6 institutions reported holding $7.1M of ENERGY VAULT HOLDINGS INC (NRGV.WS) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($2.7M), SIMPLEX TRADING, LLC ($1.7M), Ghisallo Capital Management LLC ($942,214), Skaana Management L.P. ($941,019), IMC-Chicago, LLC ($491,700). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $2.7M | 823,700 | Added |
| 2 | SIMPLEX TRADING, LLC | $1.7M | 515,700 | Added |
| 3 | Ghisallo Capital Management LLC | $942,214 | 1.0M | New |
| 4 | Skaana Management L.P. | $941,019 | 1.0M | New |
| 5 | IMC-Chicago, LLC | $491,700 | 149,000 | New |
| 6 | HRT FINANCIAL LP | $270,000 | 82,000 | New |
Source: SEC Form 13F filings · as of 2026-03-31