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 |
|---|---|---|---|---|---|
| Universal- Beteiligungs- und Servicegesellschaft mbH | 261,632 | $60.1M | 0.09% | −78,582−23.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 261,297 | $60.0M | 0.09% | +245,159+1,519.1% | Added |
| Fort Washington Investment Advisors Inc | 257,445 | $59.1M | 0.30% | +74,064+40.4% | Added |
| Central Securities Corp | 255,000 | $58.5M | 4.37% | +120,000+88.9% | Added |
| Alliancebernstein L.P. | 264,344 | $57.3M | 0.02% | −516,742−66.2% | Reduced |
| Russell Investments Group, Ltd. | 241,888 | $55.5M | 0.05% | +23,919+11.0% | Added |
| Kornitzer Capital Management Inc | 239,226 | $54.9M | 1.15% | −3,123−1.3% | Reduced |
| Cincinnati Financial Corp | 232,259 | $53.3M | 1.02% | −29,000−11.1% | Reduced |
| Gotham Asset Management, LLC | 227,886 | $52.3M | 0.12% | +164,279+258.3% | Added |
| Prana Capital Management, LP | 224,273 | $51.5M | 1.57% | +224,273 | New |
| Ceredex Value Advisors LLC | 222,002 | $51.0M | 1.43% | +79,273+55.5% | Added |
| State Board of Administration of Florida Retirement System | 215,977 | $49.6M | 0.08% | −3,623−1.6% | Reduced |
| Ameriprise Financial Inc | 213,152 | $48.9M | 0.01% | −26,188−10.9% | Reduced |
| Fifth Third Bancorp | 212,739 | $48.8M | 0.08% | −6,211−2.8% | Reduced |
| Aviva PLC | 211,681 | $48.6M | 0.07% | +266+0.1% | Added |
| Quantinno Capital Management LP | 209,501 | $48.1M | 0.06% | +52,551+33.5% | Added |
| Retirement Systems of Alabama | 200,358 | $46.0M | 0.14% | −602−0.3% | Reduced |
| Zurich Insurance Group Ltd | 200,247 | $46.0M | 0.32% | +200,247 | New |
| Capital International Inc | 195,342 | $44.8M | 0.31% | −5,706−2.8% | Reduced |
| Nissay Asset Management Corp | 193,547 | $44.4M | 0.19% | +22,227+13.0% | Added |
| Standard Life Aberdeen plc | 192,229 | $44.1M | 0.06% | +1,154+0.6% | Added |
| Old Republic International Corporation | 190,800 | $43.8M | 1.64% | 00.0% | Unchanged |
| Baillie Gifford & Co | 184,065 | $42.3M | 0.04% | +50,635+37.9% | Added |
| Fisher Funds Management LTD | 181,006 | $41.6M | 1.18% | −26,213−12.6% | Reduced |
| Great West Life Assurance Co | 179,937 | $41.2M | 0.07% | −16,202−8.3% | Reduced |
| LPL Financial LLC | 179,131 | $41.1M | 0.01% | +12,986+7.8% | Added |
| New York State Teachers Retirement System | 176,619 | $40.5M | 0.07% | 00.0% | Unchanged |
| Stifel Financial Corp | 174,924 | $40.2M | 0.03% | +570+0.3% | Added |
| First Trust Advisors LP | 171,579 | $39.4M | 0.02% | +1,453+0.9% | Added |
| Assetmark, Inc | 170,168 | $39.1M | 0.07% | +83,970+97.4% | Added |
| AQR Capital Management LLC | 170,308 | $38.7M | 0.01% | +23,216+15.8% | Added |
| Woodley Farra Manion Portfolio Management Inc | 157,666 | $36.2M | 1.74% | +1,945+1.2% | Added |
| Cincinnati Insurance Co | 157,374 | $36.1M | 0.52% | −88,908−36.1% | Reduced |
| Voya Investment Management LLC | 156,439 | $35.9M | 0.03% | +13,223+9.2% | Added |
| Danske Bank A/S | 153,637 | $35.3M | 0.07% | +2,600+1.7% | Added |
| Gateway Investment Advisers LLC | 151,193 | $34.7M | 0.34% | −591−0.4% | Reduced |
| Freestone Grove Partners LP | 150,548 | $34.6M | 0.23% | +442+0.3% | Added |
| Sequoia Financial Advisors, LLC | 149,799 | $34.4M | 0.17% | +9,966+7.1% | Added |
| Nexus Investment Management ULC | 149,765 | $34.4M | 4.48% | +149,765 | New |
| Royal London Asset Management Ltd | 145,448 | $33.4M | 0.06% | −1,971−1.3% | Reduced |
| Life Cycle Investment Partners Ltd | 144,936 | $33.3M | 0.16% | +26,118+22.0% | Added |
| Storebrand Asset Management AS | 144,832 | $33.2M | 0.08% | +240+0.2% | Added |
| The PNC Financial Services Group, Inc. | 141,214 | $32.4M | 0.02% | +21,858+18.3% | Added |
| State of Wisconsin Investment Board | 136,982 | $31.4M | 0.06% | −2,536−1.8% | Reduced |
| Millennium Management LLC | 136,089 | $31.2M | 0.02% | −97,931−41.8% | Reduced |
| Benjamin Edwards Inc | 132,485 | $30.4M | 0.28% | −24,813−15.8% | Reduced |
| ASR Vermogensbeheer N.V. | 131,719 | $30.2M | 0.31% | −28,240−17.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 130,604 | $30.0M | 0.07% | +2,873+2.2% | Added |
| KBC Group NV | 128,765 | $29.6M | 0.06% | +6,407+5.2% | Added |
| 1832 Asset Management L.P. | 128,537 | $29.5M | 0.04% | +128,537 | New |
| King Luther Capital Management Corp | 128,413 | $29.5M | 0.12% | −33,254−20.6% | Reduced |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 125,585 | $28.8M | 0.52% | 00.0% | Unchanged |
| Chevy Chase Trust Holdings, Inc. | 125,018 | $28.7M | 0.07% | −2,687−2.1% | Reduced |
| Prudential Financial Inc | 121,518 | $27.9M | 0.03% | −1,535−1.2% | Reduced |
| SG Americas Securities, LLC | 120,348 | $27.6M | 0.02% | +86,921+260.0% | Added |
| Asset Management One Co.,Ltd. | 119,813 | $27.5M | 0.07% | −7,696−6.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 118,845 | $27.3M | 0.14% | +114,958+2,957.5% | Added |
| Korea Investment CORP | 116,247 | $26.7M | 0.05% | −86,797−42.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 116,106 | $26.7M | 0.05% | +11,603+11.1% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 115,870 | $26.6M | 0.06% | −2,217−1.9% | Reduced |
| Dearborn Partners LLC | 115,800 | $26.6M | 1.51% | −10,058−8.0% | Reduced |
| Thomasville National Bank | 114,282 | $26.2M | 1.44% | +114,282 | New |
| Cullen/Frost Bankers, Inc. | 114,169 | $26.2M | 0.26% | +3,783+3.4% | Added |
| State of Tennessee, Treasury Department | 112,062 | $25.7M | 0.08% | +15,282+15.8% | Added |
| Citadel Advisors LLC | 110,798 | $25.4M | 0.01% | −651,894−85.5% | Reduced |
| Pictet Asset Management Holding SA | 109,044 | $25.0M | 0.02% | −1,585−1.4% | Reduced |
| Massachusetts Financial Services Co | 108,856 | $25.0M | 0.01% | −5,658−4.9% | Reduced |
| Treasurer of the State of North Carolina | 108,599 | $24.9M | 0.06% | +300.0% | Added |
| Professional Advisory Services Inc | 108,452 | $24.9M | 2.98% | +11,371+11.7% | Added |
| National Bank of Canada | 106,348 | $24.4M | 0.02% | +64,581+154.6% | Added |
| Alyeska Investment Group, L.P. | 105,400 | $24.2M | 0.06% | −64,185−37.8% | Reduced |
| Lighthouse Investment Partners, LLC | 104,357 | $24.0M | 0.74% | +5,253+5.3% | Added |
| Cornerstone Capital, Inc. | 103,180 | $23.7M | 2.12% | −330.0% | Reduced |
| DekaBank Deutsche Girozentrale | 109,639 | $23.6M | 0.04% | 00.0% | Unchanged |
| Tredje AP-fonden | 102,522 | $23.5M | 0.11% | +26,460+34.8% | Added |
| KLP Kapitalforvaltning AS | 101,730 | $23.4M | 0.08% | +7,200+7.6% | Added |
| MML Investors Services, LLC | 101,450 | $23.3M | 0.05% | +20,096+24.7% | Added |
| Distillate Capital Partners LLC | 100,446 | $23.1M | 1.20% | +2,037+2.1% | Added |
| Ci Investments Inc. | 99,953 | $22.9M | 0.07% | +45,900+84.9% | Added |
| Creative Planning | 98,089 | $22.5M | 0.01% | +3,977+4.2% | Added |
| Capital International Sarl | 98,019 | $22.5M | 0.32% | −58,915−37.5% | Reduced |
| Handelsbanken Fonder AB | 97,942 | $22.5M | 0.06% | +10,325+11.8% | Added |
| Philo Smith Capital Corp | 97,425 | $22.4M | 6.07% | −300−0.3% | Reduced |
| Swedbank AB | 96,765 | $22.2M | 0.02% | +3,710+4.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 96,714 | $22.2M | 0.11% | +5,840+6.4% | Added |
| CI Private Wealth, LLC | 96,002 | $22.0M | 0.03% | +2,856+3.1% | Added |
| ARS Investment Partners, LLC | 95,960 | $22.0M | 0.96% | +825+0.9% | Added |
| Public Employees Retirement System of Ohio | 95,014 | $21.8M | 0.06% | −5,786−5.7% | Reduced |
| Nomura Asset Management International Inc. | 94,731 | $21.7M | 0.03% | −4,433−4.5% | Reduced |
| Nomura Asset Management Co Ltd | 93,579 | $21.5M | 0.05% | −71,282−43.2% | Reduced |
| Factory Mutual Insurance Co | 93,265 | $21.4M | 0.20% | +28,765+44.6% | Added |
| Osterweis Capital Management Inc | 91,965 | $21.1M | 1.00% | +91,965 | New |
| Toronto Dominion Bank | 91,023 | $20.9M | 0.03% | −16,330−15.2% | Reduced |
| Truist Financial Corp | 89,354 | $20.5M | 0.02% | −2,769−3.0% | Reduced |
| Eventide Asset Management, LLC | 86,769 | $19.9M | 0.27% | +3,099+3.7% | Added |
| Victory Capital Management Inc | 85,372 | $19.6M | 0.01% | −1,761−2.0% | Reduced |
| Calamos Advisors LLC | 83,974 | $19.3M | 0.07% | −1,554−1.8% | Reduced |
| SEB Asset Management AB | 83,937 | $19.3M | 0.07% | +28,342+51.0% | Added |
| State of New Jersey Common Pension Fund D | 83,193 | $19.1M | 0.07% | −4,886−5.5% | Reduced |
| STRS Ohio | 82,809 | $19.0M | 0.07% | +8,942+12.1% | Added |