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 |
|---|---|---|---|---|---|
| Eventide Asset Management, LLC | 86,769 | $19.9M | 0.27% | +3,099+3.7% | Added |
| Truist Financial Corp | 89,354 | $20.5M | 0.02% | −2,769−3.0% | Reduced |
| Toronto Dominion Bank | 91,023 | $20.9M | 0.03% | −16,330−15.2% | Reduced |
| Osterweis Capital Management Inc | 91,965 | $21.1M | 1.00% | +91,965 | New |
| Factory Mutual Insurance Co | 93,265 | $21.4M | 0.20% | +28,765+44.6% | Added |
| Nomura Asset Management Co Ltd | 93,579 | $21.5M | 0.05% | −71,282−43.2% | Reduced |
| Nomura Asset Management International Inc. | 94,731 | $21.7M | 0.03% | −4,433−4.5% | Reduced |
| Public Employees Retirement System of Ohio | 95,014 | $21.8M | 0.06% | −5,786−5.7% | Reduced |
| ARS Investment Partners, LLC | 95,960 | $22.0M | 0.96% | +825+0.9% | Added |
| CI Private Wealth, LLC | 96,002 | $22.0M | 0.03% | +2,856+3.1% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 96,714 | $22.2M | 0.11% | +5,840+6.4% | Added |
| Swedbank AB | 96,765 | $22.2M | 0.02% | +3,710+4.0% | Added |
| Philo Smith Capital Corp | 97,425 | $22.4M | 6.07% | −300−0.3% | Reduced |
| Handelsbanken Fonder AB | 97,942 | $22.5M | 0.06% | +10,325+11.8% | Added |
| Capital International Sarl | 98,019 | $22.5M | 0.32% | −58,915−37.5% | Reduced |
| Creative Planning | 98,089 | $22.5M | 0.01% | +3,977+4.2% | Added |
| Ci Investments Inc. | 99,953 | $22.9M | 0.07% | +45,900+84.9% | Added |
| Distillate Capital Partners LLC | 100,446 | $23.1M | 1.20% | +2,037+2.1% | Added |
| MML Investors Services, LLC | 101,450 | $23.3M | 0.05% | +20,096+24.7% | Added |
| KLP Kapitalforvaltning AS | 101,730 | $23.4M | 0.08% | +7,200+7.6% | Added |
| Tredje AP-fonden | 102,522 | $23.5M | 0.11% | +26,460+34.8% | Added |
| DekaBank Deutsche Girozentrale | 109,639 | $23.6M | 0.04% | 00.0% | Unchanged |
| Cornerstone Capital, Inc. | 103,180 | $23.7M | 2.12% | −330.0% | Reduced |
| Lighthouse Investment Partners, LLC | 104,357 | $24.0M | 0.74% | +5,253+5.3% | Added |
| Alyeska Investment Group, L.P. | 105,400 | $24.2M | 0.06% | −64,185−37.8% | Reduced |
| National Bank of Canada | 106,348 | $24.4M | 0.02% | +64,581+154.6% | Added |
| Professional Advisory Services Inc | 108,452 | $24.9M | 2.98% | +11,371+11.7% | Added |
| Treasurer of the State of North Carolina | 108,599 | $24.9M | 0.06% | +300.0% | Added |
| Massachusetts Financial Services Co | 108,856 | $25.0M | 0.01% | −5,658−4.9% | Reduced |
| Pictet Asset Management Holding SA | 109,044 | $25.0M | 0.02% | −1,585−1.4% | Reduced |
| Citadel Advisors LLC | 110,798 | $25.4M | 0.01% | −651,894−85.5% | Reduced |
| State of Tennessee, Treasury Department | 112,062 | $25.7M | 0.08% | +15,282+15.8% | Added |
| Cullen/Frost Bankers, Inc. | 114,169 | $26.2M | 0.26% | +3,783+3.4% | Added |
| Thomasville National Bank | 114,282 | $26.2M | 1.44% | +114,282 | New |
| Dearborn Partners LLC | 115,800 | $26.6M | 1.51% | −10,058−8.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 115,870 | $26.6M | 0.06% | −2,217−1.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 116,106 | $26.7M | 0.05% | +11,603+11.1% | Added |
| Korea Investment CORP | 116,247 | $26.7M | 0.05% | −86,797−42.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 118,845 | $27.3M | 0.14% | +114,958+2,957.5% | Added |
| Asset Management One Co.,Ltd. | 119,813 | $27.5M | 0.07% | −7,696−6.0% | Reduced |
| SG Americas Securities, LLC | 120,348 | $27.6M | 0.02% | +86,921+260.0% | Added |
| Prudential Financial Inc | 121,518 | $27.9M | 0.03% | −1,535−1.2% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 125,018 | $28.7M | 0.07% | −2,687−2.1% | 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 |
| King Luther Capital Management Corp | 128,413 | $29.5M | 0.12% | −33,254−20.6% | Reduced |
| 1832 Asset Management L.P. | 128,537 | $29.5M | 0.04% | +128,537 | New |
| KBC Group NV | 128,765 | $29.6M | 0.06% | +6,407+5.2% | Added |
| Vanguard Investments Australia, Ltd. | 130,604 | $30.0M | 0.07% | +2,873+2.2% | Added |
| ASR Vermogensbeheer N.V. | 131,719 | $30.2M | 0.31% | −28,240−17.7% | Reduced |
| Benjamin Edwards Inc | 132,485 | $30.4M | 0.28% | −24,813−15.8% | Reduced |
| Millennium Management LLC | 136,089 | $31.2M | 0.02% | −97,931−41.8% | Reduced |
| State of Wisconsin Investment Board | 136,982 | $31.4M | 0.06% | −2,536−1.8% | Reduced |
| The PNC Financial Services Group, Inc. | 141,214 | $32.4M | 0.02% | +21,858+18.3% | Added |
| Storebrand Asset Management AS | 144,832 | $33.2M | 0.08% | +240+0.2% | Added |
| Life Cycle Investment Partners Ltd | 144,936 | $33.3M | 0.16% | +26,118+22.0% | Added |
| Royal London Asset Management Ltd | 145,448 | $33.4M | 0.06% | −1,971−1.3% | Reduced |
| Nexus Investment Management ULC | 149,765 | $34.4M | 4.48% | +149,765 | New |
| Sequoia Financial Advisors, LLC | 149,799 | $34.4M | 0.17% | +9,966+7.1% | Added |
| Freestone Grove Partners LP | 150,548 | $34.6M | 0.23% | +442+0.3% | Added |
| Gateway Investment Advisers LLC | 151,193 | $34.7M | 0.34% | −591−0.4% | Reduced |
| Danske Bank A/S | 153,637 | $35.3M | 0.07% | +2,600+1.7% | Added |
| Voya Investment Management LLC | 156,439 | $35.9M | 0.03% | +13,223+9.2% | Added |
| Cincinnati Insurance Co | 157,374 | $36.1M | 0.52% | −88,908−36.1% | Reduced |
| Woodley Farra Manion Portfolio Management Inc | 157,666 | $36.2M | 1.74% | +1,945+1.2% | Added |
| AQR Capital Management LLC | 170,308 | $38.7M | 0.01% | +23,216+15.8% | Added |
| Assetmark, Inc | 170,168 | $39.1M | 0.07% | +83,970+97.4% | Added |
| First Trust Advisors LP | 171,579 | $39.4M | 0.02% | +1,453+0.9% | Added |
| Stifel Financial Corp | 174,924 | $40.2M | 0.03% | +570+0.3% | Added |
| New York State Teachers Retirement System | 176,619 | $40.5M | 0.07% | 00.0% | Unchanged |
| LPL Financial LLC | 179,131 | $41.1M | 0.01% | +12,986+7.8% | Added |
| Great West Life Assurance Co | 179,937 | $41.2M | 0.07% | −16,202−8.3% | Reduced |
| Fisher Funds Management LTD | 181,006 | $41.6M | 1.18% | −26,213−12.6% | Reduced |
| Baillie Gifford & Co | 184,065 | $42.3M | 0.04% | +50,635+37.9% | Added |
| Old Republic International Corporation | 190,800 | $43.8M | 1.64% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 192,229 | $44.1M | 0.06% | +1,154+0.6% | Added |
| Nissay Asset Management Corp | 193,547 | $44.4M | 0.19% | +22,227+13.0% | Added |
| Capital International Inc | 195,342 | $44.8M | 0.31% | −5,706−2.8% | Reduced |
| Zurich Insurance Group Ltd | 200,247 | $46.0M | 0.32% | +200,247 | New |
| Retirement Systems of Alabama | 200,358 | $46.0M | 0.14% | −602−0.3% | Reduced |
| Quantinno Capital Management LP | 209,501 | $48.1M | 0.06% | +52,551+33.5% | Added |
| Aviva PLC | 211,681 | $48.6M | 0.07% | +266+0.1% | Added |
| Fifth Third Bancorp | 212,739 | $48.8M | 0.08% | −6,211−2.8% | Reduced |
| Ameriprise Financial Inc | 213,152 | $48.9M | 0.01% | −26,188−10.9% | Reduced |
| State Board of Administration of Florida Retirement System | 215,977 | $49.6M | 0.08% | −3,623−1.6% | Reduced |
| Ceredex Value Advisors LLC | 222,002 | $51.0M | 1.43% | +79,273+55.5% | Added |
| Prana Capital Management, LP | 224,273 | $51.5M | 1.57% | +224,273 | New |
| Gotham Asset Management, LLC | 227,886 | $52.3M | 0.12% | +164,279+258.3% | Added |
| Cincinnati Financial Corp | 232,259 | $53.3M | 1.02% | −29,000−11.1% | Reduced |
| Kornitzer Capital Management Inc | 239,226 | $54.9M | 1.15% | −3,123−1.3% | Reduced |
| Russell Investments Group, Ltd. | 241,888 | $55.5M | 0.05% | +23,919+11.0% | Added |
| Alliancebernstein L.P. | 264,344 | $57.3M | 0.02% | −516,742−66.2% | Reduced |
| Central Securities Corp | 255,000 | $58.5M | 4.37% | +120,000+88.9% | Added |
| Fort Washington Investment Advisors Inc | 257,445 | $59.1M | 0.30% | +74,064+40.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 261,297 | $60.0M | 0.09% | +245,159+1,519.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 261,632 | $60.1M | 0.09% | −78,582−23.1% | Reduced |
| Welch Group, LLC | 262,241 | $60.2M | 2.06% | +9,229+3.6% | Added |
| Balyasny Asset Management LLC | 267,170 | $61.3M | 0.11% | +28,183+11.8% | Added |
| New York State Common Retirement Fund | 276,963 | $63.6M | 0.08% | −136,108−33.0% | Reduced |
| Bank of Montreal | 283,417 | $65.1M | 0.02% | +58,899+26.2% | Added |
| Zacks Investment Management | 288,036 | $66.1M | 0.47% | −3,303−1.1% | Reduced |