United States · 
Who invested in Tachyus?
Tachyus's investors include Founders Fund, Caffeinated Capital, Streamlined Ventures, Slow Ventures and Cota Capital, and 7 more on record.
20132015201720192021
$528KDebt$6.0MSeries A$13MSeries A$15MSeries B$1.0MVenture
United States · Venture startup
Who invested in Tachyus
Funding summaryUpdated 26 Oct 2026
$36Mraised across 5 rounds since 2013, from 5 sources
$528KDebt$6.0MSeries A$13MSeries A$15MSeries B$1.0MVenture
- Latest round
- Venture, $1.0MDec 2022
- Biggest round
- $15MSeries B · May 2019
- Investors
- 12
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Debt, $528K May 2013
- Biggest round
- $15M Series B · May 2019
- Usual gap between rounds
- 3.5 years the median of 4
The rounds
- Dec 2022Venture$1.0M2 new2 returning
Source recorded
- May 2019Series B$15M1 new
- Cottonwood Venture Partners
Reported by FinSMEsSEC filing: $4.5M sold, first sale May 2019
- Jun 2015Series A$13M3 new3 returning
Founders Fund
Streamlined Ventures
Caffeinated Capital- Raymond Tonsing
Struck Capital- Titan Partners Holdings LLC
From a historical funding recordSEC filing: $14M sold, first sale May 2015
- Apr 2014Series A$6.0M6 new
From a historical funding recordSEC filing: $6.0M sold, first sale Mar 2014
- May 2013
Founders and team
From Tachyus's own website and the SEC filings it signed: 5 on the team.
- Fernando GutierrezCEO
- Matt ElbertCFO & Cro
- Brandon SimmonsExecutive Officeri
- Brian RoystonExecutive Officeri
- Paul OrlandDirector, Executive Officeri
On the board, as filediJeremy Arendt
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Debt2013Series A2014Series A2015Series B2019Venture2022Founders FundCaffeinated CapitalStreamlined Ventures
Slow Ventures
Cota Capital
Formation 8Raymond Tonsing
Huron River VenturesStruck CapitalJake Zeller
Founders FundCaffeinated CapitalStreamlined VenturesSlow VenturesCota CapitalFormation 8Raymond TonsingHuron River VenturesStruck CapitalJake ZellerEveryone who backed them
Raymond TonsingVC firm1round
Jake ZellerAngel1round
Titan Partners Holdings LLCVC firm1round
Cottonwood Venture Partnersno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 3 firms list Tachyus 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.
Quick answers about Tachyus
How much has Tachyus raised?
Tachyus has raised $36M across 5 rounds since 2013.
When did Tachyus last raise?
Tachyus's most recent round was a Venture of $1.0M in Dec 2022.
What was Tachyus's biggest round?
Tachyus's largest round on record is $15M (Series B), in May 2019.
Who backed Tachyus first?
Tachyus's first round on record, in Apr 2014, was backed by Founders Fund, Streamlined Ventures and Caffeinated Capital and 3 others.
What stage is Tachyus at?
Tachyus's latest named round is a Venture, in Dec 2022.
Where is Tachyus based?
Tachyus is based in the United States.
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