The item tracking technology producer, which has also received funding from UPS and Unilever in the past, floated at the top of its range.

Impinj, a US-based radio-frequency identification technology provider backed by several corporate investors, raised $67.2m on Wednesday when it priced its initial public offering at $14.00 per share.

The company issued 4.8 million shares, and the IPO underwriters have a 30-day option to buy another 720,000 shares, which would increase the size of the IPO to about $77.3m. It floated at the top of its $12 to $14 range.

Founded in 2000, Impinj produces technology that uses tag integrated-circuits to identify,…