# Big Delta Systems funding: rounds and investors

> Big Delta Systems has raised $1.4M across 3 rounds since 2015. Investors include National Science Foundation and Clint Carlson. Every round with its source.

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

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

# Who invested in *Big Delta Systems*

3 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Energy

Funding summary Updated 26 Oct 2026

**$1.4M** raised across 3 rounds since 2015, from 3 sources

**$150K** Debt **$1.0M** Seed **$225K** Grant

- **Latest round:** Grant, $225K Jun 2016
- **Biggest round:** $1.0M Seed · Oct 2015
- **Investors:** 2

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2016

**$150K** Debt

**$1.0M** Seed

**$225K** Grant

- **First round:** Debt, $150K
- **Biggest round:** $1.0M
- **Usual gap between rounds:** 7 months

## The rounds

- **Jun 2016** Grant **$225K** *1 new* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Source recorded
- **Oct 2015** Seed **$1.0M** *1 new* Clint Carlson From a historical funding record SEC filing: $150K sold, first sale Jun 2015
- **Jun 2015** Debt **$150K** No investor was named in the report. From a historical funding record SEC filing: $150K sold, first sale Jun 2015

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Debt** 2015 **Seed** 2015 **Grant** 2016 [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Clint Carlson

## Everyone who backed them

[National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round

Clint Carlson no record of our own yet **1** round

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

## Quick answers about Big Delta Systems

### Who invested in Big Delta Systems?

Big Delta Systems's investors include National Science Foundation and Clint Carlson.

### How much has Big Delta Systems raised?

Big Delta Systems has raised $1.4M across 3 rounds since 2015.

### When did Big Delta Systems last raise?

Big Delta Systems's most recent round was a Grant of $225K in Jun 2016.

### What was Big Delta Systems's biggest round?

Big Delta Systems's largest round on record is $1.0M (Seed), in Oct 2015.

### Who backed Big Delta Systems first?

Big Delta Systems's first round on record, in Oct 2015, was backed by Clint Carlson.

### What stage is Big Delta Systems at?

Big Delta Systems's latest named round is a Grant, in Jun 2016.

### Where is Big Delta Systems based?

Big Delta Systems is based in the United States.

## Companies like Big Delta Systems

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

[**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)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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