Investigate / reported ownership
AJG
Arthur J Gallagher & CO
7 tracked reported owners · snapshot updated 2026-10-04. Delayed disclosures, not live holdings or an investment recommendation.
Who reports owning AJG?
Select a manager to inspect their portfolio. Reports may cover different quarters; portfolio weights describe disclosed long 13F holdings, not total economic exposure.
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Dodge & Cox Funds | 1.1% | 3q | $2.15B | 9,363,634 |
| 2 | First Pacific Advisors | 3.8% | 2q | $307M | 1,336,290 |
| 3 | Glenn Greenberg | 6.4% | — 1q | $295M | 1,285,022 |
| 4 | Mairs & Power Funds | 0.7% | 6q | $72M | 311,539 |
| 5 | Joel Greenblatt | <0.1% | 37q | $25M | 110,798 |
Go beyond ownership.
Gallagher provides insurance and reinsurance brokerage, consulting, and third-party claims settlement and administration services to businesses and individuals worldwide.
Question to investigate: Can Gallagher keep integrating large acquisitions and maintain its brokerage and claims services without the risks noted in its filings undermining results?
Company research reviewed 2026-10-02; a dated source-linked starting point, not the investors’ stated reasons.
Understand the business and investment case →Filing dates and original SEC sources
- Dodge & Cox Funds · 2026Q2 · filed 2026-08-13 ↗
- First Pacific Advisors · 2026Q2 · filed 2026-08-14 ↗
- Glenn Greenberg · 2026Q2 · filed 2026-08-14 ↗
- Mairs & Power Funds · 2026Q2 · filed 2026-08-14 ↗
- Joel Greenblatt · 2026Q2 · filed 2026-09-02 ↗
- Torray Funds · 2026Q2 · filed 2026-07-30 ↗
- John Rogers · 2026Q2 · filed 2026-08-14 ↗
Reported position changes
Net disclosed share changes—not individual trades or execution dates. NEW has no prior-position percentage comparison; EXIT weight refers to the previous report.
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| Glenn Greenberg | NEW | 6.4% | New position | $295M | Aug 14, 2026 |
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Long US 13F disclosures omit shorts and can be amended. CUSIP 363576109. No current price, valuation or manager motive is inferred.