# Diamondback Energy Inc DIAMONDBACK ENER

Diamondback Energy Inc DIAMONDBACK ENER is a security (CUSIP 25278XBC2) tracked across SEC portfolio filings. 11 registered fund positions totaling $39.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Diamondback Energy Inc
- Class: DIAMONDBACK ENER
- CUSIP: 25278XBC2
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 11
- N-PORT value: $39.7M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD INTERMEDIATE-TERM BOND INDEX FUND](https://search.stillhousedata.com/fund/S000002561) | VANGUARD BOND INDEX FUNDS | $15.8M | 3.05% |
| [College Retirement Equities Fund - Responsible Balanced Account](https://search.stillhousedata.com/fund/S000005086) | College Retirement Equities Fund | $6.2M | 3.03% |
| [Nomura Diversified Income Fund](https://search.stillhousedata.com/fund/S000003911) | Delaware Group Adviser Funds | $5.0M | 21.95% |
| [PIMCO Active Bond Exchange-Traded Fund](https://search.stillhousedata.com/fund/S000033233) | PIMCO ETF Trust | $2.8M | 3.56% |
| [Fixed Income SHares: Series M](https://search.stillhousedata.com/fund/S000004803) | PIMCO Managed Accounts Trust | $2.7M | 13.65% |
| [Harbor Core Bond Fund](https://search.stillhousedata.com/fund/S000061981) | HARBOR FUNDS | $2.4M | 14.43% |
| [Federated Hermes Corporate Bond Fund](https://search.stillhousedata.com/fund/S000009106) | Federated Hermes Investment Series Funds, Inc. | $1.7M | 17.34% |
| [Capital Income Builder](https://search.stillhousedata.com/fund/S000009000) | Capital Income Builder | $1.0M | 0.08% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $900K | 0.15% |
| [BNY Mellon Balanced Opportunity Fund](https://search.stillhousedata.com/fund/S000000342) | BNY Mellon Investment Funds VI | $856K | 28.96% |
| [Catholic Values Fixed Income Fund](https://search.stillhousedata.com/fund/S000048321) | SEI CATHOLIC VALUES TRUST | $332K | 14.75% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/25278XBC2.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.