Arthur J. Gallagher & Co.
AJGLast close · Oct 16, 2026254.88+4.78 (+1.91%)
Market cap$65.3B
Of the 85 managers this site tracks, 6 held Arthur J. Gallagher (AJG) at the end of Q2 2026, their latest 13Fs. The largest position by value was Dodge & Cox's, $2.1B; First Pacific Advisors's ($306.8M) and Glenn Greenberg's ($295.0M) follow. No Schedule 13D or 13G is on file for AJG from the activists and large holders the site follows.
Superinvestors holding AJG
| Manager | Firm | Quarter | Shares | Value |
|---|---|---|---|---|
| Dodge & Cox | Dodge & Cox | Q2 2026 | 9M | $2.1B |
| First Pacific Advisors | First Pacific Advisors, LP | Q2 2026 | 1M | $306.8M |
| Glenn Greenberg | Brave Warrior Advisors, LLC | Q2 2026 | 1M | $295.0M |
| Mairs & Power | Mairs & Power Inc | Q2 2026 | 311,539 | $71.5M |
| Torray | Torray Investment Partners LLC | Q2 2026 | 26,276 | $6.0M |
| John Rogers | Ariel Investments, LLC | Q2 2026 | 18,597 | $4.3M |
13D/13G are SEC beneficial-ownership disclosures, triggered only above 5%; a 13F is a quarterly snapshot filed up to 45 days after quarter end. Superinvestor names link to their full portfolios under Investors.