Trust Co. of Vermont boosts Avista Corp. holdings, while Envestnet cuts back, amid mixed Q1 results.

Trust Co. of Vermont increased its holdings in Avista Corporation (NYSE: AVA) by 7.9% in the first quarter, now owning 5,494 shares. Meanwhile, Envestnet Portfolio Solutions Inc. reduced its stake by 26.0%, selling 2,971 shares. Avista Corp., a utility company, saw a 1.3% rise in revenue to $603 million in its latest quarter but missed earnings estimates. The company's market value is $3.03 billion.