A.R.T. Advisors LLC bought a new stake in Laredo Petroleum Inc (NYSE:LPI) during the second quarter, according to the company in its most recent Form 13F filing with the SEC. The firm bought 434,859 shares of the oil and gas producer’s stock, valued at approximately $1,261,000. A.R.T. Advisors LLC owned about 0.18% of Laredo Petroleum […]
