These 10 early startups you’ve never heard of made the biggest buzz among VCs last quarter and raised hundreds of millions of dollars

Next-generation environmental monitoring. Neural interface technology. Space catapults. 

These are some of the far-out visions being pursued by a promising bunch of startups that might just be the business titans of tomorrow.

In a recent research note circulated to clients, Goldman Sachs highlighted the ten "software and internet" startups that had raised the most Series A investment in the second quarter of 2018, based on data collected by venture capital monitoring firm CB Insights.

Series A funding is some of the very first investment companies will receive in their life-cycle — right after seed or angel funding — indicating that it's still early days for these firms. But these young firms still collectively raised more than $400 million in the last three months, in industries ranging from healthcare to real estate to aeronautics.

There's no telling yet whether they will all be able to achieve their heady dreams — but together they offer a glimpse at what the world's top investors are betting will be the technologies and products that will transform our world in the years to come.

Here they all are...

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10. Caresyntax ($20 million) is providing clinicians with more data.

Caresyntax is focused in the medical space, and provides clinicians with data analytics to "identify deviations from benchmarks in processes and outcomes, "address workflow efficiency bottlenecks," and more. 

It was founded in 2013 in Germany by Dennis Kogan and Björn von Siemens before expanding to the US in 2017. In June 2018 it got a $20 million cash injection from healthcare AI investment fund Surgical.AI. 

9. Redaptive ($20 million) is improving customers' energy efficiency.

San Francisco startup Redaptive snagged $20 million in venture capital funding in April 2018 from real estate services and investment firm CBRE Group, as well as ENGIE New Ventures and GXP Investments.

So what does it do? Redaptive helps make corporate clients' facilities more energy efficient, billing itself as a "leading provider of commercial Efficiency-as-a-Service." 

"What makes our program unlike any other is that Redaptive makes the investment in your facilities, takes on all project execution and technology performance risk and covers maintenance costs, it says on its website. "Once we have designed and installed efficiency upgrades, you only pay for actual metered savings at a level that ensures you see immediate operating savings on day one."

It was cofounded in 2013 by Goldman Sachs veteran John Rhow, its co-CEO, and Ryan Martineau, SVP, Channel Sales.

8. Medici Technologies ($22 million) is building what it calls the "WhatsApp of Healthcare."

Medici Technologies is building an app that lets patients message their doctors from their smartphones — calling itself the "WhatsApp of Healthcare."

Based in Austin, Texas and founded by medical industry exec Clinton Phillips in 2016, Medici raises $22 million from a suite of private investors in June 2018.