Energy Vault Holdings, Inc. (NRGV)
NYSE: NRGV · Miscellaneous Electrical Machinery, Equipment & Supplies · Westlake Villiage, CA · filing with the SEC since 2020
Who owns Energy Vault Holdings, Inc.
As filed with the SECHolders of 5% or more
4
Robert Piconi holds 13.4% of Common Stock, par value $0.0001 per share, as its SCHEDULE 13D/A filed Apr 2, 2026 says.
Directors and officers
11
report now, of 30 people on the record since 2021. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Robert Piconi
SCHEDULE 13D/A · filed Apr 2, 2026 · Common Stock, par value $0.0001 per share
SB Investment Advisers (UK) Limited
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, par value $0.0001 per share
Craig Effron
SCHEDULE 13G · filed Aug 14, 2026 · Common Stock, par value $0.0001 per share
Blackrock, Inc.
SCHEDULE 13G · filed Jul 28, 2026 · Common Stock
What NRGV reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Asset Vault, LLC
An entity · legal entity · owns, named in the 10-K filed Mar 18, 2026
Calistoga Resiliency Center, LLC
An entity · legal entity · owns, named in the 10-K filed Mar 18, 2026
20 subsidiaries in 6 countries, from the list filed with the 10-K filed Mar 18, 2026.
Insider tradesForm 4
4sales
11purchases
0sales on a scheduled plan
2people selling
$1.1Msold, in dollars
$600,000bought, in dollars
Open-market trades on Form 4 from Oct 2, 2025 to Oct 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window9 of 34 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Sb Investment Advisers (Uk) Ltd | 10% owner | 1 | $17.0M | 0 | 0 | $0 |
| Beer Michael Thomas | Chief Financial Officer | 3 | $700,000 | 0 | 0 | $0 |
| Unwin Stephanie | director | 1 | $400,000 | 0 | 0 | $0 |
| Hixon Dylan | director | 0 | $0 | 0 | 4 | $400,000 |
| Piconi Robert | Chief Executive Officer | 0 | $0 | 0 | 3 | $100,000 |
| Ladwa Akshay | Chief Operations Officer | 0 | $0 | 0 | 1 | $0 |
| Ertel Thomas R | director | 0 | $0 | 0 | 1 | $0 |
| Mandanas Mary Beth | director | 0 | $0 | 0 | 1 | $0 |
| Paulson Larry | director | 0 | $0 | 0 | 1 | $0 |