OpCo 13F-HR
Latest investment books from operating companies we track — corporate treasury, insurance float, holding-company equity. Not superinvestor Activity. Superinvestor firehose → Newest 13Fs. Issuer reports → Company filings.
payments
shown
1
today
0
7d
0
14d
0
tracked
26
latest book per company · top holdings · open company or period
| company | period | top holds | aum | holds |
|---|---|---|---|---|
| 7 Aug 1 | ||||
| American Express Co | 2026 Q2 | $1.5B | 1 | |
Latest book per operating company we track. Soft QoQ narrative → 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.