County of Middlesex NJ MIDDLESEX CNTY NJ COPS is a security (CUSIP 596562JB5) tracked across SEC portfolio filings. 2 registered fund positions totaling $6.3M via N-PORT as of 2026-04-30.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| BlackRock MuniYield New Jersey Fund, Inc. | BlackRock MuniYield New Jersey Fund, Inc. | $3.2M | 87.55% |
| BlackRock MuniHoldings New Jersey Quality Fund, Inc. | BlackRock MuniHoldings New Jersey Quality Fund, Inc. | $3.1M | 45.96% |