3x5 Partners
Venture capitalPortland
Fund manager profile
3x5 Partners is a venture fund manager based in Portland. SEC filings show 3 venture funds on record, most recently 3X5 PARTNERS FUND III-B, L.P. filed November 2020.
Source: SEC EDGAR Form D filings. Firm website data not yet available.
What they invest in
from 2 of 5 portfolio companiesEnergy ×1Hardware ×1Healthtech ×1Medical Devices ×1
HQs:United States×5
Investments · 5 tracked
founders shown can be your intro pathPortland, US
Mark Shaughnessy(Director)Brad Barnhorn(Director)Anthony Arnerich(Director)Ken Plasse(Executive Officer, Director)Duncan Berry(Director)Nicholas Walrod(Director)
Board seatAnthony Arnerich· per SEC Form D · $1 raise · filed May 2017
Portland, US
Tyler Mayoras(Director)Nicholas Walrod(Director)Chuck Templeton(Director)Mark Shaughnessy(Director)Plasse Ken(Executive Officer, Director)Anthony Arnerich(Director)
Board seatAnthony Arnerich· per SEC Form D · $32.2M raise · filed May 2017
EnergyOakland, US
Frederick Buckman(Director)Thomas Voss(Director)Jane Lindner(Director)Anthony Arnerich(Director)Jay Schmelter(Director)James C David(Executive Officer, Director)
Board seatAnthony ArnerichNicholas Walrod· per SEC Form D · $85.8M raise · filed Jan 2020
Vapotherm manufactures high-velocity therapy devices for respiratory distress treatment across patient populations.
HardwareHealthtechMedical DevicesExeter, US
JAMES W. LIKEN(Director)JAMES NEAL ARMSTRONG(Director)JOSEPH ARMY(Executive Officer, Director)MICHAEL J. WARD(Director)ANTHONY ARNERICH(Director)CRAIG B. REYNOLDS(Director)
Board seatAnthony Arnerich· per SEC Form D · $20M raise · filed Jul 2015
Bend, US
Matt Diserio(Director)Anthony Arnerich(Director)Chris George(Director)Brianna Blazek(Executive Officer)John Schmitz(Director)Michael Echols(Executive Officer, Director)
Board seatAnthony Arnerich· per SEC Form D · $8M raise · filed Jul 2026
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Frequently asked questions
- Where is 3x5 Partners located?
- 3x5 Partners is headquartered in Portland, US.