Activist investors are coming for Etsy. Elliott Management, the investment management firm known for its aggressive governance tactics, has built a roughly 13% position in Etsy’s stock, CNBC reports — a mix of shares and options. It makes Elliott Etsy’s largest investor after Vanguard, which has an 11% share, and the asset management giant BlackRock (5%). And — as of today — Elliott has representation on Etsy’s board of directors. The company announced this morning that Marc Steinberg, an Elliot partner, wi ...