Arthur J Gallagher &AJG
13F holders, Q1 2026 (March 31)1,248holders −51
133new positions
181sold out
10famous investors
$216.25avg. 13F price*
At the end of Q1 2026, 1,248 institutions reported holding Arthur J Gallagher & Co. (AJG) in their 13F filings, down 51 from Q4 2025. 133 opened new positions and 181 sold out. The largest holders were JPMorgan Chase & Co. ($4.2B), BlackRock, Inc. ($4.2B) and Vanguard Capital Management LLC ($3.6B). 10 famous investors held it, including Andreas Halvorsen (0.4% of Viking Global Investors's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and John W. Rogers Jr. (0.0% of Ariel Investments's portfolio).
- Company
- Arthur J Gallagher & Co.
- Filed as
- GALLAGHER ARTHUR J & CO (Q1 2026)
- Sector
- Finance
- CUSIP
- 363576109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 133 | $1.9B |
| Exits | 181 | $777.8M |
All 13F filers, Q4 2025 → Q1 2026: 28,437,106 shares bought and 25,125,076 shares sold, net +3,312,030 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,248 holders
| JPMorgan Chase & Co. | 0.29% | Reduce -3.7% | 19,568,047 | $4.2B |
| BlackRock, Inc. | 0.07% | Add +0.3% | 19,307,796 | $4.2B |
| Vanguard Capital Management LLC | 0.09% | — | 16,699,898 | $3.6B |
| FMR LLC | 0.17% | Reduce -3.2% | 14,620,963 | $3.2B |
| Capital World Investors | 0.41% | Add +9.6% | 13,817,720 | $3.0B |
| Vanguard Portfolio Management LLC | 0.14% | — | 12,419,279 | $2.7B |
| State Street Corp. | 0.08% | Add +0.2% | 10,973,921 | $2.4B |
| Dodge & Cox | 0.88% | Add +735.2% | 7,354,915 | $1.6B |
| Geode Capital Management, LLC | 0.08% | Add +3.8% | 6,243,640 | $1.4B |
| Morgan Stanley | 0.05% | Reduce -47.8% | 4,056,175 | $878.5M |
| Principal Financial Group Inc. | 0.38% | Add +14.4% | 3,242,088 | $702.2M |
| Capital Research Global Investors | 0.10% | Add +92.5% | 2,980,131 | $645.4M |
| Eagle Capital Management LLC | 1.94% | New | 2,665,572 | $577.3M |
| Capital International Investors | 0.13% | Reduce -58.7% | 2,596,653 | $562.3M |
| Wellington Management Group LLP | 0.10% | Reduce -12.9% | 2,583,359 | $559.5M |
| GTCR LLC | 13.60% | New | 2,373,773 | $514.1M |
| WCM Investment Management, LLC | 1.16% | Reduce -0.8% | 2,362,513 | $510.2M |
| Northern Trust Corp. | 0.06% | Reduce -0.0% | 2,229,829 | $482.9M |
| Charles Schwab Investment Management Inc. | 0.07% | Add +3.2% | 2,109,463 | $457.2M |
| Janus Henderson Group PLC | 0.20% | Add +5.4% | 1,970,990 | $426.9M |
| Franklin Resources Inc. | 0.11% | Add +400.6% | 1,954,100 | $423.2M |
| Goldman Sachs Group Inc. | 0.06% | Add +14.1% | 1,953,270 | $423.0M |
| Bank of America Corp. | 0.03% | Add +23.0% | 1,854,488 | $401.6M |
| Invesco Ltd. | 0.04% | Reduce -1.0% | 1,715,812 | $371.6M |
| Brown Advisory Inc. | 0.56% | Reduce -22.1% | 1,580,307 | $342.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.07% | Add +0.2% | 1,449,869 | $314.0M |
| Vanguard Fiduciary Trust Co. | 0.08% | — | 1,447,832 | $313.6M |
| Focus Partners Wealth | 0.33% | Add +114.2% | 1,379,397 | $298.8M |
| Legal & General Group Plc | 0.07% | Add +0.3% | 1,373,429 | $297.5M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.19% | Reduce -57.4% | 1,301,447 | $281.9M |
| Bank of New York Mellon Corp | 0.05% | Reduce -1.5% | 1,287,455 | $278.8M |
| FIL Ltd | 0.20% | Reduce -7.5% | 1,209,624 | $262.0M |
| Beck Mack & Oliver LLC | 4.75% | Add +20.9% | 1,062,566 | $230.1M |
| Brown Brothers Harriman & Co. | 1.20% | Add +0.6% | 1,031,635 | $223.4M |
| APG Asset Management N.V. | 0.70% | Reduce -0.5% | 1,177,502 | $221.3M |
| UBS Group AG | 0.04% | Reduce -8.3% | 989,174 | $214.2M |
| T. Rowe Price Investment Management, Inc. | 0.15% | Reduce -83.2% | 986,579 | $213.7M |
| Envestnet Asset Management Inc. | 0.06% | Reduce -20.0% | 977,349 | $211.7M |
| Amundi | 0.06% | Add +1.0% | 939,835 | $203.5M |
| Alliancebernstein L.P. | 0.07% | Reduce -1.5% | 781,086 | $202.1M |
| Guinness Asset Management LTD | 3.36% | Add +12.0% | 901,899 | $194.8M |
| Artisan Partners Limited Partnership | 0.31% | Add +332.0% | 884,899 | $191.7M |
| Dimensional Fund Advisors LP | 0.04% | Add +5.9% | 853,192 | $184.8M |
| Woodline Partners LP | 0.69% | Add +57.0% | 840,676 | $182.1M |
| Boston Partners | 0.18% | Reduce -2.6% | 808,257 | $175.1M |
| California Public Employees Retirement System | 0.11% | Add +46.7% | 789,499 | $171.0M |
| Citadel Advisors | 0.12% | Add +22.2% | 762,692 | $165.2M |
| Deutsche Bank AG | 0.05% | Add +11.4% | 755,049 | $163.5M |
| Swiss National Bank | 0.09% | Add +7.3% | 753,660 | $163.2M |
| Viking Global Investors | 0.44% | Reduce -30.1% | 727,441 | $157.5M |
| Nuveen, LLC | 0.04% | Add +4.8% | 715,125 | $154.9M |
| Brandes Investment Partners, LP | 1.07% | New | 701,260 | $151.9M |
| Stonehage Fleming Financial Services Holdings Ltd | 5.12% | Reduce -3.0% | 650,099 | $140.8M |
| BLS Capital Fondsmaeglerselskab A/S | 4.77% | New | 647,008 | $140.1M |
| Unisphere Establishment | 1.16% | Reduce -1.4% | 635,700 | $137.7M |
| Barclays PLC | 0.05% | Reduce -5.9% | 634,333 | $137.4M |
| Cooke & Bieler LP | 1.53% | New | 622,633 | $134.8M |
| Sumitomo Mitsui Trust Group, Inc. | 0.08% | Add +2.1% | 587,811 | $127.3M |
| Mawer Investment Management Ltd. | 0.82% | Reduce -5.2% | 581,276 | $125.9M |
| Vanguard Global Advisers, LLC | 0.07% | — | 569,533 | $123.3M |
| Fenimore Asset Management Inc | 2.74% | Add +59.9% | 566,766 | $122.8M |
| Lord, Abbett & Co. LLC | 0.41% | Add +3.4% | 553,552 | $119.9M |
| Jupiter Asset Management Ltd. | 0.60% | New | 531,235 | $113.2M |
| Bank Julius Baer & Co. Ltd, Zurich | 0.33% | Reduce -8.7% | 508,446 | $110.1M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -11.9% | 499,941 | $108.3M |
| National Pension Service | 0.08% | Reduce -2.0% | 498,276 | $107.9M |
| Raymond James Financial Inc. | 0.03% | Reduce -7.7% | 495,544 | $107.3M |
| Chilton Investment Co. Inc. | 2.49% | Reduce -36.2% | 490,488 | $106.2M |
| Wells Fargo & Company | 0.02% | Add +0.6% | 484,535 | $104.9M |
| Royal Bank of Canada | 0.02% | Add +3.2% | 484,330 | $104.9M |
| HSBC Holdings PLC | 0.06% | Reduce -13.9% | 459,478 | $99.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.08% | — | 439,081 | $95.1M |
| Bowie Capital Management, LLC | 4.50% | Add +91.3% | 438,928 | $95.1M |
| Rhumbline Advisers | 0.08% | Reduce -3.2% | 428,774 | $92.9M |
| New York State Common Retirement Fund | 0.13% | Add +50.5% | 413,071 | $89.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.20% | Add +349.1% | 401,590 | $87.0M |
| First Pacific Advisors, LP | 1.20% | New | 387,687 | $84.0M |
| CIBC Bancorp USA Inc. | 0.11% | — | 634,451 | $80.7M |
| California State Teachers Retirement System | 0.08% | Reduce -2.5% | 369,074 | $79.9M |
| NZS Capital, LLC | 2.67% | Add +60.6% | 368,965 | $79.9M |
| Milford Funds Ltd. | 1.63% | Reduce -17.0% | 358,577 | $77.7M |
| TD Asset Management Inc | 0.06% | Reduce -7.8% | 354,367 | $76.7M |
| BNP Paribas Financial Markets | 0.05% | Reduce -27.3% | 346,680 | $75.1M |
| Adage Capital Partners Gp, L.L.C. | 0.11% | Add +113.2% | 340,763 | $73.8M |
| Regions Financial Corp. | 0.48% | Reduce -2.3% | 340,672 | $73.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.13% | Reduce -5.0% | 340,214 | $73.8M |
| Lazard Asset Management LLC | 0.12% | Add +59.5% | 329,019 | $71.3M |
| Manufacturers Life Insurance Company, The | 0.06% | Reduce -24.1% | 322,634 | $69.9M |
| Natixis Advisors, LLC | 0.10% | Add +2.9% | 322,329 | $69.8M |
| Citigroup Inc. | 0.04% | Add +12.7% | 295,088 | $63.9M |
| Welch & Forbes LLC | 0.82% | Reduce -0.3% | 293,288 | $63.5M |
| Zacks Investment Management | 0.51% | Add +0.8% | 291,339 | $63.1M |
| Sei Investments Co. | 0.06% | Add +36.1% | 289,267 | $62.7M |
| American Century Companies Inc. | 0.03% | Reduce -0.9% | 280,517 | $60.8M |
| Marshall Wace, LLP | 0.06% | Add +227.8% | 276,420 | $59.9M |
| Cincinnati Financial Corp. | 1.14% | Add +40.3% | 261,259 | $56.6M |
| Welch Group, LLC | 2.06% | Add +10.4% | 253,012 | $54.8M |
| Cincinnati Insurance Co. | 0.81% | Add +34.1% | 246,282 | $53.3M |
| Kornitzer Capital Management Inc. | 1.14% | Reduce -1.2% | 242,349 | $52.5M |
| Ameriprise Financial Inc. | 0.01% | Add +0.3% | 239,340 | $52.0M |
"% of holder's portfolio" is AJG's weight in each manager's 13F, not the share of Arthur J Gallagher & Co. the manager owns.