 BNP Paribas Arbitrage SA increased its stake in First Midwest Bancorp Inc NASDAQ:FMBI by 71.4 in the 1st quarter, according to its most recent disclosure with the SEC. The institutional investor owned 45,346 shares of the financial services providers stock after acquiring an additional 18,889 shares during the period. BNP Paribas Arbitrage SAs holdings in ... 