Ken Griffin acquired 278 Thousand Invesco Capital Management LLC - PowerShares UltraShort Lehman 20+ Year Treasury ProShares 2x Shares shares worth $10.3 Million. That's 0.01% of their equity portfolio (1101st largest holding). The investor owns 118.89% of the outstanding Invesco Capital Management LLC - PowerShares UltraShort Lehman 20+ Year Treasury ProShares 2x Shares stock. The first Invesco Capital Management LLC - PowerShares UltraShort Lehman 20+ Year Treasury ProShares 2x Shares trade was made in Q1 2014. Since then Ken Griffin bought shares 49 more times and sold shares on 43 occasions. The stake costed the investor $8.48 Million, netting the investor a gain of 21% so far.