BENCHMARK Mortgage Trust Benchmark 2021-B28 Mortgage Trust is a security (CUSIP 08163GAZ3) tracked across SEC portfolio filings. 4 registered fund positions totaling $6.5M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| DoubleLine Core Fixed Income Fund | DoubleLine Funds Trust | $4.0M | 5.87% |
| MFS Limited Maturity Fund | MFS Series Trust IX | $2.3M | 7.00% |
| MFS CHARTER INCOME TRUST | MFS CHARTER INCOME TRUST | $100K | 3.68% |
| MFS GOVERNMENT MARKETS INCOME TRUST | MFS GOVERNMENT MARKETS INCOME TRUST | $94K | 9.46% |