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 |
|---|---|---|---|---|---|
| Grimes & Company, Inc. | 10,627 | $2.30M | 0.06% | −2,244−17.4% | Reduced |
| GAM Holding AG | 10,864 | $2.35M | 0.21% | −9,050−45.4% | Reduced |
| New Age Alpha Advisors, LLC | 10,922 | $2.37M | 0.11% | −1,636−13.0% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 11,007 | $2.38M | 0.07% | −156−1.4% | Reduced |
| Jane Street Group, LLC | 11,222 | $2.43M | 0.00% | −1,574−12.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 11,263 | $2.44M | 0.00% | +89+0.8% | Added |
| Iams Wealth Management, LLC | 11,493 | $2.49M | 0.87% | +1,936+20.3% | Added |
| ING Groep NV | 11,671 | $2.53M | 0.02% | −182−1.5% | Reduced |
| Tilia Fiduciary Partners, Inc. | 11,745 | $2.54M | 1.40% | +919+8.5% | Added |
| Chicago Capital, LLC | 11,761 | $2.55M | 0.07% | +48+0.4% | Added |
| Vontobel Holding Ltd. | 11,777 | $2.55M | 0.01% | +953+8.8% | Added |
| Bollard Group LLC | 11,832 | $2.56M | 0.08% | +33+0.3% | Added |
| New Mexico Educational Retirement Board | 11,850 | $2.57M | 0.08% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 11,886 | $2.57M | 0.05% | −1,702−12.5% | Reduced |
| Trust Co of Toledo NA | 12,218 | $2.65M | 0.25% | −300−2.4% | Reduced |
| Andra AP-fonden | 12,347 | $2.67M | 0.03% | −25,853−67.7% | Reduced |
| Neuberger Berman Group LLC | 12,368 | $2.68M | 0.00% | −29−0.2% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 12,451 | $2.70M | 0.01% | +7,238+138.8% | Added |
| Abn Amro Investment Solutions | 12,501 | $2.71M | 0.04% | +102+0.8% | Added |
| Elwood Capital Partners LP | 12,510 | $2.71M | 2.62% | +7,510+150.2% | Added |
| B. Metzler seel. Sohn & Co. AG | 12,529 | $2.71M | 0.03% | +850+7.3% | Added |
| Maryland State Retirement & Pension System | 12,638 | $2.74M | 0.06% | 00.0% | Unchanged |
| Nelson Capital Management, LLC | 12,908 | $2.80M | 0.34% | −179−1.4% | Reduced |
| Arthur M. Cohen & Associates, LLC | 12,938 | $2.80M | 0.50% | −756−5.5% | Reduced |
| RSM US Wealth Management LLC | 13,086 | $2.83M | 0.03% | +3,673+39.0% | Added |
| Louisiana State Employees Retirement System | 13,100 | $2.84M | 0.05% | 00.0% | Unchanged |
| Blackstone Group Inc. | 13,368 | $2.90M | 0.01% | +13,368 | New |
| Legacy Wealth Management, LLC | 13,491 | $2.92M | 0.83% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 13,501 | $2.92M | 0.10% | −3,794−21.9% | Reduced |
| New Vernon Investment Management LLC | 13,508 | $2.93M | 3.11% | +13,508 | New |
| First Nebraska Trust Co | 13,604 | $2.95M | 0.27% | +1,315+10.7% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 13,653 | $2.96M | 0.00% | −18,381−57.4% | Reduced |
| Oxbow Advisors, LLC | 13,800 | $2.99M | 0.25% | −520−3.6% | Reduced |
| Wealthspire Advisors, LLC | 13,810 | $2.99M | 0.02% | −588−4.1% | Reduced |
| Norinchukin Bank, The | 13,948 | $3.02M | 0.04% | −41−0.3% | Reduced |
| Coldstream Capital Management Inc | 14,087 | $3.05M | 0.04% | +524+3.9% | Added |
| Lido Advisors, LLC | 14,348 | $3.11M | 0.01% | +5,790+67.7% | Added |
| James Investment Research Inc | 14,534 | $3.15M | 0.35% | −9,437−39.4% | Reduced |
| Hartford Investment Management Co | 14,640 | $3.17M | 0.10% | −251−1.7% | Reduced |
| Ballew Advisors, Inc | 14,905 | $3.26M | 1.84% | +10+0.1% | Added |
| Private Management Group Inc | 15,076 | $3.27M | 0.09% | −2,313−13.3% | Reduced |
| Romano Brothers and Company | 15,163 | $3.28M | 0.37% | −9−0.1% | Reduced |
| Clearstead Advisors, LLC | 15,506 | $3.36M | 0.03% | −1,107−6.7% | Reduced |
| Mizuho Securities USA LLC | 15,535 | $3.36M | 0.08% | −3,164−16.9% | Reduced |
| Bessemer Group Inc | 15,629 | $3.38M | 0.01% | +1,438+10.1% | Added |
| Pinnacle Financial Partners, Inc. | 15,725 | $3.41M | 0.03% | +489+3.2% | Added |
| Susquehanna International Group, LLP | 15,800 | $3.42M | 0.00% | −19,239−54.9% | Reduced |
| Journey Advisory Group, LLC | 15,830 | $3.43M | 0.29% | −1,115−6.6% | Reduced |
| Sovereign's Capital Management, LLC | 15,998 | $3.47M | 2.55% | +4,924+44.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 16,138 | $3.50M | 0.01% | −6,513−28.8% | Reduced |
| Thrivent Financial for Lutherans | 16,336 | $3.54M | 0.01% | −4,366−21.1% | Reduced |
| Obion Capital Management LP | 16,359 | $3.54M | 3.49% | −3,500−17.6% | Reduced |
| Barbara Oil Co. | 16,500 | $3.57M | 1.38% | 00.0% | Unchanged |
| Brookmont Capital Management | 16,508 | $3.58M | 2.00% | +736+4.7% | Added |
| Sanctuary Advisors, LLC | 16,653 | $3.61M | 0.02% | −2,136−11.4% | Reduced |
| Park Avenue Securities LLC | 16,657 | $3.61M | 0.03% | −18,720−52.9% | Reduced |
| BFSG, LLC | 16,720 | $3.62M | 0.34% | −395−2.3% | Reduced |
| Eurizon Capital SGR S.p.A. | 16,750 | $3.63M | 0.01% | −3,050−15.4% | Reduced |
| Osmosis Investment Management UK Ltd | 16,859 | $3.65M | 0.10% | +1,066+6.7% | Added |
| Atria Investments LLC | 17,029 | $3.69M | 0.04% | −845−4.7% | Reduced |
| Community Trust & Investment Co | 17,032 | $3.69M | 0.20% | +17,032 | New |
| Capital Group Investment Management Pte. Ltd. | 17,108 | $3.71M | 0.63% | +37+0.2% | Added |
| Sitrin Capital Management LLC | 17,143 | $3.71M | 1.86% | 00.0% | Unchanged |
| Central Trust Co | 17,201 | $3.73M | 0.07% | −1,731−9.1% | Reduced |
| PFG Advisors | 17,892 | $3.88M | 0.19% | +165+0.9% | Added |
| Quantitative Investment Management, LLC | 17,960 | $3.89M | 0.40% | +9,752+118.8% | Added |
| AIA Group Ltd | 18,195 | $3.94M | 0.06% | −8,114−30.8% | Reduced |
| First American Bank | 18,446 | $4.00M | 0.25% | −273−1.5% | Reduced |
| First Manhattan Co | 18,460 | $4.00M | 0.01% | −3,627−16.4% | Reduced |
| Sand Hill Global Advisors, LLC | 18,682 | $4.05M | 0.14% | +18,682 | New |
| Elo Mutual Pension Insurance Co | 18,961 | $4.11M | 0.07% | −5,651−23.0% | Reduced |
| Schroder Investment Management Group | 19,027 | $4.11M | 0.00% | −75,572−79.9% | Reduced |
| Polar Asset Management Partners Inc. | 19,000 | $4.12M | 0.10% | +19,000 | New |
| Financiere des Professionnels - Fonds d,investissement inc. | 19,392 | $4.20M | 0.25% | +19,392 | New |
| Atlantic Union Bankshares Corp | 19,446 | $4.21M | 0.08% | −92−0.5% | Reduced |
| Ariel Investments, LLC | 19,764 | $4.28M | 0.05% | +4,407+28.7% | Added |
| Gulf International Bank (UK) Ltd | 19,789 | $4.29M | 0.10% | +7,280+58.2% | Added |
| Family Legacy, Inc. | 19,960 | $4.32M | 1.30% | +25+0.1% | Added |
| Pacer Advisors, Inc. | 20,170 | $4.37M | 0.01% | −50.0% | Reduced |
| Allstate Corp | 20,264 | $4.39M | 0.05% | +735+3.8% | Added |
| Callan Family Office, LLC | 20,312 | $4.40M | 0.10% | −6,703−24.8% | Reduced |
| Ieq Capital, LLC | 20,598 | $4.46M | 0.02% | +119+0.6% | Added |
| Candriam Luxembourg S.C.A. | 20,642 | $4.47M | 0.02% | +342+1.7% | Added |
| Silvercrest Asset Management Group LLC | 20,790 | $4.50M | 0.03% | +3,057+17.2% | Added |
| Reuter James Wealth Management, LLC | 21,022 | $4.55M | 0.65% | −6,336−23.2% | Reduced |
| Wendell David Associates Inc | 21,164 | $4.58M | 0.50% | +1,562+8.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 21,395 | $4.63M | 0.01% | +1,405+7.0% | Added |
| Cary Street Partners Financial LLC | 21,607 | $4.68M | 0.12% | +21,383+9,546.0% | Added |
| Macquarie Group Ltd | 21,618 | $4.68M | 0.03% | −12,230−36.1% | Reduced |
| TD Waterhouse Canada Inc. | 21,819 | $4.70M | 0.01% | +20,868+2,194.3% | Added |
| Winton Group Ltd | 21,720 | $4.70M | 0.17% | +21,720 | New |
| Chicago Partners Investment Group LLC | 21,412 | $4.73M | 0.11% | +499+2.4% | Added |
| Alley Investment Management Company, LLC | 22,095 | $4.79M | 0.58% | −18,650−45.8% | Reduced |
| M&T Bank Corp | 22,239 | $4.82M | 0.02% | −634−2.8% | Reduced |
| EagleClaw Capital Managment, LLC | 22,300 | $4.83M | 0.68% | +19,480+690.8% | Added |
| Mariner, LLC | 22,407 | $4.85M | 0.01% | −26,378−54.1% | Reduced |
| Janney Montgomery Scott LLC | 22,462 | $4.87M | 0.01% | −17,115−43.2% | Reduced |
| Natixis | 22,524 | $4.88M | 0.02% | −44,125−66.2% | Reduced |
| Seizert Capital Partners, LLC | 22,538 | $4.88M | 0.22% | +8,738+63.3% | Added |
| Aptus Capital Advisors, LLC | 22,777 | $4.93M | 0.04% | +17,690+347.7% | Added |