Mario Gabelli acquired 32 Thousand Plains All American Pipeline LP - Unit shares worth $556 Thousand. That's 0.01% of their equity portfolio (645th largest holding). The first Plains All American Pipeline LP - Unit trade was made in Q4 2001. Since then Mario Gabelli bought shares four more times and sold shares on two occasions. The investor's estimated purchase price is $819 Thousand, resulting in a loss of 32%.