Simplex Trading LLC Boosts Stock Position in ProShares UltraShort S&P500 (NYSEARCA:SDS)
Simplex Trading LLC increased its stake in ProShares UltraShort S&P500 (NYSEARCA:SDS – Free Report) by 218.6% in the 4th quarter, according to the company in its most recent disclosure with the SEC. The institutional investor owned 27,341 shares of the real estate investment trust’s stock after purchasing an additional 18,760 shares during the quarter. Simplex […]
