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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
1,359
+57 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
178
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
Boston Private Wealth LLC0$00.00%−8,810−100.0%Sold out
BTG Pactual Asset Management US LLC0$00.00%−7,435−100.0%Sold out
Littlejohn Financial Services, Inc.0$00.00%−7,346−100.0%Sold out
Brendel Financial Advisors LLC0$00.00%−7,237−100.0%Sold out
Troluce Capital Advisors LLC0$00.00%−6,460−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−5,770−100.0%Sold out
Mount Lucas Management LP0$00.00%−5,584−100.0%Sold out
Bleakley Financial Group, LLC0$00.00%−5,561−100.0%Sold out
Anfield Capital Management, LLC0$00.00%−5,466−100.0%Sold out
Engineers Gate Manager LP0$00.00%−5,398−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−5,057−100.0%Sold out
HBK Investments L P0$00.00%−5,000−100.0%Sold out
Farringdon Capital, Ltd.0$00.00%−4,612−100.0%Sold out
Qsemble Capital Management, LP0$00.00%−4,383−100.0%Sold out
Ibex Wealth Advisors0$00.00%−4,097−100.0%Sold out
Agf Management Ltd0$00.00%−4,066−100.0%Sold out
RMB Capital Management, LLC0$00.00%−3,923−100.0%Sold out
WSFS Capital Management, LLC0$00.00%−3,575−100.0%Sold out
Canada Post Corp Registered Pension Plan0$00.00%−3,529−100.0%Sold out
Oxford Asset Management LLP0$00.00%−2,651−100.0%Sold out
Atom Investors LP0$00.00%−2,576−100.0%Sold out
Plan A Wealth LLC0$00.00%−2,486−100.0%Sold out
Tyche Wealth Partners LLC0$00.00%−2,067−100.0%Sold out
Symmetry Investments LP0$00.00%−2,000−100.0%Sold out
Settian Capital LP0$00.00%−2,000−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−1,736−100.0%Sold out
FFT Wealth Management LLC0$00.00%−1,569−100.0%Sold out
Marex Group plc0$00.00%−1,473−100.0%Sold out
Two Sigma Investments, LP0$00.00%−1,346−100.0%Sold out
ASB Consultores, LLC0$00.00%−1,278−100.0%Sold out
FORA Capital, LLC0$00.00%−1,247−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−1,236−100.0%Sold out
Diametric Capital, LP0$00.00%−1,196−100.0%Sold out
Jump Financial, LLC0$00.00%−1,166−100.0%Sold out
Axq Capital, LP0$00.00%−979−100.0%Sold out
BCJ Capital Management, LLC0$00.00%−977−100.0%Sold out
LGL Partners, LLC0$00.00%−892−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−888−100.0%Sold out
Investment Advisory Services Inc0$00.00%−857−100.0%Sold out
Flow Traders U.S. LLC0$00.00%−850−100.0%Sold out
JT Stratford LLC0$00.00%−834−100.0%Sold out
Trust Point Inc.0$00.00%−791−100.0%Sold out
Kavar Capital Partners Group, LLC0$00.00%−789−100.0%Sold out
Braun-Bostich & Associates Inc.0$00.00%−756−100.0%Sold out
Fisher Asset Management, LLC0$00.00%−755−100.0%Sold out
Wealthcare Advisory Partners LLC0$00.00%−722−100.0%Sold out
Consolidated Planning Corp0$00.00%−716−100.0%Sold out
Empirical Asset Management, LLC0$00.00%−710−100.0%Sold out
Stance Capital LLC0$00.00%−570−100.0%Sold out
Advisors Asset Management, Inc.0$00.00%−478−100.0%Sold out
Catalyst Capital Advisors LLC0$00.00%−363−100.0%Sold out
Tobam0$00.00%−325−100.0%Sold out
Venturi Wealth Management, LLC0$00.00%−250−100.0%Sold out
EnRich Financial Partners LLC0$00.00%−239−100.0%Sold out
Intact Investment Management Inc.0$00.00%−200−100.0%Sold out
Roxbury Financial LLC0$00.00%−155−100.0%Sold out
Oarsman Capital, Inc.0$00.00%−153−100.0%Sold out
Ofi Invest Asset Management0$00.00%−152−100.0%Sold out
Transcendent Capital Group LLC0$00.00%−140−100.0%Sold out
Financial Life Planners0$00.00%−128−100.0%Sold out
MRP Capital Investments, LLC0$00.00%−100−100.0%Sold out
Westside Investment Management, Inc.0$00.00%−39−100.0%Sold out
Operose Advisors LLC0$00.00%−36−100.0%Sold out
FLP Wealth Management, LLC0$00.00%−24−100.0%Sold out
Solstein Capital, LLC0$00.00%−20−100.0%Sold out
Winch Advisory Services, LLC0$00.00%−19−100.0%Sold out
Eagle Bay Advisors LLC0$00.00%−13−100.0%Sold out
Mattson Financial Services, LLC0$00.00%−10−100.0%Sold out
Avalon Trust Co0$00.00%−8−100.0%Sold out
New Wave Wealth Advisors LLC0$00.00%−8−100.0%Sold out
Measured Risk Portfolios, Inc.0$00.00%−7−100.0%Sold out
Conquis Financial LLC0$00.00%−7−100.0%Sold out
FPC Investment Advisory, Inc.0$00.00%−5−100.0%Sold out
BOK Financial Private Wealth, Inc.0$00.00%−4−100.0%Sold out
Coastline Trust Co0$00.00%−4−100.0%Sold out
Sugar Maple Asset Management, LLC0$00.00%−4−100.0%Sold out
Old Second National Bank of Aurora0$00.00%−3−100.0%Sold out
Kohmann Bosshard Financial Services, LLC0$00.00%−2−100.0%Sold out
Concord Wealth Partners0$00.00%−2−100.0%Sold out
Sittner & Nelson, LLC0$00.00%−1−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
Global Retirement Partners, LLC––––Not filed
Boston Financial Mangement LLC––––Not filed
Swedbank AB––––Not filed
Geller Advisors LLC––––Not filed
TrinityPoint Wealth, LLC––––Not filed
AlphaMark Advisors, LLC––––Not filed
Montchanin Asset Management, LLC––––Not filed
Wetherby Asset Management Inc––––Not filed
Kolinsky Wealth Management, LLC––––Not filed
Strategic Wealth Partners, Ltd.––––Not filed
Edge Capital Group, LLC––––Not filed
IronOak Wealth LLC.––––Not filed
Zions Bancorporation, N.A.––––Not filed
Vise Technologies, Inc.––––Not filed
Lake Street Advisors Group, LLC––––Not filed
AlphaCentric Advisors LLC––––Not filed
Hilltop National Bank––––Not filed
Wintrust Investments LLC––––Not filed
WR Wealth Planners, LLC––––Not filed