Twitter announced the acquisition in a blog post but did not discloses the financial terms of the deal. "We have been working to bring native ads to mobile app publishers in order to create a more seamless and less intrusive ad experience for users," the post reads.
Namo contributes technology for native advertising, which integrates ads into a website. A native ad could appear like a promoted story on a news site, for example.
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Pacific Crest initiated coverage on Twitter with an "outperform" rating and set a $45 price target.
The stock was up 5.47% to $34.70 at 12:29 p.m.