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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, Q4 2021

Institutional positions in Arthur J. Gallagher & Co. as of Dec 31, 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
854
+92 vs. Q3 2021
Shares held
177.3M
+394.3K (+0.2%) vs. Q3 2021
Total value
$30.1B
+$3.76B (+14.3%) vs. Q3 2021
New holders
143
298 more added
Sold out
51
265 more reduced

13 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 854 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 heldQ4 2021: $30.1B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2021.

Institutions holding AJG in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Fort Pitt Capital Group, LLC556,786$94.5M3.41%−880−0.2%Reduced
Barclays PLC561,200$95.2M0.06%+47,407+9.2%Added
Parametric Portfolio Associates LLC561,973$95.3M0.05%+12,969+2.4%Added
Sumitomo Mitsui Trust Holdings, Inc.566,029$96.0M0.06%−23,420−4.0%Reduced
Cooper Investors Pty Ltd576,207$97.8M6.17%+185,240+47.4%Added
Credit Suisse AG582,211$98.8M0.08%+75,471+14.9%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main594,882$100.4M0.14%−8,843−1.5%Reduced
Goldman Sachs Group Inc607,561$103.1M0.03%+3,941+0.7%Added
Beck Mack & Oliver LLC616,911$104.7M2.49%+61,170+11.0%Added
Eaton Vance Management624,005$105.9M0.13%+32,851+5.6%Added
Nuveen Asset Management, LLC666,302$113.1M0.03%−55,490−7.7%Reduced
Deutsche Bank AG687,804$116.7M0.05%+189,958+38.2%Added
Price T Rowe Associates Inc688,464$116.8M0.01%+96,252+16.3%Added
Artisan Partners Limited Partnership739,654$125.5M0.15%+115,850+18.6%Added
Schonfeld Strategic Advisors LLC747,867$126.9M1.23%−23,004−3.0%Reduced
Lord, Abbett & Co. LLC755,234$128.1M0.29%+755,234New
Bain Capital Public Equity Management II, LLC777,094$131.8M4.82%+289,265+59.3%Added
Swiss National Bank785,805$133.3M0.08%−29,700−3.6%Reduced
Envestnet Asset Management Inc834,643$141.6M0.07%+88,394+11.8%Added
UBS Asset Management Americas Inc841,645$142.8M0.05%+21,968+2.7%Added
Dimensional Fund Advisors LP842,553$143.0M0.04%−44,685−5.0%Reduced
Royal Bank of Canada859,102$145.8M0.04%−25,002−2.8%Reduced
APG Asset Management N.V.979,965$146.2M0.25%−46,800−4.6%Reduced
Westfield Capital Management Co LP866,449$147.0M0.87%+82,865+10.6%Added
Morgan Stanley867,481$147.2M0.02%+26,883+3.2%Added
Mitsubishi UFJ Trust & Banking Corp908,195$154.1M0.32%−9,206−1.0%Reduced
Manufacturers Life Insurance Company, The956,951$162.4M0.10%+5,691+0.6%Added
Adage Capital Partners GP, L.L.C.970,903$164.7M0.30%+91,700+10.4%Added
Mawer Investment Management Ltd.1,013,895$172.0M0.77%+13,392+1.3%Added
Citadel Advisors LLC1,024,985$173.9M0.19%−368,323−26.4%Reduced
Senator Investment Group LP1,065,000$180.7M3.49%+405,000+61.4%Added
Bank of America Corp1,114,083$189.0M0.02%−72,807−6.1%Reduced
Burgundy Asset Management Ltd.1,344,639$228.1M2.23%+16,918+1.3%Added
Legal & General Group Plc1,377,769$233.8M0.07%−22,772−1.6%Reduced
California Public Employees Retirement System1,510,685$256.3M0.17%−5,600−0.4%Reduced
Bank of New York Mellon Corp1,756,486$298.0M0.05%−83,738−4.6%Reduced
FIL Ltd1,938,148$328.8M0.34%+58,114+3.1%Added
Champlain Investment Partners, LLC2,030,220$344.5M1.56%−126,527−5.9%Reduced
Northern Trust Corp2,126,567$360.8M0.06%+2,518+0.1%Added
Charles Schwab Investment Management Inc2,153,532$365.4M0.11%+1240.0%Added
Wellington Management Group LLP2,376,027$403.1M0.06%−67,505−2.8%Reduced
Findlay Park Partners LLP2,764,212$469.0M3.13%+301,102+12.2%Added
Invesco Ltd.2,812,851$477.3M0.12%+509,546+22.1%Added
Brown Brothers Harriman & Co3,428,058$581.6M3.27%−52,117−1.5%Reduced
Massachusetts Financial Services Co3,889,191$659.9M0.18%−160,503−4.0%Reduced
Geode Capital Management, LLC4,004,598$678.1M0.08%+97,773+2.5%Added
Capital International Investors5,397,092$915.7M0.19%+298,174+5.8%Added
JPMorgan Chase & Co5,791,277$982.6M0.12%+361,369+6.7%Added
Norges Bank6,911,540$1.17B0.24%+1,960,964+39.6%Added
Baillie Gifford & Co8,120,836$1.38B0.76%+43,307+0.5%Added
FMR LLC9,271,755$1.57B0.12%+88,634+1.0%Added
State Street Corp9,793,239$1.66B0.08%+311,107+3.3%Added
BlackRock Inc.16,267,719$2.76B0.07%−2,937,358−15.3%Reduced
Vanguard Group Inc24,314,580$4.13B0.09%+172,288+0.7%Added
Global Retirement Partners, LLC0$00.00%−521,602−100.0%Sold out
Shellback Capital, LP0$00.00%−214,266−100.0%Sold out
Islet Management, LP0$00.00%−145,000−100.0%Sold out
AMP Capital Investors Ltd0$00.00%−116,401−100.0%Sold out
MRJ Capital Inc0$00.00%−42,660−100.0%Sold out
Northwest & Ethical Investments L.P.0$00.00%−35,104−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−30,000−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−20,000−100.0%Sold out
Capital Fund Management S.A.0$00.00%−18,929−100.0%Sold out
SRB Corp0$00.00%−11,928−100.0%Sold out
Caption Management, LLC0$00.00%−11,700−100.0%Sold out
Shay Capital LLC0$00.00%−10,000−100.0%Sold out
Twin Tree Management, LP0$00.00%−9,161−100.0%Sold out
Sciencast Management LP0$00.00%−7,150−100.0%Sold out
Ropes Wealth Advisors LLC0$00.00%−6,716−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−5,303−100.0%Sold out
Sawgrass Asset Management LLC0$00.00%−4,768−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−4,112−100.0%Sold out
Group One Trading, L.P.0$00.00%−4,048−100.0%Sold out
Ossiam0$00.00%−3,962−100.0%Sold out
XTX Topco Ltd0$00.00%−3,418−100.0%Sold out
Meristem Family Wealth, LLC0$00.00%−3,301−100.0%Sold out
Alethea Capital Management, LLC0$00.00%−3,016−100.0%Sold out
Worldquant Millennium Advisors LLC0$00.00%−2,758−100.0%Sold out
Toews Corp0$00.00%−2,700−100.0%Sold out
Caxton Associates LP0$00.00%−2,657−100.0%Sold out
Simplex Trading, LLC0$00.00%−2,359−100.0%Sold out
Winton Group Ltd0$00.00%−2,041−100.0%Sold out
Grantham, Mayo, Van Otterloo & Co. LLC0$00.00%−2,000−100.0%Sold out
WBI Investments0$00.00%−1,963−100.0%Sold out
Levin Capital Strategies, L.P.0$00.00%−1,500−100.0%Sold out
1832 Asset Management L.P.0$00.00%−1,462−100.0%Sold out
Meeder Asset Management Inc0$00.00%−857−100.0%Sold out
Fortis Advisors, LLC0$00.00%−671−100.0%Sold out
Consolidated Planning Corp0$00.00%−649−100.0%Sold out
Liberty Wealth Management LLC0$00.00%−466−100.0%Sold out
Carderock Capital Management Inc0$00.00%−200−100.0%Sold out
Robinson Value Management, Ltd.0$00.00%−200−100.0%Sold out
Kowal Investment Group, LLC0$00.00%−195−100.0%Sold out
Ironwood Financial, llc0$00.00%−143−100.0%Sold out
Cutler Group LP0$00.00%−138−100.0%Sold out
D'Orazio & Associates, Inc.0$00.00%−101−100.0%Sold out
Prentice Wealth Management LLC0$00.00%−102−100.0%Sold out
Gerber Kawasaki Wealth & Investment Management0$00.00%−80−100.0%Sold out
Pacitti Group Inc.0$00.00%−58−100.0%Sold out
Resolute Partners Group0$00.00%−57−100.0%Sold out