# Sunny Day Fund funding: rounds and investors

> Sunny Day Fund has raised across 1 round since 2024. Investors include Techstars, MassChallenge and TMV. Every round with its source.

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

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

# Who invested in *Sunny Day Fund*

One round we have observed, with the 4 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.

HR Tech

Funding summary Updated 26 Oct 2026

**Undisclosed** raised across 1 round since 2024, from 1 source

- **Latest round:** Venture Oct 2024
- **Investors:** 4

See who backed them

## The rounds

- **Oct 2024** Venture **Amount undisclosed** [Techstars](https://millionrounds.com/fund/techstars) [MassChallenge](https://millionrounds.com/fund/masschallenge) [TMV](https://millionrounds.com/fund/tmv) [Lighthouse Labs RVA](https://millionrounds.com/fund/lighthouse-labs-rva) Source recorded

## Founders and team

From Sunny Day Fund's own website: 3 on the team.

- **Sid Pailla** CEO & Cofounder
- **Mairead Toms** Staff Software Engineer
- **Paidi Naidu Nalli** Senior Test Engineer

## Everyone who backed them

[Techstars](https://millionrounds.com/fund/techstars) VC firm **1** round

[MassChallenge](https://millionrounds.com/fund/masschallenge) Accelerator **1** round

[TMV](https://millionrounds.com/fund/tmv) VC firm **1** round

[Lighthouse Labs RVA](https://millionrounds.com/fund/lighthouse-labs-rva) Accelerator **1** round

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

## Also claim to have backed them

These 3 firms list Sunny Day Fund as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[K Street Capital](https://millionrounds.com/fund/k-street-capital) VC firm Per its own site

[CAV Angel Network](https://millionrounds.com/fund/cav-angels) Angel network Per its own site

[Serac Ventures](https://millionrounds.com/fund/serac-ventures) VC firm Per its own site

## Quick answers about Sunny Day Fund

### Who invested in Sunny Day Fund?

Sunny Day Fund's investors include Techstars, MassChallenge, TMV and Lighthouse Labs RVA.

### How much has Sunny Day Fund raised?

Sunny Day Fund has raised 1 round since 2024, none with a disclosed amount.

### When did Sunny Day Fund last raise?

Sunny Day Fund's most recent round was a Venture in Oct 2024.

### Who backed Sunny Day Fund first?

Sunny Day Fund's first round on record, in Oct 2024, was backed by Techstars, MassChallenge and TMV and 1 others.

### What stage is Sunny Day Fund at?

Sunny Day Fund's latest named round is a Venture, in Oct 2024.

### Where is Sunny Day Fund based?

Sunny Day Fund is based in the United States.

## Companies like Sunny Day Fund

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

[**VIVA Finance** $370M · Oct 2026](https://millionrounds.com/company/viva-finance)[**Origin** $121M · Oct 2026](https://millionrounds.com/company/origin)[**Angle Health** $1.2B · Sept 2026](https://millionrounds.com/company/angle-health)[**Thatch** $151M · Sept 2026](https://millionrounds.com/company/thatch)[**Intermezzo** $10M · Sept 2026](https://millionrounds.com/company/intermezzo)[**BrightPlan** $14M · Sept 2026](https://millionrounds.com/company/brightplan)

## Find investors like these

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