Fundraising Fox

Sunflower

9 known investors

Sunflower is an email client that filters noise and prioritizes important messages to help users maintain focus and attention. It serves people looking for a more streamlined approach to email management.

SaaS

Investors · 9

Thomson Reuters VenturesNew York
Daybreak Venturesreported · 2 sourcesNew York · $500K – $1Mvia Rex Woodbury · inferred
DRONE FUNDreported · 2 sourcesTokyo
Sequoia CapitalreportedMenlo Park · $4.4M – $214M
Wakestream VenturesreportedGrand Rapids · $150K – $500K
Y CombinatorreportedSan Francisco · $500K

Also in the syndicate · 3

Alarm.comAtlas VenturesGentian Investments

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Competitors · 1

by search overlap
Sunflowercapital6 shared keywordsSunflower Capital is an early-stage venture firm that writes first checks (pre-seed and seed) to founders building companies in enterprise software, critical industries, and hardware/physical-world sectors. It backs teams across AI, data infrastructure, developer tools, healthcare, fintech, and defense, and works closely with founders on go-to-market, hiring, and fundraising.

Companies competing with Sunflower for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Sunflower seeds: further upward revision - Mundus Agrimundus-agri.eu · Jul 2026Sunflower Labs Raises $16M in Series B Funding, Gets Nationwide FAA Approval for Autonomous Security Drone Platformtheaiinsider.tech · Nov 2025Sunflower Labs Closes $16M Series B Fundingfinsmes.com · Nov 2025Drone Startup Sunflower Labs Raises $16M Series B Led By Sequoiaupstartsmedia.com · Nov 2025Sunflower Therapeutics Receives NIH SBIR Fundingfinsmes.com · Sep 2025

Frequently asked questions

What does Sunflower do?
Sunflower is an email client that filters noise and prioritizes important messages to help users maintain focus and attention. It serves people looking for a more streamlined approach to email management.
Who are Sunflower's investors?
Sunflower's investors include Thomson Reuters Ventures, Daybreak Ventures, DRONE FUND, Sequoia Capital, Wakestream Ventures, Y Combinator.