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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
Great West Life Assurance Co240,829$83.3M0.15%+10,323+4.5%Added
King Luther Capital Management Corp241,090$83.2M0.38%−3,864−1.6%Reduced
Westwood Holdings Group Inc.238,055$82.2M0.62%−44,628−15.8%Reduced
Ameriprise Financial Inc238,038$82.2M0.02%+34,014+16.7%Added
Nissay Asset Management Corp229,623$79.3M0.52%−11,361−4.7%Reduced
Russell Investments Group, Ltd.226,857$78.3M0.11%+47,181+26.3%Added
LPL Financial LLC225,382$77.8M0.03%+42,912+23.5%Added
Welch Group, LLC225,825$77.0M3.38%−8,385−3.6%Reduced
State Board of Administration of Florida Retirement System222,734$76.9M0.15%+9,650+4.5%Added
Employees Retirement System of Texas220,500$76.1M0.69%−2,500−1.1%Reduced
Eventide Asset Management, LLC209,149$72.2M1.44%+11,199+5.7%Added
GWM Advisors LLC206,676$71.4M0.42%+18,207+9.7%Added
Capital Group Private Client Services, Inc.202,691$70.0M0.68%−6,410−3.1%Reduced
Sands Capital Management, LLC202,631$70.0M0.24%+202,631New
Freestone Grove Partners LP193,296$66.7M0.69%−26,099−11.9%Reduced
Danske Bank A/S191,118$66.0M0.20%+17,012+9.8%Added
Old Republic International Corporation190,800$65.9M2.56%00.0%Unchanged
Gateway Investment Advisers LLC187,472$64.7M0.74%+475+0.3%Added
Mitsubishi UFJ Trust & Banking Corp187,415$64.7M0.17%−9,212−4.7%Reduced
National Bank of Canada185,433$64.0M0.08%+60,129+48.0%Added
Stifel Financial Corp185,244$64.0M0.07%−3,957−2.1%Reduced
Burkehill Global Management, LP185,000$63.9M4.75%−365,000−66.4%Reduced
New York State Common Retirement Fund182,795$63.1M0.09%+10,318+6.0%Added
Mountain Pacific Investment Advisers Inc181,271$62.6M4.65%−8,902−4.7%Reduced
Retirement Systems of Alabama179,527$62.0M0.24%−1,742−1.0%Reduced
New York State Teachers Retirement System179,161$61.9M0.14%+2,785+1.6%Added
MML Investors Services, LLC177,608$61.3M0.20%−9,690−5.2%Reduced
Zurich Insurance Group Ltd168,118$58.0M0.47%+168,118New
Neuberger Berman Group LLC164,396$56.8M0.05%+153,722+1,440.2%Added
Storebrand Asset Management AS160,197$55.3M0.18%+5,246+3.4%Added
T. Rowe Price Investment Management, Inc.156,633$54.1M0.04%+34,951+28.7%Added
British Columbia Investment Management Corp156,076$53.9M0.33%−13,492−8.0%Reduced
Royal London Asset Management Ltd154,185$53.2M0.13%+14,544+10.4%Added
Clark Capital Management Group, Inc.153,209$52.9M0.38%−2,128−1.4%Reduced
KBC Group NV153,063$52.8M0.16%−6,315−4.0%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund152,221$52.6M2.14%−29,319−16.2%Reduced
Blackstone Group Inc.150,000$51.8M0.23%00.0%Unchanged
Korea Investment CORP144,087$49.7M0.12%+17,037+13.4%Added
State of Wisconsin Investment Board142,155$49.1M0.13%+2,611+1.9%Added
Beacon Pointe Advisors, LLC140,401$48.5M0.55%+127+0.1%Added
Prudential Financial Inc137,164$47.4M0.07%+3,789+2.8%Added
AQR Capital Management LLC136,542$47.0M0.05%+11,165+8.9%Added
Capital International Inc135,520$46.8M0.57%+25,257+22.9%Added
Standard Life Aberdeen plc134,585$46.2M0.09%+72,804+117.8%Added
Chevy Chase Trust Holdings, Inc.133,448$46.1M0.15%+2,319+1.8%Added
Toronto Dominion Bank131,647$45.4M0.12%+41,839+46.6%Added
Mackenzie Financial Corp130,570$45.1M0.06%+4,982+4.0%Added
Fort Washington Investment Advisors Inc129,896$44.8M0.28%+5,386+4.3%Added
Schroder Investment Management Group130,940$44.6M0.05%−29,560−18.4%Reduced
Cullen/Frost Bankers, Inc.129,230$44.6M0.63%+10,942+9.3%Added
Premier Fund Managers Ltd130,051$44.3M1.66%−69,949−35.0%Reduced
Federation des caisses Desjardins du Quebec126,042$43.5M0.22%+25,029+24.8%Added
Anchor Capital Advisors LLC125,979$43.5M1.30%−6,546−4.9%Reduced
Campbell Newman Asset Management Inc125,491$43.3M3.68%−15,672−11.1%Reduced
Dearborn Partners LLC123,562$42.7M2.05%−19,804−13.8%Reduced
Benjamin Edwards Inc121,462$41.9M0.59%+19,159+18.7%Added
Assenagon Asset Management S.A.118,821$41.0M0.07%−318,643−72.8%Reduced
Sequoia Financial Advisors, LLC116,791$40.3M0.31%+36,113+44.8%Added
Pictet Asset Management Holding SA113,900$39.3M0.04%+5,311+4.9%Added
STRS Ohio113,000$39.0M0.16%00.0%Unchanged
Truist Financial Corp112,828$39.0M0.06%−22,718−16.8%Reduced
Treasurer of the State of North Carolina112,520$38.8M0.15%+3,800+3.5%Added
Captrust Financial Advisors112,114$38.7M0.10%+99,520+790.2%Added
Thomasville National Bank111,931$38.6M2.83%−7,109−6.0%Reduced
Macquarie Group Ltd110,936$38.3M0.05%−23,592−17.5%Reduced
Ferguson Wellman Capital Management, Inc110,086$38.0M0.74%−453−0.4%Reduced
Asset Management One Co.,Ltd.108,134$37.3M0.13%+10,216+10.4%Added
Victory Capital Management Inc107,812$37.2M0.04%+821+0.8%Added
Cornerstone Capital, Inc.105,142$36.3M3.91%−9,752−8.5%Reduced
Central Securities Corp105,000$36.3M3.45%00.0%Unchanged
DekaBank Deutsche Girozentrale103,265$35.4M0.07%−6,374−5.8%Reduced
Sonora Investment Management Group, LLC101,118$34.9M2.76%+193+0.2%Added
First Trust Advisors LP100,998$34.9M0.03%+36,003+55.4%Added
Resona Asset Management Co.,Ltd.100,388$34.6M0.20%+4,742+5.0%Added
Capital International Sarl98,382$34.0M0.77%−2,349−2.3%Reduced
Blair William & Co98,349$34.0M0.10%+5,850+6.3%Added
GuoLine Advisory Pte Ltd95,500$33.0M3.49%−19,900−17.2%Reduced
Dakota Wealth Management94,196$32.5M0.76%+3,583+4.0%Added
Cumberland Partners Ltd92,156$31.8M2.45%−821−0.9%Reduced
ASR Vermogensbeheer N.V.88,807$30.7M0.45%+88,807New
Calamos Advisors LLC88,636$30.6M0.14%+987+1.1%Added
Fisher Funds Management LTD86,988$30.0M0.73%00.0%Unchanged
Canada Pension Plan Investment Board86,536$29.9M0.03%+75,295+669.8%Added
KLP Kapitalforvaltning AS85,710$29.6M0.15%+2,900+3.5%Added
Teacher Retirement System of Texas85,376$29.5M0.12%+30,987+57.0%Added
Vaughan Nelson Investment Management, L.P.84,925$29.3M0.29%+72,530+585.2%Added
State of New Jersey Common Pension Fund D83,968$29.0M0.13%+2,941+3.6%Added
Rafferty Asset Management, LLC83,387$28.8M0.12%−4,650−5.3%Reduced
State of Tennessee, Treasury Department83,387$28.8M0.11%+27,680+49.7%Added
US Bancorp82,428$28.5M0.04%−8,087−8.9%Reduced
Lansforsakringar Fondforvaltning AB (publ)82,423$28.5M0.17%+1,489+1.8%Added
BNP Paribas82,347$28.4M1.18%+2,818+3.5%Added
Investment Management Corp of Ontario82,036$28.3M0.58%+82,036New
Prospector Partners LLC80,752$27.9M3.18%−387−0.5%Reduced
Mn Services Vermogensbeheer B.V.79,910$27.6M0.21%−5,000−5.9%Reduced
Baldwin Brothers Inc79,824$27.6M1.93%+155+0.2%Added
Tredje AP-fonden79,212$27.3M0.26%−4,847−5.8%Reduced
Van Hulzen Asset Management, LLC79,117$27.3M2.49%−18,922−19.3%Reduced
Caisse de Depot Et Placement du Quebec78,944$27.3M0.06%+62,758+387.7%Added
Philo Smith Capital Corp77,725$26.8M7.38%−20,000−20.5%Reduced