# Mammoth Energy Services funding: rounds and investors

> Mammoth Energy Services has raised $58M across 1 round since 2026. Investors include Bank 7. Every round with its source.

Source: https://millionrounds.com/company/mammoth-energy-services (Millionrounds; every figure on the page links to its filing or article)

United States · [Funded startup](https://millionrounds.com/companies)

# Who invested in *Mammoth Energy Services*

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Aviation Energy Real Estate

Raised this month

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Funding summary Updated 5 Nov 2026

**$58M** raised across 1 round since 2026, from 1 source

- **Latest round:** Debt, $58M Oct 2026
- **Investors:** 1

See who backed them

## The rounds

- **Oct 2026** Debt **$58M** [Bank 7](https://millionrounds.com/fund/bank-7) Reported by Pulse 2.0

## Founders and team

From Mammoth Energy Services's own website: 3 on the team.

- **Bernard Lancaster** Chief Operating Officer
- **Mark Layton** Chief Financial Officer
- **Paul Jacobi** Chief Business Officer

## Everyone who backed them

[Bank 7](https://millionrounds.com/fund/bank-7) Private equity **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=mammoth-energy-services).

## Quick answers about Mammoth Energy Services

### Who invested in Mammoth Energy Services?

Mammoth Energy Services's investors include Bank 7.

### How much has Mammoth Energy Services raised?

Mammoth Energy Services has raised $58M across 1 round since 2026.

### When did Mammoth Energy Services last raise?

Mammoth Energy Services's most recent round was a Debt of $58M in Oct 2026.

### What was Mammoth Energy Services's biggest round?

Its most recent round, $58M in Oct 2026, is also its largest on record.

### Who backed Mammoth Energy Services first?

Mammoth Energy Services's first round on record, in Oct 2026, was backed by Bank 7.

### What stage is Mammoth Energy Services at?

Mammoth Energy Services's latest named round is a Debt, in Oct 2026.

### Where is Mammoth Energy Services based?

Mammoth Energy Services is based in the United States.

## Companies like Mammoth Energy Services

In the same sector, and raised in the last eighteen months.

[**Group14 Technologies** $632M · Oct 2026](https://millionrounds.com/company/group14-technologies)[**Emvolon** $22M · Oct 2026](https://millionrounds.com/company/emvolon)[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**MARC** $5.0M · Oct 2026](https://millionrounds.com/company/marc)

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