History suggests firms are very willing to go to court if required to protect their secrets, and some will go even further: in 2009 Goldman Sachs had a former employee arrested and ultimately jailed on charges of stealing their proprietary software.
Investment banks and hedge funds are normally very secretive organisations, carefully guarding the proprietary data that they view as key competitive advantages.
https://news.efinancialcareers.com/us-en/3004692/banks-open-source
