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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 2023

Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 2023. 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
999
+37 vs. Q2 2023
Shares held
185.3M
+3.13M (+1.7%) vs. Q2 2023
Total value
$42.3B
+$2.36B (+5.9%) vs. Q2 2023
New holders
95
374 more added
Sold out
58
350 more reduced

14 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 999 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 heldQ3 2023: $42.3B
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 20251,341$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, Q3 2023

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2023.

Institutions holding AJG in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vident Investment Advisory, LLC0$00.00%−49,530−100.0%Sold out
Andra AP-fonden0$00.00%−41,200−100.0%Sold out
Crestline Management, LP0$00.00%−28,000−100.0%Sold out
Renaissance Technologies LLC0$00.00%−20,800−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−17,414−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−14,392−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−14,153−100.0%Sold out
Trexquant Investment LP0$00.00%−14,059−100.0%Sold out
Ergoteles LLC0$00.00%−12,868−100.0%Sold out
FDx Advisors, Inc.0$00.00%−12,107−100.0%Sold out
Capital Fund Management S.A.0$00.00%−11,615−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−10,766−100.0%Sold out
Segall Bryant & Hamill, LLC0$00.00%−9,300−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−8,968−100.0%Sold out
Magnetar Financial LLC0$00.00%−8,183−100.0%Sold out
K.J. Harrison & Partners Inc0$00.00%−8,100−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−5,844−100.0%Sold out
Veritable, L.P.0$00.00%−5,612−100.0%Sold out
Cipher Capital LP0$00.00%−5,542−100.0%Sold out
Teza Capital Management LLC0$00.00%−4,991−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−4,311−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−4,051−100.0%Sold out
MQS Management LLC0$00.00%−3,657−100.0%Sold out
Citizens Financial Group Inc0$00.00%−3,644−100.0%Sold out
Stelac Advisory Services LLC0$00.00%−3,629−100.0%Sold out
Levin Capital Strategies, L.P.0$00.00%−3,000−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−2,809−100.0%Sold out
EHP Funds Inc.0$00.00%−2,430−100.0%Sold out
Commerzbank Aktiengesellschaft0$00.00%−2,382−100.0%Sold out
Oversea-Chinese Banking CORP Ltd0$00.00%−2,358−100.0%Sold out
M Holdings Securities, Inc.0$00.00%−2,341−100.0%Sold out
Quantamental Technologies LLC0$00.00%−2,292−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−2,252−100.0%Sold out
Baker Tilly Wealth Management, LLC0$00.00%−1,567−100.0%Sold out
Harel Insurance Investments & Financial Services Ltd.0$00.00%−1,486−100.0%Sold out
FORA Capital, LLC0$00.00%−1,359−100.0%Sold out
Prossimo Advisors, LLC0$00.00%−1,290−100.0%Sold out
Transform Wealth, LLC0$00.00%−1,086−100.0%Sold out
Machina Capital S.A.S.0$00.00%−1,055−100.0%Sold out
V Wealth Advisors LLC0$00.00%−1,029−100.0%Sold out
Johnson Investment Counsel Inc0$00.00%−1,026−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−1,026−100.0%Sold out
Summit X, LLC0$00.00%−953−100.0%Sold out
Skandinaviska Enskilda Banken AB (publ)0$00.00%−904−100.0%Sold out
WealthPLAN Partners, LLC0$00.00%−292−100.0%Sold out
Clear Street Markets LLC0$00.00%−280−100.0%Sold out
Safeguard Financial, LLC0$00.00%−102−100.0%Sold out
Okabena Investment Services Inc0$00.00%−75−100.0%Sold out
Your Advocates Ltd., LLP0$00.00%−75−100.0%Sold out
Quarry LP0$00.00%−43−100.0%Sold out
CVA Family Office, LLC0$00.00%−40−100.0%Sold out
Horan Securities, Inc.0$00.00%−21−100.0%Sold out
Chilton Capital Management LLC0$00.00%−16−100.0%Sold out
Intrepid Capital Management Inc0$00.00%−15−100.0%Sold out
Fiduciary Alliance LLC0$00.00%−10−100.0%Sold out
ICA Group Wealth Management, LLC0$00.00%−6−100.0%Sold out
PEAK6 Investments LLC0$00.00%−2−100.0%Sold out
Pictet Asset Management SA––––Not filed
BMS Financial Advisors, LLC––––Not filed
Tiaa, FSB––––Not filed
Montchanin Asset Management, LLC––––Not filed
Clarus Wealth Advisors––––Not filed
EA Series Trust––––Not filed
44 Wealth Management LLC––––Not filed
BerganKDV Wealth Management, LLC––––Not filed
Lumature Wealth Partners, LLC––––Not filed
BDO Wealth Advisors, LLC––––Not filed
First Capital Advisors Group, LLC.––––Not filed
Vigilant Capital Management, LLC––––Not filed
First Command Bank––––Not filed
First Command Financial Services, Inc.––––Not filed