Mario Gabelli Reduces Holdings in 3D Systems, Blue Owl, and Diamondback Energy

In the most recent 13F, Mario Gabelli’s GAMCO Investors made a series of notable reductions across its extensive equity portfolio. Known for his deep value orientation and long-term, research-driven approach, Gabelli appears to have been selectively trimming positions where valuations have risen or catalysts have played out.Below are the top five reductions by percentage change in common stock holdings:3D Systems Corp (DDD) – ↓82.14% (Technology Hardware)Gabelli sold 46,000 shares, leaving only 10,000. The ...