Mario Gabelli acquired 6 Steel Partners Holdings LP - Unit shares worth $222. That's 0.00% of their equity portfolio (795th largest holding). Mario Gabelli started to build up the position in Steel Partners Holdings LP - Unit in Q2 2014 and continued to invest until Q1 2021. Since then they sold 2 shares. The stake costed the investor $62.8, netting the investor a gain of 253% so far.