Two health-tech companies went public on Thursday, with both meeting salubrious investor demand for their shares.

Both Livongo Health (LVGO) - Get Livongo Health, Inc. Report and Health Catalyst (HCAT) - Get Health Catalyst, Inc. Report jumped in their first day of trading.

Livongo, a Mountain View, Calif.-based platform enabling people with chronic conditions to better manage their health, had priced its initial public offering of 12.7 million shares at $28 on Wednesday evening.

The company gave the underwriters an option on 1.9 million more shares.

On Thursday, Livongo stock was trading at $40.04, up 43%, after trading as high as $45.46, up 62%.

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Morgan Stanley, Goldman Sachs and JP Morgan are lead book-running managers for the offering.

Health Catalyst, the Salt Lake City provider of data and analytics technology and services to healthcare organizations, on Wednesday priced seven million shares at $26.

The stock was recently trading up 46% at $37.89.

Underwriters received an option on an additional 1.05 million shares.

Goldman, JP Morgan and William Blair are book-running managers.

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