# DIAMONDBACK ENERGY INC Diamondback Energy Inc

DIAMONDBACK ENERGY INC Diamondback Energy Inc is a security (CUSIP 25278XAQ2) tracked across SEC portfolio filings. 5 registered fund positions totaling $5.1M via N-PORT as of 2026-03-31.

## Summary

- Issuer: DIAMONDBACK ENERGY INC
- Class: Diamondback Energy Inc
- CUSIP: 25278XAQ2
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 5
- N-PORT value: $5.1M
- N-PORT report: 2026-03-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Master Total Return Portfolio](https://search.stillhousedata.com/fund/S000004067) | Master Bond LLC | $4.0M | 2.10% |
| [GENERAL ELECTRIC RSP INCOME FUND](https://search.stillhousedata.com/fund/S000011837) | GENERAL ELECTRIC RSP INCOME FUND | $743K | 3.79% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $399K | 0.07% |
| [ELFUN INCOME FUND](https://search.stillhousedata.com/fund/S000011831) | ELFUN INCOME FUND | $7K | 0.63% |
| [ELFUN DIVERSIFIED FUND](https://search.stillhousedata.com/fund/S000011823) | ELFUN DIVERSIFIED FUND | $2K | 0.13% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/25278XAQ2.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.