Wasserstein Management, L.P.
Wasserstein Management, L.P. reported 5 US-listed holdings worth $239.6 million in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: Calumet Inc. (59.6%), Aeva Technologies Inc. (18.1%) and Terawulf Inc. (14.1%). Against the quarter before, it opened 2 positions, added to 2, trimmed 1 and sold out of 1.
Filed before as Wasserstein Debt Opportunities Management, L.P.
The 5 largest of its 5 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +125.3% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 2
- Energy Vault Holdings Inc. NRGV$13.1 million
- ProShares Trust TWM$6.5 million
Added to 2
- Aeva Technologies Inc. AEVA+809,376 shares · +116%
- Terawulf Inc. WULF+310,000 shares · +29%
Trimmed 1
- Calumet Inc. CLMT-608,470 shares · -13%
Sold out of 1
- Purecycle Technologies Inc. PCT$159,546 last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Calumet Inc. CLMT | 4.0M | $142.8 million | 59.61% | -608.5K |
| Aeva Technologies Inc. AEVA | 1.5M | $43.4 million | 18.10% | +809.4K |
| Terawulf Inc. WULF | 1.4M | $33.8 million | 14.09% | +310.0K |
| Energy Vault Holdings Inc. NRGV | 2.8M | $13.1 million | 5.48% | new |
| ProShares Trust TWM | 315.9K | $6.5 million | 2.73% | new |
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Change is shares against its 13F for the quarter before; the 1 it sold out of are in the box above.Options it reported
| Company | Option | Shares under the options | Value of those shares |
|---|---|---|---|
| Energy Vault Holdings Inc. NRGV | Calls | 2.0M | $9.4 million |
| Aeva Technologies Inc. AEVA | Calls | 261.5K | $7.5 million |
| Aeva Technologies Inc. AEVA | Puts | 261.5K | $7.5 million |
3 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.