OpCo 13F-HR
13Fs filed by operating companies rather than investment managers: the stocks held by corporate treasuries, insurers and holding companies. For investment managers, see Newest 13Fs.
filed 7d
Each company's latest 13F, with its top holdings. Tap a book type under a name to filter.
| Company | Period | Top holdings | AUM | Holds |
|---|---|---|---|---|
| 5 Nov yesterday 1 | ||||
| Aflac Insurance float | 2026 Q3 | $88M | 4 | |
| 3 Nov 3d ago 2 | ||||
| Amazon.com Tech treasury | 2026 Q3 | $3.8B | 6 | |
| Cincinnati Financial Insurance float | 2026 Q3 | $5.3B | 57 | |
Latest book per operating company we track. How their holdings changed last quarter is on OpCo 13F-HR changes. Superinvestor amendments stay on Newest 13Fs. Berkshire, Markel, and dual-identity names stay on Featured managers. Values as filed. Not investment advice.