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WS Investments

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WS Investment Co. is the investment fund of law firm Wilson Sonsini Goodrich & Rosati. The fund was formed in 1978 and has been managed throughout by Mario Rosati. All fundraising is internal, with mandatory participation by partners and is occasionally opened to associates. Among other investments, the fund was a pre-IPO investor in Google, Brocade (partner Larry Sonsini contributed the options he received from his post as a director), Juniper Networks and Avanex.

Milestones

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• 
  WS Investments invested in T2 Biosystems. (8/10/11)
  Posted 8/10/11 at 5:46pm via masshightech.com
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  WS Investments invested in Fidelis Security Systems. (5/16/05)
  Posted 8/10/10 at 6:10pm via washingtonpost.com
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  WS Investments invested in Lasso Logic. (7/1/05)
  Posted 7/13/10 at 8:30pm via wordpress.com
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  WS Investments invested in T2 Biosystems. (5/26/10)
  Posted 5/26/10 at 5:09pm via onbiovc.com
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  WS Investments invested in Magnolia Broadband. (1/24/06)
  Posted 5/16/10 at 8:15pm via magnoliabroadband.com
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  WS Investments invested in Atrica. (4/5/06)
  Posted 5/10/10 at 9:32pm
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  WS Investments invested in Authernative. (4/12/06)
  Posted 4/25/10 at 5:08pm via accessmylibrary.com
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  WS Investments invested in Kintera. (12/12/06)
  Posted 4/1/10 at 11:17pm
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  WS Investments invested in EMKinetics. (3/12/10)
  Posted 3/17/10 at 6:59pm via venturebeat.com
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  WS Investments invested in AnaptysBio. (11/8/07)
  Posted 3/11/10 at 5:17am via anaptysbio.com
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  WS Investments invested in Vertical Brands. (10/30/09)
  Posted 11/11/09 at 11:23am
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  WS Investments invested in Ardian. (11/3/06)
  Posted 6/19/09 at 10:05am via venturebeat.com
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  WS Investments invested in Strategic Polymer Sciences. (5/1/08)
  Posted 6/8/09 at 2:01am via strategicpolymers.com
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  WS Investments invested in Kythera Biopharmaceuticals. (5/19/08)
  Posted 6/3/09 at 1:15am
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  WS Investments invested in DiVitas Networks. (4/8/08)
  Posted 5/12/09 at 12:10pm via tmcnet.com

Investments

Videos

Sources

1. T2 Biosystems closes $23M Series D financing (masshightech.com) [edit]
2. T2 Biosystems, Inc.: Series C $15M (onbiovc.com) [edit]
3. EMKinetics attracts $2.8M to treat incontinence (deals.venturebeat.com) [edit]
4. Citation Needed [add]
5. Capital Funding Report [edit]
6. Strategic Polymer Sciences Receives $3 Million in Series A Funding (strategicpolymers.com) [edit]
7. DiVitas Networks Gets $15 Million in Venture Capital (ipcommunications.tmcnet.com) [edit]
8. AnaptysBio raises over $33 million in Series B financing (anaptysbio.com) [edit]
9. Cap Funding Report [edit]
10. Ardian raises around $10.08 more for congestive heart failure (deals.venturebeat.com) [edit]
11. Authernative, Inc. Raises $2.5 Million in Series A Funding to Extend Its Position as Emerging Provider of User Authentication and Identity Management Solutions. (accessmylibrary.com) [edit]
12. Cap Funding Report [edit]
13. MAGNOLIA BROADBAND RECIEVES $14 MILLION IN SERIES D FUNDING (magnoliabroadband.com) [edit]
14. SonicWALL Acquires Lasso Logic, Inc. and enKoo (techstartups.wordpress.com) [edit]
15. Fidelis Security raised $4.1 million (washingtonpost.com) [edit]