Bessemer Venture Partners is perhaps one of America's oldest venture capital firm, carrying on an unbroken practice of venture capital investing that stretches back to 1911.
They have a "Anti-Portfolio" section on their website discussing some of the names they have passed on in the Venture Capital stage. Just small names like Apple, eBay, Fedex, Google to name a few.
Check it out here, its mind blowing to think about how much money they missed out on.
[Hat tip: Idealog]
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