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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, Q4 2025

Institutional positions in Arthur J. Gallagher & Co. as of Dec 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
1,299
−14 vs. Q3 2025
Shares held
234.2M
+9.18M (+4.1%) vs. Q3 2025
Total value
$60.6B
−$9.03B (−13.0%) vs. Q3 2025
New holders
159
393 more added
Sold out
173
566 more reduced

28 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,299 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 heldQ4 2025: $60.6B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2025.

Institutions holding AJG in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Hamilton Capital Partners Inc.2,639$682.9K0.03%+979+59.0%Added
Profund Advisors LLC2,673$691.7K0.02%−836−23.8%Reduced
BTG Pactual Asset Management US LLC2,674$692.0K0.08%−770−22.4%Reduced
Fifth Third Wealth Advisors LLC2,731$706.8K0.02%−297−9.8%Reduced
Ronald Blue Trust, Inc.2,741$709.4K0.01%−319−10.4%Reduced
Scotia Capital Inc.2,758$713.4K0.00%−301−9.8%Reduced
Park National Corp2,763$715.0K0.02%00.0%Unchanged
Trust Asset Management LLC2,767$716.1K0.05%−98−3.4%Reduced
Forum Financial Management, LP2,785$720.7K0.01%+240+9.4%Added
TritonPoint Partners, LLC2,786$721.0K0.38%+2,786New
EverSource Wealth Advisors, LLC2,795$723.3K0.03%−676−19.5%Reduced
Clifford Swan Investment Counsel LLC2,799$724.4K0.02%00.0%Unchanged
Greenleaf Trust2,812$727.7K0.01%−651−18.8%Reduced
Accurate Wealth Management, LLC2,751$728.0K0.09%+109+4.1%Added
EagleClaw Capital Managment, LLC2,820$729.8K0.11%+880+45.4%Added
Woodward Diversified Capital, LLC2,822$730.3K0.33%+113+4.2%Added
Adviser Investments LLC2,837$734.3K0.01%+4+0.1%Added
Webster Bank, N. A.2,850$737.6K0.07%00.0%Unchanged
Haverford Trust Co2,871$743.0K0.01%−358−11.1%Reduced
Empower Advisory Group, LLC2,881$745.6K0.00%−2,815−49.4%Reduced
PAX Financial Group, LLC2,882$745.9K0.13%+153+5.6%Added
Hartford Funds Management Co LLC2,897$750.0K0.06%+466+19.2%Added
Heartland Bank & Trust Co2,905$751.8K0.32%−56−1.9%Reduced
Chico Wealth RIA2,906$752.0K0.49%+117+4.2%Added
Aigen Investment Management, LP2,933$759.0K0.18%+2,933New
Occidental Asset Management, LLC2,960$766.0K0.09%+32+1.1%Added
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors2,999$776.2K0.09%+255+9.3%Added
Cresset Asset Management, LLC3,003$777.1K0.00%+121+4.2%Added
Asempa Wealth Advisors3,026$783.2K0.67%+3,026New
BankPlus Wealth Management LLC3,046$788.5K0.44%−116−3.7%Reduced
Stephens Inc3,047$788.5K0.01%−2,540−45.5%Reduced
Midwest Trust Co3,063$792.7K0.01%−34−1.1%Reduced
Walleye Trading LLC3,094$800.7K0.01%−8,078−72.3%Reduced
Aprio Wealth Management, LLC3,114$805.9K0.05%+2,397+334.3%Added
Master's Wealth Management Inc.3,117$806.6K0.29%+185+6.3%Added
Prospector Partners LLC3,120$807.4K1.73%−41,844−93.1%Reduced
IFP Advisors, Inc3,121$807.7K0.02%−127−3.9%Reduced
Regal Investment Advisors LLC3,129$809.8K0.05%−15−0.5%Reduced
Freestone Grove Partners LP3,150$815.2K0.01%−107,661−97.2%Reduced
WBH Advisory Inc3,166$819.3K0.06%00.0%Unchanged
Gabelli Funds LLC3,216$832.3K0.01%−17,709−84.6%Reduced
EP Wealth Advisors, LLC3,219$833.1K0.00%+3,219New
Sunbelt Securities, Inc.3,222$833.9K0.06%−77−2.3%Reduced
Axxcess Wealth Management, LLC3,227$835.0K0.01%−1,383−30.0%Reduced
Wedmont Private Capital3,227$835.9K0.03%−392−10.8%Reduced
J.Safra Asset Management Corp3,231$836.2K0.04%+3,117+2,734.2%Added
Tred Avon Family Wealth, LLC3,237$837.7K0.27%+33+1.0%Added
Allen Investment Management LLC3,242$839.0K0.01%00.0%Unchanged
Virtue Capital Management, LLC3,286$841.2K0.13%−128,403−97.5%Reduced
Cynosure Management, LLC3,261$843.9K0.09%+938+40.4%Added
Ashton Thomas Private Wealth, LLC3,319$858.9K0.02%−367−10.0%Reduced
Englebert Financial Advisers, LLC3,364$870.6K1.00%+3,364New
StoneX Group Inc.3,364$871.0K0.04%+2,714+417.5%Added
World Equity Group, Inc.3,403$880.7K0.25%−78−2.2%Reduced
Guinness Atkinson Asset Management Inc3,366$885.7K0.42%−97−2.8%Reduced
Equitable Holdings, Inc.3,423$885.8K0.01%−336−8.9%Reduced
D.A. Davidson & Co.3,430$887.6K0.01%+500+17.1%Added
Wealth Enhancement Trust Services, Inc.3,474$899.0K0.11%+3,474New
Ticino Wealth3,480$900.6K0.33%+3,480New
Numerai GP LLC3,531$913.8K0.11%+3,531New
PFG Investments, LLC3,550$918.7K0.04%+3+0.1%Added
Marino, Stram & Associates LLC3,605$932.9K0.17%−141−3.8%Reduced
Parallel Advisors, LLC3,614$935.4K0.02%−564−13.5%Reduced
Citizens Financial Group Inc3,676$951.4K0.01%−282−7.1%Reduced
Evercore Wealth Management, LLC3,684$953.4K0.01%00.0%Unchanged
Prosperity Wealth Management, Inc.3,687$954.2K0.32%+2,524+217.0%Added
Ellis Investment Partners, LLC3,711$960.5K0.17%−331−8.2%Reduced
Essex Investment Management Co LLC3,746$969.4K0.15%−141−3.6%Reduced
Connecticut Wealth Management, LLC3,759$972.8K0.04%00.0%Unchanged
Advisor OS, LLC3,791$981.2K0.08%−345−8.3%Reduced
Fiduciary Alliance LLC3,827$990.4K0.06%−10.0%Reduced
TFR Capital, LLC.3,836$992.7K0.33%+317+9.0%Added
Advisory Alpha, LLC3,837$993.2K0.03%+517+15.6%Added
Pinnacle Associates Ltd3,846$995.2K0.01%−76−1.9%Reduced
Tema ETFs LLC3,850$996.3K0.08%−8−0.2%Reduced
DRW Securities, LLC3,902$1.01M0.08%−273−6.5%Reduced
GTS Securities LLC3,903$1.01M0.03%+2,574+193.7%Added
GAMMA Investing LLC3,959$1.02M0.05%−1,175−22.9%Reduced
SFM, LLC3,965$1.03M0.60%−583−12.8%Reduced
NewEdge Wealth, LLC3,980$1.03M0.01%−8,931−69.2%Reduced
Whittier Trust Co of Nevada Inc3,928$1.03M0.02%−2−0.1%Reduced
Wedbush Securities Inc3,992$1.03M0.03%−666−14.3%Reduced
Triangle Securities Wealth Management4,003$1.04M0.22%+772+23.9%Added
TCW Group Inc4,003$1.04M0.01%+4,003New
Inceptionr LLC4,005$1.04M0.29%+2,411+151.3%Added
Raiffeisen Bank International AG4,003$1.05M0.01%−173−4.1%Reduced
Argent Trust Co4,067$1.05M0.04%−190−4.5%Reduced
Jefferies Financial Group Inc.4,117$1.07M0.01%−7,083−63.2%Reduced
Advisory Services Network, LLC4,120$1.07M0.02%−460−10.0%Reduced
Penobscot Investment Management Company, Inc.4,135$1.07M0.08%−420−9.2%Reduced
Menard Financial Group LLC4,148$1.07M0.74%+58+1.4%Added
Quadrant Capital Group LLC4,148$1.07M0.03%−2,396−36.6%Reduced
HMS Capital Management, LLC4,151$1.07M0.44%−66−1.6%Reduced
Signaturefd, LLC4,170$1.08M0.02%−310−6.9%Reduced
St Germain D J Co Inc4,195$1.09M0.04%00.0%Unchanged
Lebenthal Global Advisors, LLC4,256$1.10M0.17%+245+6.1%Added
Guyasuta Investment Advisors Inc4,256$1.10M0.06%+1,456+52.0%Added
Harel Insurance Investments & Financial Services Ltd.4,287$1.11M0.01%−659−13.3%Reduced
Independent Advisor Alliance4,297$1.11M0.03%−134−3.0%Reduced
Trustmark National Bank Trust Department4,307$1.11M0.07%−1,014−19.1%Reduced