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 2025
Institutional positions in Arthur J. Gallagher & Co. as of Dec 31, 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
- 1,299
- −15 vs. Q3 2025
- Shares held
- 234.2M
- +9.18M (+4.1%) vs. Q3 2025
- Total value
- $60.6B
- −$9.03B (−13.0%) vs. Q3 2025
- New holders
- 159
- 393 more added
- Sold out
- 174
- 566 more reduced
28 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 1,342 | $69.7B |
| Q2 2025 | 1,380 | $72.9B |
| Q1 2025 | 1,360 | $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, Q4 2025
Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 31,390,446 | $8.12B | 0.12% | +217,136+0.7% | Added |
| JPMorgan Chase & Co | 20,313,249 | $5.26B | 0.35% | −25,284−0.1% | Reduced |
| BlackRock, Inc. | 19,239,621 | $4.98B | 0.08% | +675,641+3.6% | Added |
| FMR LLC | 15,110,682 | $3.91B | 0.20% | +2,578,081+20.6% | Added |
| Capital World Investors | 12,613,371 | $3.26B | 0.44% | +830,252+7.0% | Added |
| State Street Corp | 10,953,598 | $2.83B | 0.10% | +62,518+0.6% | Added |
| Morgan Stanley | 7,773,808 | $2.01B | 0.12% | −811,982−9.5% | Reduced |
| Norges Bank | 7,438,704 | $1.93B | 0.21% | +7,438,704 | New |
| Capital International Investors | 6,280,455 | $1.63B | 0.25% | −914,288−12.7% | Reduced |
| Geode Capital Management, LLC | 6,014,196 | $1.55B | 0.10% | +12,190+0.2% | Added |
| T. Rowe Price Investment Management, Inc. | 5,887,538 | $1.52B | 0.96% | +3,253,498+123.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 3,056,069 | $782.4M | 0.53% | −51,321−1.7% | Reduced |
| Wellington Management Group LLP | 2,965,983 | $767.6M | 0.13% | −304,824−9.3% | Reduced |
| Principal Financial Group Inc | 2,832,943 | $733.2M | 0.37% | −33,843−1.2% | Reduced |
| WCM Investment Management, LLC | 2,380,294 | $623.2M | 1.28% | −51,704−2.1% | Reduced |
| Northern Trust Corp | 2,230,272 | $577.2M | 0.07% | −87,079−3.8% | Reduced |
| Charles Schwab Investment Management Inc | 2,043,640 | $528.9M | 0.08% | +14,682+0.7% | Added |
| Brown Advisory Inc | 2,027,929 | $524.8M | 0.73% | −489,993−19.5% | Reduced |
| Janus Henderson Group PLC | 1,869,559 | $483.9M | 0.22% | +239,272+14.7% | Added |
| Invesco Ltd. | 1,733,169 | $448.5M | 0.04% | +85,545+5.2% | Added |
| Goldman Sachs Group Inc | 1,711,544 | $442.9M | 0.06% | +309,361+22.1% | Added |
| Capital Research Global Investors | 1,548,473 | $400.7M | 0.07% | +7,920+0.5% | Added |
| Bank of America Corp | 1,508,079 | $390.3M | 0.03% | −57,918−3.7% | Reduced |
| UBS Asset Management Americas Inc | 1,446,769 | $374.4M | 0.08% | −77,792−5.1% | Reduced |
| Legal & General Group Plc | 1,369,877 | $354.5M | 0.08% | −15,825−1.1% | Reduced |
| FIL Ltd | 1,308,089 | $338.5M | 0.25% | −58,291−4.3% | Reduced |
| Bank of New York Mellon Corp | 1,306,475 | $338.1M | 0.06% | −54,394−4.0% | Reduced |
| Envestnet Asset Management Inc | 1,222,030 | $316.2M | 0.09% | −192,070−13.6% | Reduced |
| UBS Group AG | 1,078,443 | $279.1M | 0.06% | +238,146+28.3% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,040,977 | $269.4M | 0.71% | +1,040,977 | New |
| Findlay Park Partners LLP | 1,025,521 | $265.4M | 3.39% | −44,380−4.1% | Reduced |
| Brown Brothers Harriman & Co | 1,025,195 | $265.3M | 1.45% | −44,520−4.2% | Reduced |
| APG Asset Management N.V. | 1,182,859 | $260.6M | 0.74% | −15,019−1.3% | Reduced |
| Amundi | 930,585 | $240.8M | 0.07% | +369,716+65.9% | Added |
| Dodge & Cox | 880,585 | $227.9M | 0.12% | +880,585 | New |
| Beck Mack & Oliver LLC | 879,059 | $227.5M | 4.13% | +144,980+19.7% | Added |
| Baillie Gifford & Co | 865,260 | $223.9M | 0.19% | −43,625−4.8% | Reduced |
| Boston Partners | 830,159 | $214.8M | 0.22% | −202,094−19.6% | Reduced |
| Guinness Asset Management LTD | 805,533 | $211.5M | 3.43% | −25,592−3.1% | Reduced |
| Dimensional Fund Advisors LP | 805,604 | $208.5M | 0.04% | +110,066+15.8% | Added |
| Alliancebernstein L.P. | 793,108 | $205.2M | 0.06% | −242,524−23.4% | Reduced |
| Chilton Investment Co LLC | 768,670 | $198.9M | 4.15% | +2,875+0.4% | Added |
| Swiss National Bank | 702,620 | $181.8M | 0.11% | −35,680−4.8% | Reduced |
| Nuveen, LLC | 682,475 | $176.6M | 0.05% | −4,061−0.6% | Reduced |
| Deutsche Bank AG | 677,994 | $175.5M | 0.06% | −216,568−24.2% | Reduced |
| Barclays PLC | 674,285 | $174.5M | 0.07% | −136,959−16.9% | Reduced |
| Stonehage Fleming Financial Services Holdings Ltd | 670,103 | $173.4M | 5.33% | +207,507+44.9% | Added |
| Unisphere Establishment | 644,500 | $166.8M | 1.25% | +107,000+19.9% | Added |
| Colony Group, LLC | 644,128 | $166.7M | 0.19% | +600,252+1,368.1% | Added |
| Citadel Advisors LLC | 623,960 | $161.5M | 0.11% | +512,742+461.0% | Added |
| Mawer Investment Management Ltd. | 613,031 | $158.6M | 0.89% | −33,267−5.1% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 575,690 | $149.0M | 0.09% | −19,675−3.3% | Reduced |
| Price T Rowe Associates Inc | 567,739 | $146.9M | 0.02% | +171,278+43.2% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 556,949 | $144.5M | 0.40% | −2,194−0.4% | Reduced |
| California Public Employees Retirement System | 538,159 | $139.3M | 0.08% | −287,669−34.8% | Reduced |
| Raymond James Financial Inc | 536,685 | $138.9M | 0.04% | −60,935−10.2% | Reduced |
| Woodline Partners LP | 535,602 | $138.6M | 0.54% | +535,602 | New |
| Lord, Abbett & Co. LLC | 535,322 | $138.5M | 0.43% | −9,783−1.8% | Reduced |
| HSBC Holdings PLC | 533,477 | $138.5M | 0.08% | −26,404−4.7% | Reduced |
| National Pension Service | 508,412 | $131.6M | 0.10% | +30,784+6.4% | Added |
| Wells Fargo & Company | 481,532 | $124.6M | 0.02% | +33,965+7.6% | Added |
| BNP Paribas Arbitrage, SA | 477,105 | $123.5M | 0.08% | +128,675+36.9% | Added |
| CCLA Investment Management Ltd | 470,291 | $121.7M | 1.95% | −4,891−1.0% | Reduced |
| Royal Bank of Canada | 469,408 | $121.5M | 0.02% | −348,651−42.6% | Reduced |
| Global Retirement Partners, LLC | 445,401 | $115.3M | 2.05% | −57,624−11.5% | Reduced |
| Rhumbline Advisers | 442,872 | $114.6M | 0.09% | −9,056−2.0% | Reduced |
| Milford Funds Ltd | 432,088 | $111.8M | 2.20% | +432,088 | New |
| Manufacturers Life Insurance Company, The | 425,354 | $110.1M | 0.09% | −117,521−21.6% | Reduced |
| Allianz Asset Management GmbH | 394,219 | $102.0M | 0.12% | −176,346−30.9% | Reduced |
| Franklin Resources Inc | 390,311 | $101.0M | 0.02% | −35,738−8.4% | Reduced |
| TD Asset Management Inc | 384,529 | $99.5M | 0.08% | −3,529−0.9% | Reduced |
| California State Teachers Retirement System | 378,483 | $97.9M | 0.10% | −8,027−2.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 358,099 | $92.8M | 0.15% | +510.0% | Added |
| Bank of Montreal | 355,707 | $92.1M | 0.04% | +117,385+49.3% | Added |
| Fenimore Asset Management Inc | 354,440 | $91.7M | 1.91% | −861−0.2% | Reduced |
| Regions Financial Corp | 348,547 | $90.2M | 0.58% | −8,328−2.3% | Reduced |
| Natixis Advisors, L.P. | 313,122 | $81.0M | 0.11% | −22,126−6.6% | Reduced |
| Credit Agricole S A | 306,388 | $79.3M | 0.22% | −1,410−0.5% | Reduced |
| Welch & Forbes LLC | 294,278 | $76.2M | 0.92% | +1,508+0.5% | Added |
| Zacks Investment Management | 289,056 | $74.8M | 0.59% | −7,822−2.6% | Reduced |
| American Century Companies Inc | 282,937 | $73.2M | 0.04% | −83,715−22.8% | Reduced |
| New York State Common Retirement Fund | 274,563 | $71.1M | 0.09% | −53,076−16.2% | Reduced |
| Russell Investments Group, Ltd. | 262,058 | $67.9M | 0.07% | −41,796−13.8% | Reduced |
| Citigroup Inc | 261,894 | $67.8M | 0.05% | +59,373+29.3% | Added |
| Westfield Capital Management Co LP | 259,491 | $67.2M | 0.28% | −8,218−3.1% | Reduced |
| Kornitzer Capital Management Inc | 245,313 | $63.5M | 1.32% | −1,786−0.7% | Reduced |
| Sands Capital Management, LLC | 244,255 | $63.2M | 0.19% | −849,815−77.7% | Reduced |
| Ameriprise Financial Inc | 238,587 | $61.8M | 0.01% | −900−0.4% | Reduced |
| NZS Capital, LLC | 229,704 | $59.4M | 1.82% | +229,704 | New |
| Bowie Capital Management, LLC | 229,407 | $59.4M | 2.45% | +123,211+116.0% | Added |
| Welch Group, LLC | 229,225 | $59.3M | 2.29% | +2,711+1.2% | Added |
| State Board of Administration of Florida Retirement System | 220,733 | $57.1M | 0.10% | −4,030−1.8% | Reduced |
| Westwood Holdings Group Inc. | 214,761 | $55.6M | 0.45% | −6,990−3.2% | Reduced |
| Capital International Inc | 213,685 | $55.3M | 0.44% | −2,204−1.0% | Reduced |
| SEI Investments Co | 212,544 | $55.0M | 0.05% | +7,708+3.8% | Added |
| Federation des caisses Desjardins du Quebec | 212,356 | $54.9M | 0.21% | +55,373+35.3% | Added |
| Lazard Asset Management LLC | 206,238 | $53.4M | 0.09% | +206,238 | New |
| Aviva PLC | 205,332 | $53.1M | 0.09% | +7,276+3.7% | Added |
| Artisan Partners Limited Partnership | 204,838 | $53.0M | 0.08% | +204,838 | New |
| LPL Financial LLC | 204,312 | $52.9M | 0.01% | −13,597−6.2% | Reduced |