1. Aquantia, a developer of 10GBASE-T PHY semiconductors,  raised $21M in a Series E funding round. The funding came from LSI Corporation, New Enterprise Associates, Lightspeed Venture Partners, Greylock Partners, Pinnacle Ventures and Venture Tech Alliance.
  2. Sequoia Capital has backed a Chicago provider of analytics and data analysis services, Mu Sigma, to the tune of $25M. Mug Sigma said the Series C funding round came from Sequoia Capital.
  3. Fremont-based Redwood Systems, a developer of LED lighting controls for the building automation market, raised $3.5M in an additional Series B funding, from Mitsui & Co.
  4. Arstasis, a developer of surgical tools for femoral artery access, secured $25.5M in a Series E funding round. Names of the investors in the firm were not disclosed.
  5. Silver Tail Systems, a developer of predictive analytics software for websites, scored $20M in a Series B funding round. The round was led by Andreessen Horowitz.
  6. Liquid Robotics, a developer of a underwater robotic vehicle, secured $22M in a Series D financing round. The round was led by VantagePoint Capital Partners.
  7. PolyRemedy, a developer of chronic wound care treatment systems,  raised $20M in a Series C funding round. The round was led by Delphi Ventures.
  8. Prosper.com, the online, micro-lending startup headed by Chris Larsen, scored $17M in new funding. The new funding came from Draper Fisher Jurvetson and Crosslink Capital.
  9. Lattice Engines, which develops B2B sales intelligence software, said Tuesday that it raised a new round of funding. Size of the new funding was not disclosed. The round was led by Sequoia Capital.
  10. San Jose-based Infineta Systems, a developer of WAN optimization products,  raised $15M in a Series B funding round. The round was led by Rembrandt Venture Partners.
  11. Authentic8, a new startup developing secure Internet browser technology, has scored a round of funding, according to investor the Foundry Group. Size and details of the funding were not disclosed.
  12. YapStone, a provider of electronic payment services for the property management industry, raised $50M from Accel Partners.
  13. Aryaka, a developer of Wan optimization and application acceleration technology,  raised $15M in a Series B funding round. The round was led by Nexus Venture Partners.
  14. ServiceMax, a developer of cloud-based, mobile field service applications, scored $14M in a Series C funding. The round was led by Mayfield Fund.
  15. NextDigest, a publisher of targeted technology newsletters, raised $190,000 in angel funding, plus $200,000 from the Kauffman Foundation.
  16. Coupons.com, which provides digital coupon technology, secured $200M from institutional investors.
  17. Room 77, the hotel search engine which launched in February, raised $10.5M in a Series B round. The round was led by General Catalyst Partners.
  18. El Dorado Ventures and Maynard Webb are behind the funding of a Kansas-based risk and compliance software firm, LockPath, which  raised $2M in a Series A round.
  19. Intacct, which develops cloud-based, financial management and accounting software for companies,scored  another $12.3M in funding. The round was led by Split Rock Partners.
  20. VirtuOz, which develops intelligence “virtual agents” for online customer service, secured $7M in a new funding round. The round came from existing investors, which included Mohr Davidow, Inventures Group and Galileo Partners.