Lemnos
Early-stage venture firm investing in hardware and deep-tech startups at the pre-seed and seed stages.
Lemnos (formerly Lemnos Labs) is a San Francisco venture firm founded in 2011 by Jeremy Conrad and Helen Zelman Boniske, investing in hardware and deep-tech startups at the pre-seed and seed stages — historically spanning aerospace, robotics, IoT, transportation, and consumer electronics. The firm raised a $20M fund in 2014 and a $50M third fund in 2017; its portfolio includes Elroy Air, Spire, Fort Robotics, Built Robotics, Path Robotics, and Scythe Robotics.
Overview
- Firm
- Lemnos
- Headquarters
- San Francisco, California
- Founded
- 2011
- AUM
- $20M (2014 fund) and $50M (2017 third fund); current AUM undisclosed
- Stages
- Pre-Seed, Seed
- Thesis
- Lemnos (formerly Lemnos Labs) is a San Francisco venture firm founded in 2011 by Jeremy Conrad and Helen Zelman Boniske, investing in hardware and deep-tech startups at the pre-seed and seed stages — historically spanning aerospace, robotics, IoT, transportation, and consumer electronics. The firm raised a $20M fund in 2014 and a $50M third fund in 2017; its portfolio includes Elroy Air, Spire, Fort Robotics, Built Robotics, Path Robotics, and Scythe Robotics.
- Website
- www.lemnos.vc/
Portfolio companies0
No linked records yet.
Frequently asked
- What is Lemnos?
- Lemnos (formerly Lemnos Labs) is a San Francisco venture firm founded in 2011 by Jeremy Conrad and Helen Zelman Boniske, investing in hardware and deep-tech startups at the pre-seed and seed stages — historically spanning aerospace, robotics, IoT, transportation, and consumer electronics. The firm raised a $20M fund in 2014 and a $50M third fund in 2017; its portfolio includes Elroy Air, Spire, Fort Robotics, Built Robotics, Path Robotics, and Scythe Robotics.
- How much does Lemnos manage?
- Lemnos manages $20M (2014 fund) and $50M (2017 third fund); current AUM undisclosed in assets, and was founded in 2011.
- What stages does Lemnos invest at?
- Lemnos invests at Pre-Seed, Seed.
Sources & citations4
Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.
- 1
Lemnos is a San Francisco venture firm investing in early-stage deep-tech hardware startups.
Lemnos: Lemnos Labs — HomeReported2026-08-11 - 2
Lemnos Labs, founded by Jeremy Conrad and Helen Zelman, raised a $20 million fund, its investment thesis spanning aerospace, robotics, IoT, transportation, and consumer electronics; Eric Klein promoted to Partner in February 2014.
StrictlyVC: Riding the Hardware Wave, Lemnos Labs Raises $20 Million FundReported2014-03-26 - 3
Lemnos's current portfolio includes Elroy Air, Spire, Fort Robotics, Built Robotics, Path Robotics, Scythe Robotics, and others.
Lemnos: Lemnos Labs — HomeReported2026-08-11 - 4
Lemnos, founded by Jeremy Conrad and Helen Zelman in 2011, raised a $50 million third fund in March 2017 to invest in hardware and software surrounding hardware; the firm dropped its earlier startup-incubator program to focus exclusively on venture investing, preferring to lead or co-lead $500K-$3M pre-seed/seed rounds
TechCrunch: Lemnos just raised a $50 million third fund to (mostly) focus on hardwareVerified2017-03-07