Saudi Arabia’s leading vacation rental platform Gathern has raised $72 million in Series B round led by Sanabil Investments, a wholly owned subsidiary of the Public Investment Fund, with participation from STV, Pinnacle Capital, Nuwa Capital, and Endeavor Catalyst. The round values the company at over $266 million, making it the highest-valued venture-backed startup in the Middle East founded and led by a woman, according to Termsheet.