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Livermore
ZHEN

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, Q3 2025

Institutional positions in Arthur J. Gallagher & Co. as of Sep 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
1,341
−21 vs. Q2 2025
Shares held
225.4M
+2.22M (+1.0%) vs. Q2 2025
Total value
$69.7B
−$1.65B (−2.3%) vs. Q2 2025
New holders
115
511 more added
Sold out
136
487 more reduced

17 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,341 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 heldQ3 2025: $69.7B
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 20251,341$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, Q3 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2025.

Institutions holding AJG in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
PAX Financial Group, LLC2,729$845.4K0.15%+1,019+59.6%Added
Woodward Diversified Capital, LLC2,709$839.1K0.39%−22−0.8%Reduced
VestGen Advisors, LLC2,670$827.0K0.03%−358−11.8%Reduced
Burney Co2,660$823.9K0.03%00.0%Unchanged
Aventura Private Wealth, LLC2,655$822.5K0.30%−139−5.0%Reduced
Mission Wealth Management, LP2,629$814.3K0.02%+996+61.0%Added
Dynasty Wealth Management, LLC2,628$814.1K0.01%+63+2.5%Added
Linscomb & Williams, Inc.2,623$812.4K0.03%+8+0.3%Added
Paragon Private Wealth Management, LLC2,619$811.1K0.27%+904+52.7%Added
Dorsey & Whitney Trust CO LLC2,609$808.1K0.04%−14−0.5%Reduced
NorthCrest Asset Manangement, LLC2,605$807.0K0.02%+8+0.3%Added
Csenge Advisory Group2,603$806.2K0.04%+88+3.5%Added
Accurate Wealth Management, LLC2,642$802.0K0.11%+116+4.6%Added
Syon Capital LLC2,565$794.6K0.04%+139+5.7%Added
Generali Asset Management SPA SGR2,565$794.5K0.02%−7−0.3%Reduced
Forum Financial Management, LP2,545$788.3K0.01%+182+7.7%Added
Simplex Trading, LLC2,518$779.0K0.02%+2,518New
Scratch Capital LLC2,501$774.7K0.51%+2,501New
Sanibel Captiva Trust Company, Inc.2,500$774.4K0.02%−10.0%Reduced
Ninety One North America, Inc.2,497$773.4K0.04%−831−25.0%Reduced
Okabena Investment Services Inc2,497$773.4K0.15%+3+0.1%Added
Tower Research Capital LLC (TRC)2,496$773.1K0.02%−16,012−86.5%Reduced
Cigna Investments Inc2,491$771.0K0.11%−40−1.6%Reduced
Catalina Capital Group, LLC2,435$754.2K0.47%00.0%Unchanged
Hartford Funds Management Co LLC2,431$753.4K0.06%+2,431New
Sumitomo Life Insurance Co2,403$744.3K0.02%−90−3.6%Reduced
Sawgrass Asset Management LLC2,378$736.6K0.09%−201−7.8%Reduced
Anchor Investment Management, LLC2,377$736.2K0.06%00.0%Unchanged
AlTi Global, Inc.2,362$731.6K0.02%+2,362New
Axq Capital, LP2,358$730.4K0.28%+2,358New
Mather Group, LLC.2,353$728.9K0.01%+6+0.3%Added
Full Sail Capital, LLC2,350$727.9K0.04%−281−10.7%Reduced
Ameritas Investment Partners, Inc.2,337$723.9K0.02%−80−3.3%Reduced
Choate Investment Advisors2,332$722.3K0.01%+6+0.3%Added
Live Oak Private Wealth LLC2,323$719.5K0.10%−31−1.3%Reduced
Cynosure Management, LLC2,323$719.5K0.08%00.0%Unchanged
Foundation Wealth Management, LLC2,320$718.6K0.28%−66−2.8%Reduced
My Personal CFO, LLC2,320$718.6K0.28%+2,320New
Checchi Capital Advisers, LLC2,317$717.7K0.05%−191−7.6%Reduced
SCS Capital Management LLC2,314$716.9K0.01%+17+0.7%Added
Montag A & Associates Inc2,300$712.4K0.03%00.0%Unchanged
Phocas Financial Corp.2,300$712.4K0.09%00.0%Unchanged
Bank of New Hampshire2,300$712.4K0.16%00.0%Unchanged
Vise Technologies, Inc.2,299$712.0K0.03%−583−20.2%Reduced
Bokf, NA2,288$708.7K0.01%−1,707−42.7%Reduced
Jump Financial, LLC2,277$705.3K0.01%−6,549−74.2%Reduced
Stock Yards Bank & Trust Co2,275$704.7K0.02%00.0%Unchanged
Country Club Bank2,277$696.1K0.04%00.0%Unchanged
Ballentine Partners, LLC2,216$686.4K0.01%+456+25.9%Added
Huntington National Bank2,200$681.4K0.00%+205+10.3%Added
Hartline Investment Corp2,190$678.3K0.07%−10−0.5%Reduced
Clifford Group, LLC2,171$672.3K0.52%−36−1.6%Reduced
Ingalls & Snyder LLC2,160$669.0K0.02%−150−6.5%Reduced
Tiaa Trust, National Association2,142$663.5K0.00%−83−3.7%Reduced
Garde Capital, Inc.2,139$662.5K0.03%00.0%Unchanged
Johnson Investment Counsel Inc2,130$659.8K0.01%+265+14.2%Added
Smithfield Trust Co2,123$655.0K0.03%00.0%Unchanged
Colonial Trust Advisors2,110$653.6K0.05%00.0%Unchanged
Pathway Financial Advisors LLC2,100$650.5K0.09%00.0%Unchanged
Aster Capital Management (DIFC) Ltd2,093$648.3K0.33%−11,797−84.9%Reduced
Lantz Financial LLC2,088$646.7K0.14%+135+6.9%Added
Cary Street Partner Investment Advisory LLC2,078$643.7K0.27%+49+2.4%Added
Fosun International Ltd2,075$642.7K0.24%00.0%Unchanged
Banque Cantonale Vaudoise2,074$642.0K0.02%−1,935−48.3%Reduced
OneAscent Financial Services LLC2,070$641.1K0.04%−126−5.7%Reduced
Personal Cfo Solutions, LLC2,069$640.7K0.11%−31−1.5%Reduced
Mission Creek Capital Partners, Inc.2,065$639.6K0.13%−175−7.8%Reduced
Quotient Wealth Partners, LLC2,064$639.4K0.02%+370+21.8%Added
Patron Partners Advisors, LLC2,057$637.1K0.29%+67+3.4%Added
Smartleaf Asset Management LLC2,082$636.5K0.04%+488+30.6%Added
Vestor Capital, LLC2,045$633.0K0.04%−4,263−67.6%Reduced
Somerset Trust Co2,026$627.5K0.19%00.0%Unchanged
RiverGlades Family Offices LLC2,012$623.3K0.38%+71+3.7%Added
Private Trust Co NA2,004$620.7K0.05%−137−6.4%Reduced
Clarendon Private LLC2,001$619.9K0.56%−287−12.5%Reduced
Crawford Investment Counsel Inc1,980$613.3K0.01%−8−0.4%Reduced
Mutual Advisors, LLC2,158$609.6K0.01%+167+8.4%Added
Legacy Capital Wealth Partners, LLC1,964$608.4K0.13%+1+0.1%Added
Empirical Asset Management, LLC3,784$607.7K0.17%+1,485+64.6%Added
Horizon Kinetics Asset Management LLC1,957$606.2K0.01%00.0%Unchanged
Warren Averett Asset Management, LLC1,956$605.9K0.01%−78−3.8%Reduced
Fukoku Mutual Life Insurance Co1,942$601.5K0.04%00.0%Unchanged
EagleClaw Capital Managment, LLC1,940$600.9K0.08%+1,940New
Dana Investment Advisors, Inc.1,937$600.0K0.02%−1,271−39.6%Reduced
Caldwell Trust Co1,935$599.3K0.06%−63−3.2%Reduced
Fidelis Capital Partners, LLC1,923$595.6K0.05%+53+2.8%Added
Steel Peak Wealth Management LLC1,913$592.4K0.02%+1+0.1%Added
Balboa Wealth Partners1,901$588.7K0.10%−163−7.9%Reduced
Banco Santander, S.A.1,895$587.0K0.01%+283+17.6%Added
Northside Capital Management, LLC1,891$585.7K0.05%00.0%Unchanged
Harbor Investment Advisory, LLC1,883$583.2K0.05%−5−0.3%Reduced
Avantax Planning Partners, Inc.1,876$581.0K0.02%−838−30.9%Reduced
Wolff Wiese Magana LLC1,871$579.5K0.33%+46+2.5%Added
Simmons Bank1,855$574.6K0.04%+94+5.3%Added
Allen Capital Group, LLC1,848$572.4K0.05%−30−1.6%Reduced
Capstone Investment Advisors, LLC1,844$571.2K0.00%−55,330−96.8%Reduced
Howard Capital Management Inc.1,816$562.4K0.01%+33+1.9%Added
Archford Capital Strategies, LLC1,815$562.2K0.07%−38−2.1%Reduced
Pitcairn Co1,806$559.4K0.04%−758−29.6%Reduced
Livforsakringsbolaget Skandia, Omsesidigt1,806$559.4K0.02%00.0%Unchanged