# FirstLight Fiber funding: rounds and investors

> FirstLight Fiber has raised $120M across 1 round since 2025. Investors include Sixth Street and Palistar Capital. Every round with its source.

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

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

# Who invested in *FirstLight Fiber*

One round we have observed, with the 2 investors 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.

Construction Telecoms

Funding summary Updated 26 Oct 2026

**$120M** raised across 1 round since 2025, from 1 source

- **Latest round:** Debt, $120M May 2025
- **Investors:** 2

See who backed them

## The rounds

- **May 2025** Debt **$120M** [Sixth Street](https://millionrounds.com/fund/sixth-street) [Palistar Capital](https://millionrounds.com/fund/palistar-capital) Reported by Palistar Capital

## Everyone who backed them

[Sixth Street](https://millionrounds.com/fund/sixth-street) Private equity **1** round

[Palistar Capital](https://millionrounds.com/fund/palistar-capital) Private equity **1** round

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

## Quick answers about FirstLight Fiber

### Who invested in FirstLight Fiber?

FirstLight Fiber's investors include Sixth Street and Palistar Capital.

### How much has FirstLight Fiber raised?

FirstLight Fiber has raised $120M across 1 round since 2025.

### When did FirstLight Fiber last raise?

FirstLight Fiber's most recent round was a Debt of $120M in May 2025.

### What was FirstLight Fiber's biggest round?

Its most recent round, $120M in May 2025, is also its largest on record.

### Who backed FirstLight Fiber first?

FirstLight Fiber's first round on record, in May 2025, was backed by Sixth Street and Palistar Capital.

### What stage is FirstLight Fiber at?

FirstLight Fiber's latest named round is a Debt, in May 2025.

### Where is FirstLight Fiber based?

FirstLight Fiber is based in the United States.

## Companies like FirstLight Fiber

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

[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**TruAgents** $3.4M · Oct 2026](https://millionrounds.com/company/truagents)[**Mach9** $46M · Oct 2026](https://millionrounds.com/company/mach9)[**ASI** $325M · Oct 2026](https://millionrounds.com/company/asi)[**Qualitate** $32M · Oct 2026](https://millionrounds.com/company/qualitate)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app