(CNN) — Palantir Technologies, the secretive data company best known for taking on controversial work for the U.S. government, made its Wall Street debut Wednesday.

Peter Thiel, co-founder and chairman of Palantir Technologies Inc., 2019. Photographer: Kiyoshi Ota/Bloomberg via Getty Images 

The company began trading on the New York Stock Exchange under the ticker symbol “PLTR” just after 1:30 p.m. ET at $10 a share, up from the reference price listed by the NYSE of $7.25 a share, which would have valued the company at nearly $16 billion, or below its $20 billion private market valuation. (Reference prices are guides for investors but do not dictate how the stock will open.)

Palantir’s stock was 50% above its reference price about 30 minutes into trading. It finished the day at $9.50, or 31% above the reference price.

Following in the footsteps of Spotify and Slack, Palantir went public through a direct listing, meaning it did not rely on underwriters to assess demand and set a price. A direct listing only involves the sale of existing shares, and no new capital is raised.

Asana, a task management software startup, also made its debut via a direct listing on Wednesday. The NYSE has listed it a reference price of $21 a share; Asana opened trading at around 12:35pm ET at $27 and closed at $28.80.

Asana, based in San Francisco, was started in 2008 by Facebook co-founder Dustin Moskovitz and former Facebook engineer Justin Rosenstein.

Palantir, which was long based in Palo Alto, recently confirmed that it has moved its headquarters to Denver,

In the 17 years since it was founded, Palantir Technologies has received financial backing from the Central Intelligence Agency, become one of the most valuable private companies in the United States, and earned a seat at the table alongside the biggest tech companies in meeting with President Donald Trump. Cofounder Peter Thiel, a member of the so-called “PayPal mafia” and a longtime Facebook board member, supported Trump’s 2016 campaign.

The company, which has long shrouded itself in secrecy, revealed in August via its prospectus that it has never turned a profit and that about a third of its revenue came from its three biggest customers. In the first six months of 2020, it reported revenue of $481 million, up nearly 50% from a year earlier, and losses of $164 million, down from $280 million the same period a year prior. It lost $580 million on revenue of $743 million in 2019.

Named after the seeing stones in J.R.R. Tolkien’s fantasy novel “The Lord of the Rings,” Palantir has two products that customers use to organize and glean insights from mounds of data: Gotham, which was initially developed for government clients, and Foundry, geared toward commercial clients.

Palantir, which provides governments and corporations with tools to help with everything from tracking the spread of the novel coronavirus to zeroing in on terrorists, stated in its prospectus that one of its goals is to “become the default operating system for data across the US government.”

Revenue from government contracts made up $345.5 million, or 53%, of its overall revenue in 2019.

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