From the NASDAQ website (left side-bar near the bottom), I've only included funds that have reported, more should be updated soon.
New Institutional Investors:
Driehaus Capital Management LLC bought 317,561 shares in Q3.
Bridgeway Capital Management bought 20,700 shares in Q3.
Spark Investment Management LLC bought 17,300 shares in Q3.
PNC Financial Services Group Inc bought in with 1,000 shares in Q3.
Previous Institutional Investors:
EAM Investors LLC sold 63,488 shares in Q3 and still own 324,930.
Blackrock Fund Advisors sold 1,730 shares and now own 13,760.
UBS AG bought 686 shares and now own 1,060.
GEODE CAPITAL MANAGEMENT LLC 11,634 $ 71,782 0.00% 0.00 3270 11,634
MORGAN STANLEY 12,000 $ 74,040
Bumping for a factual thread.