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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, Q1 2024

Institutional positions in Arthur J. Gallagher & Co. as of Mar 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
1,130
+59 vs. Q4 2023
Shares held
186.3M
−25.9K (0.0%) vs. Q4 2023
Total value
$46.5B
+$4.65B (+11.1%) vs. Q4 2023
New holders
135
432 more added
Sold out
76
398 more reduced

11 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 1,130 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 heldQ1 2024: $46.5B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q4 2023.

Institutions holding AJG in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Hollencrest Capital Management133$33.3K0.00%00.0%Unchanged
State of Wyoming134$33.5K0.01%+134New
Logan Capital Management Inc140$35.0K0.00%00.0%Unchanged
Hallmark Capital Management Inc143$35.8K0.00%00.0%Unchanged
Security National Bank145$36.3K0.01%00.0%Unchanged
Ruedi Wealth Management, Inc.145$36.3K0.02%00.0%Unchanged
Versant Capital Management, Inc147$36.8K0.01%00.0%Unchanged
Disciplina Capital Management LLC147$36.8K0.01%00.0%Unchanged
Cambridge Trust Co150$37.5K0.00%−819−84.5%Reduced
ZRC Wealth Management, LLC151$37.8K0.02%00.0%Unchanged
City State Bank150$38.0K0.02%00.0%Unchanged
DT Investment Partners, LLC152$38.0K0.00%00.0%Unchanged
Compagnie Lombard Odier SCmA154$38.5K0.00%00.0%Unchanged
REAP Financial Group, LLC159$39.7K0.01%−817−83.7%Reduced
Stuart Chaussee & Associates, Inc.162$40.5K0.01%00.0%Unchanged
Continuum Advisory, LLC174$43.1K0.01%+174New
Delta Asset Management LLC173$43.3K0.00%00.0%Unchanged
Intelligent Financial Strategies176$44.0K0.03%+176New
Prestige Wealth Management Group LLC176$44.0K0.01%00.0%Unchanged
Harbor Investment Advisory, LLC177$44.3K0.00%00.0%Unchanged
Bruce G. Allen Investments, LLC178$44.5K0.04%+5+2.9%Added
Zions Bancorporation, N.A.187$46.8K0.00%−3−1.6%Reduced
Kelly Financial Services LLC192$48.0K0.02%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA195$48.8K0.02%+95+95.0%Added
Hoese & Co LLP200$48.8K0.04%00.0%Unchanged
Covestor Ltd196$49.0K0.03%−11−5.3%Reduced
Riverview Trust Co197$49.3K0.04%+197New
Paladin Advisory Group, LLC200$49.4K0.04%00.0%Unchanged
True Wealth Design, LLC200$50.0K0.01%00.0%Unchanged
Broadwater Capital Management LLC200$50.0K0.04%00.0%Unchanged
Tortoise Investment Management, LLC201$50.3K0.01%00.0%Unchanged
DSM Capital Partners LLC206$51.5K0.00%+41+24.8%Added
GoalVest Advisory LLC208$52.0K0.02%+26+14.3%Added
Piscataqua Savings Bank213$53.3K0.05%+13+6.5%Added
Richardson Financial Services Inc.235$58.8K0.04%+115+95.8%Added
Hilltop National Bank240$60.0K0.02%+240New
Loomis Sayles & Co L P250$63.0K0.00%+49+24.4%Added
Hexagon Capital Partners LLC263$65.8K0.01%−8−3.0%Reduced
Beacon Capital Management, LLC263$65.8K0.01%00.0%Unchanged
Larson Financial Group LLC265$66.3K0.01%00.0%Unchanged
Central Pacific Bank - Trust Division274$67.7K0.01%+274New
Financial Synergies Wealth Advisors, Inc.272$68.0K0.01%+231+563.4%Added
Cornerstone Planning Group LLC287$68.5K0.02%−59−17.1%Reduced
Nemes Rush Group LLC277$69.3K0.01%00.0%Unchanged
Laurel Wealth Advisors LLC298$74.5K0.01%+298New
Groupama Asset Managment315$78.8K0.00%00.0%Unchanged
Rosenberg Matthew Hamilton324$80.1K0.02%00.0%Unchanged
Pinnacle Bancorp, Inc.343$85.8K0.03%00.0%Unchanged
Deseret Mutual Benefit Administrators344$86.0K0.04%00.0%Unchanged
LFA - Lugano Financial Advisors SA395$98.8K0.07%+395New
Parkside Financial Bank & Trust407$101.8K0.02%+45+12.4%Added
AdvisorNet Financial, Inc408$102.0K0.01%−12−2.9%Reduced
Bangor Savings Bank414$103.5K0.01%00.0%Unchanged
Simplex Trading, LLC435$108.0K0.00%−8,046−94.9%Reduced
VitalStone Financial, LLC444$111.0K0.08%−31−6.5%Reduced
Clean Yield Group451$112.8K0.04%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt465$116.2K0.01%00.0%Unchanged
Chelsea Counsel Co475$118.8K0.07%00.0%Unchanged
CarsonAllaria Wealth Management, Ltd.497$124.4K0.08%+1+0.2%Added
Center for Financial Planning, Inc.535$133.8K0.02%00.0%Unchanged
NBC Securities, Inc.538$134.0K0.01%+5+0.9%Added
Key Financial Inc543$135.8K0.03%00.0%Unchanged
Atwood & Palmer Inc556$139.0K0.01%00.0%Unchanged
Walleye Trading LLC560$140.0K0.00%−14,558−96.3%Reduced
Gables Capital Management Inc.580$145.0K0.08%00.0%Unchanged
Alta Advisers Ltd600$150.0K0.07%00.0%Unchanged
HM Payson & Co611$152.8K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.613$153.3K0.00%+14+2.3%Added
Acadian Asset Management LLC637$159.0K0.00%−1,373−68.3%Reduced
Pflug Koory, LLC673$168.3K0.08%−50−6.9%Reduced
Resources Management Corp706$177.0K0.03%−25−3.4%Reduced
Trust Co737$184.3K0.02%00.0%Unchanged
Tobam755$189.0K0.02%−265−26.0%Reduced
West Oak Capital, LLC756$189.0K0.08%00.0%Unchanged
Osterweis Capital Management Inc757$189.3K0.01%−113−13.0%Reduced
Lindbrook Capital, LLC762$190.5K0.02%+19+2.6%Added
AlphaCentric Advisors LLC777$194.3K0.12%−72−8.5%Reduced
VisionPoint Advisory Group, LLC784$196.0K0.07%+260+49.6%Added
Fort Sheridan Advisors LLC800$200.0K0.04%+800New
Fifth Third Wealth Advisors LLC800$200.0K0.03%+800New
Massmutual Trust Co FSB805$201.3K0.01%−113−12.3%Reduced
1620 Investment Advisors, Inc.808$202.0K0.21%+808New
BOS Asset Management, LLC808$202.0K0.11%+808New
Wealth Architects, LLC810$202.5K0.03%+810New
Atomi Financial Group, Inc.811$202.8K0.02%+811New
Vicus Capital814$203.6K0.02%+814New
Smartleaf Asset Management LLC822$203.7K0.04%+773+1,577.6%Added
Patton Fund Management, Inc.815$203.8K0.04%+815New
Legacy Financial Advisors, Inc.817$204.3K0.04%+817New
Harbour Investments, Inc.818$204.4K0.01%+215+35.7%Added
Truepoint, Inc.818$204.5K0.01%−337−29.2%Reduced
Glenview Trust Co821$205.3K0.00%+821New
Keeler & Nadler Financial Planning & Wealth Management821$205.3K0.12%+821New
Proficio Capital Partners LLC829$207.4K0.02%+829New
Washington Trust Bank833$208.3K0.02%−58−6.5%Reduced
JT Stratford LLC834$208.5K0.04%+834New
Aspiriant, LLC849$212.3K0.01%+849New
Perennial Investment Advisors, LLC850$212.4K0.03%+850New
Koshinski Asset Management, Inc.852$212.9K0.02%+852New
Avestar Capital, LLC853$213.3K0.02%+853New