The largest Boston VC deal of April went to SilverRail, whose software integrates different rail lines into a single booking platform (AP Photo/Mark Lennihan)
The largest Boston VC deal of April went to SilverRail, whose software integrates different rail lines into a single booking platform (AP Photo/Mark Lennihan)

After a huge month for venture funding in Boston in March, the region saw fewer blockbusters in April but a steady flow of mid-range deals in tech and biotech.

1. SilverRail (Woburn) raised $40 million for its  software that integrates all of the world’s rail lines into a single booking service — a sort of Rosetta Stone that brings together the wide array of different online booking systems currently being used.

2. Ambri (Cambridge) raised $35 million to develop and manufacture its new energy storage technology, which aims to solve key challenges of the world’s electrical grids.

3. Kala Pharmaceuticals (Waltham) raised $22.5 million to advance clinical development of its therapeutic eye drops.

4. Consumer United (Boston) raised $14 million to expand its online insurance business.

5. Netprospex (Waltham) raised $13 million to accelerate the growth of its marketing data management service.

6. AdvanDx (Woburn) raised $12 million to expand its molecular diagnostic products.

7. FloDesign (Wilbraham) raised $10 million to bring its acoustics technology to new areas, such as bioprocessing.

8. Convergent Dental (Natick) raised $8.8 million for its computer-aided dental laser.

9. Placester (Boston) raised $5.5 million  to debut a new online advertising tool that makes it easier for real estate agents to showcase property listings on local newspaper websites.

10. ezCater (Boston) raised $4 million for its online food ordering system for businesses.

To follow fundings we cover throughout the month, bookmark this page or sign up for My Beta at the top of this page and add the “Funding” tag.

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