Paul Isaac's Arbiter Partners Capital Management reported a portfolio value of about $367.5M for 2026 Q2, up 149% from about $147.4M a quarter earlier, according to the 13F-HR/A filed with the SEC on September 15, 2026. A 13F marks the positions it lists at quarter-end prices. The rise can come from purchases, from prices, or from assets moving into the form, and the filing does not separate them.
What did the 2026 Q2 filing report?
As of June 30, 2026, from the 13F-HR/A filed September 15, 2026.
| Before | After | |
|---|---|---|
| Reported value | $147.4M | $367.5M |
| Positions | 40 | 42 |
| Largest holding | GRAL at 38.42% |
What rose, and by how much?
Paul Isaac opened 5 stock positions in 2026 Q2 and added to 36; it closed 3 and trimmed 1.
What does the Paul Isaac portfolio look like now?
Paul Isaac's Arbiter Partners Capital Management reported 42 stock positions in its 2026 Q2 portfolio, up from 40 a quarter earlier. The total portfolio value is about $367.5M, up 149% from the prior quarter. The largest stock position is GRAL at 38.42%. Next come GEF-B at 9.86% and CRBG at 6.19%. The three largest stocks together are 54.47% of the book.
FAQ
How much did the reported value of Paul Isaac rise?
The reported portfolio value of Paul Isaac rose 149%, from about $147.4M to about $367.5M as of 2026 Q2.
Did Paul Isaac buy positions or did prices rise?
A 13F marks the positions it lists at quarter-end prices. The rise can come from purchases, from prices, or from assets moving into the form, and the filing does not separate them. The filing shows 5 positions opened and 36 added to.
What is the largest holding of Paul Isaac now?
The largest stock position of Paul Isaac as of 2026 Q2 is GRAL at 38.42% of the reported book.