Regeneron Pharmaceuticals traded at $573.38 this Friday September 5th, increasing $6.16 or 1.09 percent since the previous trading session. Looking back, over the last four weeks, Regeneron Pharmaceuticals gained 3.29 percent. Over the last 12 months, its price fell by 49.30 percent. Looking ahead, we forecast Regeneron Pharmaceuticals to be priced at 568.62 by the end of this quarter and at 554.58 in one year, according to Trading Economics global macro models projections and analysts expectations.