Impinj, a US-based provider of radio-frequency identification (RFID) tags, filed for a $100m initial public offering (IPO) while Phoenix New Media, the digital media arm of Phoenix Satellite Television, plans to raise double that.

US-listed semiconductor maker Intel’s corporate venturing unit is preparing to float two more of its portfolio companies in the US after the first three months of the year saw the biggest first quarter market rally since 1998 with the S&P gaining nearly 6%.

Impinj, a US-based provider of radio-frequency identification (RFID) tags, filed for a $100m initial public offering (IPO) while Phoenix New Media, the digital media arm of Phoenix Satellite Television, plans to raise double that.

Inpinj has raised…