JP MORGAN MORTGAGE TRUST 2021-4 JPMMT 2021-4 B1 is a security (CUSIP 46652VBT1) tracked across SEC portfolio filings. 1 registered fund positions totaling $1.2M via N-PORT as of 2026-04-30.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| NYLI MacKay Core Plus Bond ETF | New York Life Investments Active ETF Trust | $1.2M | 38.16% |