AlphaQuest LLC grew its stake in Penumbra, Inc. (NYSE:PEN – Free Report) by 237.9% in the second quarter, according to the company in its most recent 13F filing with the Securities and Exchange Commission (SEC). The institutional investor owned 838 shares of the company’s stock after buying an additional 590 shares during the period. AlphaQuest LLC’s holdings in Penumbra were worth $215,000 at the end of the most recent reporting period. Get Penumbra alerts: A number of other hedge funds and other institut ...

BREAKING: Futures Rise Amid China Trade Deal Hopes Penumbra (PEN) on Sunday unveiled results of a "landmark" study that showed its Lightning Flash device is superior to blood thinners, alone, in patients with pulmonary embolism. The results could reshape how hospitals think about patients with intermediate-high risk blood clots in their lungs, Dr. Robert Lookstein, professor of radiology and surgery at the Icahn School of Medicine at Mount Sinai, told Investor's Business Daily. He was one of the primary inv ...