Ken Griffin acquired 155 Thousand Resmed shares worth $28.5 Million. That's 0.03% of their equity portfolio (649th largest holding). The first Resmed trade was made in Q2 2013. Since then Ken Griffin bought shares 55 more times and sold shares on 42 occasions. The stake costed the investor $27.1 Million, netting the investor a gain of 5.1% so far.