Nanoptek Overview

  • Founded
  • 2002
  • Status
  • Private
  • Employees
  • 2
  • Latest Deal Type
  • Series A
  • Latest Deal Amount
  • $4.68M
Latest Deal Amount
  • Investors
  • 6

Nanoptek General Information


Developer of nanoscale optical technologies designed to produce hydrogen from just sunlight, water and minimal electricity, with little or no carbon. The company's technologies form nanostructures in grade 1 titanium foil which is grown such that the resulting titania film is strained, altering the normal bandgap of titania to be optimally aligned with hydrogen evolution potential and solar spectrum, enabling industries to produce renewable, carbon-free, low cost hydrogen that will reduce global warming and increase the Nation's energy security.

Contact Information

Ownership Status
Privately Held (backing)
Financing Status
Venture Capital-Backed
Primary Industry
Gas Utilities
Other Industries
Energy Production
Alternative Energy Equipment
Primary Office
  • 35 Beharrell Street
  • Unit 1445
  • Concord, MA 01742
  • United States
+1 (978) 000-0000
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Nanoptek Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
3. Early Stage VC (Series A) 27-Dec-2007 $4.68M 00.000 000.00 Completed Generating Revenue
2. Grant 25-May-2005 00000 Completed Generating Revenue
1. Accelerator/Incubator 12-Sep-2004 $250K $250K Completed Generating Revenue
To view Nanoptek’s complete valuation and funding history, request access »

Nanoptek Cap Table

Stock # of Shares
Par Value Dividend Rate (%) Original
Issue Price
Liquidation Liquidation
Pref. Multiple
Conversion Price % Owned
Series A 0,000,000 00.000000 00 00 00 00 00 00.000
To view Nanoptek’s complete cap table history, request access »

Nanoptek Executive Team (3)

Name Title Board Seat Contact Info
John Guerra Founder, Chief Executive Officer, President and Board Member
Amol Chandekar Vice President & Fellow, Research & Development
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Nanoptek Board Members (2)

Name Representing Role Since
David Gelbaum Quercus Trust Board Member 000 0000
John Guerra Nanoptek Founder, Chief Executive Officer, President and Board Member 000 0000
To view Nanoptek’s complete board members history, request access »

Nanoptek Signals

Growth Rate

0.80% Weekly
Weekly Growth 0.80%, 93rd %ile
-35.5%. 530%

Size Multiple

219x Median
Size Multiple 219x, 100th %ile
0.00x 0.95x. 413Kx

Key Data Points

Twitter Followers


Similarweb Unique Visitors


Majestic Referring Domains


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Nanoptek Investors (6)

Investor Name Investor Type Holding Investor Since Participating Rounds Contact Info
Quercus Trust Venture Capital Minority 000 0000 000000 0
Renewable Trust Growth/Expansion Minority 000 0000 000000 0
Massachusetts Clean Energy Center Government 000 0000 000000 0
National Aeronautics and Space Administration Government 000 0000 000000 0
U.S. Department of Energy Government 000 0000 000000 0
You’re viewing 5 of 6 investors. Get the full list »