# DIAMONDBACK ENERGY INC

DIAMONDBACK ENERGY INC is a security (CUSIP 25278XAX7) tracked across SEC portfolio filings. 10 registered fund positions totaling $16.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: DIAMONDBACK ENERGY INC
- CUSIP: 25278XAX7
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 10
- N-PORT value: $16.2M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [T. Rowe Price Short-Term Bond Fund, Inc.](https://search.stillhousedata.com/fund/S000002141) | T. ROWE PRICE SHORT-TERM BOND FUND, INC. | $5.5M | 10.23% |
| [MFS Limited Maturity Fund](https://search.stillhousedata.com/fund/S000002495) | MFS Series Trust IX | $4.4M | 13.19% |
| [Pioneer Short Term Income Fund](https://search.stillhousedata.com/fund/S000010228) | Pioneer Short Term Income Fund | $2.8M | 24.60% |
| [Western Asset Ultra-Short Income Fund](https://search.stillhousedata.com/fund/S000016624) | Legg Mason Partners Income Trust | $1.1M | 23.36% |
| [BlackRock Total Return Fund](https://search.stillhousedata.com/fund/S000004071) | BlackRock Bond Fund, Inc. | $1.1M | 0.62% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $716K | 0.12% |
| [Voya Short Duration Bond Fund](https://search.stillhousedata.com/fund/S000039383) | Voya Funds Trust | $250K | 6.73% |
| [T. Rowe Price Limited-Term Bond Portfolio](https://search.stillhousedata.com/fund/S000002129) | T. ROWE PRICE FIXED INCOME SERIES, INC. | $242K | 10.67% |
| [Build Bond Innovation ETF](https://search.stillhousedata.com/fund/S000074231) | Build Funds Trust | $42K | 33.44% |
| [Six Circles Global Bond Fund](https://search.stillhousedata.com/fund/S000068181) | SIX CIRCLES TRUST | $30K | 0.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/25278XAX7.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.