Merck & Co., Inc MRK 6.55 09/15/37 is a security (CUSIP 806605AH4) tracked across SEC portfolio filings. 1 registered fund positions totaling $718K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| BlackRock Total Return Fund | BlackRock Bond Fund, Inc. | $718K | 0.40% |