The world’s largest container-ship tonnage provider Seaspan Corp will be taken into private hands after major shareholders agreed a deal for an enterprise value of $10.9bn.

Parent Atlas Corp has agreed to accept an all-cash takeover at $15.5 per share in a move expected to see the stock delisted from the New York Stock Exchange next year.

The deal places the company in the hands of Poseidon Acquisition Corp, an entity formed by certain affiliates of Fairfax Financial Holdings, the Washington Family and Atlas chairman David Sokol.