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, Q1 2026
Institutional positions in Arthur J. Gallagher & Co. as of Mar 31, 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
- 1,248
- −28 vs. Q4 2025
- Shares held
- 229.6M
- +35.7M (+18.4%) vs. Q4 2025
- Total value
- $49.7B
- −$464.2M (−0.9%) vs. Q4 2025
- New holders
- 155
- 432 more added
- Sold out
- 183
- 473 more reduced
23 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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 | 1,341 | $69.7B |
| Q2 2025 | 1,379 | $72.9B |
| Q1 2025 | 1,359 | $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, Q1 2026
Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cerity Partners LLC | 46,710 | $10.1M | 0.01% | +7,444+19.0% | Added |
| State of Alaska, Department of Revenue | 46,922 | $10.2M | 0.11% | −445−0.9% | Reduced |
| Tompkins Financial Corp | 47,414 | $10.3M | 0.82% | −421−0.9% | Reduced |
| Mercer Global Advisors Inc | 47,610 | $10.3M | 0.02% | −107,788−69.4% | Reduced |
| HighTower Advisors, LLC | 47,706 | $10.3M | 0.01% | −3,223−6.3% | Reduced |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 47,718 | $10.3M | 0.16% | +11,485+31.7% | Added |
| Ilmarinen Mutual Pension Insurance Co | 48,100 | $10.4M | 0.08% | −20,000−29.4% | Reduced |
| Ferguson Wellman Capital Management, Inc | 48,122 | $10.4M | 0.14% | −26,224−35.3% | Reduced |
| IFM Investors Pty Ltd | 50,353 | $10.9M | 0.09% | +2,484+5.2% | Added |
| Newport Capital Group, LLC | 51,306 | $11.1M | 6.77% | −32−0.1% | Reduced |
| Rench Wealth Management, Inc. | 51,772 | $11.2M | 3.37% | +604+1.2% | Added |
| ProShare Advisors LLC | 51,795 | $11.2M | 0.02% | −2,427−4.5% | Reduced |
| GuoLine Advisory Pte Ltd | 52,400 | $11.3M | 1.19% | 00.0% | Unchanged |
| Ci Investments Inc. | 54,053 | $11.7M | 0.06% | +2,250+4.3% | Added |
| Vident Advisory, LLC | 54,750 | $11.9M | 0.10% | −10,591−16.2% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 55,360 | $11.9M | 0.08% | −7,390−11.8% | Reduced |
| British Columbia Investment Management Corp | 55,514 | $12.0M | 0.07% | +10,013+22.0% | Added |
| SEB Asset Management AB | 55,595 | $12.0M | 0.05% | +55,595 | New |
| Teachers Retirement System of the State of Kentucky | 55,764 | $12.1M | 0.09% | +9,257+19.9% | Added |
| Sit Investment Associates Inc | 56,268 | $12.2M | 0.25% | +33,621+148.5% | Added |
| DnB Asset Management AS | 56,631 | $12.3M | 0.04% | +6,376+12.7% | Added |
| Varma Mutual Pension Insurance Co | 57,550 | $12.5M | 0.07% | 00.0% | Unchanged |
| Commerce Bank | 58,062 | $12.6M | 0.06% | +38,235+192.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 59,861 | $13.0M | 0.07% | +127+0.2% | Added |
| MetLife Investment Management | 60,685 | $13.1M | 0.07% | −1,570−2.5% | Reduced |
| Assenagon Asset Management S.A. | 62,280 | $13.5M | 0.02% | +22,423+56.3% | Added |
| Rafferty Asset Management, LLC | 62,480 | $13.5M | 0.05% | −15,866−20.3% | Reduced |
| Running Oak Capital LLC | 62,501 | $13.5M | 1.83% | +7,829+14.3% | Added |
| Nisa Investment Advisors, LLC | 63,086 | $13.7M | 0.05% | −1,223−1.9% | Reduced |
| Gotham Asset Management, LLC | 63,607 | $13.8M | 0.04% | +18,343+40.5% | Added |
| Factory Mutual Insurance Co | 64,500 | $14.0M | 0.16% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 65,970 | $14.3M | 0.04% | +10,694+19.3% | Added |
| North Point Portfolio Managers Corp | 66,482 | $14.4M | 2.56% | −1,113−1.6% | Reduced |
| Lawson Kroeker Investment Management Inc | 66,734 | $14.5M | 4.21% | +2,405+3.7% | Added |
| State of Michigan Retirement System | 67,087 | $14.5M | 0.08% | −100−0.1% | Reduced |
| Taikang Asset Management (Hong Kong) Co Ltd | 68,084 | $14.7M | 1.47% | +8,376+14.0% | Added |
| Baldwin Brothers Inc | 68,934 | $14.9M | 1.08% | −7,031−9.3% | Reduced |
| Cornerstone Advisors, LLC | 69,034 | $15.0M | 0.55% | +46,770+210.1% | Added |
| Czech National Bank | 69,986 | $15.2M | 0.10% | +2,271+3.4% | Added |
| Arizona State Retirement System | 70,371 | $15.2M | 0.09% | −1,840−2.5% | Reduced |
| Beacon Pointe Advisors, LLC | 70,388 | $15.2M | 0.08% | −30,459−30.2% | Reduced |
| Cetera Investment Advisers | 70,403 | $15.2M | 0.02% | −19,980−22.1% | Reduced |
| Investment Management Corp of Ontario | 71,126 | $15.4M | 0.20% | −41,708−37.0% | Reduced |
| United Capital Financial Advisers, LLC | 72,296 | $15.7M | 0.10% | −8,295−10.3% | Reduced |
| CIBC Asset Management Inc | 72,457 | $15.7M | 0.04% | −12,094−14.3% | Reduced |
| US Bancorp | 72,485 | $15.7M | 0.02% | −5,792−7.4% | Reduced |
| Public Sector Pension Investment Board | 73,097 | $15.8M | 0.05% | +7,680+11.7% | Added |
| STRS Ohio | 73,867 | $16.0M | 0.06% | −3,349−4.3% | Reduced |
| Blair William & Co | 74,948 | $16.2M | 0.05% | −13,790−15.5% | Reduced |
| Mountain Pacific Investment Advisers Inc | 75,490 | $16.3M | 2.80% | +1,759+2.4% | Added |
| Tredje AP-fonden | 76,062 | $16.5M | 0.09% | −33,150−30.4% | Reduced |
| Renaissance Technologies LLC | 76,600 | $16.6M | 0.03% | +72,280+1,673.1% | Added |
| Capital International Ltd | 79,967 | $17.3M | 0.64% | −1,040−1.3% | Reduced |
| MML Investors Services, LLC | 81,354 | $17.6M | 0.05% | −95,975−54.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 81,385 | $17.6M | 0.02% | −14,778−15.4% | Reduced |
| Resona Asset Management Co.,Ltd. | 81,877 | $17.7M | 0.09% | −9,446−10.3% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 82,088 | $17.8M | 0.09% | −146−0.2% | Reduced |
| Eventide Asset Management, LLC | 83,670 | $18.1M | 0.30% | −56,204−40.2% | Reduced |
| Calamos Advisors LLC | 85,528 | $18.5M | 0.07% | 00.0% | Unchanged |
| Assetmark, Inc | 86,198 | $18.7M | 0.04% | +12,822+17.5% | Added |
| Victory Capital Management Inc | 87,133 | $18.9M | 0.01% | +1,652+1.9% | Added |
| Handelsbanken Fonder AB | 87,617 | $19.0M | 0.06% | +1,186+1.4% | Added |
| State of New Jersey Common Pension Fund D | 88,079 | $19.1M | 0.07% | −219−0.2% | Reduced |
| Generate Investment Management Ltd | 90,000 | $19.5M | 0.96% | +60,000+200.0% | Added |
| Verition Fund Management LLC | 90,646 | $19.6M | 0.19% | +85,305+1,597.2% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 90,874 | $19.7M | 0.11% | +14,920+19.6% | Added |
| Truist Financial Corp | 92,123 | $20.0M | 0.03% | −16,020−14.8% | Reduced |
| Swedbank AB | 93,055 | $20.2M | 0.02% | −268−0.3% | Reduced |
| CI Private Wealth, LLC | 93,146 | $20.2M | 0.03% | −5,047−5.1% | Reduced |
| Creative Planning | 94,112 | $20.4M | 0.01% | +7,791+9.0% | Added |
| KLP Kapitalforvaltning AS | 94,530 | $20.5M | 0.08% | +4,040+4.5% | Added |
| ARS Investment Partners, LLC | 95,135 | $20.6M | 1.07% | +12,381+15.0% | Added |
| State of Tennessee, Treasury Department | 96,780 | $21.0M | 0.07% | −12,688−11.6% | Reduced |
| Professional Advisory Services Inc | 97,081 | $21.0M | 2.90% | +18,633+23.8% | Added |
| Philo Smith Capital Corp | 97,725 | $21.2M | 6.04% | +10,000+11.4% | Added |
| Mn Services Vermogensbeheer B.V. | 97,921 | $21.2M | 0.14% | −700−0.7% | Reduced |
| Distillate Capital Partners LLC | 98,409 | $21.3M | 1.12% | +22,166+29.1% | Added |
| Premier Fund Managers Ltd | 99,264 | $21.4M | 1.52% | −6,239−5.9% | Reduced |
| Lighthouse Investment Partners, LLC | 99,104 | $21.5M | 0.81% | +40,216+68.3% | Added |
| Nomura Asset Management International Inc. | 99,164 | $21.5M | 0.04% | +7,081+7.7% | Added |
| Public Employees Retirement System of Ohio | 100,800 | $21.8M | 0.07% | −433−0.4% | Reduced |
| Cornerstone Capital, Inc. | 103,213 | $22.4M | 2.23% | +5,068+5.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 104,503 | $22.6M | 0.05% | −1,055−1.0% | Reduced |
| Toronto Dominion Bank | 107,353 | $23.3M | 0.04% | −56,202−34.4% | Reduced |
| Treasurer of the State of North Carolina | 108,569 | $23.5M | 0.07% | +2,315+2.2% | Added |
| Cullen/Frost Bankers, Inc. | 110,386 | $23.9M | 0.27% | +3,228+3.0% | Added |
| Pictet Asset Management Holding SA | 110,629 | $24.0M | 0.03% | −43,775−28.4% | Reduced |
| DekaBank Deutsche Girozentrale | 109,639 | $24.1M | 0.04% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 112,832 | $24.4M | 0.02% | +33,317+41.9% | Added |
| Massachusetts Financial Services Co | 114,514 | $24.8M | 0.01% | −20,398−15.1% | Reduced |
| Credit Agricole S A | 115,259 | $25.0M | 0.08% | −191,129−62.4% | Reduced |
| Gillson Capital LP | 115,742 | $25.1M | 2.05% | +115,742 | New |
| Mitsubishi UFJ Trust & Banking Corp | 118,087 | $25.6M | 0.06% | −27,092−18.7% | Reduced |
| Life Cycle Investment Partners Ltd | 118,818 | $25.7M | 0.16% | +42,643+56.0% | Added |
| The PNC Financial Services Group, Inc. | 119,356 | $25.9M | 0.01% | +32,423+37.3% | Added |
| KBC Group NV | 122,358 | $26.5M | 0.07% | −21,321−14.8% | Reduced |
| Prudential Financial Inc | 123,053 | $26.7M | 0.03% | −3,107−2.5% | Reduced |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 125,585 | $27.2M | 0.51% | +8,600+7.4% | Added |
| Dearborn Partners LLC | 125,858 | $27.3M | 1.48% | −8,078−6.0% | Reduced |
| Asset Management One Co.,Ltd. | 127,509 | $27.6M | 0.08% | −160.0% | Reduced |