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Livermore
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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 2024

Institutional positions in Arthur J. Gallagher & Co. as of Dec 31, 2024. 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
1,325
+140 vs. Q3 2024
Shares held
232.4M
+45.8M (+24.5%) vs. Q3 2024
Total value
$65.9B
+$13.5B (+25.7%) vs. Q3 2024
New holders
220
561 more added
Sold out
80
331 more reduced

18 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 1,325 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 2024: $65.9B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2024.

Institutions holding AJG in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Y.D. More Investments Ltd271$2110.00%+150+124.0%Added
Sittner & Nelson, LLC1$2840.00%+1New
Chesapeake Asset Management LLC2$5670.00%00.0%Unchanged
WestEnd Advisors, LLC2$5680.00%00.0%Unchanged
Concord Wealth Partners2$5680.00%00.0%Unchanged
Kohmann Bosshard Financial Services, LLC2$5680.00%+2New
Activest Wealth Management2$5680.00%+2New
Sound Income Strategies, LLC3$8520.00%−17−85.0%Reduced
Old Second National Bank of Aurora3$8520.00%+3New
Parkworth Wealth Management, Inc.3$8520.00%+3New
Redwood Park Advisors LLC3$8520.00%+3New
Wood Tarver Financial Group, LLC6$1.00K0.00%+6New
True Wealth Design, LLC4$1.04K0.00%+4New
Winnow Wealth LLC4$1.06K0.00%+4New
Carolina Wealth Advisors, LLC4$1.14K0.00%00.0%Unchanged
Coastline Trust Co4$1.14K0.00%+4New
Golden State Wealth Management, LLC4$1.14K0.00%+4New
Sugar Maple Asset Management, LLC4$1.14K0.00%+4New
BOK Financial Private Wealth, Inc.4$1.14K0.00%+4New
RE Dickinson Investment Advisors, LLC5$1.40K0.00%+5New
Horizon Financial Services, LLC5$1.42K0.00%00.0%Unchanged
Riggs Asset Managment Co. Inc.5$1.42K0.00%00.0%Unchanged
FPC Investment Advisory, Inc.5$1.51K0.00%00.0%Unchanged
Longfellow Investment Management Co LLC6$1.70K0.00%00.0%Unchanged
Bellevue Asset Management, LLC6$1.70K0.00%+6New
Principia Wealth Advisory, LLC6$1.70K0.00%+6New
TFC Financial Management6$1.70K0.00%00.0%Unchanged
Provenance Wealth Advisors, LLC7$1.99K0.00%00.0%Unchanged
Measured Risk Portfolios, Inc.7$1.99K0.00%+7New
HHM Wealth Advisors, LLC7$1.99K0.00%+7New
Orion Capital Management LLC7$1.99K0.00%+7New
Conquis Financial LLC7$1.99K0.00%+7New
Avalon Trust Co8$2.27K0.00%+8New
New Wave Wealth Advisors LLC8$2.27K0.00%+8New
Missouri Trust & Investment Co9$2.56K0.00%+9New
Mattson Financial Services, LLC10$2.81K0.00%−4,661−99.8%Reduced
Harvest Fund Management Co., Ltd10$3.00K0.00%+7+233.3%Added
Clark Wealth Partners11$3.12K0.00%+11New
WealthTrak Capital Management LLC11$3.12K0.00%+11New
C M Bidwell & Associates Ltd12$3.41K0.00%00.0%Unchanged
Eagle Bay Advisors LLC13$3.67K0.00%−6−31.6%Reduced
Tidemark, LLC13$3.69K0.00%+13New
Albion Financial Group13$3.69K0.00%00.0%Unchanged
Motco14$3.97K0.00%+14New
Salem Investment Counselors Inc15$4.26K0.00%−10−40.0%Reduced
Core Alternative Capital15$4.26K0.00%00.0%Unchanged
First Pacific Financial15$4.26K0.00%+15New
Valued Wealth Advisors LLC16$4.54K0.00%−2−11.1%Reduced
Private Wealth Management Group, LLC16$4.54K0.00%00.0%Unchanged
Capital A Wealth Management, LLC17$4.83K0.01%+17New
Capital Advisors, Ltd. LLC19$5.00K0.00%−2−9.5%Reduced
Avion Wealth21$5.00K0.00%+5+31.3%Added
Highline Wealth Partners LLC18$5.11K0.00%+4+28.6%Added
Winch Advisory Services, LLC19$5.39K0.00%+19New
Cassady Schiller Wealth Management, LLC19$5.39K0.00%+19New
Aspect Partners, LLC20$5.68K0.00%−4−16.7%Reduced
Godsey & Gibb Associates20$5.68K0.00%00.0%Unchanged
Solstein Capital, LLC20$5.68K0.00%00.0%Unchanged
FLP Wealth Management, LLC24$6.75K0.02%+24New
Addison Advisors LLC24$6.81K0.00%00.0%Unchanged
HighMark Wealth Management LLC25$7.10K0.00%00.0%Unchanged
Pineridge Advisors LLC25$7.13K0.00%00.0%Unchanged
Washington Trust Co25$7.18K0.00%−2−7.4%Reduced
Dunhill Financial, LLC26$7.29K0.00%+10+62.5%Added
Raffa Wealth Management, LLC26$7.38K0.00%00.0%Unchanged
Sachetta, LLC27$7.66K0.00%00.0%Unchanged
ORG Partners LLC28$7.95K0.00%+28New
Capital Analysts, LLC27$8.00K0.00%−28−50.9%Reduced
Quintet Private Bank (Europe) S.A.30$8.52K0.00%+30New
Bell Investment Advisors, Inc32$9.08K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc32$9.08K0.00%+32New
Crewe Advisors LLC32$9.18K0.00%−2−5.9%Reduced
Kayne Anderson Rudnick Investment Management LLC33$9.37K0.00%00.0%Unchanged
Cetera Trust Company, N.A34$9.65K0.01%00.0%Unchanged
Centricity Wealth Management, LLC34$9.65K0.01%+34New
Operose Advisors LLC36$10.2K0.00%+36New
Ameriflex Group, Inc.34$10.3K0.00%+34New
Princeton Global Asset Management LLC37$10.5K0.00%+37New
Westside Investment Management, Inc.39$11.1K0.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC41$11.6K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC42$11.9K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.42$11.9K0.00%+4+10.5%Added
Abound Wealth Management43$12.2K0.00%+1+2.4%Added
Wolff Wiese Magana LLC44$12.5K0.01%+39+780.0%Added
Hazlett, Burt & Watson, Inc.46$13.0K0.01%00.0%Unchanged
Keener Financial Planning LLC49$13.0K0.01%00.0%Unchanged
Financial Management Professionals, Inc.48$13.6K0.00%−18−27.3%Reduced
J.Safra Asset Management Corp48$13.7K0.00%+48New
Rakuten Securities, Inc.53$15.0K0.01%−49−48.0%Reduced
Criterion Capital Advisors, LLC60$15.6K0.01%00.0%Unchanged
Truvestments Capital LLC56$15.9K0.00%00.0%Unchanged
High Note Wealth, LLC57$16.2K0.00%+57New
MPWM Advisory Solutions, LLC57$16.2K0.01%+57New
Asset Dedication, LLC58$16.5K0.00%00.0%Unchanged
Park Square Financial Group, LLC64$18.2K0.01%+64New
Global Financial Private Client, LLC66$18.7K0.01%+5+8.2%Added
Meeder Asset Management Inc67$19.0K0.00%−6−8.2%Reduced
Caitong International Asset Management Co., Ltd69$19.6K0.02%+69New
Global Wealth Strategies & Associates70$19.9K0.01%+70New
Hemington Wealth Management71$20.0K0.01%+29+69.0%Added