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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 2021

Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 2021. 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
775
+8 vs. Q2 2021
Shares held
177.2M
+1.65M (+0.9%) vs. Q2 2021
Total value
$26.3B
+$1.77B (+7.2%) vs. Q2 2021
New holders
80
283 more added
Sold out
72
254 more reduced

12 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 775 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 2021: $26.3B
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 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2021.

Institutions holding AJG in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Unigestion Holding SA0$00.00%−6,899−100.0%Sold out
Hourglass Capital, LLC0$00.00%−6,410−100.0%Sold out
Verition Fund Management LLC0$00.00%−6,329−100.0%Sold out
FORA Capital, LLC0$00.00%−6,260−100.0%Sold out
CWM Advisors, LLC0$00.00%−5,871−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−5,447−100.0%Sold out
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH0$00.00%−5,349−100.0%Sold out
Quantamental Technologies LLC0$00.00%−5,152−100.0%Sold out
PEAK6 Investments LLC0$00.00%−5,124−100.0%Sold out
BP PLC0$00.00%−5,096−100.0%Sold out
Shell Asset Management Co0$00.00%−4,621−100.0%Sold out
Tuttle Tactical Management0$00.00%−4,308−100.0%Sold out
Pearl River Capital, LLC0$00.00%−4,019−100.0%Sold out
Archer Investment Corp0$00.00%−3,400−100.0%Sold out
Machina Capital S.A.S.0$00.00%−3,300−100.0%Sold out
Alphasimplex Group, LLC0$00.00%−3,129−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−3,037−100.0%Sold out
Paloma Partners Management Co0$00.00%−2,878−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−2,792−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−2,667−100.0%Sold out
Neo Ivy Capital Management0$00.00%−2,573−100.0%Sold out
Centiva Capital, LP0$00.00%−2,368−100.0%Sold out
Sequoia Financial Advisors, LLC0$00.00%−2,214−100.0%Sold out
Cetera Investment Advisers0$00.00%−1,729−100.0%Sold out
Stevens Capital Management LP0$00.00%−1,649−100.0%Sold out
NuWave Investment Management, LLC0$00.00%−1,644−100.0%Sold out
Truadvice, LLC0$00.00%−1,629−100.0%Sold out
Redpoint Investment Management Pty Ltd0$00.00%−1,562−100.0%Sold out
Standard Family Office LLC0$00.00%−1,524−100.0%Sold out
CIBC Private Wealth Group, LLC0$00.00%−1,500−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−950−100.0%Sold out
Atlas Capital Advisors LLC0$00.00%−465−100.0%Sold out
Covington Capital Management0$00.00%−420−100.0%Sold out
CenterStar Asset Management, LLC0$00.00%–Sold out
Isthmus Partners, LLC0$00.00%−240−100.0%Sold out
WealthShield Partners, LLC0$00.00%−239−100.0%Sold out
Evermay Wealth Management LLC0$00.00%−214−100.0%Sold out
Monumental Financial Group Inc.0$00.00%−204−100.0%Sold out
Red Door Wealth Management, LLC0$00.00%−108−100.0%Sold out
Enterprise Financial Services Corp0$00.00%−97−100.0%Sold out
Community Bank, N.A.0$00.00%−75−100.0%Sold out
Loring Wolcott & Coolidge Fiduciary Advisors LLP0$00.00%−31−100.0%Sold out
Investment Research & Advisory Group, Inc.0$00.00%−30−100.0%Sold out
Sterling Investment Advisors, Ltd.0$00.00%−7−100.0%Sold out
Strategic Blueprint, LLC0$00.00%−5−100.0%Sold out
Savior LLC0$00.00%−9−100.0%Sold out
Wolff Wiese Magana LLC0$00.00%−8−100.0%Sold out
PhiloSmith Capital Corp––––Not filed
Pictet Asset Management Ltd––––Not filed
CWM, LLC––––Not filed
Glenview State Bank Trust Dept.––––Not filed
Cipher Capital LP––––Not filed
First Horizon Corp––––Not filed
Quantitative Value Technologies, LLC––––Not filed
Running Oak Capital LLC––––Not filed
QS Investors, LLC––––Not filed
Castleview Partners, LLC––––Not filed
Smith Asset Management Group LP––––Not filed
Elmwood Wealth Management, Inc.––––Not filed