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, Q2 2026
Institutional positions in Arthur J. Gallagher & Co. as of Jun 30, 2026. 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
- 1,295
- +58 vs. Q1 2026
- Shares held
- 238.5M
- +10.9M (+4.8%) vs. Q1 2026
- Total value
- $54.7B
- +$5.48B (+11.1%) vs. Q1 2026
- New holders
- 164
- 464 more added
- Sold out
- 106
- 483 more reduced
11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Welch & Forbes LLC | 289,883 | $66.5M | 0.81% | −3,405−1.2% | Reduced |
| California Public Employees Retirement System | 301,121 | $69.1M | 0.04% | −488,378−61.9% | Reduced |
| Mairs & Power Inc | 311,539 | $71.5M | 0.66% | +311,539 | New |
| SEI Investments Co | 311,535 | $71.5M | 0.06% | +22,268+7.7% | Added |
| TD Asset Management Inc | 329,799 | $75.7M | 0.07% | −24,568−6.9% | Reduced |
| Regions Financial Corp | 332,381 | $76.3M | 0.46% | −8,291−2.4% | Reduced |
| Gillson Capital LP | 356,202 | $81.8M | 4.82% | +240,460+207.8% | Added |
| Artisan Partners Limited Partnership | 362,658 | $83.3M | 0.14% | −522,241−59.0% | Reduced |
| APG Asset Management N.V. | 425,155 | $85.4M | 0.21% | −752,347−63.9% | Reduced |
| Citigroup Inc | 372,212 | $85.4M | 0.04% | +77,124+26.1% | Added |
| California State Teachers Retirement System | 375,360 | $86.2M | 0.08% | +6,286+1.7% | Added |
| Bowie Capital Management, LLC | 378,174 | $86.8M | 4.29% | −60,754−13.8% | Reduced |
| NZS Capital, LLC | 389,613 | $89.4M | 2.32% | +20,648+5.6% | Added |
| Milford Funds Ltd | 407,718 | $93.6M | 1.52% | +49,141+13.7% | Added |
| Chilton Investment Co LLC | 413,100 | $94.8M | 2.27% | −77,388−15.8% | Reduced |
| Kempen Capital Management N.V. | 415,941 | $95.5M | 0.73% | +415,941 | New |
| Lazard Asset Management LLC | 416,536 | $95.6M | 0.14% | +87,517+26.6% | Added |
| Jones Financial Companies LLLP | 424,430 | $95.9M | 0.04% | +202,392+91.2% | Added |
| Rhumbline Advisers | 420,980 | $96.6M | 0.07% | −7,794−1.8% | Reduced |
| Global Retirement Partners, LLC | 441,225 | $101.3M | 1.55% | +441,225 | New |
| Lord, Abbett & Co. LLC | 444,109 | $102.0M | 0.29% | −109,443−19.8% | Reduced |
| Raymond James Financial Inc | 471,875 | $108.3M | 0.03% | −23,669−4.8% | Reduced |
| HSBC Holdings PLC | 489,350 | $112.2M | 0.05% | +29,872+6.5% | Added |
| Barclays PLC | 492,767 | $113.1M | 0.04% | −141,566−22.3% | Reduced |
| Vanguard Asset Management, Ltd | 501,471 | $115.1M | 0.08% | +62,390+14.2% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 502,345 | $115.1M | 0.30% | −6,101−1.2% | Reduced |
| Mawer Investment Management Ltd. | 510,025 | $117.1M | 0.80% | −71,251−12.3% | Reduced |
| National Pension Service | 516,323 | $118.5M | 0.08% | +18,047+3.6% | Added |
| Royal Bank of Canada | 529,273 | $121.5M | 0.02% | +44,943+9.3% | Added |
| Natixis Advisors, L.P. | 541,466 | $124.3M | 0.14% | +219,137+68.0% | Added |
| Wells Fargo & Company | 546,230 | $125.4M | 0.02% | +61,695+12.7% | Added |
| Jupiter Asset Management Ltd | 559,087 | $125.9M | 0.63% | +27,852+5.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 555,071 | $127.4M | 0.07% | −32,740−5.6% | Reduced |
| Vanguard Global Advisers, LLC | 570,955 | $131.1M | 0.06% | +1,422+0.2% | Added |
| Fenimore Asset Management Inc | 577,158 | $132.5M | 2.74% | +10,392+1.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 579,093 | $132.9M | 0.25% | +177,503+44.2% | Added |
| Woodline Partners LP | 596,462 | $136.9M | 0.42% | −244,214−29.0% | Reduced |
| Stonehage Fleming Financial Services Holdings Ltd | 621,432 | $142.7M | 4.87% | −28,667−4.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 625,018 | $143.5M | 0.08% | −676,429−52.0% | Reduced |
| BNP Paribas Arbitrage, SA | 627,989 | $144.2M | 0.08% | +281,309+81.1% | Added |
| Price T Rowe Associates Inc | 632,135 | $145.1M | 0.01% | +132,194+26.4% | Added |
| Toroso Investments, LLC | 638,601 | $146.6M | 0.36% | +480,413+303.7% | Added |
| Unisphere Establishment | 639,700 | $146.9M | 1.25% | +4,000+0.6% | Added |
| BLS Capital Fondsmaeglerselskab A/S | 659,908 | $151.5M | 5.84% | +12,900+2.0% | Added |
| Deutsche Bank AG | 693,775 | $159.3M | 0.05% | −61,274−8.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 716,424 | $164.5M | 0.07% | +687,246+2,355.4% | Added |
| Swiss National Bank | 725,060 | $166.5M | 0.09% | −28,600−3.8% | Reduced |
| Nuveen, LLC | 725,837 | $166.6M | 0.04% | +10,712+1.5% | Added |
| CIBC Bancorp USA Inc. | 761,528 | $174.9M | 0.22% | +127,077+20.0% | Added |
| Cooke & Bieler LP | 769,623 | $176.7M | 2.04% | +146,990+23.6% | Added |
| Colony Group, LLC | 771,225 | $177.1M | 0.18% | −608,172−44.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 799,003 | $183.4M | 0.26% | +458,240+134.5% | Added |
| Amundi | 799,475 | $183.5M | 0.04% | −140,360−14.9% | Reduced |
| Brandes Investment Partners, LP | 813,014 | $186.6M | 1.31% | +111,754+15.9% | Added |
| Dimensional Fund Advisors LP | 826,025 | $189.6M | 0.03% | −27,167−3.2% | Reduced |
| Envestnet Asset Management Inc | 833,230 | $191.3M | 0.05% | −144,119−14.7% | Reduced |
| Guinness Asset Management LTD | 851,348 | $194.7M | 3.30% | −50,551−5.6% | Reduced |
| Brown Brothers Harriman & Co | 1,000,945 | $229.8M | 1.01% | −30,690−3.0% | Reduced |
| Beck Mack & Oliver LLC | 1,061,905 | $243.8M | 4.75% | −661−0.1% | Reduced |
| UBS Group AG | 1,064,498 | $244.4M | 0.04% | +75,324+7.6% | Added |
| T. Rowe Price Investment Management, Inc. | 1,117,177 | $256.5M | 0.17% | +130,598+13.2% | Added |
| FIL Ltd | 1,125,965 | $258.5M | 0.19% | −83,659−6.9% | Reduced |
| Brown Advisory Inc | 1,229,898 | $282.4M | 0.44% | −350,409−22.2% | Reduced |
| Bank of New York Mellon Corp | 1,260,984 | $289.5M | 0.05% | −26,471−2.1% | Reduced |
| Wellington Management Group LLP | 1,281,475 | $294.2M | 0.05% | −1,301,884−50.4% | Reduced |
| Brave Warrior Advisors, LLC | 1,285,022 | $295.0M | 6.43% | +1,285,022 | New |
| Legal & General Group Plc | 1,306,295 | $299.9M | 0.06% | −67,134−4.9% | Reduced |
| First Pacific Advisors, LP | 1,336,290 | $306.8M | 3.79% | +948,603+244.7% | Added |
| Vanguard Fiduciary Trust Co | 1,442,494 | $331.2M | 0.07% | −5,338−0.4% | Reduced |
| UBS Asset Management Americas Inc | 1,453,774 | $333.7M | 0.06% | +3,905+0.3% | Added |
| Bank of America Corp | 1,540,997 | $353.8M | 0.02% | −313,491−16.9% | Reduced |
| Invesco Ltd. | 1,750,848 | $401.9M | 0.03% | +35,036+2.0% | Added |
| Manufacturers Life Insurance Company, The | 1,917,615 | $440.2M | 0.34% | +1,594,981+494.4% | Added |
| Jupiter Topco LLC | 1,940,663 | $445.4M | 0.18% | +1,940,663 | New |
| Capital International Investors | 2,002,580 | $459.5M | 0.10% | −594,073−22.9% | Reduced |
| Charles Schwab Investment Management Inc | 2,156,506 | $495.1M | 0.07% | +47,043+2.2% | Added |
| Northern Trust Corp | 2,204,733 | $506.1M | 0.06% | −25,096−1.1% | Reduced |
| Franklin Resources Inc | 2,219,141 | $509.4M | 0.11% | +265,041+13.6% | Added |
| GTCR LLC | 2,373,773 | $544.9M | 13.95% | 00.0% | Unchanged |
| WCM Investment Management, LLC | 2,425,562 | $550.9M | 1.00% | +63,049+2.7% | Added |
| Capital Research Global Investors | 2,585,853 | $593.6M | 0.08% | −394,278−13.2% | Reduced |
| Morgan Stanley | 2,591,858 | $595.0M | 0.03% | −1,464,317−36.1% | Reduced |
| Goldman Sachs Group Inc | 2,818,022 | $646.9M | 0.07% | +864,752+44.3% | Added |
| Principal Financial Group Inc | 3,494,796 | $802.3M | 0.39% | +252,708+7.8% | Added |
| Eagle Capital Management LLC | 4,890,612 | $1.12B | 3.43% | +2,225,040+83.5% | Added |
| Geode Capital Management, LLC | 6,298,870 | $1.45B | 0.08% | +55,230+0.9% | Added |
| Norges Bank | 6,733,790 | $1.55B | 0.15% | +6,733,790 | New |
| Dodge & Cox | 9,363,634 | $2.15B | 1.13% | +2,008,719+27.3% | Added |
| State Street Corp | 11,303,790 | $2.60B | 0.08% | +329,869+3.0% | Added |
| Vanguard Portfolio Management LLC | 12,454,725 | $2.86B | 0.13% | +35,446+0.3% | Added |
| Capital World Investors | 12,511,991 | $2.87B | 0.34% | −1,305,729−9.4% | Reduced |
| JPMorgan Chase & Co | 14,356,764 | $3.26B | 0.19% | −5,211,283−26.6% | Reduced |
| Vanguard Capital Management LLC | 16,777,183 | $3.85B | 0.08% | +77,285+0.5% | Added |
| FMR LLC | 18,645,620 | $4.28B | 0.19% | +4,024,657+27.5% | Added |
| BlackRock, Inc. | 19,822,870 | $4.55B | 0.07% | +515,074+2.7% | Added |
| Intact Investment Management Inc. | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Viking Global Investors LPSuperinvestorViking Global Investors | 0 | $0 | 0.00% | −727,441−100.0% | Sold out |
| Sandhill Capital Partners LLC | 0 | $0 | 0.00% | −172,035−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −90,646−100.0% | Sold out |
| Generate Investment Management Ltd | 0 | $0 | 0.00% | −90,000−100.0% | Sold out |