Tower Research Capital LLC TRC lifted its holdings in shares of Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN – Free Report) by 259.5% during the fourth quarter, Holdings Channel.com reports. The fund owned 18,553 shares of the biopharmaceutical company’s stock after acquiring an additional 13,392 shares during the period. Tower Research Capital LLC TRC’s holdings in Regeneron Pharmaceuticals […]