Arthur J Gallagher &AJG
13F holders, Q3 2025 (September 30)1,342holders −37
103new positions
133sold out
10famous investors
$309.18avg. 13F price*
At the end of Q3 2025, 1,342 institutions reported holding Arthur J Gallagher & Co. (AJG) in their 13F filings, down 37 from Q2 2025. 103 opened new positions and 133 sold out. The largest holders were Vanguard Group Inc. ($9.7B), JPMorgan Chase & Co. ($6.3B) and BlackRock, Inc. ($5.8B). 10 famous investors held it, including Jim Simons / Peter Brown (0.2% of Renaissance Technologies's portfolio), Mario Gabelli (0.1% of GAMCO Investors's portfolio) and Joel Greenblatt (0.1% of Gotham Asset Management's portfolio).
- Company
- Arthur J Gallagher & Co.
- Filed as
- GALLAGHER ARTHUR J & CO (Q3 2025)
- Sector
- Finance
- CUSIP
- 363576109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 103 | $441.8M |
| Exits | 133 | $1.0B |
All 13F filers, Q2 2025 → Q3 2025: 14,813,110 shares bought and 13,003,356 shares sold, net +1,809,754 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,342 holders
| Vanguard Group Inc. | 0.14% | Add +0.3% | 31,173,310 | $9.7B |
| JPMorgan Chase & Co. | 0.40% | Add +19.6% | 20,338,533 | $6.3B |
| BlackRock, Inc. | 0.10% | Reduce -2.2% | 18,563,980 | $5.8B |
| FMR LLC | 0.20% | Reduce -4.1% | 12,532,601 | $3.9B |
| Capital World Investors | 0.50% | Add +0.9% | 11,783,119 | $3.6B |
| State Street Corp. | 0.12% | Add +1.4% | 10,891,080 | $3.4B |
| Morgan Stanley | 0.16% | Add +21.1% | 8,585,790 | $2.7B |
| Capital International Investors | 0.36% | Add +0.6% | 7,194,743 | $2.2B |
| Geode Capital Management, LLC | 0.12% | Add +1.5% | 6,002,006 | $1.9B |
| Wellington Management Group LLP | 0.18% | Add +13.8% | 3,270,807 | $1.0B |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.69% | Add +30.5% | 3,107,390 | $962.5M |
| Principal Financial Group Inc. | 0.45% | Add +26.1% | 2,866,786 | $888.0M |
| T. Rowe Price Investment Management, Inc. | 0.50% | Add +1806.5% | 2,634,040 | $815.9M |
| Brown Advisory Inc. | 1.02% | Add +10.1% | 2,517,922 | $779.9M |
| WCM Investment Management, LLC | 1.55% | Reduce -1.3% | 2,431,998 | $743.5M |
| Northern Trust Corp. | 0.09% | Reduce -1.3% | 2,317,351 | $717.8M |
| Charles Schwab Investment Management Inc. | 0.10% | Reduce -0.4% | 2,028,958 | $628.5M |
| Invesco Ltd. | 0.08% | Reduce -30.0% | 1,647,624 | $510.3M |
| Janus Henderson Group PLC | 0.23% | Add +5.3% | 1,630,287 | $505.1M |
| Bank of America Corp. | 0.04% | Add +7.0% | 1,565,997 | $485.1M |
| Capital Research Global Investors | 0.09% | Reduce -0.3% | 1,540,553 | $477.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.10% | Reduce -14.6% | 1,524,561 | $472.2M |
| Envestnet Asset Management Inc. | 0.13% | Add +1.2% | 1,414,100 | $438.0M |
| Goldman Sachs Group Inc. | 0.06% | Reduce -6.1% | 1,402,183 | $434.3M |
| Legal & General Group Plc | 0.10% | Add +5.3% | 1,385,702 | $429.2M |
| FIL Ltd | 0.33% | Add +12.9% | 1,366,380 | $423.2M |
| Bank of New York Mellon Corp | 0.08% | Reduce -2.2% | 1,360,869 | $421.5M |
| Massachusetts Financial Services Co. | 0.13% | Reduce -51.3% | 1,333,179 | $412.9M |
| Sands Capital Management, LLC | 0.93% | Reduce -2.4% | 1,094,070 | $338.9M |
| Findlay Park Partners LLP | 3.48% | Add +13.3% | 1,069,901 | $331.4M |
| Brown Brothers Harriman & Co. | 2.02% | Reduce -3.1% | 1,069,715 | $331.3M |
| Alliancebernstein L.P. | 0.10% | Reduce -8.0% | 1,035,632 | $320.8M |
| Boston Partners | 0.33% | Add +40.0% | 1,032,253 | $319.6M |
| APG Asset Management N.V. | 0.89% | Add +0.0% | 1,197,878 | $315.8M |
| Baillie Gifford & Co. | 0.21% | Reduce -3.4% | 908,885 | $281.5M |
| Deutsche Bank AG | 0.09% | Add +3.1% | 894,562 | $277.1M |
| UBS Group AG | 0.05% | Reduce -0.7% | 840,297 | $260.3M |
| California Public Employees Retirement System | 0.15% | Reduce -3.8% | 825,828 | $255.8M |
| Guinness Asset Management LTD | 4.05% | Reduce 0.0% | 831,125 | $254.1M |
| Royal Bank of Canada | 0.05% | Add +15.2% | 818,059 | $253.4M |
| Barclays PLC | 0.09% | Add +4.3% | 811,244 | $251.3M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.23% | Reduce -8.1% | 808,952 | $250.6M |
| Chilton Investment Co. Inc. | 4.84% | Add +10.6% | 765,795 | $237.2M |
| Swiss National Bank | 0.13% | Reduce -4.6% | 738,300 | $228.7M |
| Beck Mack & Oliver LLC | 4.14% | Add +4.7% | 734,079 | $227.4M |
| Dimensional Fund Advisors LP | 0.05% | Reduce -3.9% | 695,538 | $215.4M |
| Nuveen, LLC | 0.06% | Reduce -7.3% | 686,536 | $212.6M |
| Mawer Investment Management Ltd. | 1.04% | Reduce -5.2% | 646,298 | $200.2M |
| Balyasny Asset Management L.P. | 0.40% | Reduce -18.4% | 628,509 | $194.7M |
| Raymond James Financial Inc. | 0.06% | Add +2.8% | 597,620 | $185.1M |
| Sumitomo Mitsui Trust Group, Inc. | 0.11% | Add +0.8% | 595,365 | $184.4M |
| Allianz Asset Management GmbH | 0.22% | Add +50.9% | 570,565 | $176.7M |
| Amundi | 0.06% | Reduce -38.3% | 560,869 | $173.4M |
| Bank Julius Baer & Co. Ltd, Zurich | 0.49% | Reduce -1.5% | 559,143 | $173.2M |
| HSBC Holdings PLC | 0.10% | Reduce -2.3% | 559,881 | $173.0M |
| Lord, Abbett & Co. LLC | 0.52% | Reduce -6.2% | 545,105 | $168.8M |
| Manufacturers Life Insurance Company, The | 0.14% | Reduce -32.3% | 542,875 | $168.1M |
| Unisphere Establishment | 1.31% | Add +1.4% | 537,500 | $166.5M |
| Bessemer Group Inc. | 0.25% | Reduce -0.1% | 533,333 | $165.2M |
| Global Retirement Partners, LLC | 3.49% | Add +0.1% | 503,025 | $155.8M |
| National Pension Service | 0.11% | Add +1.6% | 477,628 | $147.9M |
| CCLA Investment Management | 2.36% | Add +12.6% | 475,182 | $147.3M |
| Stonehage Fleming Financial Services Holdings Ltd | 4.06% | Add +0.5% | 462,596 | $143.3M |
| Rhumbline Advisers | 0.11% | Reduce -0.2% | 451,928 | $140.0M |
| Wells Fargo & Company | 0.03% | Reduce -6.4% | 447,567 | $138.6M |
| NorthCoast Asset Management LLC | 0.54% | Add +1.0% | 445,096 | $137.9M |
| Franklin Resources Inc. | 0.03% | Add +19.2% | 426,049 | $132.0M |
| Renaissance Technologies | 0.16% | Add +14.6% | 400,500 | $124.1M |
| Congress Asset Management Co. | 0.82% | Reduce -0.6% | 399,210 | $123.7M |
| T. Rowe Price Associates Inc. | 0.01% | Add +0.2% | 396,461 | $122.8M |
| Nomura Asset Management Co. Ltd. | 0.31% | Add +16.2% | 388,480 | $120.3M |
| TD Asset Management Inc | 0.10% | Reduce -50.4% | 388,058 | $120.2M |
| California State Teachers Retirement System | 0.12% | Reduce -0.9% | 386,510 | $119.7M |
| American Century Companies Inc. | 0.06% | Reduce -30.9% | 366,652 | $113.6M |
| Assenagon Asset Management S.A. | 0.17% | Reduce -2.0% | 361,006 | $111.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.19% | Add +10.7% | 358,048 | $110.9M |
| Regions Financial Corp. | 0.72% | Reduce -1.2% | 356,875 | $110.5M |
| Fenimore Asset Management Inc | 2.21% | Reduce -0.3% | 355,301 | $110.1M |
| BNP Paribas Financial Markets | 0.09% | Reduce -3.8% | 348,430 | $107.9M |
| Natixis Advisors, LLC | 0.15% | Add +1.6% | 335,248 | $103.8M |
| New York State Common Retirement Fund | 0.13% | Reduce -4.4% | 327,639 | $101.5M |
| Credit Agricole S A | 0.32% | — | 307,798 | $95.3M |
| Russell Investments Group, Ltd. | 0.11% | Add +29.5% | 303,854 | $94.1M |
| Zacks Investment Management | 0.73% | Reduce -0.7% | 296,878 | $92.0M |
| Adage Capital Partners Gp, L.L.C. | 0.14% | Reduce -40.7% | 293,103 | $90.8M |
| Welch & Forbes LLC | 1.09% | Reduce -0.6% | 292,770 | $90.7M |
| CIBC Private Wealth Group LLC | 0.15% | Reduce -11.1% | 273,659 | $84.8M |
| Nissay Asset Management Corp. /Japan | 0.47% | Add +122.6% | 272,527 | $84.4M |
| Westfield Capital Management Co. LP | 0.35% | Reduce -16.8% | 267,709 | $82.9M |
| CANADA LIFE ASSURANCE Co | 0.12% | Add +1.7% | 267,316 | $81.7M |
| Kornitzer Capital Management Inc. | 1.55% | Reduce -4.4% | 247,099 | $76.5M |
| Ameriprise Financial Inc. | 0.02% | Add +8.2% | 239,487 | $74.2M |
| Bank of Montreal | 0.03% | Add +5.8% | 238,322 | $73.8M |
| Welch Group, LLC | 2.74% | Add +1.1% | 226,514 | $70.2M |
| State Board of Administration of Florida Retirement System | 0.12% | Reduce -1.8% | 224,763 | $69.6M |
| Comerica Bank | 0.26% | Reduce -13.8% | 222,225 | $68.8M |
| Westwood Holdings Group Inc. | 0.50% | Reduce -6.3% | 221,751 | $68.7M |
| LPL Financial LLC | 0.02% | Reduce -8.8% | 217,909 | $67.5M |
| Eventide Asset Management, LLC | 1.10% | Add +2.9% | 216,693 | $67.1M |
| Capital International, Inc. | 0.54% | Add +24.2% | 215,889 | $66.9M |
"% of holder's portfolio" is AJG's weight in each manager's 13F, not the share of Arthur J Gallagher & Co. the manager owns.