Cooperman Leon G reported 29 positions worth $3.50B for the quarter ended Jun 30, 2026, up 20.9% on the prior quarter. It opened 4 new positions, added to 7, trimmed 1 and exited 3. Its largest holding is Vertiv Holdings Co at 20.6% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| GPGI GPGI, Inc. | +11.38M | $180.44M | 5.15% |
| WHK WhiteHawk Minerals Corp. | +3.26M | $90.73M | 2.59% |
| AMRZ Amrize Ltd | +880.0K | $46.90M | 1.34% |
| GEHC GE HealthCare Technologies Inc. | +639.5K +95.4% | $40.93M | 2.39% |
| COF Capital One Financial Corp | +85.0K +23.0% | $17.05M | 2.61% |
| ASH Ashland Inc. | +195.0K +11.5% | $12.85M | 3.57% |
| PLGO Pelagos Insurance Capital Ltd | +527.1K +6.6% | $12.83M | 5.92% |
| DMAC DiaMedica Therapeutics Inc. | +1.43M +70.8% | $10.07M | 0.694% |
| OMF OneMain Holdings, Inc. | +125.0K +6.2% | $7.62M | 3.71% |
| KZIA Kazia Therapeutics Ltd | +50.0K | $704.00K | 0.02% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | VRT Vertiv Holdings Co | Industrials | 2.16M | $722.47M | 20.63% | 0 | 0.0% | Unchanged | 0.56% |
| 2 | RKT Rocket Companies, Inc. | Financial Services | 21.02M | $331.01M | 9.45% | 0 | 0.0% | Unchanged | 1.1% |
| 3 | ET Energy Transfer LP | Energy | 13.32M | $254.68M | 7.27% | 0 | 0.0% | Unchanged | 0.39% |
| 4 | PLGO Pelagos Insurance Capital Ltd | Financial Services | 8.51M | $207.25M | 5.92% | +527.1K | +6.6% | Added | 8.02% |
| 5 | GPGI GPGI, Inc. | Industrials | 11.38M | $180.44M | 5.15% | +11.38M | – | New | 3.93% |
| 6 | MP MP Materials Corp. / DE | Basic Materials | 3.00M | $168.03M | 4.8% | 0 | 0.0% | Unchanged | 1.68% |
| 7 | APO Apollo Global Management, Inc. | Financial Services | 1.34M | $158.18M | 4.52% | 0 | 0.0% | Unchanged | 0.23% |
| 8 | MIR Mirion Technologies, Inc. | Industrials | 8.38M | $150.32M | 4.29% | 0 | 0.0% | Unchanged | 3.37% |
| 9 | OMF OneMain Holdings, Inc. | Financial Services | 2.13M | $129.87M | 3.71% | +125.0K | +6.2% | Added | 1.85% |
| 10 | ASH Ashland Inc. | Basic Materials | 1.90M | $124.86M | 3.57% | +195.0K | +11.5% | Added | 4.12% |
| 11 | WSC WillScot Holdings Corp | Industrials | 4.03M | $116.34M | 3.32% | 0 | 0.0% | Unchanged | 2.23% |
| 12 | LAD Lithia Motors Inc | Consumer Discretionary | 340.0K | $98.77M | 2.82% | 0 | 0.0% | Unchanged | 1.51% |
| 13 | COF Capital One Financial Corp | Financial Services | 455.0K | $91.28M | 2.61% | +85.0K | +23.0% | Added | 0.07% |
| 14 | WHK WhiteHawk Minerals Corp. | Energy | 3.26M | $90.73M | 2.59% | +3.26M | – | New | 11.84% |
| 15 | CI Cigna Group | Healthcare | 325.0K | $89.60M | 2.56% | 0 | 0.0% | Unchanged | 0.12% |
Tip. Select a row to see that position’s full history at Cooperman Leon G.
As of its Q2 2026 13F filing, Cooperman Leon G’s five largest positions were Vertiv Holdings Co (VRT) at 20.6%, Rocket Companies, Inc. (RKT) at 9.5%, Energy Transfer LP (ET) at 7.3%, Pelagos Insurance Capital Ltd (PLGO) at 5.9%, GPGI, Inc. (GPGI) at 5.2% of the reported portfolio.
Cooperman Leon G reported a 13F portfolio worth $3.50B across 29 positions for Q2 2026. That is up 20.9% from the previous quarter.
Its largest purchases by value were GPGI, Inc. ($180.44M), WhiteHawk Minerals Corp. ($90.73M), Amrize Ltd ($46.90M). It opened 4 new positions.
Its largest sales by value were Sunoco LP ($94.10M), Elevance Health, Inc. ($66.72M), Atlas Energy Solutions Inc. ($53.57M). It exited 3 positions entirely.
From the Form 13F-HR reports Cooperman Leon G files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.