# QUEST DIAGNOSTICS INC Quest Diagnostics Inc

QUEST DIAGNOSTICS INC Quest Diagnostics Inc is a security (CUSIP 74834LBE9) tracked across SEC portfolio filings. 6 registered fund positions totaling $3.3M via N-PORT as of 2026-05-29.

## Summary

- Issuer: QUEST DIAGNOSTICS INC
- Class: Quest Diagnostics Inc
- CUSIP: 74834LBE9
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 6
- N-PORT value: $3.3M
- N-PORT report: 2026-05-29

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Advantage CoreAlpha Bond Master Portfolio](https://search.stillhousedata.com/fund/S000062381) | Master Investment Portfolio II | $1.1M | 16.80% |
| [BlackRock Balanced Fund, Inc.](https://search.stillhousedata.com/fund/S000002175) | BlackRock Balanced Fund, Inc. | $894K | 4.91% |
| [Western Asset Ultra-Short Income Fund](https://search.stillhousedata.com/fund/S000016624) | Legg Mason Partners Income Trust | $573K | 11.96% |
| [Voya Short Duration Bond Fund](https://search.stillhousedata.com/fund/S000039383) | Voya Funds Trust | $253K | 6.82% |
| [BlackRock Balanced Portfolio](https://search.stillhousedata.com/fund/S000003863) | BlackRock Series Fund, Inc. | $221K | 4.75% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $201K | 0.03% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/74834LBE9.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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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.