Last Week's Biotech IPO Recap

Last week, eight biotech companies went public. Some of these companies traded much higher, while others traded lower.

Below is a recap of the IPOs from the week, and a look at how each performed on its first day of trading.

Zosano Pharma Corp ZSAN offered 4.5 million shares on January 27 at $11. After the first day of trading, the stock closed at $11.01.

Ascendis Pharma A/S ASND offered 6 million shares on January 28 at $18. After the first day of trading, the stock closed at $18.83.

Presbia PLC LENS offered 4.2 million shares on January 29 at $10. After the first day of trading, the stock closed at $8.15.

Flex Pharma Inc FLKS offered 5.4 million shares on January 29 at $16. After the first day of trading, the stock closed at $14.95.

Entellus Medical Inc ENTL offered 4.6 million shares on January 29 at $17. After the first day of trading, the stock closed at $22.

TRACON Pharmaceuticals Inc TCON offered 3.6 million shares on January 30 at $10. After the first day of trading, the stock closed at $9.40.

Spark Therapeutics Inc ONCE offered 7 million shares on January 30 at $23. After the first day of trading, the stock closed at $50.

Avinger Inc AVGR offered 5 million shares on January 30 at $14. After the first day of trading, the stock closed at $13.50.