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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
Millennium Management LLC30,004$7.50M0.01%+9,179+44.1%Added
Renaissance Investment Group LLC29,907$7.48M1.72%+3,485+13.2%Added
Sit Investment Associates Inc29,634$7.41M0.17%−277−0.9%Reduced
Private Advisor Group, LLC29,501$7.38M0.05%−5,815−16.5%Reduced
Ieq Capital, LLC29,345$7.34M0.11%+551+1.9%Added
O'Shaughnessy Asset Management, LLC29,149$7.29M0.08%+1,191+4.3%Added
CAPROCK Group, Inc.29,146$7.29M0.42%−197−0.7%Reduced
James Investment Research Inc29,129$7.28M0.87%−2,868−9.0%Reduced
Ayrshire Capital Management LLC29,038$7.26M3.93%+39+0.1%Added
Koss-Olinger Consulting, LLC29,038$7.26M3.93%+29,038New
First Citizens Bank & Trust Co28,469$7.12M0.14%+4,089+16.8%Added
Mutual of America Capital Management LLC28,424$7.11M0.08%−454−1.6%Reduced
Commonwealth Equity Services, LLC28,270$7.07M0.01%−1,022−3.5%Reduced
Ethic Inc.27,787$6.95M0.18%+578+2.1%Added
Fifth Third Bancorp27,391$6.85M0.03%+2,721+11.0%Added
ING Groep NV27,336$6.84M0.05%+17,133+167.9%Added
Jackson Wealth Management, LLC27,096$6.78M0.85%+474+1.8%Added
Pacer Advisors, Inc.26,949$6.74M0.02%−4,203−13.5%Reduced
Bank of Nova Scotia26,895$6.72M0.01%+171+0.6%Added
SpiderRock Advisors, LLC26,055$6.61M0.21%+26,055New
Snowden Capital Advisors LLC25,713$6.43M0.20%+453+1.8%Added
Bollard Group LLC25,604$6.40M0.19%+56+0.2%Added
Atria Investments LLC25,161$6.29M0.09%+1,499+6.3%Added
Vontobel Holding Ltd.24,917$6.23M0.05%+623+2.6%Added
Silvant Capital Management LLC24,752$6.19M0.30%−6,796−21.5%Reduced
KG&L Capital Management,LLC24,724$6.18M2.46%−692−2.7%Reduced
Janney Montgomery Scott LLC24,443$6.11M0.02%+2,031+9.1%Added
Bradley Foster & Sargent Inc24,290$6.07M0.11%−4,101−14.4%Reduced
New Vernon Investment Management LLC24,282$6.07M5.16%00.0%Unchanged
Commerce Bank23,285$5.82M0.04%−1,914−7.6%Reduced
Family Legacy, Inc.23,012$5.75M2.07%−1,760−7.1%Reduced
Atlantic Union Bankshares Corp22,632$5.66M0.48%−1,664−6.8%Reduced
Miura Global Management, LLC22,500$5.63M4.80%−12,500−35.7%Reduced
CWM, LLC22,016$5.50M0.03%−978−4.3%Reduced
Flputnam Investment Management Co21,938$5.49M0.12%+1,069+5.1%Added
Brookmont Capital Management21,810$5.45M2.87%−256−1.2%Reduced
Torray LLC20,924$5.23M0.78%−40−0.2%Reduced
First American Bank20,735$5.18M0.39%+42+0.2%Added
Sumitomo Mitsui DS Asset Management Company, Ltd20,126$5.03M0.06%+141+0.7%Added
Ballew Advisors, Inc20,739$4.98M3.43%+18+0.1%Added
Prime Capital Investment Advisors, LLC19,758$4.94M0.07%+228+1.2%Added
Elo Mutual Pension Insurance Co19,727$4.93M0.12%+912+4.8%Added
Central Trust Co19,727$4.93M0.12%+1,298+7.0%Added
Stratos Wealth Partners, LTD.19,719$4.93M0.08%+89+0.5%Added
Duncker Streett & Co Inc19,442$4.86M0.96%+16,842+647.8%Added
Susquehanna Portfolio Strategies, LLC19,297$4.83M0.11%00.0%Unchanged
Sheaff Brock Investment Advisors, LLC19,181$4.80M0.38%+793+4.3%Added
TD Private Client Wealth LLC19,177$4.80M0.16%+1,625+9.3%Added
Gotham Asset Management, LLC19,040$4.76M0.07%−1,068−5.3%Reduced
Schwab Charitable Fund18,740$4.69M0.15%00.0%Unchanged
Federated Hermes, Inc.18,727$4.68M0.01%−2,232−10.6%Reduced
First Hawaiian Bank18,574$4.64M0.14%+408+2.2%Added
Oregon Public Employees Retirement Fund18,547$4.64M0.09%−8,525−31.5%Reduced
Otter Creek Advisors, LLC18,500$4.63M3.25%+6,000+48.0%Added
Crossmark Global Holdings, Inc.18,437$4.61M0.09%−2,441−11.7%Reduced
Mission Creek Capital Partners, Inc.18,425$4.61M1.20%−445−2.4%Reduced
PFG Advisors18,307$4.58M0.33%−455−2.4%Reduced
Nordea Investment Management AB18,041$4.51M0.01%+370+2.1%Added
Gulf International Bank (UK) Ltd17,711$4.43M0.11%+116+0.7%Added
Journey Advisory Group, LLC17,647$4.41M0.54%+1,135+6.9%Added
Teachers Retirement System of the State of Kentucky17,611$4.40M0.04%−785−4.3%Reduced
Geneos Wealth Management Inc.17,361$4.34M0.20%+565+3.4%Added
JustInvest LLC17,016$4.25M0.09%+2,401+16.4%Added
CIBC World Markets Inc.17,011$4.25M0.01%+108+0.6%Added
Triasima Portfolio Management inc.16,942$4.24M0.36%−6,165−26.7%Reduced
Dorsey Wright & Associates16,706$4.18M1.09%+155+0.9%Added
Keebeck Wealth Management, LLC16,667$4.17M0.61%−91−0.5%Reduced
BFSG, LLC16,587$4.15M0.55%−75−0.5%Reduced
Duality Advisers, LP16,520$4.13M0.41%+16,520New
Barbara Oil Co.16,500$4.13M1.74%00.0%Unchanged
Kentucky Retirement Systems16,464$4.12M0.12%−810−4.7%Reduced
Romano Brothers and Company16,263$4.07M0.56%+214+1.3%Added
Legacy Wealth Management, LLC15,811$3.95M1.78%−40−0.3%Reduced
Walleye Capital LLC15,607$3.90M0.04%−27,730−64.0%Reduced
Maryland State Retirement & Pension System16,821$3.89M0.08%+343+2.1%Added
Freedom Day Solutions, LLC15,156$3.79M1.34%+690+4.8%Added
GAM Holding AG15,122$3.78M0.27%+50+0.3%Added
Swiss Life Asset Management Ltd15,098$3.78M0.05%−25,792−63.1%Reduced
Cornerstone Advisors, LLC15,000$3.75M0.16%00.0%Unchanged
CenterBook Partners LP14,843$3.71M0.26%−5,778−28.0%Reduced
Avantax Advisory Services, Inc.14,706$3.68M0.03%+228+1.6%Added
First Trust Advisors LP14,632$3.66M0.00%−52,629−78.2%Reduced
Transamerica Financial Advisors, Inc.14,611$3.65M0.37%+13,275+993.6%Added
Oxbow Advisors, LLC14,497$3.62M0.50%+156+1.1%Added
Candriam Luxembourg S.C.A.14,352$3.59M0.02%+393+2.8%Added
Gunderson Capital Management Inc.14,101$3.53M1.64%+4,851+52.4%Added
Hartford Investment Management Co14,060$3.52M0.12%−546−3.7%Reduced
Synovus Financial Corp14,041$3.51M0.05%+246+1.8%Added
Pittenger & Anderson Inc13,814$3.45M0.14%+13,814New
Trust Co of Toledo NA13,804$3.45M0.54%−295−2.1%Reduced
Cox Capital Mgt LLC13,624$3.41M2.10%−406−2.9%Reduced
Legato Capital Management LLC13,495$3.37M0.41%00.0%Unchanged
Nelson Capital Management, LLC13,276$3.32M0.63%+9,153+222.0%Added
Swedbank AB13,187$3.30M0.00%+1,619+14.0%Added
Illinois Municipal Retirement Fund12,907$3.23M0.05%00.0%Unchanged
Brookstone Capital Management12,851$3.21M0.06%+5,308+70.4%Added
Prescott Group Capital Management, L.L.C.12,847$3.21M0.52%+4,500+53.9%Added
Cerity Partners LLC12,844$3.21M0.01%+5,431+73.3%Added
Securian Asset Management, Inc12,760$3.19M0.09%−938−6.8%Reduced
Levy Wealth Management Group, LLC14,172$3.19M0.89%00.0%Unchanged