Humba Ventures

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Seed fund focused on hard tech (nuclear reactors, surgical robots, industrial batteries), providing strong follow-on support targeting $2–3 per $1 and a Deep Tech Fellowship embedding scientists into deals.
Deep-Tech.com VC Ranking
N/A
Stages they invest in
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Avg Check size
~$750K
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Can They Lead?
Yes
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Location
San Francisco
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Geographies They Invest in
USA
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Humba Ventures
Stages
N/A
Sectors
Deeptech / Hardware
Robotics
Biotech
Defense
Climate
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Avg Check
~$750K
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Leads?
Yes
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Industries
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What Makes them Unique

Humba Ventures is a seed fund that focuses exclusively on hard tech and hard sectors like nuclear reactors, surgical robots, and industrial batteries—categories most VCs avoid—while offering unusually strong follow-on support that aims to bring in $2-3 from other investors for every $1 they invest. The fund operates a formal Deep Tech Fellowship that embeds external scientists and engineers directly into their investment decisions, turning the fund into a training and community hub for future deep-tech founders rather than just a capital provider.

Video Interview

On what founders get wrong when crafting their cold outreach

"I think probably the biggest mistake on cold emails is going too long or explaining too much versus just being like, hey, I previously sold a company for 30 million and I know this space like the back of my hand cause I worked here and we've already got our first three pilot customers. Like that's a perfect cold email. It's really short and succinct, but very compelling."

Leo Polovets | Humba Ventures

On why chasing uninterested investors is a trap

"If they just don't seem that into it, they're like, ah, it's not for me. Like, you're probably nowhere near the top 1% for them. And even if you can convince them that you're not 50th percentile but really 80th, like they're still not going to invest, but you're going to burn a lot of cycles."

Leo Polovets | Humba Ventures

On the hidden risk of taking a multi-stage fund check at seed

"15% of the time, that's the fund that led their A. So it's sort of like, you know, being a great company and us being lucky enough to work with you, we can help you find a great Series A investor, but it's actually more likely not going to be the multi-stage fund that did your seed round. And additionally, them not doing your Series A is going to make it harder for you to raise a Series A from everyone else, cause they're going to wonder like, why isn't the insider doing anything?"

Leo Polovets | Humba Ventures

On the kind of founder that genuinely inspires confidence

"Sometimes you get like this rare gem of a founder where you could be like, let me ask you about the technical side or the business side or the regulatory side or the history of the industry. And they just know it all. And that's always a very, like, awesome confidence inspiring thing."

Leo Polovets | Humba Ventures

On the underrated power of regular investor updates

"If you're doing regular updates, even if you're like doing decent, people appreciate the communication. They're more likely to give you a bridge round, or if you're doing great, they're gonna mention you to all their friends, because they hear every month how great you're doing."

Leo Polovets | Humba Ventures

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