Tracking the latest moves from the activist meme stock king. — Ahoy, mateys. Welcome aboard Whale Watch, where Troop echolocates and analyzes the movements of A-list activist investors with the most capital and influence: management firms, hedge funds, CEOs, and other big fish rocking shareholder boats across the seven seas. On our radar this round: memelord Ryan Cohen. Whale: Ryan Cohen Co-Founder, Chewy; Chairman…