Companies in the Big Data industry have received $4.9 billion in funding since 2008, with the bulk of financing in 2011 and 2012.
According to CB Insights blog, here are the top 10 venture companies that invest in Big Data, and the number of their unique investments in Big Data related companies:
SV Angel, 14 Big Data companies, including Quora, Dropbox, bitly
Sequoia Capital, 13 Big Data companies, including Meebo, LogLogic
IA Ventures, 13 companies, including Datapop, Datasift, MemSQL, Metamarkets, Recorded Future
New Enterprise Associates, 12 companies, including 10gen, 23andMe, AddThis, AeroSpike, Coursera.
First Round Capital, 10 companies, including AsterData, Curalate, Gigya, Gnip, memsql, StumbleUpon, and the ClimateCorporation.
MDV-Mohr Davidow Ventures, 9 companies, including Analyze Health, AudienceScience, ParAccel, RocketFuel, SpliceMachine.
Andreessen Horowitz, 9 companies, including ClearStory, DataGravity, FourSquare, Factual, github, GoodData, Platfora, Twitter
Khosla Ventures, 8 companies, including Ayasdi, ClearStory Data, Kaggle, Metamarkets, bitly
Battery Ventures, 8 companies, including Kontagent, splunk, Chordiant Software, Data Innovations, First Fuel, Platfora
Benchmark Capital, 8 companies, including Gigya, Quora, Polyvore, Grockit
Note: in this era, almost every company can be considered a Big Data company, but the number of Big Data companies in the list above is according to CB Insights.