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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
Sitrin Capital Management LLC10,834$2.71M1.48%−63−0.6%Reduced
New Mexico Educational Retirement Board10,850$2.71M0.10%−300−2.7%Reduced
Brasada Capital Management, LP10,894$2.72M0.49%+85+0.8%Added
Ostrum Asset Management10,907$2.73M0.22%+2,226+25.6%Added
Brinker Capital Investments, LLC11,306$2.83M0.03%+1,575+16.2%Added
Orion Portfolio Solutions, LLC11,306$2.83M0.03%+1,575+16.2%Added
National Asset Management, Inc.12,437$2.83M0.08%+1,773+16.6%Added
Sigma Planning Corp11,347$2.84M0.09%+3,890+52.2%Added
Capital Group Investment Management Pte. Ltd.11,370$2.84M0.51%+5,290+87.0%Added
Alerus Financial NA11,432$2.86M0.22%−1,526−11.8%Reduced
Connor, Clark & Lunn Investment Management Ltd.11,516$2.88M0.01%+1,932+20.2%Added
B. Metzler seel. Sohn & Co. AG11,788$2.91M0.03%+5,884+99.7%Added
D. E. Shaw & Co., Inc.11,687$2.92M0.00%−10,854−48.2%Reduced
Stonebridge Capital Management Inc11,812$2.95M1.32%−50−0.4%Reduced
CIBC Private Wealth Group, LLC11,991$2.96M0.01%+90+0.8%Added
Edmond de Rothschild Holding S.A.11,885$2.97M0.05%−3,951−24.9%Reduced
Prospera Financial Services Inc11,919$2.98M0.09%+716+6.4%Added
Robbins Farley LLC11,936$2.98M1.64%+740+6.6%Added
Anthracite Investment Company, Inc.12,000$3.00M1.51%+12,000New
Whittier Trust Co12,020$3.01M0.04%−148−1.2%Reduced
Guggenheim Capital LLC12,192$3.05M0.02%+1,009+9.0%Added
Credit Agricole S A13,170$3.08M0.05%+7,061+115.6%Added
EULAV Asset Management12,400$3.10M0.09%00.0%Unchanged
Portfolio Design Labs, LLC12,412$3.10M1.04%+1,332+12.0%Added
Coldstream Capital Management Inc12,473$3.12M0.08%+2,116+20.4%Added
PDT Partners, LLC12,551$3.14M0.30%+12,551New
Atria Wealth Solutions, Inc.12,584$3.15M0.04%+585+4.9%Added
Louisiana State Employees Retirement System12,600$3.15M0.06%−500−3.8%Reduced
Cambridge Investment Research Advisors, Inc.12,626$3.16M0.01%+664+5.6%Added
Captrust Financial Advisors12,691$3.17M0.01%−2,446−16.2%Reduced
Levy Wealth Management Group, LLC14,172$3.19M0.89%00.0%Unchanged
Securian Asset Management, Inc12,760$3.19M0.09%−938−6.8%Reduced
Cerity Partners LLC12,844$3.21M0.01%+5,431+73.3%Added
Prescott Group Capital Management, L.L.C.12,847$3.21M0.52%+4,500+53.9%Added
Brookstone Capital Management12,851$3.21M0.06%+5,308+70.4%Added
Illinois Municipal Retirement Fund12,907$3.23M0.05%00.0%Unchanged
Swedbank AB13,187$3.30M0.00%+1,619+14.0%Added
Nelson Capital Management, LLC13,276$3.32M0.63%+9,153+222.0%Added
Legato Capital Management LLC13,495$3.37M0.41%00.0%Unchanged
Cox Capital Mgt LLC13,624$3.41M2.10%−406−2.9%Reduced
Trust Co of Toledo NA13,804$3.45M0.54%−295−2.1%Reduced
Pittenger & Anderson Inc13,814$3.45M0.14%+13,814New
Synovus Financial Corp14,041$3.51M0.05%+246+1.8%Added
Hartford Investment Management Co14,060$3.52M0.12%−546−3.7%Reduced
Gunderson Capital Management Inc.14,101$3.53M1.64%+4,851+52.4%Added
Candriam Luxembourg S.C.A.14,352$3.59M0.02%+393+2.8%Added
Oxbow Advisors, LLC14,497$3.62M0.50%+156+1.1%Added
Transamerica Financial Advisors, Inc.14,611$3.65M0.37%+13,275+993.6%Added
First Trust Advisors LP14,632$3.66M0.00%−52,629−78.2%Reduced
Avantax Advisory Services, Inc.14,706$3.68M0.03%+228+1.6%Added
CenterBook Partners LP14,843$3.71M0.26%−5,778−28.0%Reduced
Cornerstone Advisors, LLC15,000$3.75M0.16%00.0%Unchanged
Swiss Life Asset Management Ltd15,098$3.78M0.05%−25,792−63.1%Reduced
GAM Holding AG15,122$3.78M0.27%+50+0.3%Added
Freedom Day Solutions, LLC15,156$3.79M1.34%+690+4.8%Added
Maryland State Retirement & Pension System16,821$3.89M0.08%+343+2.1%Added
Walleye Capital LLC15,607$3.90M0.04%−27,730−64.0%Reduced
Legacy Wealth Management, LLC15,811$3.95M1.78%−40−0.3%Reduced
Romano Brothers and Company16,263$4.07M0.56%+214+1.3%Added
Kentucky Retirement Systems16,464$4.12M0.12%−810−4.7%Reduced
Barbara Oil Co.16,500$4.13M1.74%00.0%Unchanged
Duality Advisers, LP16,520$4.13M0.41%+16,520New
BFSG, LLC16,587$4.15M0.55%−75−0.5%Reduced
Keebeck Wealth Management, LLC16,667$4.17M0.61%−91−0.5%Reduced
Dorsey Wright & Associates16,706$4.18M1.09%+155+0.9%Added
Triasima Portfolio Management inc.16,942$4.24M0.36%−6,165−26.7%Reduced
CIBC World Markets Inc.17,011$4.25M0.01%+108+0.6%Added
JustInvest LLC17,016$4.25M0.09%+2,401+16.4%Added
Geneos Wealth Management Inc.17,361$4.34M0.20%+565+3.4%Added
Teachers Retirement System of the State of Kentucky17,611$4.40M0.04%−785−4.3%Reduced
Journey Advisory Group, LLC17,647$4.41M0.54%+1,135+6.9%Added
Gulf International Bank (UK) Ltd17,711$4.43M0.11%+116+0.7%Added
Nordea Investment Management AB18,041$4.51M0.01%+370+2.1%Added
PFG Advisors18,307$4.58M0.33%−455−2.4%Reduced
Mission Creek Capital Partners, Inc.18,425$4.61M1.20%−445−2.4%Reduced
Crossmark Global Holdings, Inc.18,437$4.61M0.09%−2,441−11.7%Reduced
Otter Creek Advisors, LLC18,500$4.63M3.25%+6,000+48.0%Added
Oregon Public Employees Retirement Fund18,547$4.64M0.09%−8,525−31.5%Reduced
First Hawaiian Bank18,574$4.64M0.14%+408+2.2%Added
Federated Hermes, Inc.18,727$4.68M0.01%−2,232−10.6%Reduced
Schwab Charitable Fund18,740$4.69M0.15%00.0%Unchanged
Gotham Asset Management, LLC19,040$4.76M0.07%−1,068−5.3%Reduced
TD Private Client Wealth LLC19,177$4.80M0.16%+1,625+9.3%Added
Sheaff Brock Investment Advisors, LLC19,181$4.80M0.38%+793+4.3%Added
Susquehanna Portfolio Strategies, LLC19,297$4.83M0.11%00.0%Unchanged
Duncker Streett & Co Inc19,442$4.86M0.96%+16,842+647.8%Added
Stratos Wealth Partners, LTD.19,719$4.93M0.08%+89+0.5%Added
Central Trust Co19,727$4.93M0.12%+1,298+7.0%Added
Elo Mutual Pension Insurance Co19,727$4.93M0.12%+912+4.8%Added
Prime Capital Investment Advisors, LLC19,758$4.94M0.07%+228+1.2%Added
Ballew Advisors, Inc20,739$4.98M3.43%+18+0.1%Added
Sumitomo Mitsui DS Asset Management Company, Ltd20,126$5.03M0.06%+141+0.7%Added
First American Bank20,735$5.18M0.39%+42+0.2%Added
Torray LLC20,924$5.23M0.78%−40−0.2%Reduced
Brookmont Capital Management21,810$5.45M2.87%−256−1.2%Reduced
Flputnam Investment Management Co21,938$5.49M0.12%+1,069+5.1%Added
CWM, LLC22,016$5.50M0.03%−978−4.3%Reduced
Miura Global Management, LLC22,500$5.63M4.80%−12,500−35.7%Reduced
Atlantic Union Bankshares Corp22,632$5.66M0.48%−1,664−6.8%Reduced
Family Legacy, Inc.23,012$5.75M2.07%−1,760−7.1%Reduced