Helena Special Investments LLC
HSI Energy Vault I LLC
Follow-ons only
Follow-ons only: first sale Dec 2020, per Form D (fund age approximates vintage)
- Vintage
- 2020
- Fund size
- $9.98M (Form D)
- Stages
- Not stated
- Sectors
- Not stated
- Regions
- Not stated
01 · Thesis
No thesis found on the firm's website yet.
02 · Initial check
$100K to $166K (estimated from fund size)
Estimated from Form D
03 · Who to approach
Named on this fund's Form D
- HENRY ELKUS, PRINCIPAL OF THE MANAGING MEMBER
- SAMUEL FEINBURG, PRINCIPAL OF THE MANAGING MEMBER
04 · Deals
No deals attributed to this fund yet.
05 · Evidence
No quoted evidence from the firm's website yet.
06 · Sources
Last verified: Oct 25, 2026