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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 2022

Institutional positions in Arthur J. Gallagher & Co. as of Mar 31, 2022. 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
817
−25 vs. Q4 2021
Shares held
177.8M
+704.1K (+0.4%) vs. Q4 2021
Total value
$31.0B
+$996.9M (+3.3%) vs. Q4 2021
New holders
70
299 more added
Sold out
95
293 more reduced

12 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 817 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 2022: $31.0B
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 2022

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q4 2021.

Institutions holding AJG in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
FIL Ltd1,972,660$344.4M0.35%+34,512+1.8%Added
Champlain Investment Partners, LLC2,041,480$356.4M1.85%+11,260+0.6%Added
Northern Trust Corp2,127,754$371.5M0.07%+1,187+0.1%Added
Wellington Management Group LLP2,373,326$414.4M0.07%−2,701−0.1%Reduced
Invesco Ltd.2,552,132$445.6M0.11%−260,719−9.3%Reduced
Findlay Park Partners LLP2,764,212$482.6M3.64%00.0%Unchanged
Brown Brothers Harriman & Co3,468,580$605.6M4.28%+40,522+1.2%Added
Massachusetts Financial Services Co4,072,013$711.0M0.21%+182,822+4.7%Added
Geode Capital Management, LLC4,217,675$734.8M0.09%+213,077+5.3%Added
Capital International Investors5,385,088$940.2M0.21%−12,004−0.2%Reduced
Baillie Gifford & Co7,418,589$1.30B0.91%−702,247−8.6%Reduced
Norges Bank7,657,802$1.34B0.29%+746,262+10.8%Added
JPMorgan Chase & Co8,346,332$1.46B0.19%+2,555,055+44.1%Added
FMR LLC9,352,217$1.63B0.13%+80,462+0.9%Added
State Street Corp9,771,098$1.71B0.08%−22,141−0.2%Reduced
BlackRock Inc.16,065,209$2.80B0.08%−202,510−1.2%Reduced
Vanguard Group Inc24,846,924$4.34B0.10%+532,344+2.2%Added
Senator Investment Group LP0$00.00%−1,065,000−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−135,000−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−129,577−100.0%Sold out
Marshall Wace, LLP0$00.00%−101,673−100.0%Sold out
Philadelphia Financial Management of San Francisco, LLC0$00.00%−94,622−100.0%Sold out
Squarepoint Ops LLC0$00.00%−30,199−100.0%Sold out
ETF Managers Group, LLC0$00.00%−29,326−100.0%Sold out
Advisors Asset Management, Inc.0$00.00%−19,773−100.0%Sold out
Allstate Corp0$00.00%−18,785−100.0%Sold out
Richard Bernstein Advisors LLC0$00.00%−16,854−100.0%Sold out
Full18 Capital LLC0$00.00%−14,914−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−14,526−100.0%Sold out
PEAK6 Investments LLC0$00.00%−14,009−100.0%Sold out
Aquila Investment Management LLC0$00.00%−13,000−100.0%Sold out
Trexquant Investment LP0$00.00%−10,139−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−10,059−100.0%Sold out
AlphaCrest Capital Management LLC0$00.00%−9,890−100.0%Sold out
Polar Asset Management Partners Inc.0$00.00%−8,481−100.0%Sold out
Jag Capital Management, LLC0$00.00%−8,240−100.0%Sold out
Paradigm Financial Partners, LLC0$00.00%−7,606−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−6,873−100.0%Sold out
Gyon Technologies Capital Management, LP0$00.00%−6,873−100.0%Sold out
Integrated Advisors Network LLC0$00.00%−6,226−100.0%Sold out
Wright Investors Service Inc0$00.00%−5,738−100.0%Sold out
Weiss Multi-Strategy Advisers LLC0$00.00%−5,385−100.0%Sold out
Quantamental Technologies LLC0$00.00%−4,834−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−4,715−100.0%Sold out
Baker Tilly Wealth Management, LLC0$00.00%−4,691−100.0%Sold out
Hancock Whitney Investment Services Inc.0$00.00%−4,657−100.0%Sold out
First National Bank of Omaha0$00.00%−4,661−100.0%Sold out
Walleye Trading LLC0$00.00%−4,580−100.0%Sold out
Fisher Asset Management, LLC0$00.00%−4,343−100.0%Sold out
DRW Securities, LLC0$00.00%−3,936−100.0%Sold out
FORA Capital, LLC0$00.00%−3,645−100.0%Sold out
Summit X, LLC0$00.00%−3,570−100.0%Sold out
Pensionfund DSM Netherlands0$00.00%−3,500−100.0%Sold out
Allen Capital Group, LLC0$00.00%−3,389−100.0%Sold out
Csenge Advisory Group0$00.00%−4,069−100.0%Sold out
KC Investment Advisors, LLC0$00.00%−2,875−100.0%Sold out
HBK Sorce Advisory LLC0$00.00%−2,708−100.0%Sold out
Sterling Investment Counsel, LLC0$00.00%−2,565−100.0%Sold out
Walleye Capital LLC0$00.00%−2,483−100.0%Sold out
Laurion Capital Management LP0$00.00%−2,329−100.0%Sold out
Agf Investments Inc.0$00.00%−2,244−100.0%Sold out
MBB Public Markets I LLC0$00.00%−2,042−100.0%Sold out
Pluribus Labs, LLC0$00.00%−1,831−100.0%Sold out
Tributary Capital Management, LLC0$00.00%−1,750−100.0%Sold out
Bridges Investment Management Inc0$00.00%−1,600−100.0%Sold out
Continuum Advisory, LLC0$00.00%−1,451−100.0%Sold out
Engine No. 1 LLC0$00.00%−1,420−100.0%Sold out
Modera Wealth Management, LLC0$00.00%−1,408−100.0%Sold out
Pearl River Capital, LLC0$00.00%−1,385−100.0%Sold out
Aigen Investment Management, LP0$00.00%−1,376−100.0%Sold out
Charter Trust Co0$00.00%−1,358−100.0%Sold out
Putnam Investments LLC0$00.00%−1,338−100.0%Sold out
Cornerstone Wealth Management, LLC0$00.00%−1,280−100.0%Sold out
Reynders McVeigh Capital Management, LLC0$00.00%−1,254−100.0%Sold out
Ironwood Investment Counsel, LLC0$00.00%−1,239−100.0%Sold out
Spinnaker Trust0$00.00%−1,200−100.0%Sold out
Carnegie Capital Asset Management, LLC0$00.00%−1,200−100.0%Sold out
Cedrus LLC0$00.00%−1,193−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−1,100−100.0%Sold out
GraniteShares Advisors LLC0$00.00%−1,003−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−957−100.0%Sold out
Trust Co of Vermont0$00.00%−925−100.0%Sold out
Capital Analysts, LLC0$00.00%−861−100.0%Sold out
Investmark Advisory Group LLC0$00.00%−729−100.0%Sold out
Tobam0$00.00%−649−100.0%Sold out
Mystic Asset Management, Inc.0$00.00%−650−100.0%Sold out
Harvest Fund Management Co., Ltd0$00.00%−403−100.0%Sold out
Shore Point Advisors, LLC0$00.00%−330−100.0%Sold out
Loring Wolcott & Coolidge Fiduciary Advisors LLP0$00.00%−300−100.0%Sold out
Snowden Capital Advisors LLC0$00.00%−244−100.0%Sold out
Fuller & Thaler Asset Management, Inc.0$00.00%−130−100.0%Sold out
McDonald Partners LLC0$00.00%−128−100.0%Sold out
Absolute Capital Management, LLC0$00.00%−128−100.0%Sold out
Enterprise Trust & Investment Co0$00.00%−100−100.0%Sold out
Delta Asset Management LLC0$00.00%−92−100.0%Sold out
Neo Ivy Capital Management0$00.00%−76−100.0%Sold out
Truvestments Capital LLC0$00.00%−69−100.0%Sold out
Amplius Wealth Advisors, LLC0$00.00%−72−100.0%Sold out
Eagle Bay Advisors LLC0$00.00%−60−100.0%Sold out
Lee Financial Co0$00.00%−49−100.0%Sold out