Energy Vault
Supplies and operates grid-scale energy-storage systems, software and selected storage assets.
$3.60
After-hours close+0.06 (+1.69%)
At close$3.54(−5.60%)
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Breakdown13F · Form 4
Institutions 43.76%79.32M sharesInsiders 12.70%23.02M sharesOther 43.54%78.90M shares
Shares outstanding 181.24M · Float 132.06M · 72.9% free float
Institutions13F, as of Mar 31, 2026
165 holders · 79.32M shares · 47 new positions · 99 increased · 34 reduced · 19 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| SB Investment Advisers (UK) Ltd | 15.54M | 8.57% | −3.00M | May 18, 2026 |
| State Street Corp | 5.81M | 3.20% | +111.0K | May 15, 2026 |
| Scoggin Management LP | 5.50M | 3.03% | +425.0K | May 15, 2026 |
| Marshall Wace, LLP | 5.49M | 3.03% | +2.30M | May 15, 2026 |
| Vanguard Capital Management LLC | 5.16M | 2.85% | +5.16Mnew | May 15, 2026 |
| Sailingstone Capital Partners LLC | 4.45M | 2.45% | −493.0K | May 15, 2026 |
| Legal & General Group PLC | 4.11M | 2.27% | +155.2K | May 8, 2026 |
| UBS Group AG | 3.26M | 1.80% | +1.72M | May 5, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Robert Piconi | 13.40% | 23.42M | 13D | Apr 2, 2026 ↗ |
| SB Investment Advisers (UK) Limited | 8.90% | 15.54M | 13G | May 15, 2026 ↗ |
| SailingStone Capital Partners LLCincl. MacKenzie B. Davis, Kenneth L. Settles Jr. +1 more | 5.41% | 8.15M | 13G | Sep 16, 2024 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Robert Piconi | director, 10 percent owner, officer: Chief Executive Officer | 16.45M | 9.08% | Jul 2, 2026 |
| SoftBank Vision Fund (Aiv M2) L.P. | 10 percent owner | 15.54M | 8.57% | Jan 20, 2026 |
| Akshay Ladwa | officer: Chief Operations Officer | 2.09M | 1.15% | Jul 2, 2026 |
| Christopher Wiese | officer: President, Energy Vault Labs | 1.13M | 0.62% | Jan 23, 2026 |
| Michael Thomas Beer | officer: Chief Financial Officer | 1.02M | 0.56% | Jul 8, 2026 |
| Larry Paulson | director | 523.8K | 0.29% | Jun 1, 2026 |
| Nitin Dahiya | officer: Chief Financial Officer | 400.0K | 0.22% | Aug 6, 2026 |
| Thomas R. Ertel | director | 387.8K | 0.21% | Jun 1, 2026 |
| Mary Beth Mandanas | director | 372.9K | 0.21% | Jun 1, 2026 |
| Theresa M. Fariello | director | 318.2K | 0.18% | Jun 1, 2026 |
1 ten-percent owner holds 15.54M shares by Form 4, outside the officers-and-directors figure above · 18 people have not refiled in the last 18 months (11.08M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 26, 2026 | Stephanie Unwindirector | Sale | 115,000 | $3.71 | 182,245 |
| Aug 17, 2026 | Dylan Hixondirector | Purchase | 27,472 | $3.88 | 27,472 |
| Aug 14, 2026 | Dylan Hixondirector | Purchase · 3 lots | 85,518 | $3.74 | 31,864 |
| Jul 6, 2026 | Michael Thomas Beerofficer: Chief Financial Officer | Sale | 65,000 | $4.08 | 1,021,806 |
| Apr 6, 2026 | Michael Thomas Beerofficer: Chief Financial Officer | Sale | 65,000 | $3.18 | 1,060,945 |
| Mar 31, 2026 | Robert Piconidirector, 10 percent owner, officer: Chief Executive Officer | Purchase | 12,500 | $3.21 | 16,921,594 |
| Mar 25, 2026 | Mary Beth Mandanasdirector | Purchase | 5,000 | $3.65 | 350,838 |
| Mar 4, 2026 | Thomas R. Erteldirector | Purchase | 5,450 | $3.37 | 365,788 |
| Mar 2, 2026 | Akshay Ladwaofficer: Chief Operations Officer | Purchase | 4,000 | $3.09 | 1,824,384 |
| Feb 27, 2026 | Larry Paulsondirector | Purchase | 5,000 | $3.15 | 501,768 |
CongressHouse and Senate disclosures
Not reported.