According to Kanzer, it's possible to identify when each partner--Domini and Wellington--adds value to the portfolio, quarter by quarter. Even so, the two processes remain independent, and Domini's sustainability analysts and Wellington's financial and quantitative analysts may not speak to each other.
"It helps us make a decision independent of whether or not it helps the portfolio," says Domini senior analyst Tessie Petion, noting that Domini's goal is to enhance wealth for all stakeholders. "There is a danger that if you are considering the financial, the financial will weigh heavier."
A former investment banker and veteran financial reporter, Ellie Winninghoff is a writer and consultant. Her work about responsible and impact investing can be found at her blog, www.DoGoodCapitalist.com and she can be contacted at: ellie.winninghoff (at) gmail.com.