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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 2025

Institutional positions in Arthur J. Gallagher & Co. as of Mar 31, 2025. 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
1,360
+58 vs. Q4 2024
Shares held
228.9M
−2.17M (−0.9%) vs. Q4 2024
Total value
$79.0B
+$13.4B (+20.4%) vs. Q4 2024
New holders
179
549 more added
Sold out
121
448 more reduced

23 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 1,360 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 2025: $79.0B
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 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q4 2024.

Institutions holding AJG in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Prossimo Advisors, LLC1,080$373.0K0.28%00.0%Unchanged
Carnegie Capital Asset Management, LLC1,208$376.1K0.01%+14+1.2%Added
KCM Investment Advisors LLC1,091$376.7K0.01%+9+0.8%Added
Defined Financial Planning LLC1,100$378.2K0.38%00.0%Unchanged
Carderock Capital Management Inc1,100$379.8K0.10%−100−8.3%Reduced
BancorpSouth Bank1,100$379.8K0.03%+125+12.8%Added
Kayne Anderson Rudnick Investment Management LLC1,103$380.8K0.00%+1,070+3,242.4%Added
Tucker Asset Management LLC1,107$382.2K0.12%−312−22.0%Reduced
Compton Wealth Advisory Group, LLC1,109$382.9K0.11%−482−30.3%Reduced
Excalibur Management Corp1,109$383.0K0.15%00.0%Unchanged
Oak Harbor Wealth Partners, LLC1,113$384.3K0.11%+1,113New
Foundations Investment Advisors, LLC1,114$384.6K0.01%+61+5.8%Added
Federated Hermes, Inc.1,118$386.0K0.00%+379+51.3%Added
Brown Miller Wealth Management, LLC1,123$387.8K0.13%+1,123New
Angeles Wealth Management, LLC1,124$388.1K0.03%+110+10.8%Added
CWA Asset Management Group, LLC1,125$388.4K0.02%+207+22.5%Added
Buckingham Strategic Partners1,134$391.8K0.01%+419+58.6%Added
San Luis Wealth Advisors LLC1,137$393.0K0.09%+1+0.1%Added
City Holding Co1,140$393.6K0.06%+34+3.1%Added
Capital Management Associates, Inc1,140$393.6K0.09%+1,140New
Thoroughbred Financial Services, LLC1,142$394.0K0.02%+18+1.6%Added
New Century Financial Group, LLC1,147$396.0K0.46%−1,984−63.4%Reduced
Savvy Advisors, Inc.1,150$397.0K0.04%−76−6.2%Reduced
Legacy Financial Advisors, Inc.1,154$398.4K0.07%+160+16.1%Added
Wrenne Financial Planning LLC1,155$398.8K0.21%+2+0.2%Added
Stratos Wealth Advisors, LLC1,158$400.1K0.02%−139−10.7%Reduced
Oak Hill Wealth Advisors, LLC1,159$400.1K0.09%00.0%Unchanged
VisionPoint Advisory Group, LLC1,161$400.8K0.14%−70−5.7%Reduced
Portside Wealth Group, LLC1,162$401.2K0.07%+231+24.8%Added
HBK Sorce Advisory LLC1,168$403.3K0.01%−5−0.4%Reduced
Sage Mountain Advisors LLC1,175$405.7K0.03%+225+23.7%Added
Park Place Capital Corp1,194$412.2K0.11%−16−1.3%Reduced
Spinnaker Trust1,195$412.6K0.03%00.0%Unchanged
Asset Planning,Inc1,198$413.7K0.32%+2+0.2%Added
Encompass More Asset Management1,199$413.9K0.12%−55−4.4%Reduced
Syntegra Private Wealth Group, LLC1,203$415.3K0.05%−18−1.5%Reduced
Compass Ion Advisors, LLC1,207$416.7K0.05%−6−0.5%Reduced
AssuredPartners Investment Advisors, LLC1,211$418.1K0.08%−2−0.2%Reduced
Kathmere Capital Management, LLC1,212$418.5K0.04%+16+1.3%Added
Alta Advisers Ltd1,218$420.5K0.18%+500+69.6%Added
HBW Advisory Services LLC1,219$420.9K0.06%+87+7.7%Added
Successful Portfolios LLC1,220$421.4K0.29%−17−1.4%Reduced
Values First Advisors, Inc.1,223$421.4K0.25%−122−9.1%Reduced
Sandy Spring Bank1,233$425.7K0.02%+20+1.6%Added
StoneX Group Inc.1,241$428.3K0.02%−40−3.1%Reduced
Berkshire Asset Management LLC1,273$430.9K0.02%00.0%Unchanged
Reynders McVeigh Capital Management, LLC1,250$432.0K0.02%00.0%Unchanged
Challenger Wealth Management1,253$432.5K0.34%+1+0.1%Added
Pensionmark Financial Group, LLC1,254$433.0K0.01%+234+22.9%Added
David Loasby1,331$433.5K0.04%+148+12.5%Added
Shelton Capital Management1,256$433.6K0.01%00.0%Unchanged
Gen-Wealth Partners Inc1,258$434.3K0.18%−316−20.1%Reduced
CenterBook Partners LP1,259$434.7K0.03%−3,645−74.3%Reduced
Stonegate Investment Group, LLC1,260$435.0K0.01%−235−15.7%Reduced
Mowery & Schoenfeld Wealth Management, LLC1,263$436.0K0.85%−240−16.0%Reduced
Fieldview Capital Management, LLC1,272$439.1K0.06%−2,942−69.8%Reduced
Epoch Investment Partners, Inc.1,272$439.1K0.00%00.0%Unchanged
Ridgeline Wealth, LLC1,295$447.1K0.38%00.0%Unchanged
Fortress Private Ledger, LLC1,296$447.4K0.25%+163+14.4%Added
Old North State Wealth Management, LLC1,292$447.5K0.25%+202+18.5%Added
J. W. Coons Advisors, LLC1,300$448.8K0.12%−100−7.1%Reduced
Strategic Blueprint, LLC1,301$449.3K0.02%−205−13.6%Reduced
Paragon Private Wealth Management, LLC1,306$451.0K0.21%+339+35.1%Added
Austin Private Wealth, LLC1,315$454.0K0.04%−847−39.2%Reduced
Wilkins Investment Counsel Inc1,315$454.0K0.07%−85−6.1%Reduced
Wolff Wiese Magana LLC1,318$455.0K0.31%+1,274+2,895.5%Added
AdvisorNet Financial, Inc1,331$459.5K0.03%−28−2.1%Reduced
Journey Strategic Wealth LLC1,342$463.4K0.02%+3+0.2%Added
Vestor Capital, LLC1,351$466.0K0.04%−43−3.1%Reduced
Trust Co of Vermont1,362$470.2K0.02%−147−9.7%Reduced
Massmutual Trust Co FSB1,367$471.9K0.01%+373+37.5%Added
S-Bank Fund Management Ltd1,370$473.0K0.09%+1,370New
Curated Wealth Partners LLC1,370$473.0K0.06%+1,370New
ICONIQ Capital, LLC1,374$474.4K0.01%+117+9.3%Added
Conning Inc.1,376$475.1K0.02%+67+5.1%Added
GTS Securities LLC1,378$475.7K0.02%−1,620−54.0%Reduced
Integrated Advisors Network LLC1,382$477.3K0.02%−869−38.6%Reduced
AustralianSuper Pty Ltd1,389$479.5K0.00%+1,389New
Catalytic Wealth RIA, LLC1,391$480.2K0.09%−164−10.5%Reduced
Skopos Labs, Inc.1,396$481.7K0.10%+336+31.7%Added
River Wealth Advisors LLC1,399$483.0K0.07%−27−1.9%Reduced
Shufro Rose & Co LLC1,400$483.3K0.04%00.0%Unchanged
Insight 2811, Inc.1,400$483.3K0.25%00.0%Unchanged
Alpine Woods Capital Investors, LLC1,411$487.1K0.12%−4−0.3%Reduced
Perigon Wealth Management, LLC1,416$489.0K0.01%−5−0.4%Reduced
Bridges Investment Management Inc1,424$491.6K0.01%+1,424New
Tudor Financial Inc.1,425$492.0K0.30%00.0%Unchanged
Sagespring Wealth Partners, LLC1,431$493.9K0.01%+265+22.7%Added
Eqis Capital Management, Inc.1,433$494.6K0.04%−176−10.9%Reduced
Lake Street Financial LLC1,437$496.1K0.08%−175−10.9%Reduced
Signal Advisors Wealth, LLC1,448$499.9K0.05%−16−1.1%Reduced
Steel Peak Wealth Management LLC1,472$508.2K0.02%−5−0.3%Reduced
Cary Street Partner Investment Advisory LLC1,484$512.5K0.30%+709+91.5%Added
Howard Capital Management Inc.1,487$513.3K0.01%−706−32.2%Reduced
Heritage Wealth Advisors1,498$517.2K0.03%00.0%Unchanged
Aviance Capital Partners, LLC1,500$517.9K0.07%00.0%Unchanged
West Paces Advisors Inc.1,500$517.9K0.12%00.0%Unchanged
Walleye Capital LLC1,501$518.2K0.01%−211,388−99.3%Reduced
Longview Financial Advisors, Inc.1,505$519.6K0.45%−46−3.0%Reduced
Modera Wealth Management, LLC1,506$520.0K0.01%−52−3.3%Reduced