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645 Ventures

@645ventures

Leading early-stage venture capital firm | Join the 645 Talent Network 645ventures.com/645-careers
New York, NY 645ventures.com/databases/port… Joined September 2014
194 Following 6.4K Followers 1.1K Posts

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645 Ventures @645ventures
Our co-founder Nnamdi Okike (@thedatavc) joined the How I Invest podcast to discuss the growth of 645 and its investment strategy in a changing venture capital market. Check it out at the link below.
David Weisburd 🚀 Verified account @DWeisburd Sep 30
$50 million seed rounds have become normal in AI. Nnamdi Okike says that is one of the worst things that can happen to an early-stage company.

Nnamdi Okike (@thedatavc) is Co-founder and Managing Partner of @645ventures , which is raising its fifth fund after building its early sourcing model at Insight Partners. His firm has spent twelve years studying what actually predicts which seed-stage companies survive, and outsized early capital is not on the list of good signs.

Here is how he explained it on my podcast:
"When you raise a really big round out of the gate, especially when you don't have product market fit, when you're still trying to figure out what's going to work, the tendency is to spend much more money than you need to, do a lot of experiments you shouldn't be doing. Not to mention, you create a culture within a company that is the wrong culture. I actually think massive rounds are really bad for companies."

Scarcity forces a founder to decide which experiment actually matters instead of running all of them at once. It also filters who joins the company in the first place: people who sign up because they believe in the problem, not because a fifty-million-dollar round means a comfortable salary. Okike has watched entire cohorts of YC founders raise the same size round at the same valuation regardless of whether they are building emerging-market fintech or a nuclear reactor, which tells him the number is being set by the market's mood, not by what the business actually needs.

The founders he backs raise exactly enough to hit the next milestone and not a dollar more. That constraint is the discipline, not a limitation on it.

This episode is presented by @juniper_square, with additional support from @AlphaSenseInc.

Full episode below 👇
youtu.be/VenqKz8-ZKg
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645 Ventures @645ventures
Congrats to the @ForterraDrive team!
Forterra Verified account @ForterraDefense Nov 12, 2025
$238M Series C— Accelerating the future of defense.

From autonomy and edge compute to resilient communications, our platforms are redefining how modern operations connect and coordinate. This funding accelerates our work to deliver interoperable autonomy at scale with proven, fielded, technology that is already reshaping how missions get done.

The round was led by Moore Strategic Ventures, joined by new investors including Salesforce Ventures, Franklin Templeton, Balyasny Asset Management L.P., 645 Ventures, Hanwha Asset Management, 9Yards Capital and NightDragon, alongside participation from existing investors XYZ Venture Capital, Hedosophia, and Enlightenment Capital. Doubling down on their investment into Forterra, Crescent Cove Advisors LP provided both equity and debt, showing continued support since Forterra’s Series A in 2021.

Autonomy isn’t the future. It’s the new baseline.
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