Date	Investors	Amount	Round
Apr 2001	Atlas Venture Madrona Venture Group	$8.4m	SERIES A
Jul 2002	Atlas Venture Sequoia Capital Madrona Venture Group	$15m	SERIES B
Mar 2004	Atlas Venture Sequoia Capital Lehman Brothers Madrona Venture Group	$15.5m	SERIES C
May 2005	Atlas Venture Sequoia Capital Lehman Brothers Madrona Venture Group Focus Ventures	$20m	SERIES D
Jul 2006	Atlas Venture Sequoia Capital GGV Capital Madrona Venture Group	$10m	SERIES E
Dec 2006	N/A	$108m Valuation: $780m	IPO
Nov 2010	EMC	$2.3b Valuation: $2.3b	ACQUISITION
Total Funding		€62.6m

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Isilon Systems

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