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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, Q3 2024

Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 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
1,203
+61 vs. Q2 2024
Shares held
187.7M
+16.0M (+9.3%) vs. Q2 2024
Total value
$52.8B
+$8.24B (+18.5%) vs. Q2 2024
New holders
121
435 more added
Sold out
60
450 more reduced

11 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 1,203 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 heldQ3 2024: $52.8B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2024.

Institutions holding AJG in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
First Citizens Bank & Trust Co28,515$8.02M0.18%−562−1.9%Reduced
Ayrshire Capital Management LLC28,968$8.15M3.88%−80.0%Reduced
Segall Bryant & Hamill, LLC29,210$8.22M0.11%+29,210New
Wealthfront Advisers LLC29,402$8.27M0.03%−442−1.5%Reduced
Pacer Advisors, Inc.29,723$8.36M0.02%+3,541+13.5%Added
Citadel Advisors LLC29,786$8.38M0.01%+29,786New
Atria Investments LLC30,201$8.50M0.11%−1,228−3.9%Reduced
Douglass Winthrop Advisors, LLC30,246$8.51M0.16%−489−1.6%Reduced
Rathbone Brothers plc30,315$8.53M0.04%−500−1.6%Reduced
Public Employees Retirement Association of Colorado30,334$8.54M0.03%+65+0.2%Added
Janney Montgomery Scott LLC30,337$8.54M0.02%+20+0.1%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.30,432$8.56M0.02%+189+0.6%Added
Marks Group Wealth Management, Inc30,546$8.59M0.82%−1,516−4.7%Reduced
Susquehanna International Group, LLP30,632$8.62M0.01%−25,577−45.5%Reduced
Strategy Asset Managers LLC30,672$8.63M1.66%−5,065−14.2%Reduced
McKinley Carter Wealth Services, Inc.30,789$8.66M0.52%−80.0%Reduced
Private Advisor Group, LLC30,832$8.68M0.05%+1,533+5.2%Added
Yousif Capital Management, LLC30,979$8.72M0.09%−578−1.8%Reduced
Commonwealth Equity Services, LLC31,003$8.72M0.01%+1,482+5.0%Added
Ensign Peak Advisors, Inc31,004$8.72M0.02%−550−1.7%Reduced
Ieq Capital, LLC31,070$8.74M0.11%−122−0.4%Reduced
First Manhattan Co31,109$8.75M0.03%−1,740−5.3%Reduced
Xponance, Inc.31,508$8.87M0.09%+672+2.2%Added
Jane Street Group, LLC31,632$8.90M0.01%−10,445−24.8%Reduced
Baird Financial Group, Inc.31,763$8.94M0.02%−1,070−3.3%Reduced
New York Life Investment Management LLC32,347$9.10M0.09%−841−2.5%Reduced
Sigma Investment Counselors Inc32,468$9.14M0.54%−71−0.2%Reduced
North Star Investment Management Corp.32,479$9.14M0.63%−700−2.1%Reduced
Bahl & Gaynor Inc32,630$9.18M0.05%−601−1.8%Reduced
Pathstone Holdings, LLC33,020$9.29M0.04%−105−0.3%Reduced
Squarepoint Ops LLC33,241$9.35M0.03%+27,320+461.4%Added
Renaissance Investment Group LLC33,377$9.39M1.95%+1,636+5.2%Added
Smithbridge Asset Management Inc33,880$9.53M1.64%−10,107−23.0%Reduced
Talbot Financial, LLC33,907$9.54M1.16%+268+0.8%Added
Twinbeech Capital LP34,186$9.62M0.18%+34,186New
Credit Agricole S A34,582$9.73M0.05%+27,375+379.8%Added
Y-Intercept (Hong Kong) Ltd34,585$9.73M0.60%+34,585New
Gotham Asset Management, LLC35,222$9.91M0.10%+9,229+35.5%Added
Utah Retirement Systems35,730$10.1M0.11%+200+0.6%Added
O'Shaughnessy Asset Management, LLC35,343$10.2M0.09%+3,143+9.8%Added
DnB Asset Management AS36,680$10.3M0.05%+1,207+3.4%Added
USS Investment Management Ltd36,899$10.4M0.08%00.0%Unchanged
Gunderson Capital Management Inc.36,969$10.4M4.41%+3,700+11.1%Added
Canada Pension Plan Investment Board37,531$10.6M0.01%−26,008−40.9%Reduced
Nicola Wealth Management Ltd.37,600$10.6M0.84%−3,500−8.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.38,146$10.7M0.02%+615+1.6%Added
Public Sector Pension Investment Board38,195$10.7M0.06%+1,188+3.2%Added
Brant Point Investment Management LLC40,000$11.3M2.57%−10,626−21.0%Reduced
Verity & Verity, LLC40,184$11.3M1.11%+90.0%Added
Candriam Luxembourg S.C.A.16,090$11.5M0.07%+1,091+7.3%Added
Bank of Nova Scotia41,010$11.5M0.02%−101,157−71.2%Reduced
Annex Advisory Services, LLC41,101$11.6M0.37%+3,926+10.6%Added
Rit Capital Partners PLC41,200$11.6M2.46%+41,200New
ProShare Advisors LLC42,112$11.8M0.03%−2,269−5.1%Reduced
CIBC World Markets Corp42,400$11.9M0.09%+565+1.4%Added
Millennium Management LLC42,623$12.0M0.01%−85,913−66.8%Reduced
Segment Wealth Management, LLC42,964$12.1M0.83%+75+0.2%Added
Amalgamated Bank43,098$12.1M0.10%−1,015−2.3%Reduced
CIBC Asset Management Inc43,116$12.1M0.04%+2,190+5.4%Added
Zurcher Kantonalbank (Zurich Cantonalbank)43,224$12.2M0.04%+4,212+10.8%Added
Forsta Ap-Fonden44,100$12.4M0.10%+5,700+14.8%Added
Busey Wealth Management44,254$12.5M0.41%−302−0.7%Reduced
South Street Advisors LLC44,271$12.5M1.89%−2,172−4.7%Reduced
Czech National Bank44,633$12.6M0.13%+2,996+7.2%Added
Running Oak Capital LLC44,739$12.6M1.71%−2,083−4.4%Reduced
IFM Investors Pty Ltd44,909$12.6M0.12%+3,096+7.4%Added
Alaska Permanent Fund Corp45,026$12.7M0.19%00.0%Unchanged
Baltimore-Washington Financial Advisors, Inc.45,497$12.8M0.69%+1,984+4.6%Added
FineMark National Bank & Trust46,081$13.0M0.45%−403−0.9%Reduced
Oppenheimer Asset Management Inc.46,182$13.0M0.16%+176+0.4%Added
Ilmarinen Mutual Pension Insurance Co46,200$13.0M0.14%00.0%Unchanged
State of Alaska, Department of Revenue47,357$13.3M0.14%+1,725+3.8%Added
Mediolanum International Funds Ltd47,761$13.3M0.19%−17,622−27.0%Reduced
Rench Wealth Management, Inc.47,553$13.4M4.59%+1,378+3.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys47,696$13.4M0.08%−298−0.6%Reduced
Daiwa Securities Group Inc.47,910$13.5M0.06%+2,539+5.6%Added
Appleton Partners Inc48,524$13.7M1.00%−1,548−3.1%Reduced
Healthcare of Ontario Pension Plan Trust Fund48,583$13.7M0.03%+24,583+102.4%Added
Tompkins Financial Corp51,244$14.4M1.38%−215−0.4%Reduced
Man Group plc51,397$14.5M0.04%−3,838−6.9%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund51,594$14.5M0.15%+51,594New
Hantz Financial Services, Inc.51,956$14.6M0.26%−1,210−2.3%Reduced
Varma Mutual Pension Insurance Co54,950$15.5M0.12%−2,600−4.5%Reduced
Wealth Enhancement Advisory Services, LLC55,394$15.6M0.03%+536+1.0%Added
Mariner, LLC56,771$16.0M0.03%+2,677+4.9%Added
HighTower Advisors, LLC56,672$16.0M0.02%+789+1.4%Added
Newport Capital Group, LLC57,447$16.2M11.91%−1,849−3.1%Reduced
Sanctuary Advisors, LLC53,124$16.2M0.10%+35,148+195.5%Added
MetLife Investment Management57,592$16.2M0.09%−1,330−2.3%Reduced
11 Capital Partners LP58,602$16.5M6.87%−11,839−16.8%Reduced
Alley Investment Management Company, LLC58,812$16.5M2.10%+20,416+53.2%Added
Robeco Institutional Asset Management B.V.59,128$16.6M0.03%−7,465−11.2%Reduced
Creative Planning59,653$16.8M0.02%+2,537+4.4%Added
State of Michigan Retirement System59,687$16.8M0.08%−200−0.3%Reduced
Capital International Ltd59,754$16.8M0.72%+327+0.6%Added
Intech Investment Management LLC59,898$16.9M0.19%−3,373−5.3%Reduced
The PNC Financial Services Group, Inc.59,936$16.9M0.01%+2,384+4.1%Added
D. Scott Neal, Inc.60,087$16.9M8.94%−10,330−14.7%Reduced
Handelsbanken Fonder AB62,136$17.5M0.07%+503+0.8%Added
Cetera Investment Advisers62,527$17.6M0.04%+1,043+1.7%Added