Recent Funding
Investors
Flume Ventures

Flume Ventures portfolio

Flume Ventures has 5 portfolio companies on record at Recent Funding, with 2 investments in the last 12 months.

Website: flume.ventures.

Type: Venture capital.

Portfolio on Recent Funding: 5.

Deals, last 12 months: 2.

Rounds led: 2 of 5.

Capital in their rounds: $1B.

Latest deal: Positron · Sep 10, 2026.

About this page

It is a venture capital firm based in Incline Village, US, founded in 2023. It led 2 of the 5 rounds it joined. Its most recent investment on record is Positron's $875M Series B+ round in September 2026, alongside Hudson River Trading, Cisco Investments, Qatar Investment Authority and 15 others. By category, its portfolio leans toward AI infrastructure and compute (3) and Developer tools and cloud (2). It has co-invested with Valor Equity Partners, Atreides Management and Resilience Reserve, most often Valor Equity Partners (3 rounds).

About Flume Ventures

Firm type: Venture capital.

Headquarters: Incline Village, US.

Founded: 2023.

Stages: Seed, Series A.

Sectors: Sector Agnostic.

Portfolio companies: 4.

Exits: 0.

Rounds led: 0.

What Flume Ventures invests in

AI infrastructure and compute · 3 · 60%
Developer tools and cloud · 2 · 40%
Foundation models and research · 1 · 20%
Robotics and hardware · 1 · 20%
Commerce and retail · 1 · 20%
Logistics and mobility · 1 · 20%
AI coding and devtools · 1 · 20%
Cybersecurity · 1 · 20%

Flume Ventures recent investments

Company	Round	Date	Alongside
PPositron	Series B+ · $875M	Sep 10, 2026	Hudson River Trading, Cisco Investments, Qatar Investment Authority +15
GGrubMarket	Series B+ · $50M	Feb 2, 2026	MY Securities, Liberty Street Funds, RD Heritage Group +2
PPositron	Series A · $51.6M	Jul 28, 2025	DFJ Growth (lead), 1517 Fund, Valor Equity Partners (lead) +3
PPositron	Seed · $23.5M · lead	Feb 11, 2025	Valor Equity Partners, Resilience Reserve, Atreides Management
HHydra Host	Seed · lead	Feb 10, 2025	NEA, Saga Ventures

How Flume Ventures invests

Stage	Deals	Capital in rounds
Seed	2 40%	$23.5M
Series B+	2 40%	$925M
Series A	1 20%	$51.6M

Year	Deals	Capital in rounds
2025	3 60%	$75.1M
2026	2 40%	$925M

Flume Ventures portfolio companies

PPositron$875MSeries B+ · Sep 2026
GGrubMarket$50MSeries B+ · Feb 2026
HHydra HostSeed · Feb 2025
PParasailbacker
11Passwordbacker

Company	Round with Flume Ventures	Total raised	Latest raise
PPositron Foundation models and research	Sep 10, 2026 Series B+ · $875M	$1.18B	Sep 10, 2026 Series B+
GGrubMarket Commerce and retail	Feb 2, 2026 Series B+ · $50M	$205M	Feb 2, 2026 Series B+
HHydra Host AI coding and devtools	Feb 10, 2025 Seed · lead	$110M	Jun 16, 2026 Series A
PParasail AI infrastructure and compute	backer	$32M	Apr 15, 2026 Series A
11Password Cybersecurity	backer	$920M	Jan 1, 2022 Series B+

Most frequent co-investors

Similar investors

Investors whose portfolios on Recent Funding center on the same category (AI infrastructure and compute).

How this is counted

Firm profile: Fundraising Fox Open Dataset v2026-11, CC BY 4.0. Track-record counts are theirs, not Recent Funding's.

Share is of the 5 rounds on Recent Funding that name Flume Ventures. Rounds with no announced date are left out of the year split, and "round" is a round whose stage is not on file.

Portfolio companies are the companies on Recent Funding with a round that lists Flume Ventures, which is a subset of its real portfolio. API: /api/v1/investors/flume-ventures (get a free API key). More: the most active VC firms and new venture capital funds.