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General Information
DescriptionVC firm (expansion and late stage)


QuestMark Partners I $222M
QuestMark Partners II $233M
QuestMark Partners III, 6/2007 $300M


QuestMark Partners
One South Street
Suite 800
Baltimore, MD, 21202


Founder & Partner
Executive Assistant


QuestMark Partners

QuestMark is an expansion-stage venture firm providing growth capital to exceptional management teams across the U.S. With over $750 million under management, QuestMark targets highly-differentiated, often category-creating companies with the commercial traction and strategic position to support long-term standalone success. Since its founding in 1998, QuestMark’s collaborative, insightful, and patient approach to company building has helped many entrepreneurial teams grow and succeed as market leaders across a range of industries.

*We initially invest $5 to $15 million and retain the reserve capacity to fund continued organic growth or acquisitions in follow-on rounds. We have the flexibility to invest in a number of financing situations, ranging from a new lead in an existing venture-backed syndicate to first institutional round and direct secondaries. We typically invest within the last two rounds of private financing.

*We have backed companies in many sectors that meet our core investment criteria: strong management teams, clear differentiation in attractive market opportunities, and long term growth potential. Particular areas of interest have been, but are not limited to, enterprise software and software-as-a-service (SaaS), communications, internet and tech-enabled businesses, digital media, semi-conductors, medical devices, healthcare services, and consumer. We are open-minded, work hard to understand each business, and look for reasons to like every opportunity.

*We typically lead financings, but are comfortable participating in syndicates where we believe the co-investors are financially stable and dedicated to long-term value creation.

*QuestMark works most often with its portfolio companies through Board seats or as Observers to the Board. We also leverage our networks to identify impactful Board members at the appropriate time in a company’s growth.

*We are Baltimore-based (from our original Alex. Brown heritage), but have a national footprint and presence. We invest where we find the best companies and teams.

*QuestMark has over $750 million under management in three funds. We are currently investing QuestMark Fund III, a $300 million fund.

Recent Milestones


Company Date Round Size Participants
Vapotherm 4/2014Series B$24M8
ServiceMax 3/2014Series E$71M11
uTest 1/2014Series E$43M7
Yub 11/2013Venture Round$12M9
iStreamPlanet 8/2013Series B$8M1
Vapotherm 4/2013Series A$29M7
Vidyo 4/2013Private Equity$17.1M6
Guavus 1/2013Series D$30M5
Xirrus 9/2012Series E$23.5M5
Vidyo 5/2012Venture Round$2M6
NComputing 4/2012Venture Round$21.8M4
Virtustream 3/2012Series B$15M5
TrialPay 1/2012Series C$40M10
Ensenda 1/2012Venture Round$1.8M3
IntegenX 12/2011Series C$40M7
uTest 12/2011Series D$17M1
Vidyo 9/2011Series D$22.5M4
Discover Books, LLC 1/2011Venture Round$8.5M1
Rhythm NewMedia 11/2010Series C$10M4
Overture Networks 4/2010Venture Round$17.2M7
Nimblefish Technologies 11/2009Debt$950k3
Enpirion 3/2009Series E$16M6
GenVault 6/2008Series C$13M4
Xirrus 3/2008Series C$26M5
Incipient 2/2008Series E$15.6M8
Ensenda 1/2008Venture Round$10.3M3
AngioScore 10/2007Series E$30M6
Mformation Technologies 5/2007Series E$20M9
GenVault 4/2007Venture Round$18M2
RF Code 6/2006Series C$10.5M1
Vurv Technology 6/2006Series C$5M2
MedManage Systems 4/2006Series D$10.8M4
Incipient 1/2006Series D$24M7
RF Code 6/2005Venture Round$20M3
Nimblefish Technologies 4/2005Venture Round$12M3



  1. Citation Needed [add]
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  3. [edit]
  4. Overture Networks Raises Additional Capital to Accelerate Growth Plans ( [edit]
    Rhythm NewMedia Raises Another $10 Million For Its Premium Mobile Video Ad Network ( [edit]
    Medtronic to Acquire Salient Surgical Technologies for $525 Million ( [edit]
    Seed maker Ceres files for $100 Million IPO ( [edit]
    Adara Secures $20 M in Financing Led by QuestMark Partners ( [edit]
  5. Vapotherm Closes $24M Financing ( [edit]
  6. v=Field Service Software Developer ServiceMax Raises $71M From Kleiner Perkins, Meritech Capital ( [edit]
  7. Utest, Now Called Applause, Secures $43M Series E Round Led By Goldman Sachs, to Roll Up App Testing Market ( [edit]
  8. Yub Raises $12M in Funding ( [edit]
  9. iStreamPlanet Secures $8M in Financing ( [edit]
  10. Vapotherm Closes $29 Mln Round ( [edit]
  12. Telecommunications Data Analytics Company Guavus Raises $30M From IGC, Intel Capital And Others ( [edit]
  13. Xirrus Raises $23.5M in Series E Funding ( [edit]
  14. SEC ( [edit]
  15. NComputing raises $21.8M round as desktop virtualization drives computing costs lower ( [edit]
  16. Virtualization Startup Virtustream Raises $15M From Intel Capital And Others ( [edit]
  17. TrialPay Raises $40 Million From Visa, Greylock, T.Rowe Price ( [edit]
  18. VC Funding- Q1 2012 Source [edit]
  19. IntegenX Garners $40,000,000 Series C Financing Round ( [edit]
  20. uTest Helps Developers Build Better Software, Raises $17 Million ( [edit]
  21. Vidyo Raises $22.5M in Series D funding ( [edit]
  22. Thrift Recycling Management Books $8.5M For Growth ( [edit]
  23. Rhythm NewMedia Raises Another $10 Million For Its Premium Mobile Video Ad Network ( [edit]
  24. Overture Networks Raises Additional Capital to Accelerate Growth Plans ( [edit]
  25. NimbleFish swims to $950K for marketing automation ( [edit]
  26. Enpirion Plugs Into $16M Series E ( [edit]
  27. Capital Funding Report [edit]
  28. Xirrus ( [edit]
  29. ( [edit]
  30. Ensenda, a provider of last-mile logistics, raises $10.3M ( [edit]
  31. AngioScore Announces Completion of $30 Million Financing ( [edit]
  33. GenVault Corporation Raises $18 Million of Financing ( [edit]
  34. EDGAR [edit]
  35. EDGAR [edit]
  36. MedManage Systems, Inc. Closes $10.75 Million Series D ( [edit]
  37. Storage Virtualization Software Developer Incipient, Inc. Secures $24 Million in Series D Financing ( [edit]
  38. EDGAR [edit]
  39. EDGAR [edit]
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Last Edited 4/10/14

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