3 Apr 2013, 11:21am


Indexing the Andreessen Horowitz Portfolio Companies – Pinterest, Twitter and Github on Top

Over the past few weeks I’ve been indexing groups of startups, starting with the Y Combinator index and 500 Startups index. I’ve received a lot of requests for other indexes, and the company whose portfolio everyone wanted to look at was that of the Silicon Valley venture capital firm Andreessen Horowitz.

Portfolio Overview

Andreessen Horowitz has an impressive list of exited companies in 3 IPOs (Facebook, Groupon, Zynga) and 3 acquisition from high profile companies: Nicira (acquired by VMWare), Instagram (acquired by Facebook), and Skype (acquired by Microsoft).

For this post my research covers companies that have not yet exited.

Andreessen Horowitz Consumer Startup Index

Andreessen Horowitz Enterprise Startup Index

The enterprise index is entirely based on traffic at this point, since Facebook MAUs aren’t useful for this segment of companies. We are working on collecting more useful revenue / unit economics data for ranking these companies and know this does not accurately reflect their progress. For example Apptio is in the #31 spot but is preparing for a possible IPO.


The index takes into account website traffic ranking globally, as provided by Alexa, along with a weighted average of Facebook monthly active users (MAUs). While traffic is only one part of the story, how it changes over time can provide a useful proxy for evaluating how the company’s reach and attention received from others. There are many other indicators of a companies health that I will take into consideration in future indexes, but for now this is presented as a very simple overview of the companies. I split apart the consumer vs. enterprise companies to make it more of an apples to apples comparison.

I have also included Quantcast rankings, as many people seem to think they are more credible. Overall I found their data set had too many gaps to be useful, although we may weigh it into the average in the future.

Editor’s Note: This is the first index of this portfolio so it does not show each company’s change in rankings over time. I will show that in the next index of this portfolio, one month from now.

Missing Companies

These companies are taken from the AH website, Crunchbase, AngelList and other public announcements. If I missed something please let me know in the comments or email me at danielle (at) refer.ly

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Balanced Payments?

2nd row, 2nd column on their enterprise portfolio page.

Thank you, the list has been updated to include Balanced

4 Apr 2013, 8:56am
by Peter Mullen


Nice work Danielle!

[...] Indexing the Andreessen Horowitz Portfolio Companies – Pinterest, Twitter and Github on Top (daniellemorrill.com) [...]

I think the enterprise rankings are particularly tricky. Okta has quotes and logos from 200 customers and claims millions of actual users. All of the traffic from all of those login’s would be invisible to both Alexa and Quantcast.

Worse, an IT team doing the selection of an identity system for 7,000 Clorox employees probably increases web traffic to Okta.com by only a little more than two IT guys from a 70 employee company would.

Still glad you’re trying though!

[...] When the firm backed some of the most well-known consumer startups, including Facebook, Twitter, Pinterest, Groupon and Zynga, the firm waited for later rounds to go in. (Entrepreneur and blogger Danielle Morrill broke out many of Andreessen’s investments in a post). [...]



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