Funding Rounds in May 2011

All 1,082 funding rounds announced during May 2011, sorted by deal size. Includes lead investors, stage, and total raised.

1,082
Rounds announced
$5.8B
Total raised
$6.8M
Avg round
$176.0M
Largest
Round-type breakdown
Investment types in May 2011
Seed
269
Series Unknown
263
Series A
132
Debt Financing
68
Angel
58
Series B
56
Private Equity
51
Series C
35
Grant
30
Post Ipo Equity
30
# Company Round Raised Lead Investor Date
51
Minerva Surgical
Minerva Surgical is a medical device start-up company developing medic…
Private Equity $26.2M 2011-05-31 Round →
52
PlumChoice
PlumChoice is purpose-built to solve complex technical needs, forging …
Debt Financing $25.6M M/C Partners +2 2011-05-04 Round →
53
Arstasis
Arstasis manufactures medical devices for cardiologists, interventiona…
Series E $25.5M 2011-05-31 Round →
54
BioCritica
BioCritica develops and commercializes critical care products for the …
Private Equity $25.0M Novaquest Capital Management +1 2011-05-25 Round →
55
Hara
Hara offers a cloud-based enterprise software platform for energy and …
Series C $25.0M Focus Ventures +5 2011-05-17 Round →
56
Wooga
Wooga make games with thoughtful, compelling stories at their core.
Series B $24.0M Highland Capital Partners +4 2011-05-31 Round →
57
SEVALO
SEVALO is a supply chain service platform for construction machinery.
Series A $23.9M Bailihong Chuangtou +4 2011-05-31 Round →
58
Silvergate Pharmaceuticals
Silvergate Pharmaceuticals develops and commercializes pediatric medic…
Series Unknown $23.6M Frazier Healthcare Partners 2011-05-20 Round →
59
Next Performance
Next Performance offers dynamic retargeting, real-time user analytics …
Series Unknown $23.0M Kennet Partners 2011-05-31 Round →
60
CrowdStar
CrowdStar operates in the mobile and social gaming industry, developin…
Series Unknown $23.0M Intel Capital +3 2011-05-23 Round →
61
QD Vision
QD Vision is a nanotechnology products company delivering display and …
Series D $22.0M Passport Capital +6 2011-05-24 Round →
62
Solarflare Communications
Solarflare Communications develops application-intelligent 10GbE serve…
Series Unknown $20.5M 2011-05-27 Round →
63
Genkyotex
Genkyotex develops innovative drugs to block the NOX enzymes that prod…
Series C $20.4M Andera Partners +4 2011-05-24 Round →
64
OpenX
OpenX is a supply-side platform for audience, data, and identity targe…
Series D $20.0M Sapphire Ventures +7 2011-05-31 Round →
65
MobileIron
MobileIron offers a mobile-centric, zero trust security approach that …
Series D $20.0M Sequoia Capital +3 2011-05-27 Round →
66
SiTime
SiTime is an analog semiconductor company that offers MEMS-based silic…
Series E $20.0M RUSNANO +1 2011-05-27 Round →
67
Siano Mobile Silicon
Siano Mobile Silicon develops silicon receivers for communications and…
Series Unknown $20.0M Jerusalem Venture Partners (JVP) 2011-05-24 Round →
68
LifeBond
LifeBond is a leader in the development and manufacturing of biosurgic…
Series C $20.0M Giza Venture Capital +3 2011-05-23 Round →
69
Kumi
Kumi is an animated video platform.
Series A $20.0M Innoangel Fund 2011-05-19 Round →
70
AddThis
AddThis provides social engagement tools, APIs and services personaliz…
Series D $20.0M IVP +6 2011-05-10 Round →
71
Lightwave Logic
Lightwave Logic is a research and development company focused on devel…
Post Ipo Equity $20.0M Lincoln Park Capital Fund 2011-05-07 Round →
72
NinthDecimal
NinthDecimal is the marketing platform powered by location data that b…
Series Unknown $20.0M Trident Capital +3 2011-05-06 Round →
73
Funzio
Funzio is company that develops games for Facebook and mobile devices.
Series A $20.0M IDG Capital +2 2011-05-05 Round →
74
Cobalt Technologies
Cobalt Technologies develops technologies that focuses and designed fo…
Series D $20.0M EQT Life Sciences +4 2011-05-02 Round →
75
General Fusion
General Fusion provides commercial fusion energy by developing a magne…
Series B $19.5M Business Development Bank of Canada +6 2011-05-05 Round →
76
Delenex Therapeutics
Delenex Therapeutics is engaged in developing therapeutic antibody fra…
Series A $19.3M Novo Ventures +4 2011-05-03 Round →
77
ViajaNet
ViajaNet is an online travel agency offering flights, hotels, cruises …
Series C $19.0M Redpoint +2 2011-05-25 Round →
78
Mirics Semiconductor
Mirics Semiconductor offers semiconductors that enable global platform…
Series C $18.0M 2011-05-25 Round →
79
Naurex
Naurex is a clinical-stage company developing novel therapeutics for d…
Series A $18.0M Adams Street Partners +5 2011-05-11 Round →
80
BranchOut
BranchOut lets people capture and share everyday moments in the workpl…
Series B $18.0M Redpoint +3 2011-05-11 Round →
81
OrSense
OrSense develops and commercializes patient-monitoring solutions for t…
Series Unknown $18.0M Israel Healthcare Ventures +2 2011-05-02 Round →
82
Ivantis
Ivantis is focused on developing an innovative treatment for glaucoma …
Series A $17.3M 2011-05-31 Round →
83
TOA Technologies
TOA Technologies provides field service management software for busine…
Series D $17.2M Sutter Hill Ventures +5 2011-05-12 Round →
84
OneChip Photonics
OneChip Photonics develops and manufactures optical transceiver chips …
Series C $17.0M 2011-05-12 Round →
85
Peel
Peel is the leading universal home control and video content discovery…
Series B $16.7M Lightspeed Venture Partners +1 2011-05-02 Round →
86
Morgan Solar
Morgan Solar is a provider of low-cost solar power applications.
Series B $16.5M Iberdrola +2 2011-05-25 Round →
87
GainSpan
GainSpan designs ultra low-power Wi-Fi modules for battery-powered, em…
Series Unknown $16.5M 2011-05-19 Round →
88
Nujira
Nujira provides envelope tracking technology and solutions for powerin…
Series Unknown $16.2M Climate Change Capital +3 2011-05-18 Round →
89
Exclusively
Exclusively.In is a members-only shopping site for Indian-inspired fas…
Series B $16.0M Tiger Global Management +2 2011-05-29 Round →
90
Silecs
Silecs manufactures electronic and optical materials for semiconductor…
Series E $16.0M EDBI +3 2011-05-18 Round →
91
WaveTec Vision
WaveTec Vision develops and provides a wavefront measurement technolog…
Series D $15.9M Versant Ventures +3 2011-05-12 Round →
92
PlumChoice
PlumChoice is purpose-built to solve complex technical needs, forging …
Series Unknown $15.6M 2011-05-11 Round →
93
LSO
LSO is an provider of overnight, time-definite express package deliver…
Debt Financing $15.5M Praesidian Capital 2011-05-19 Round →
94
Antenna Software
Antenna Software is a business mobility solutions provider.
Series Unknown $15.0M 2011-05-27 Round →
95
SpaceOAR
SpaceOAR is a medical device company that develops space-filling hydro…
Series C $15.0M Varian 2011-05-25 Round →
96
Rent the Runway
Rent the Runway is an online e-commerce website that allows women to r…
Series B $15.0M Kleiner Perkins 2011-05-23 Round →
97
Mitek Systems
Mitek Systems is a software company that specializes in digital identi…
Post Ipo Equity $15.0M Philadelphia Financial Group 2011-05-20 Round →
98
Jobvite
Jobvite provides end-to-end talent acquisition software and services t…
Series C $15.0M Trident Capital +2 2011-05-17 Round →
99
Mint Bills
Mint Bills is an application that enables its users to set reminders t…
Series B $15.0M Morgenthaler Ventures +1 2011-05-10 Round →
100
iRhythm Technologies
iRhythm Technologies provides diagnostic monitoring solutions that fac…
Series C $15.0M New Leaf Venture Partners +2 2011-05-04 Round →