Fusion Fuel Green PLC
HTOO- Exchange
- Nasdaq
- Industry
- Misc Industrial & Commercial Machinery & Equipment
- SEC CIK
- 0001819794
No open-market purchases or sales by Fusion Fuel Green PLC insiders were filed in the last 90 days; 10 institutions reported holding it in 13F filings for Q2 2026, worth $57.6K in total; no superinvestor holds it.
Holders of 5% or more of HTOO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Fusion Fuel Green PLC, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Figueira de Chaves Frederico | 13D | 17.20%418.4K shares | New | Dec 4, 20251 filing | Dec 4, 2025 | SEC |
| Backwell John-Paul | 13D | 16.60%400.0K shares | New | Dec 4, 20251 filing | Dec 4, 2025 | SEC |
| Lantern Management Fund LP | 13G | 9.99%1.75M shares | New | Feb 13, 20261 filing | Feb 13, 2026 | SEC |
| Lipschitz Gregory | 13G/A | 9.99%350.5K shares | +3.47 ppfrom 6.52% | Dec 18, 20252 filings | May 8, 2026 | SEC |
| Roxy Capital Corp | 13G/A | 9.99%343.7K shares | +0.60 ppfrom 9.39% | Sep 29, 20253 filings | May 8, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on Fusion Fuel Green PLC, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 8, 20267:38 PM ET | Lipschitz Gregoryand 1 other | 13G/A | 9.99%350.5K shares | +3.47 ppfrom 6.52% | Mar 31, 2026 | SEC |
| May 8, 20264:15 PM ET | Roxy Capital Corpand 1 other | 13G/A | 9.99%343.7K shares | +0.60 ppfrom 9.39% | Mar 31, 2026 | SEC |
| Feb 13, 20265:24 PM ET | Lantern Management Fund LPand 1 other | 13G | 9.99%1.75M shares | New | Jan 4, 2026 | SEC |
| Dec 30, 20254:22 PM ET | Roxy Capital Corpand 1 other | 13G/A | 9.39%200.7K shares | +2.08 ppfrom 7.31% | Dec 10, 2025 | SEC |
| Dec 18, 20255:07 PM ET | Lipschitz Gregoryand 1 other | 13G | 6.52%139.3K shares | New | Dec 11, 2025 | SEC |
| Dec 4, 20256:00 PM ET | Figueira de Chaves Frederico | 13D | 17.20%418.4K shares | New | Nov 26, 2025 | SEC |
| Dec 4, 20256:00 PM ET | Backwell John-Paul | 13D | 16.60%400.0K shares | New | Nov 26, 2025 | SEC |
| Sep 29, 20257:42 PM ET | Roxy Capital Corpand 1 other | 13G | 7.31%141.5K shares | New | Sep 19, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Fusion Fuel Green PLC shares.
No Form 144 notices for Fusion Fuel Green PLC are on file.