Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,205 institutional managers reported holding AJG for the quarter ended Mar 31, 2026. Together they hold about 82% of shares outstanding; the top 10 hold 45%. 140 opened new positions; 206 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 31.73M | 12.34% | $6.87B | added +1% | ≤2013 |
| BlackRock | 19.31M | 7.51% | $4.18B | unchanged | ≤2013 |
| FMR (Fidelity) | 14.62M | 5.69% | $3.17B | trimmed -3.2% | ≤2013 |
| Capital Group (American Funds) | 13.82M | 5.37% | $2.99B | added +9.5% | 2022 Q3 |
| State Street | 10.97M | 4.27% | $2.38B | unchanged | ≤2013 |
| Dodge & Cox | 7.35M | 2.86% | $1.59B | added +735.2% | 2025 Q4 |
| Geode Capital | 6.24M | 2.43% | $1.35B | added +3.8% | ≤2013 |
| Morgan Stanley | 4.06M | 1.58% | $878.5M | trimmed -47.8% | ≤2013 |
| Principal Financial Group INC | 3.25M | 1.26% | $704.2M | added +14.3% | ≤2013 |
| Capital Research Global Investors | 2.98M | 1.16% | $645.4M | added +92.5% | 2024 Q2 |
| Eagle Capital Management LLC | 2.67M | 1.04% | $577.3M | opened | 2026 Q1 |
| Capital International Investors | 2.60M | 1.01% | $562.4M | trimmed -58.7% | 2020 Q2 |
| Wellington Management | 2.58M | 1.00% | $559.5M | trimmed -12.9% | 2014 Q2 |
| UBS | 2.44M | 0.95% | $528.2M | trimmed -3.4% | ≤2013 |
| Gtcr LLC (focused) | 2.37M | 0.92% | $514.1M | opened | 2026 Q1 |
| WCM Investment Management | 2.36M | 0.92% | $511.7M | trimmed -0.7% | 2022 Q3 |
| Northern Trust | 2.23M | 0.87% | $482.9M | unchanged | ≤2013 |
| Charles Schwab Investment Management | 2.11M | 0.82% | $456.9M | added +3.2% | ≤2013 |
| Janus Henderson | 1.97M | 0.77% | $426.9M | added +5.4% | ≤2013 |
| Franklin Resources | 1.95M | 0.76% | $423.2M | added +400.7% | ≤2013 |
| Goldman Sachs | 1.95M | 0.76% | $423.0M | added +14.3% | ≤2013 |
| Bank OF America CORP /DE/ | 1.85M | 0.72% | $401.6M | added +23% | ≤2013 |
| Invesco | 1.72M | 0.67% | $371.6M | trimmed -1% | ≤2013 |
| Brown Advisory INC | 1.58M | 0.61% | $342.3M | trimmed -22.1% | ≤2013 |
| Mitsubishi UFJ Asset Management CO., LTD. | 1.42M | 0.55% | $307.4M | trimmed -55.7% | 2015 Q2 |
| Focus Partners Wealth | 1.38M | 0.54% | $298.7M | added +114.1% | 2023 Q4 |
| Legal & General Group PLC | 1.37M | 0.53% | $297.5M | unchanged | ≤2013 |
| BNY Mellon | 1.29M | 0.50% | $278.8M | trimmed -1.5% | ≤2013 |
| FIL LTD | 1.21M | 0.47% | $262.0M | trimmed -7.5% | 2016 Q4 |
| APG Asset Management N.v. | 1.18M | 0.46% | $255.0M | unchanged | 2019 Q3 |
| Beck Mack & Oliver LLC | 1.06M | 0.41% | $230.1M | added +20.9% | ≤2013 |
| Brown Brothers Harriman & CO | 1.03M | 0.40% | $223.4M | added +0.6% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 986.6k | 0.38% | $213.7M | trimmed -74.1% | 2022 Q3 |
| Envestnet Asset Management INC | 977.3k | 0.38% | $211.7M | trimmed -20% | ≤2013 |
| Amundi | 939.8k | 0.37% | $203.5M | added +1% | 2017 Q4 |
| Guinness Asset Management LTD | 901.9k | 0.35% | $195.3M | added +12% | ≤2013 |
| Artisan Partners | 884.9k | 0.34% | $191.7M | added +332% | 2025 Q4 |
| Dimensional Fund Advisors | 853.2k | 0.33% | $184.8M | added +5.9% | ≤2013 |
| Woodline Partners LP | 840.7k | 0.33% | $182.1M | added +57% | 2024 Q1 |
| Boston Partners | 808.3k | 0.31% | $175.1M | trimmed -2.6% | 2023 Q1 |
| CalPERS | 789.5k | 0.31% | $171.0M | added +46.7% | ≤2013 |
| AllianceBernstein | 781.1k | 0.30% | $169.2M | trimmed -1.5% | ≤2013 |
| Citadel Advisors | 762.7k | 0.30% | $165.2M | added +22.2% | ≤2013 |
| Deutsche Bank AG\ | 755.0k | 0.29% | $163.5M | added +11.4% | 2013 Q3 |
| Swiss National Bank | 753.7k | 0.29% | $163.2M | added +7.3% | ≤2013 |
| Viking Global | 727.4k | 0.28% | $157.5M | trimmed -30.1% | 2025 Q1 |
| Nuveen | 715.1k | 0.28% | $154.9M | added +4.8% | ≤2013 |
| Brandes Investment Partners, LP | 701.3k | 0.27% | $151.9M | opened | 2026 Q1 |
| Stonehage Fleming Financial Services Holdings LTD | 650.1k | 0.25% | $140.8M | trimmed -3% | 2023 Q3 |
| BLS Capital Fondsmaeglerselskab A/S (focused) | 647.0k | 0.25% | $140.1M | opened | 2026 Q1 |
Largest 50 of 1,205 shown; the full ranked, searchable register is at boothcheck.com/holders/AJG. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.