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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, Q2 2025

Institutional positions in Arthur J. Gallagher & Co. as of Jun 30, 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
1,380
+36 vs. Q1 2025
Shares held
228.1M
−322.6K (−0.1%) vs. Q1 2025
Total value
$72.9B
−$5.88B (−7.5%) vs. Q1 2025
New holders
140
564 more added
Sold out
104
475 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 1,380 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 heldQ2 2025: $72.9B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2025.

Institutions holding AJG in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Westwood Holdings Group Inc.236,565$75.7M0.55%−1,490−0.6%Reduced
Russell Investments Group, Ltd.234,681$75.1M0.10%+7,824+3.4%Added
Danske Bank A/S231,342$74.1M0.18%+40,224+21.0%Added
State Board of Administration of Florida Retirement System228,964$73.3M0.13%+6,230+2.8%Added
Healthcare of Ontario Pension Plan Trust Fund226,803$72.6M0.15%+189,770+512.4%Added
Bank of Montreal225,323$72.1M0.04%−22,095−8.9%Reduced
Welch Group, LLC224,038$71.7M3.00%−1,787−0.8%Reduced
King Luther Capital Management Corp222,772$71.3M0.31%−18,318−7.6%Reduced
Ameriprise Financial Inc221,319$70.6M0.02%−16,719−7.0%Reduced
Stifel Financial Corp215,775$69.1M0.07%+30,531+16.5%Added
Freestone Grove Partners LP215,065$68.8M0.52%+21,769+11.3%Added
Employees Retirement System of Texas214,600$68.7M0.56%−5,900−2.7%Reduced
Eventide Asset Management, LLC210,571$67.4M1.18%+1,422+0.7%Added
GWM Advisors LLC209,308$67.0M0.35%+2,632+1.3%Added
Capital Group Private Client Services, Inc.198,484$63.5M0.55%−4,207−2.1%Reduced
Axiom Investors LLC197,748$63.3M0.52%−583,479−74.7%Reduced
National Bank of Canada197,576$63.2M0.07%+12,143+6.5%Added
Old Republic International Corporation190,800$61.1M2.39%00.0%Unchanged
Gateway Investment Advisers LLC183,472$58.7M0.64%−4,000−2.1%Reduced
MML Investors Services, LLC182,774$58.5M0.17%+5,166+2.9%Added
Retirement Systems of Alabama177,643$56.9M0.20%−1,884−1.0%Reduced
New York State Teachers Retirement System176,652$56.5M0.12%−2,509−1.4%Reduced
Mountain Pacific Investment Advisers Inc175,977$56.3M4.09%−5,294−2.9%Reduced
Mitsubishi UFJ Trust & Banking Corp175,820$56.3M0.13%−11,595−6.2%Reduced
Capital International Inc173,805$55.6M0.54%+38,285+28.3%Added
Storebrand Asset Management AS167,515$53.6M0.16%+7,318+4.6%Added
Susquehanna International Group, LLP162,674$52.1M0.08%+141,807+679.6%Added
First Trust Advisors LP160,687$51.4M0.04%+59,689+59.1%Added
Prudential Financial Inc158,467$50.7M0.07%+21,303+15.5%Added
Clark Capital Management Group, Inc.155,303$49.7M0.34%+2,094+1.4%Added
Royal London Asset Management Ltd152,170$48.7M0.11%−2,015−1.3%Reduced
British Columbia Investment Management Corp148,538$47.5M0.28%−7,538−4.8%Reduced
Marshall Wace, LLP147,138$47.1M0.06%−97,559−39.9%Reduced
KBC Group NV146,962$47.0M0.13%−6,101−4.0%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund146,105$46.8M1.81%−6,116−4.0%Reduced
State of Wisconsin Investment Board144,112$46.1M0.11%+1,957+1.4%Added
Korea Investment CORP141,675$45.4M0.10%−2,412−1.7%Reduced
Beacon Pointe Advisors, LLC140,121$44.9M0.47%−280−0.2%Reduced
Standard Life Aberdeen plc139,796$44.8M0.08%+5,211+3.9%Added
T. Rowe Price Investment Management, Inc.138,159$44.2M0.03%−18,474−11.8%Reduced
Toronto Dominion Bank136,496$43.7M0.09%+4,849+3.7%Added
Federation des caisses Desjardins du Quebec135,530$43.4M0.19%+9,488+7.5%Added
Chevy Chase Trust Holdings, Inc.135,370$43.3M0.13%+1,922+1.4%Added
AQR Capital Management LLC134,503$42.7M0.04%−2,039−1.5%Reduced
Fort Washington Investment Advisors Inc132,802$42.5M0.24%+2,906+2.2%Added
Premier Fund Managers Ltd130,544$41.5M1.51%+493+0.4%Added
Cullen/Frost Bankers, Inc.129,276$41.4M0.52%+460.0%Added
Moore Capital Management, LP128,432$41.1M0.82%+128,432New
Benjamin Edwards Inc125,455$40.2M0.51%+3,993+3.3%Added
Pictet Asset Management Holding SA125,099$40.0M0.04%+11,199+9.8%Added
Dearborn Partners LLC124,890$40.0M1.89%+1,328+1.1%Added
Anchor Capital Advisors LLC124,156$39.7M1.17%−1,823−1.4%Reduced
Close Asset Management Ltd122,695$39.3M1.15%−184,734−60.1%Reduced
Nissay Asset Management Corp122,416$39.2M0.23%−107,207−46.7%Reduced
Schroder Investment Management Group121,991$39.1M0.03%−8,949−6.8%Reduced
Sequoia Financial Advisors, LLC121,783$39.0M0.27%+4,992+4.3%Added
Campbell Newman Asset Management Inc120,880$38.7M3.08%−4,611−3.7%Reduced
Macquarie Group Ltd120,459$38.6M0.05%+9,523+8.6%Added
ASR Vermogensbeheer N.V.118,559$38.0M0.49%+29,752+33.5%Added
Treasurer of the State of North Carolina118,467$37.9M0.12%+5,947+5.3%Added
Blair William & Co116,969$37.4M0.10%+18,620+18.9%Added
Captrust Financial Advisors113,086$36.2M0.08%+972+0.9%Added
Ferguson Wellman Capital Management, Inc111,979$35.8M0.63%+1,893+1.7%Added
Asset Management One Co.,Ltd.111,964$35.8M0.11%+3,830+3.5%Added
Truist Financial Corp110,998$35.5M0.05%−1,830−1.6%Reduced
Mackenzie Financial Corp109,557$35.1M0.05%−21,013−16.1%Reduced
DekaBank Deutsche Girozentrale109,639$35.1M0.06%+6,374+6.2%Added
Lighthouse Investment Partners, LLC107,482$34.4M1.50%+33,161+44.6%Added
Thomasville National Bank107,222$34.3M2.34%−4,709−4.2%Reduced
Central Securities Corp105,000$33.6M2.97%00.0%Unchanged
Resona Asset Management Co.,Ltd.105,084$33.6M0.16%+4,696+4.7%Added
HRT Financial LP104,807$33.5M0.15%+104,807New
Public Employees Retirement System of Ohio103,434$33.1M0.11%+27,717+36.6%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.103,332$33.0M0.08%+52,995+105.3%Added
STRS Ohio102,334$32.8M0.12%−10,666−9.4%Reduced
Cornerstone Capital, Inc.100,186$32.1M3.35%−4,956−4.7%Reduced
Fortress Investment Group LLC100,000$32.0M4.53%+100,000New
Capital International Sarl99,357$31.8M0.61%+975+1.0%Added
Mn Services Vermogensbeheer B.V.95,610$30.6M0.21%+15,700+19.6%Added
Sonora Investment Management Group, LLC92,827$29.7M2.21%−8,291−8.2%Reduced
Swedbank AB91,942$29.4M0.03%+91,942New
KLP Kapitalforvaltning AS90,410$28.9M0.12%+4,700+5.5%Added
Chilton Capital Management LLC89,347$28.6M1.05%+89,347New
State of Tennessee, Treasury Department89,011$28.5M0.10%+5,624+6.7%Added
Calamos Advisors LLC88,636$28.4M0.12%00.0%Unchanged
The PNC Financial Services Group, Inc.87,146$27.9M0.02%+18,733+27.4%Added
State of New Jersey Common Pension Fund D85,749$27.4M0.11%+1,781+2.1%Added
Rafferty Asset Management, LLC85,149$27.3M0.09%+1,762+2.1%Added
Victory Capital Management Inc84,601$27.1M0.02%−23,211−21.5%Reduced
Dakota Wealth Management84,309$27.0M0.57%−9,887−10.5%Reduced
ARS Investment Partners, LLC84,212$27.0M1.97%+881+1.1%Added
Cumberland Partners Ltd83,494$26.7M1.85%−8,662−9.4%Reduced
Van Hulzen Asset Management, LLC83,122$26.6M2.22%+4,005+5.1%Added
BNP Paribas83,025$26.5M0.86%+678+0.8%Added
US Bancorp82,573$26.4M0.03%+145+0.2%Added
Teacher Retirement System of Texas82,560$26.4M0.11%−2,816−3.3%Reduced
Investment Management Corp of Ontario81,236$26.0M0.38%−800−1.0%Reduced
Canada Pension Plan Investment Board79,669$25.5M0.02%−6,867−7.9%Reduced
Tredje AP-fonden79,212$25.4M0.20%00.0%Unchanged
Baldwin Brothers Inc78,717$25.2M1.71%−1,107−1.4%Reduced