Wasserstein Management, L.P.
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Wasserstein Management, L.P. reported 5 stock positions worth $239.6 million. Its top holding was Calumet (CLMT) at 59.6% of the portfolio, followed by Aeva Technologies (AEVA, 18.1%) and Terawulf (WULF, 14.1%). Compared with Q1 2026, it opened 2 new positions, sold out of 1, added to 2 and reduced 1. The biggest buy was Aeva Technologies (AEVA, shares +116%) and the biggest sale Calumet (CLMT, shares −13%).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001751492
- Portfolio Value
- $239.6M (Q2 2026)
- SEC Filing
- 0001751492-26-000005 ↗ filed Aug 14, 2026
Holdings Value
Holdings 5 stocks · $239.6M
| CLMT Calumet Inc. | 59.61% | 3,964,893 | $142.8M | Reduce -13.3% |
| AEVA Aeva Technologies Inc. | 18.10% | 1,509,539 | $43.4M | Add +115.6% |
| WULF Terawulf Inc. | 14.09% | 1,366,639 | $33.8M | Add +29.3% |
| NRGV Energy Vault Holdings Inc. | 5.48% | 2,785,924 | $13.1M | New |
| TWM Proshares Ultrashort R2000 | 2.73% | 315,900 | $6.5M | New |
Options reported separately and not counted above: NRGV calls ($9.4M), AEVA puts ($7.5M), AEVA calls ($7.5M).
Portfolio Sells Q1 2026 → Q2 2026
Portfolio Buys Q1 2026 → Q2 2026
Options Activity Q1 2026 → Q2 2026
| NRGV Energy Vault Holdings Inc. | call | New | 2,000,000 | $9.4M |
| AEVA Aeva Technologies Inc. | put | New | 261,500 | $7.5M |
| AEVA Aeva Technologies Inc. | call | New | 261,500 | $7.5M |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.