Benchmark Mortgage Trust Benchmark Mortgage Trust, Series 2018-B1, Class E is a security (CUSIP 08162PAJ0) tracked across SEC portfolio filings. 1 registered fund positions totaling $594K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Putnam Mortgage Securities Fund | Putnam Mortgage Securities Fund | $594K | 15.36% |