49M0.1%-6.9%0.439%
8/14/2025 Armistice Capital LLC1,286$412K0.0%N/A0.001%
8/14/2025 Peapack Gladstone Financial Corp19,987$6.40M0.1%+2,919.2%0.008%
8/14/2025 Ieq Capital LLC20,929$6.70M0.0%-24.6%0.008%
8/14/2025 Osterweis Capital Management Inc.472$151K0.0%-6.9%0.000%
8/14/2025 Treasurer of the State of North Carolina118,467$37.92M0.1%+5.3%0.046%
8/14/2025 The Manufacturers Life Insurance Company 801,588$256.60M0.2%-9.4%0.313%
8/14/2025 CIBC Asset Management Inc64,383$20.61M0.1%+5.3%0.025%
8/14/2025 Sei Investments Co.384,822$123.19M0.1%-48.3%0.150%
8/14/2025 Dearborn Partners LLC124,890$39.98M1.9%+1.1%0.049%
8/14/2025 NewEdge Advisors LLC209,308$67.00M0.3%+1.3%0.082%
8/14/2025 Qube Research & Technologies Ltd10,711$3.43M0.0%N/A0.004%
8/14/2025 Investment Management Corp of Ontario81,236$26.01M0.4%-1.0%0.032%
8/14/2025 iSAM Funds UK Ltd11,473$3.67M0.8%N/A0.004%
8/14/2025 Lombard Odier Asset Management USA Corp9,565$3.06M0.2%+30.4%0.004%
8/14/2025 Lombard Odier Asset Management Switzerland SA10,019$3.21M0.2%-0.4%0.004%
8/14/2025 State Street Corp10,743,493$3.44B0.1%+1.1%4.190%
8/14/2025 Daiwa Securities Group Inc.54,984$17.60M0.1%+3.0%0.021%
8/14/2025 SVB Wealth LLC12,303$3.94M0.2%N/A0.005%
8/14/2025 L2 Asset Management LLC1,136$364K0.1%+5.7%0.000%
8/14/2025 Winslow Capital Management LLC828,466$265.21M0.9%+0.6%0.323%
8/14/2025 WINTON GROUP Ltd11,561$3.70M0.2%N/A0.005%
8/14/2025 Fosun International Ltd2,075$664K0.2%-35.8%0.001%
(Data available from 1/1/2016 forward)

AJG Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of AJG shares?

During the previous two years, 1,351 institutional investors and hedge funds held shares of Arthur J. Gallagher & Co.. The most heavily invested institutionals were Vanguard Group Inc. ($9.95B), JPMorgan Chase & Co. ($5.44B), State Street Corp ($3.44B), FMR LLC ($3.39B), Capital International Investors ($2.86B), Capital World Investors ($2.33B), and Geode Capital Management LLC ($1.88B).Learn more on Arthur J. Gallagher & Co.'s institutional investors.

What percentage of Arthur J. Gallagher & Co.'s stock is owned by institutional investors?

85.53% of Arthur J. Gallagher & Co.'s stock is owned by institutional investors. Learn more on AJG's institutional investor holdings.

Which institutional investors have been buying Arthur J. Gallagher & Co.'s stock?

Of the 1,170 institutional investors that purchased Arthur J. Gallagher & Co.'s stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Norges Bank ($15.63M), Vanguard Group Inc. ($5.28M), JPMorgan Chase & Co. ($4.91M), Capital World Investors ($3.19M), Winslow Capital Management LLC ($2.54M), Principal Financial Group Inc. ($2.43M), and Balyasny Asset Management L.P. ($2.09M).

How much institutional buying is happening at Arthur J. Gallagher & Co.?

Institutional investors have bought a total of 64,274,741 shares in the last 24 months. This purchase volume represents approximately $19.44B in transactions.

Which of Arthur J. Gallagher & Co.'s major shareholders have been selling company stock?

Of the 590 institutional investors that sold Arthur J. Gallagher & Co.'s stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Baillie Gifford & Co. ($1.45M), Geode Capital Management LLC ($713.86K), Brown Advisory Inc. ($670.84K), 1832 Asset Management L.P. ($623.25K), DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main ($617.99K), Woodline Partners LP ($552.11K), and Mercer Global Advisors Inc. ADV ($482.16K).

How much institutional selling is happening at Arthur J. Gallagher & Co.?

Institutional investors have sold a total of 15,743,112 shares in the last 24 months. This volume of shares sold represents approximately $4.89B in transactions.


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This page (NYSE:AJG) was last updated on 9/20/2025 by MarketBeat.com Staff
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