Poolside

San Francisco, California, United States

The company builds open-weight foundation models and the systems that refine and improve them.

AI & Machine Learning Robotics & Hardware

Poolside, based in San Francisco, California, United States, has 23 investors on file, among them Abstraction Capital, Air Street Capital and B Capital. Its latest round on record is Series C+, 30 Oct 2025, of 2 rounds. Its site was last checked 12 Nov 2026: site answers.

poolside.ai

Funding

2 rounds on record

Latest roundSeries C+30 Oct 2025

Since that round1 yearno later round on record

Time between rounds1 yearon average, over 2 rounds

Investors in its rounds85 with a VCinfo profile

Oct 2025Series C+Led by NVIDIA, with Magnetar AI Ventures

Nov 2024Series BLed by Bain Capital Ventures, with Premji Invest, DST Global, Citi Ventures and 3 others

Round sizes and total raised are on Fundup AI, our sister product for funding data.

Investors

23 investors on file

Investor	Evidence	Type
Abstraction Capital	Portfolio page	Venture capital
Air Street Capital	Portfolio page	Venture capital
B Capital	Portfolio page	Venture capital
Bain Capital Ventures	Page + round	Venture capital
BAM Elevate	Portfolio page	Corporate VC
Capital One Ventures	Portfolio page	Corporate VC
Citi Ventures	Portfolio page	Corporate VC
DST Global	Portfolio page	Venture capital
Felicis	Portfolio page	Venture capital
Fin Capital	Portfolio page	Venture capital
Frst	Portfolio page	Venture capital
IQT	Portfolio page	Venture capital
ISAI	Portfolio page	Venture capital
LG Technology Ventures	Portfolio page	Corporate VC
Magnetar AI Ventures	Portfolio page	Corporate VC
Motive Force	Portfolio page	Venture capital
Point Nine	Portfolio page	Venture capital
Premji Invest	Page + round	Venture capital
Preston-Werner Ventures	Portfolio page	Venture capital
Redpoint Ventures	Portfolio page	Venture capital
Scribble Ventures	Portfolio page	Venture capital
Shorewind Capital	Portfolio page	Venture capital
SoftBank Vision Fund	Portfolio page	Venture capital

A company is shown only after its own site answers and carries its name. Sites are checked again on a schedule, because domains lapse and get bought. Round stages and dates come from Fundup AI; investor links come from portfolio pages and rounds; other facts name their source when you point at them. How we grade the data

At a glance

Latest round: Series C+, 30 Oct 2025
Investors on file: 23
Founded: 2023
Employees: 51-200
Headquarters: San Francisco, California, United States
Open roles: 3
Site: Answers
Last checked: 12 Nov 2026

Company data by Fundup AI.

Backed by the same investors

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