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 2025
Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 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
- 1,341
- −21 vs. Q2 2025
- Shares held
- 225.4M
- +2.22M (+1.0%) vs. Q2 2025
- Total value
- $69.7B
- −$1.65B (−2.3%) vs. Q2 2025
- New holders
- 115
- 511 more added
- Sold out
- 136
- 487 more reduced
17 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,295 | $54.7B |
| Q1 2026 | 1,248 | $49.7B |
| Q4 2025 | 1,299 | $60.6B |
| Q3 2025 | 1,341 | $69.7B |
| Q2 2025 | 1,379 | $72.9B |
| Q1 2025 | 1,359 | $79.0B |
| Q4 2024 | 1,325 | $65.9B |
| Q3 2024 | 1,203 | $52.8B |
| Q2 2024 | 1,153 | $49.1B |
| Q1 2024 | 1,130 | $46.5B |
| Q4 2023 | 1,082 | $41.9B |
| Q3 2023 | 999 | $42.3B |
| Q2 2023 | 976 | $39.9B |
| Q1 2023 | 951 | $34.7B |
| Q4 2022 | 921 | $34.1B |
| Q3 2022 | 865 | $31.2B |
| Q2 2022 | 823 | $29.1B |
| Q1 2022 | 817 | $31.0B |
| Q4 2021 | 854 | $30.1B |
| Q3 2021 | 775 | $26.3B |
| Q2 2021 | 779 | $24.6B |
| Q1 2021 | 732 | $20.6B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Barclays PLC | 811,244 | $251.3M | 0.09% | +33,333+4.3% | Added |
| Royal Bank of Canada | 818,059 | $253.4M | 0.05% | +107,797+15.2% | Added |
| Guinness Asset Management LTD | 831,125 | $254.1M | 4.05% | −410.0% | Reduced |
| California Public Employees Retirement System | 825,828 | $255.8M | 0.15% | −32,342−3.8% | Reduced |
| UBS Group AG | 840,297 | $260.3M | 0.05% | −5,827−0.7% | Reduced |
| Deutsche Bank AG | 894,562 | $277.1M | 0.09% | +26,657+3.1% | Added |
| Baillie Gifford & Co | 908,885 | $281.5M | 0.21% | −31,643−3.4% | Reduced |
| APG Asset Management N.V. | 1,197,878 | $315.8M | 0.89% | +100.0% | Added |
| Boston Partners | 1,032,253 | $319.6M | 0.33% | +294,954+40.0% | Added |
| Alliancebernstein L.P. | 1,035,632 | $320.8M | 0.10% | −90,461−8.0% | Reduced |
| Brown Brothers Harriman & Co | 1,069,715 | $331.3M | 2.02% | −33,763−3.1% | Reduced |
| Findlay Park Partners LLP | 1,069,901 | $331.4M | 3.48% | +125,800+13.3% | Added |
| Sands Capital Management, LLC | 1,094,070 | $338.9M | 0.93% | −27,179−2.4% | Reduced |
| Massachusetts Financial Services Co | 1,333,179 | $412.9M | 0.13% | −1,401,456−51.2% | Reduced |
| Bank of New York Mellon Corp | 1,360,869 | $421.5M | 0.08% | −30,913−2.2% | Reduced |
| FIL Ltd | 1,366,380 | $423.2M | 0.33% | +155,940+12.9% | Added |
| Legal & General Group Plc | 1,385,702 | $429.2M | 0.10% | +69,208+5.3% | Added |
| Goldman Sachs Group Inc | 1,402,183 | $434.3M | 0.06% | −91,629−6.1% | Reduced |
| Envestnet Asset Management Inc | 1,414,100 | $438.0M | 0.13% | +16,882+1.2% | Added |
| UBS Asset Management Americas Inc | 1,524,561 | $472.2M | 0.10% | −260,248−14.6% | Reduced |
| Capital Research Global Investors | 1,540,553 | $477.2M | 0.09% | −4,261−0.3% | Reduced |
| Bank of America Corp | 1,565,997 | $485.1M | 0.04% | +102,118+7.0% | Added |
| Janus Henderson Group PLC | 1,630,287 | $505.1M | 0.23% | +81,996+5.3% | Added |
| Invesco Ltd. | 1,647,624 | $510.3M | 0.08% | −707,008−30.0% | Reduced |
| Charles Schwab Investment Management Inc | 2,028,958 | $628.5M | 0.10% | −7,836−0.4% | Reduced |
| Northern Trust Corp | 2,317,351 | $717.8M | 0.09% | −30,992−1.3% | Reduced |
| WCM Investment Management, LLC | 2,431,998 | $743.5M | 1.55% | −32,664−1.3% | Reduced |
| Brown Advisory Inc | 2,517,922 | $779.9M | 1.02% | +231,124+10.1% | Added |
| T. Rowe Price Investment Management, Inc. | 2,634,040 | $815.9M | 0.50% | +2,495,881+1,806.5% | Added |
| Principal Financial Group Inc | 2,866,786 | $888.0M | 0.45% | +593,483+26.1% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 3,107,390 | $962.5M | 0.69% | +725,555+30.5% | Added |
| Wellington Management Group LLP | 3,270,807 | $1.01B | 0.18% | +395,304+13.7% | Added |
| Geode Capital Management, LLC | 6,002,006 | $1.85B | 0.12% | +90,546+1.5% | Added |
| Capital International Investors | 7,194,743 | $2.23B | 0.36% | +45,256+0.6% | Added |
| Morgan Stanley | 8,585,790 | $2.66B | 0.16% | +1,493,137+21.1% | Added |
| State Street Corp | 10,891,080 | $3.37B | 0.12% | +147,587+1.4% | Added |
| Capital World Investors | 11,783,119 | $3.65B | 0.50% | +101,298+0.9% | Added |
| FMR LLC | 12,532,601 | $3.88B | 0.20% | −530,592−4.1% | Reduced |
| BlackRock, Inc. | 18,563,980 | $5.75B | 0.10% | −419,087−2.2% | Reduced |
| JPMorgan Chase & Co | 20,338,533 | $6.30B | 0.40% | +3,330,205+19.6% | Added |
| Vanguard Group Inc | 31,173,310 | $9.66B | 0.14% | +76,768+0.2% | Added |
| Winslow Capital Management, LLC | 0 | $0 | 0.00% | −828,466−100.0% | Sold out |
| Viking Global Investors LPSuperinvestorViking Global Investors | 0 | $0 | 0.00% | −725,795−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −363,575−100.0% | Sold out |
| Axiom Investors LLC | 0 | $0 | 0.00% | −197,748−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −107,482−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −104,807−100.0% | Sold out |
| Fortress Investment Group LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −74,271−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −73,201−100.0% | Sold out |
| Kingdon Capital Management, L.L.C. | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Railway Pension Investments Ltd | 0 | $0 | 0.00% | −42,900−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −38,482−100.0% | Sold out |
| Cooper Investors Pty Ltd | 0 | $0 | 0.00% | −33,884−100.0% | Sold out |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −31,967−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −31,516−100.0% | Sold out |
| Capitolis Liquid Global Markets LLC | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |
| Marsico Capital Management LLC | 0 | $0 | 0.00% | −21,347−100.0% | Sold out |
| Gillson Capital LP | 0 | $0 | 0.00% | −18,722−100.0% | Sold out |
| Silvant Capital Management LLC | 0 | $0 | 0.00% | −18,441−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −17,895−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −16,389−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −15,330−100.0% | Sold out |
| Triasima Portfolio Management inc. | 0 | $0 | 0.00% | −15,077−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −13,341−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −13,265−100.0% | Sold out |
| AlphaStar Capital Management, LLC | 0 | $0 | 0.00% | −12,454−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −11,962−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −11,561−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −11,473−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −11,432−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −11,100−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −10,711−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −10,438−100.0% | Sold out |
| DMKC Advisory Services, LLC | 0 | $0 | 0.00% | −10,307−100.0% | Sold out |
| Anthracite Investment Company, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −9,181−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −7,548−100.0% | Sold out |
| VCI Wealth Management LLC | 0 | $0 | 0.00% | −6,671−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −5,750−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −5,226−100.0% | Sold out |
| K.J. Harrison & Partners Inc | 0 | $0 | 0.00% | −5,104−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −4,931−100.0% | Sold out |
| Hanlon Investment Management, Inc. | 0 | $0 | 0.00% | −4,733−100.0% | Sold out |
| Union Bancaire Privee, UBP SA | 0 | $0 | 0.00% | −5,710−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −4,372−100.0% | Sold out |
| Morningstar Investment Management LLC | 0 | $0 | 0.00% | −3,964−100.0% | Sold out |
| Clarus Wealth Advisors | 0 | $0 | 0.00% | −3,971−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −3,822−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −3,600−100.0% | Sold out |
| CTC Alternative Strategies, Ltd. | 0 | $0 | 0.00% | −3,360−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −3,016−100.0% | Sold out |
| Williamson Legacy Group, LLC | 0 | $0 | 0.00% | −2,985−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −2,839−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −2,742−100.0% | Sold out |
| Eschler Asset Management LLP | 0 | $0 | 0.00% | −2,713−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −2,700−100.0% | Sold out |
| V-Square Quantitative Management LLC | 0 | $0 | 0.00% | −2,539−100.0% | Sold out |
| Petra Financial Advisors Inc | 0 | $0 | 0.00% | −2,537−100.0% | Sold out |