S4 Capital Buys Programmatic Ad Firm MightyHive

Martin Sorrell’s S4 Capital has agreed to buy San Francisco-based programmatic ad firm MightyHive for an enterprise value of $150 million, funded by the issue of new shares worth $94 million. Sorrell said the deal marked an important second strategic step for his new company. “The peanut has now morphed into a coconut, and is growing and ripening,” he said on Tuesday.