# Merck & Co Inc MERCK & CO INC

Merck & Co Inc MERCK & CO INC is a security (CUSIP 589331AS6) tracked across SEC portfolio filings. 1 registered fund positions totaling $761K via N-PORT as of 2026-03-31.

## Summary

- Issuer: Merck & Co Inc
- Class: MERCK & CO INC
- CUSIP: 589331AS6
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 1
- N-PORT value: $761K
- N-PORT report: 2026-03-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD LONG-TERM BOND INDEX FUND](https://search.stillhousedata.com/fund/S000002562) | VANGUARD BOND INDEX FUNDS | $761K | 0.88% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/589331AS6.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.