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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
Sigma Investment Counselors Inc32,624$9.26M0.54%+156+0.5%Added
Sterling Capital Management LLC32,893$9.34M0.13%+15,437+88.4%Added
Yousif Capital Management, LLC32,996$9.37M0.10%+2,017+6.5%Added
Commonwealth Equity Services, LLC33,043$9.38M0.01%+2,040+6.6%Added
CAPROCK Group, Inc.33,208$9.43M0.31%+33,208New
Bank of Nova Scotia33,328$9.46M0.02%−7,682−18.7%Reduced
Man Group plc33,482$9.50M0.03%−17,915−34.9%Reduced
Talbot Financial, LLC33,712$9.57M1.14%−195−0.6%Reduced
Intech Investment Management LLC34,352$9.75M0.09%−25,546−42.6%Reduced
Park Avenue Securities LLC34,738$9.86M0.10%+7,163+26.0%Added
Pathstone Holdings, LLC34,813$9.88M0.04%+1,793+5.4%Added
Renaissance Investment Group LLC34,864$9.90M2.09%+1,487+4.5%Added
USS Investment Management Ltd34,945$9.92M0.07%−1,954−5.3%Reduced
Xponance, Inc.35,644$10.1M0.09%+4,136+13.1%Added
Utah Retirement Systems35,730$10.1M0.11%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey35,749$10.1M0.10%+35,749New
Mirae Asset Global Investments Co., Ltd.35,947$10.3M0.04%+11,587+47.6%Added
Colony Group, LLC36,539$10.4M0.03%+33,314+1,033.0%Added
New York Life Investment Management LLC36,562$10.4M0.10%+4,215+13.0%Added
Credit Agricole S A36,733$10.4M0.04%+2,151+6.2%Added
Mercer Global Advisors Inc37,176$10.6M0.03%−482,161−92.8%Reduced
O'Shaughnessy Asset Management, LLC37,208$10.6M0.09%+1,865+5.3%Added
Nicola Wealth Management Ltd.37,600$10.7M1.01%00.0%Unchanged
Kodai Capital Management LP39,301$11.2M0.46%+39,301New
CIBC World Markets Corp39,409$11.2M0.07%−2,991−7.1%Reduced
Ensign Peak Advisors, Inc39,963$11.3M0.02%+8,959+28.9%Added
Brant Point Investment Management LLC40,000$11.4M2.70%00.0%Unchanged
Catalyst Funds Management Pty Ltd40,000$11.4M2.81%+39,700+13,233.3%Added
Picton Mahoney Asset Management40,525$11.5M0.44%+40,525New
Rit Capital Partners PLC41,200$11.7M2.84%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.41,214$11.7M0.03%+10,782+35.4%Added
IFM Investors Pty Ltd41,591$11.8M0.12%−3,318−7.4%Reduced
Varma Mutual Pension Insurance Co41,650$11.8M0.09%−13,300−24.2%Reduced
Verity & Verity, LLC41,759$11.9M1.08%+1,575+3.9%Added
Polar Capital Holdings Plc41,881$11.9M0.07%+41,881New
Segment Wealth Management, LLC43,623$12.4M0.84%+659+1.5%Added
Forsta Ap-Fonden44,300$12.6M0.09%+200+0.5%Added
South Street Advisors LLC44,536$12.6M1.94%+265+0.6%Added
Hudson Bay Capital Management LP45,012$12.8M0.08%+45,012New
Alaska Permanent Fund Corp45,026$12.8M0.19%00.0%Unchanged
Busey Wealth Management45,262$12.8M0.42%+1,008+2.3%Added
DnB Asset Management AS45,399$12.9M0.06%+8,719+23.8%Added
Kestra Advisory Services, LLC46,052$13.1M0.07%+33,549+268.3%Added
Crestline Management, LP46,379$13.2M0.46%+46,379New
Daiwa Securities Group Inc.46,510$13.2M0.06%−1,400−2.9%Reduced
Mediolanum International Funds Ltd46,594$13.2M0.17%−1,167−2.4%Reduced
FineMark National Bank & Trust46,869$13.3M0.46%+788+1.7%Added
Zurcher Kantonalbank (Zurich Cantonalbank)47,236$13.4M0.04%+4,012+9.3%Added
CIBC Asset Management Inc48,314$13.7M0.04%+5,198+12.1%Added
Appleton Partners Inc48,344$13.7M1.01%−180−0.4%Reduced
Amalgamated Bank48,372$13.7M0.11%+5,274+12.2%Added
Rench Wealth Management, Inc.48,701$13.8M4.71%+1,148+2.4%Added
Running Oak Capital LLC48,722$13.8M1.81%+3,983+8.9%Added
Oppenheimer Asset Management Inc.48,996$13.9M0.17%+2,814+6.1%Added
State of Alaska, Department of Revenue49,797$14.1M0.16%+2,440+5.2%Added
Hantz Financial Services, Inc.50,418$14.3M0.25%−1,538−3.0%Reduced
Tompkins Financial Corp51,109$14.5M1.35%−135−0.3%Reduced
Baltimore-Washington Financial Advisors, Inc.51,745$14.7M0.75%+6,248+13.7%Added
William Blair Investment Management, LLC52,624$14.9M0.04%+52,624New
Annex Advisory Services, LLC53,021$15.1M0.45%+11,920+29.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys53,116$15.1M0.09%+5,420+11.4%Added
ProShare Advisors LLC53,459$15.2M0.03%+11,347+26.9%Added
Cooper Investors Pty Ltd53,840$15.3M2.41%−12,783−19.2%Reduced
Czech National Bank54,162$15.4M0.14%+9,529+21.3%Added
Teacher Retirement System of Texas54,389$15.4M0.06%+45,981+546.9%Added
State of Tennessee, Treasury Department55,707$15.8M0.06%−16,021−22.3%Reduced
Thrivent Financial for Lutherans55,646$15.9M0.03%−9,892−15.1%Reduced
HighTower Advisors, LLC56,852$16.1M0.02%+180+0.3%Added
Sanctuary Advisors, LLC54,485$16.3M0.10%+1,361+2.6%Added
Newport Capital Group, LLC57,447$16.3M12.01%00.0%Unchanged
United Capital Financial Advisers, LLC58,109$16.5M0.14%−19,554−25.2%Reduced
D. Scott Neal, Inc.59,815$17.0M9.31%−272−0.5%Reduced
Alley Investment Management Company, LLC59,980$17.0M2.15%+1,168+2.0%Added
Mariner, LLC60,407$17.1M0.03%+3,636+6.4%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund61,694$17.5M0.18%+10,100+19.6%Added
Standard Life Aberdeen plc61,781$17.5M0.03%−10,055−14.0%Reduced
Capital International Ltd62,895$17.9M0.73%+3,141+5.3%Added
The PNC Financial Services Group, Inc.63,319$18.0M0.01%+3,383+5.6%Added
Nisa Investment Advisors, LLC63,760$18.1M0.07%+290+0.5%Added
Payden & Rygel64,300$18.3M1.57%−20,300−24.0%Reduced
Creative Planning64,417$18.3M0.02%+4,764+8.0%Added
Public Sector Pension Investment Board64,816$18.4M0.08%+26,621+69.7%Added
First Trust Advisors LP64,995$18.4M0.02%−18,370−22.0%Reduced
Interval Partners, LP65,623$18.6M0.48%+65,623New
Cetera Investment Advisers66,111$18.8M0.04%+3,584+5.7%Added
AMF Pensionsforsakring AB66,384$18.8M0.13%+66,384New
MetLife Investment Management66,796$19.0M0.10%+9,204+16.0%Added
Handelsbanken Fonder AB67,062$19.0M0.07%+4,926+7.9%Added
State of Michigan Retirement System67,787$19.2M0.10%+8,100+13.6%Added
Wealth Enhancement Advisory Services, LLC68,124$19.3M0.04%+12,730+23.0%Added
GW&K Investment Management, LLC68,290$19.4M0.16%+236+0.3%Added
North Point Portfolio Managers Corp68,656$19.5M3.39%−1,413−2.0%Reduced
Bristlecone Advisors, LLC68,794$19.5M1.53%−427−0.6%Reduced
Congress Wealth Management LLC69,268$19.7M0.27%+1,893+2.8%Added
Corebridge Financial, Inc.69,567$19.7M0.11%+5,911+9.3%Added
Monashee Investment Management LLC70,000$19.9M2.72%+70,000New
Boothbay Fund Management, LLC70,556$20.0M0.62%+68,625+3,553.9%Added
Lawson Kroeker Investment Management Inc71,015$20.2M3.80%−2,043−2.8%Reduced
Arizona State Retirement System72,641$20.6M0.13%+9,992+15.9%Added
Distillate Capital Partners LLC72,990$20.7M1.02%+72,990New