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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
Invesco, LLC1,779$460.4K0.15%+55+3.2%Added
Archford Capital Strategies, LLC1,806$467.4K0.05%−9−0.5%Reduced
Livforsakringsbolaget Skandia, Omsesidigt1,806$467.4K0.02%00.0%Unchanged
Oak Harbor Wealth Partners, LLC1,812$468.9K0.11%+228+14.4%Added
Howard Capital Management Inc.1,824$471.9K0.01%+8+0.4%Added
Fidelis Capital Partners, LLC1,830$473.6K0.03%−93−4.8%Reduced
Mission Creek Capital Partners, Inc.1,835$474.9K0.10%−230−11.1%Reduced
Cozad Asset Management Inc1,837$475.3K0.04%+250+15.8%Added
Legacy Capital Wealth Partners, LLC1,841$476.4K0.10%−123−6.3%Reduced
SRS Capital Advisors, Inc.1,854$479.8K0.01%−1,215−39.6%Reduced
Robertson Stephens Wealth Management, LLC1,857$480.6K0.01%+1,857New
NorthRock Partners, LLC1,872$484.5K0.01%−1,326−41.5%Reduced
Cary Street Partner Investment Advisory LLC1,873$484.7K0.13%−205−9.9%Reduced
Avantax Planning Partners, Inc.1,875$485.1K0.01%−1−0.1%Reduced
OneAscent Investment Solutions LLC1,889$488.9K0.52%−985−34.3%Reduced
Ninety One North America, Inc.1,891$489.4K0.02%−606−24.3%Reduced
Northside Capital Management, LLC1,891$489.4K0.04%00.0%Unchanged
Allen Capital Group, LLC1,895$490.4K0.05%+47+2.5%Added
VestGen Advisors, LLC1,910$494.3K0.02%−760−28.5%Reduced
Quotient Wealth Partners, LLC1,922$497.3K0.01%−142−6.9%Reduced
CSU Producer Resources, Inc.1,927$498.7K1.49%+1,927New
Horizon Kinetics Asset Management LLC1,953$505.4K0.01%−4−0.2%Reduced
Tiaa Trust, National Association1,954$505.7K0.00%−188−8.8%Reduced
Patron Partners Advisors, LLC1,975$511.2K0.23%−82−4.0%Reduced
Crawford Investment Counsel Inc1,980$512.4K0.01%00.0%Unchanged
Banco Santander, S.A.1,983$513.2K0.00%+88+4.6%Added
CX Institutional1,998$517.0K0.02%+216+12.1%Added
Bank of New Hampshire2,000$517.6K0.12%−300−13.0%Reduced
Bayban2,000$517.6K0.46%+2,000New
CenterBook Partners LP2,007$519.4K0.03%+448+28.7%Added
Erste Asset Management GmbH1,974$519.4K0.00%+383+24.1%Added
Johnson Investment Counsel Inc2,023$523.5K0.00%−107−5.0%Reduced
Sagespring Wealth Partners, LLC2,025$523.9K0.01%+226+12.6%Added
Somerset Trust Co2,026$524.3K0.16%00.0%Unchanged
Balboa Wealth Partners2,033$526.1K0.09%+132+6.9%Added
Allred Capital Management, LLC2,035$526.5K0.19%−1,188−36.9%Reduced
Vestor Capital, LLC3,679$529.0K0.04%+1,634+79.9%Added
Oak Ridge Investments LLC2,073$536.5K0.03%−1,881−47.6%Reduced
Checchi Capital Advisers, LLC2,074$536.7K0.04%−243−10.5%Reduced
Fosun International Ltd2,075$537.0K0.13%00.0%Unchanged
Lantz Financial LLC2,077$537.5K0.11%−11−0.5%Reduced
Carr Financial Group Corp2,104$544.5K0.15%+1,244+144.7%Added
Ingalls & Snyder LLC2,110$546.0K0.02%−50−2.3%Reduced
Colonial Trust Advisors2,110$546.0K0.04%00.0%Unchanged
Ellevest, Inc.2,117$547.9K0.08%+396+23.0%Added
NorthCrest Asset Manangement, LLC2,083$548.4K0.01%−522−20.0%Reduced
Zions Bancorporation, National Association2,121$548.9K0.03%+1,855+697.4%Added
Smithfield Trust Co2,123$549.0K0.02%00.0%Unchanged
Pathway Financial Advisors LLC2,100$551.8K0.07%00.0%Unchanged
Simmons Bank2,136$552.8K0.04%+281+15.1%Added
Garde Capital, Inc.2,139$553.6K0.03%00.0%Unchanged
Terra Nova Asset Management LLC2,149$556.1K0.37%−5,818−73.0%Reduced
Clifford Group, LLC2,156$557.9K0.43%−15−0.7%Reduced
Harbor Investment Advisory, LLC2,157$558.2K0.04%+274+14.6%Added
Shepherd Street Advisors LLC2,165$560.3K0.54%+2,165New
V-Square Quantitative Management LLC2,181$564.4K0.06%+2,181New
Smartleaf Asset Management LLC2,160$565.6K0.02%+78+3.7%Added
Hartline Investment Corp2,190$566.8K0.06%00.0%Unchanged
AlTi Global, Inc.2,207$571.1K0.01%−155−6.6%Reduced
Texas Capital Bank Wealth Management Services Inc2,221$574.8K0.03%+1,207+119.0%Added
Mutual Advisors, LLC2,227$576.3K0.01%+69+3.2%Added
Personal Cfo Solutions, LLC2,239$579.4K0.09%+170+8.2%Added
Kestra Private Wealth Services, LLC2,261$585.2K0.01%−569−20.1%Reduced
Catalytic Wealth RIA, LLC2,267$586.7K0.02%−2,800−55.3%Reduced
Foundation Wealth Management, LLC2,271$587.7K0.21%−49−2.1%Reduced
Leeward Financial Partners, LLC2,272$588.0K0.17%−5,522−70.8%Reduced
Fideuram Asset Management (Ireland) dac1,771$588.7K0.05%+1,771New
Generali Asset Management SPA SGR2,276$589.0K0.01%−289−11.3%Reduced
RFG - Bristol Wealth Advisors, LLC2,285$591.3K0.16%−1,165−33.8%Reduced
Paragon Private Wealth Management, LLC2,288$592.1K0.18%−331−12.6%Reduced
Ameritas Investment Partners, Inc.2,298$594.7K0.02%−39−1.7%Reduced
Montag A & Associates Inc2,300$595.2K0.03%00.0%Unchanged
Phocas Financial Corp.2,300$595.2K0.08%00.0%Unchanged
First National Bank of Omaha2,277$596.2K0.02%+2,277New
Sun Financial Inc2,306$596.8K0.33%+2,306New
Live Oak Private Wealth LLC2,323$601.2K0.08%00.0%Unchanged
Choate Investment Advisors2,336$604.5K0.01%+4+0.2%Added
SCS Capital Management LLC2,337$604.7K0.01%+23+1.0%Added
Aventura Private Wealth, LLC2,352$608.8K0.22%−303−11.4%Reduced
Huntington National Bank2,381$616.2K0.00%+181+8.2%Added
Roundview Capital LLC2,388$618.0K0.04%−2,988−55.6%Reduced
Monetary Management Group Inc2,400$621.1K0.14%+2,400New
Dynasty Wealth Management, LLC2,400$621.1K0.01%−228−8.7%Reduced
PCM Encore, LLC2,402$621.5K0.13%+2,402New
Mather Group, LLC.2,408$623.1K0.01%+55+2.3%Added
VARCOV Co.2,425$627.6K0.25%+2,425New
Sumitomo Life Insurance Co2,430$628.9K0.02%+27+1.1%Added
MJP Associates Inc2,431$629.2K0.08%−347−12.5%Reduced
Sanibel Captiva Trust Company, Inc.2,450$634.0K0.02%−50−2.0%Reduced
Caldwell Trust Co2,458$636.1K0.06%+523+27.0%Added
Mission Wealth Management, LP2,469$639.1K0.01%−160−6.1%Reduced
Atom Investors LP2,482$642.3K0.05%−6,118−71.1%Reduced
Cigna Investments Inc2,491$645.0K0.09%00.0%Unchanged
Okabena Investment Services Inc2,497$646.2K0.12%00.0%Unchanged
Dorsey & Whitney Trust CO LLC2,523$652.9K0.03%−86−3.3%Reduced
Private Advisory Group LLC2,566$664.1K0.05%−609−19.2%Reduced
Syon Capital LLC2,583$668.5K0.03%+18+0.7%Added
Stock Yards Bank & Trust Co2,588$669.7K0.02%+313+13.8%Added
Linscomb & Williams, Inc.2,617$677.3K0.03%−6−0.2%Reduced
Snowden Capital Advisors LLC2,639$682.9K0.02%−391−12.9%Reduced