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Viant Co-Founders Buy Back Stake

Viant Technology LLC, an Irvine-based advertising technology company, said it completed a company buyout and that co-founders Tim and Chris Vanderhook have regained control of the firm from Des Moines-based Meredith Corp.

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Ad Tech Firm Buys Competitor

Viant Technology LLC in Irvine agreed to buy Waltham, Mass.-based Adelphic on undisclosed terms.

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