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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: 1,359 institutionsQ2 2025: 1,379 institutionsQ3 2025: 1,341 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 20251,341$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, 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
Commerce Bank23,285$5.82M0.04%−1,914−7.6%Reduced
New Vernon Investment Management LLC24,282$6.07M5.16%00.0%Unchanged
Bradley Foster & Sargent Inc24,290$6.07M0.11%−4,101−14.4%Reduced
Janney Montgomery Scott LLC24,443$6.11M0.02%+2,031+9.1%Added
KG&L Capital Management,LLC24,724$6.18M2.46%−692−2.7%Reduced
Silvant Capital Management LLC24,752$6.19M0.30%−6,796−21.5%Reduced
Vontobel Holding Ltd.24,917$6.23M0.05%+623+2.6%Added
Atria Investments LLC25,161$6.29M0.09%+1,499+6.3%Added
Bollard Group LLC25,604$6.40M0.19%+56+0.2%Added
Snowden Capital Advisors LLC25,713$6.43M0.20%+453+1.8%Added
SpiderRock Advisors, LLC26,055$6.61M0.21%+26,055New
Bank of Nova Scotia26,895$6.72M0.01%+171+0.6%Added
Pacer Advisors, Inc.26,949$6.74M0.02%−4,203−13.5%Reduced
Jackson Wealth Management, LLC27,096$6.78M0.85%+474+1.8%Added
ING Groep NV27,336$6.84M0.05%+17,133+167.9%Added
Fifth Third Bancorp27,391$6.85M0.03%+2,721+11.0%Added
Ethic Inc.27,787$6.95M0.18%+578+2.1%Added
Commonwealth Equity Services, LLC28,270$7.07M0.01%−1,022−3.5%Reduced
Mutual of America Capital Management LLC28,424$7.11M0.08%−454−1.6%Reduced
First Citizens Bank & Trust Co28,469$7.12M0.14%+4,089+16.8%Added
Ayrshire Capital Management LLC29,038$7.26M3.93%+39+0.1%Added
Koss-Olinger Consulting, LLC29,038$7.26M3.93%+29,038New
James Investment Research Inc29,129$7.28M0.87%−2,868−9.0%Reduced
CAPROCK Group, Inc.29,146$7.29M0.42%−197−0.7%Reduced
O'Shaughnessy Asset Management, LLC29,149$7.29M0.08%+1,191+4.3%Added
Ieq Capital, LLC29,345$7.34M0.11%+551+1.9%Added
Private Advisor Group, LLC29,501$7.38M0.05%−5,815−16.5%Reduced
Sit Investment Associates Inc29,634$7.41M0.17%−277−0.9%Reduced
Renaissance Investment Group LLC29,907$7.48M1.72%+3,485+13.2%Added
Millennium Management LLC30,004$7.50M0.01%+9,179+44.1%Added
McKinley Carter Wealth Services, Inc.30,338$7.59M0.51%+1,485+5.1%Added
Park Avenue Securities LLC30,518$7.63M0.10%+2,293+8.1%Added
Pathstone Holdings, LLC30,542$7.64M0.04%+7,322+31.5%Added
Wealthfront Advisers LLC30,579$7.65M0.03%−753−2.4%Reduced
Douglass Winthrop Advisors, LLC30,881$7.72M0.16%+54+0.2%Added
Advisor Group Holdings, Inc.31,178$7.80M0.02%−103,133−76.8%Reduced
Public Employees Retirement Association of Colorado31,278$7.82M0.03%−1,018−3.2%Reduced
Xponance, Inc.31,382$7.85M0.08%+2,383+8.2%Added
Erste Asset Management GmbH31,700$7.85M0.11%+1,300+4.3%Added
Annex Advisory Services, LLC31,481$7.87M0.28%+31,481New
Yousif Capital Management, LLC31,534$7.88M0.09%−829−2.6%Reduced
Strategy Asset Managers LLC31,652$7.91M1.69%+876+2.8%Added
Healthcare of Ontario Pension Plan Trust Fund32,000$8.00M0.03%−13,000−28.9%Reduced
Sigma Investment Counselors Inc32,120$8.03M0.52%−427−1.3%Reduced
New York Life Investment Management LLC32,639$8.16M0.08%−1,012−3.0%Reduced
Baird Financial Group, Inc.32,790$8.20M0.02%+710+2.2%Added
Marks Group Wealth Management, Inc32,922$8.23M0.86%−282−0.8%Reduced
DnB Asset Management AS33,227$8.31M0.04%−5,202−13.5%Reduced
North Star Investment Management Corp.33,579$8.40M0.60%00.0%Unchanged
M&T Bank Corp33,579$8.40M0.03%−47,429−58.5%Reduced
iA Global Asset Management Inc.33,650$8.41M0.17%+33,650New
Public Sector Pension Investment Board33,918$8.48M0.06%+211+0.6%Added
First Manhattan Co34,305$8.58M0.03%−1,394−3.9%Reduced
Oppenheimer Asset Management Inc.34,324$8.58M0.13%−3,247−8.6%Reduced
Talbot Financial, LLC34,328$8.58M1.15%−6,347−15.6%Reduced
Bahl & Gaynor Inc34,467$8.62M0.05%−600−1.7%Reduced
Unisphere Establishment34,700$8.68M0.09%−632,000−94.8%Reduced
USS Investment Management Ltd36,090$9.02M0.07%−463−1.3%Reduced
Ensign Peak Advisors, Inc36,793$9.20M0.02%+13,775+59.8%Added
Utah Retirement Systems37,130$9.28M0.11%+400+1.1%Added
Dai-Ichi Life Insurance Company, Ltd37,719$9.43M0.21%−8,177−17.8%Reduced
Czech National Bank38,146$9.54M0.12%+333+0.9%Added
Alley Investment Management Company, LLC38,263$9.57M1.32%−66−0.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)39,093$9.77M0.03%+2,113+5.7%Added
D. Scott Neal, Inc.39,367$9.84M6.44%+1,480+3.9%Added
Baltimore-Washington Financial Advisors, Inc.39,735$9.94M0.62%+39,735New
Verity & Verity, LLC40,310$10.1M1.12%−1,861−4.4%Reduced
IFM Investors Pty Ltd40,457$10.1M0.11%−363−0.9%Reduced
Nicola Wealth Management Ltd.41,100$10.3M1.00%00.0%Unchanged
Ossiam41,287$10.3M0.18%+36,664+793.1%Added
Segment Wealth Management, LLC41,530$10.4M0.79%+1,844+4.6%Added
ProShare Advisors LLC41,995$10.5M0.03%−2,592−5.8%Reduced
Forsta Ap-Fonden42,200$10.6M0.09%−3,300−7.3%Reduced
CIBC Asset Management Inc42,326$10.6M0.04%+951+2.3%Added
Daiwa Securities Group Inc.42,369$10.6M0.06%−9,043−17.6%Reduced
Sequoia Financial Advisors, LLC43,186$10.8M0.13%−7,088−14.1%Reduced
Smithbridge Asset Management Inc43,395$10.9M2.24%−450−1.0%Reduced
Busey Wealth Management43,752$10.9M0.39%+942+2.2%Added
Running Oak Capital LLC44,507$11.1M1.78%+4,256+10.6%Added
Amalgamated Bank44,596$11.2M0.10%−9,296−17.2%Reduced
Texas Permanent School Fund44,818$11.2M0.09%−122−0.3%Reduced
Alaska Permanent Fund Corp45,112$11.3M0.17%+51+0.1%Added
State of Alaska, Department of Revenue45,397$11.3M0.13%+210+0.5%Added
Rench Wealth Management, Inc.45,539$11.4M4.37%+1,488+3.4%Added
Mirae Asset Global Investments Co., Ltd.54,340$11.4M0.02%+15,993+41.7%Added
Marshall Wace, LLP45,779$11.4M0.02%+38,335+515.0%Added
FineMark National Bank & Trust45,817$11.5M0.43%+976+2.2%Added
South Street Advisors LLC46,062$11.5M1.84%+825+1.8%Added
Ilmarinen Mutual Pension Insurance Co46,200$11.6M0.14%+21,200+84.8%Added
Marex Group plc47,000$11.8M0.38%+47,000New
Kestra Advisory Services, LLC47,090$11.8M0.08%+31,997+212.0%Added
Congress Wealth Management LLC47,406$11.9M0.20%+1,889+4.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys47,594$11.9M0.08%+315+0.7%Added
Vaughan Nelson Investment Management, L.P.48,613$12.2M0.11%−674−1.4%Reduced
Epoch Investment Partners, Inc.48,712$12.2M0.05%−1,300−2.6%Reduced
Appleton Partners Inc49,305$12.3M0.96%−1,765−3.5%Reduced
Mariner, LLC49,462$12.4M0.03%+4,840+10.8%Added
Lighthouse Investment Partners, LLC51,133$12.8M0.75%+51,133New
MetLife Investment Management51,209$12.8M0.09%−1,608−3.0%Reduced
Tompkins Financial Corp51,678$12.9M1.46%−26−0.1%Reduced