Sixth Floor Investors

Active

Updated: Apr 2, 2026 ·

Financial History

Total Raised

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Valuation

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Date	Company	Round	Lead Investor(s)	Co-Investor(s)
Apr 7, 2011	Cellular Dynamics International	$30.0M Series B	Tactics II Stem Cell Ventures	Sam Zell, G-force
Apr 27, 2010	Cellular Dynamics International	$40.6M Series B	Tactics II Stem Cell Ventures	Sam Zell, Leonard Loventhal

Total Raised

N/A

Valuation

N/A