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      Office Locations: 
                         
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One Letterman Drive, Building D, Suite 500 
Presidio of San Francisco 
San Francisco, CA 94129 
 
 
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 Information Technology
Life Sciences & Healthcare
Media & Digital Media
Software & Internet
Transportation & Distribution
			
			 
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The Founders Fund is a multi-stage, multi-sector venture capial firm with an emphasis on transformational technologies and companies. The firm's industries of interest include Advanced Machines, Aerospace & Transportation, Analytics & Software, Biotechnology & Health, and Consumer Internet & Media. Founders primarily invests at the seed stage, with a typical investment of $500,000-$5,000,000. The firm's partners previously founded PayPal. Initial subscriptions to the Founders Fund were $50 million. 
			 
			 
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                                Investment Firm Key
                                 
                                 
                                   VC = Venture Capital 
                                   PE = Private Equity 
                                   A = Angel 
                                   I = Incubator 
                                   MB = Merchant Bank 
                                   VD = Venture Debt 
                                   FI = Family Investment Office 
                                   FOF = Fund of Funds 
                                   ED = Economic Development Office    
                                   TT = Technology Transfer Office 
                                   CVC = Corporate Venture Capital 
                                   SEC = Secondary Purchaser 
                                   HF = Hedge Fund/Mutual Fund 
                                    
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                                | COMPANY STAGE | REVENUE | 
                                 
                                
                                | Venture Capital |  | 
                                 
                                
                                Seed Stage (includes "pre-seed," or  concept stage) | No Revenue | 
                                 
                                
                                | Early Stage | Minimal Revenue | 
                                 
                                
                                Growth Stage (also called Mid-stage) | $2M-$7M | 
                                 
                                
                                Expansion Stage (also called Late-stage) | $7M and greater | 
                                 
                                
                                | Private Equity |  | 
                                 
                                
                                | Lower Middle Market | $10M-$249M | 
                                 
                                
                                | Middle Market | $250M-$499M | 
                                 
                                
                                | Upper Middle Market | $500M-$1B | 
                                 
                                
                                | Large Cap | >$1B | 
                                 
                                 
                                 
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| Name |  | 
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Title |  | 
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| Brian Singerman  |  | 
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Partner |  | 
 
| Erin Gleason Lane  |  | 
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Vice President of Communications |  | 
 
| Lauren Gross  |  | 
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Partner and COO |  | 
 
| Lauren Gross  |  | 
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Partner & COO |  | 
 
| Michael Solana  |  | 
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Entrepreneur-in-Residence |  | 
 
 
 
                         
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   Date
  
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   Name
  
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   State
  
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   Amount
  
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   Stage
  
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   11/03/2025
  
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   Substrate
  
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   CA
  
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   $100,000,000
  
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   10/29/2025
  
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   Valthos
  
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   CA
  
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   $30,000,000
  
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   Seed
  
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   10/16/2025
  
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   Peptilogics
  
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   PA
  
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   $78,000,000
  
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   Series B-2
  
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   10/16/2025
  
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   HistoSonics
  
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   MI
  
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   $250,000,000
  
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   Growth
  
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   08/19/2025
  
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   Eight
  
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   NY
  
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   $100,000,000
  
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   Venture
  
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   07/24/2025
  
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   Armada
  
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   CA
  
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   $131,000,000
  
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   Strategic
  
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   07/17/2025
  
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   Hadrian
  
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   CA
  
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   $260,000,000
  
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   Series C
  
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   07/10/2025
  
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   Varda Space Industries
  
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   CA
  
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   $187,000,000
  
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   Series C
  
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   06/23/2025
  
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   RAMP
  
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   MA
  
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   $200,000,000
  
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   Series E
  
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   06/06/2025
  
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   Kargo
  
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   CA
  
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   $18,400,000
  
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   06/06/2025
  
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   Neuralink
  
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   CA
  
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   $650,000,000
  
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   Series E
  
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   06/03/2025
  
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   Impulse Space
  
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   CA
  
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   $300,000,000
  
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   Series C
  
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   05/16/2025
  
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   NewLimit
  
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   CA
  
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   $130,000,000
  
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   Series B
  
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   04/30/2025
  
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   Persona
  
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   CA
  
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   $200,000,000
  
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   Series D
  
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   04/30/2025
  
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   Nuvo
  
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   CA
  
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   $45,000,000
  
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   03/13/2025
  
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   Flock Safety
  
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   GA
  
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   $275,000,000
  
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   Venture
  
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   03/06/2025
  
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   Ataraxis AI
  
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   NY
  
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   $20,400,000
  
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   Series A
  
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