Investigate / reported ownership
CB
Chubb Limited
8 tracked reported owners · snapshot updated 2026-10-04. Delayed disclosures, not live holdings or an investment recommendation.
Who reports owning CB?
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 | Warren Buffett | 3.9% | 12q | $11.67B | 34,249,183 |
| 2 | Christopher Davis | 1.7% | 40q | $391M | 1,148,090 |
| 3 | Joel Greenblatt | 0.1% | 38q | $140M | 409,669 |
| 4 | Viking Global Investors | 0.4% | 19q | $129M | 377,312 |
| 5 | David Rolfe | 4.8% | 3q | $23M | 68,039 |
Go beyond ownership.
Chubb provides commercial and consumer property-and-casualty, accident-and-health, reinsurance and life coverage, alongside commercial risk-management, engineering and claims services.
Question to investigate: Can disciplined underwriting and diversification keep producing profitable results when catastrophe losses and reserve estimates prove harder to predict than expected?
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
- Warren Buffett · 2026Q2 · filed 2026-08-14 ↗
- Christopher Davis · 2026Q2 · filed 2026-08-11 ↗
- Joel Greenblatt · 2026Q2 · filed 2026-09-02 ↗
- Viking Global Investors · 2026Q2 · filed 2026-08-14 ↗
- David Rolfe · 2026Q2 · filed 2026-08-14 ↗
- Robert Olstein · 2026Q1 · filed 2026-04-21 ↗
- Mairs & Power Funds · 2026Q2 · filed 2026-08-14 ↗
- Dodge & Cox Funds · 2026Q2 · filed 2026-08-13 ↗
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 |
|---|---|---|---|---|---|
| David Rolfe | ADD | 4.8% | +26% | $23M | Aug 14, 2026 |
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Long US 13F disclosures omit shorts and can be amended. CUSIP H1467J104. No current price, valuation or manager motive is inferred.