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About 0.67% of HTOO shares are held by financial institutions. GROUP ONE TRADING, L.P. is the top corporate investor, holding 364 shares valued at $73.00. A 0% stake in Fusion Fuel Green PLC is owned by the company. BOOTHBAY FUND MANAGEMENT, LLC owns 104.29K shares valued at $20.86K, which translates its holding of 0.02% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Jun 30, 2025 | GROUP ONE TRADING, L.P. | 0% | 364 | 73 | -10.97K | -96.79% |
| Jun 30, 2025 | BOOTHBAY FUND MANAGEMENT, LLC | 0.02% | 104.29K | 20.86K | 0 | 0 |
| Jun 30, 2025 | CREATIVE FINANCIAL DESIGNS INC /ADV | 0% | 375 | 75 | 0 | 0 |
| Jun 30, 2025 | MORGAN STANLEY | 0% | 18.46K | 3.69K | 0 | 0 |
| Jun 30, 2025 | XTX TOPCO LTD | 0% | 0 | - | -40.8K | -100.00% |
| Jun 30, 2025 | CITADEL ADVISORS LLC | 0% | 0 | - | -1K | -100.00% |
| Jun 30, 2025 | NATIONAL BANK OF CANADA /FI/ | 0% | 6.53K | 1.31K | 0 | 0 |
| Jun 30, 2025 | CONSOLIDATED PORTFOLIO REVIEW CORP | 0.01% | 53.74K | 10.75K | 0 | 0 |
| Jun 30, 2025 | MACQUARIE GROUP LTD | 0.03% | 208.58K | 41.72K | -348.86K | -62.58% |
| Jun 30, 2025 | JONES FINANCIAL COMPANIES LLLP | 0% | 100 | 20 | 100 | +100.00% |
| Jun 30, 2025 | CIBC PRIVATE WEALTH GROUP, LLC | 0% | 225 | 45 | 0 | 0 |
| Jun 30, 2025 | WELLS FARGO & COMPANY/MN | 0% | 879 | 176 | 0 | 0 |
| Jun 30, 2025 | CRESCENT GROVE ADVISORS, LLC | 0% | 15K | 3K | 0 | 0 |
| Jun 30, 2025 | UBS GROUP AG | 0.01% | 53.7K | 10.74K | 22.31K | +71.07% |
| Jun 30, 2025 | SBI SECURITIES CO., LTD. | 0% | 0 | - | -8.81K | -100.00% |
| Jun 30, 2025 | 0% | 0 | - | -8.81K | -100.00% | |
| Jun 30, 2025 | MAI CAPITAL MANAGEMENT | 0% | 0 | - | -1.18K | -100.00% |
| Mar 31, 2025 | CRESCENT GROVE ADVISORS, LLC | 0.08% | 15K | 3.89K | 0 | 0 |
| Mar 31, 2025 | GROUP ONE TRADING, L.P. | 0.06% | 11.33K | 2.92K | 11.13K | +5,564.50% |
| Mar 31, 2025 | NATIONAL BANK OF CANADA /FI/ | 0.04% | 6.53K | 1.65K | 0 | 0 |
| Mar 31, 2025 | CREATIVE FINANCIAL DESIGNS INC /ADV | 0% | 375 | 97 | 375 | +100.00% |
| Mar 31, 2025 | CIBC PRIVATE WEALTH GROUP, LLC | 0% | 225 | 52 | 0 | 0 |
| Mar 31, 2025 | BANK OF AMERICA CORP /DE/ | 0% | 0 | - | -1K | -100.00% |
| Mar 31, 2025 | CITIGROUP INC | 0% | 0 | - | -4.27K | -100.00% |
| Mar 31, 2025 | ROYAL BANK OF CANADA | 0% | 0 | - | -1K | -100.00% |
| Mar 31, 2025 | CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. | 0% | 0 | - | -46.5K | -100.00% |
| Mar 31, 2025 | MAI CAPITAL MANAGEMENT | 0.01% | 1.18K | 307 | 1.18K | +100.00% |
| Mar 31, 2025 | SIMPLEX TRADING, LLC | 0% | 0 | - | -2.49K | -100.00% |
| Mar 31, 2025 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0% | 0 | - | -48.62K | -100.00% |
| Mar 31, 2025 | SCIENTECH RESEARCH LLC | 0% | 0 | - | -15.86K | -100.00% |
| Mar 31, 2025 | 0% | 0 | - | -800 | -100.00% | |
| Mar 31, 2025 | WELLS FARGO & COMPANY/MN | 0% | 879 | 228 | 0 | 0 |
| Mar 31, 2025 | CITADEL ADVISORS LLC | 0% | 100 | 26 | -15.1K | -99.34% |
| Mar 31, 2025 | MACQUARIE GROUP LTD | 3.02% | 557.44K | 144.49M | -1.12K | -0.20% |
| Mar 31, 2025 | BOOTHBAY FUND MANAGEMENT, LLC | 0.56% | 104.29K | 27.03K | 0 | 0 |
| Mar 31, 2025 | CONSOLIDATED PORTFOLIO REVIEW CORP | 0.29% | 53.74K | 13.93K | 0 | 0 |
| Mar 31, 2025 | XTX TOPCO LTD | 0.22% | 40.8K | 10.53K | 11.31K | +38.37% |
| Mar 31, 2025 | UBS GROUP AG | 0.17% | 31.39K | 8.13K | -140.96K | -81.79% |
| Mar 31, 2025 | MORGAN STANLEY | 0.1% | 18.46K | 4.79K | 299 | +1.65% |
| Mar 31, 2024 | FNY INVESTMENT ADVISERS, LLC | 0.15% | 20K | 33K | 20K | +100.00% |
| Mar 31, 2024 | NATIONAL BANK OF CANADA /FI/ | 0.02% | 3.3K | 3.86K | 0 | 0 |
| Mar 31, 2024 | UBS GROUP AG | 0.01% | 1.39K | 2.35K | -3.98K | -74.16% |
| Mar 31, 2024 | ROYAL BANK OF CANADA | 0.01% | 1K | 2K | 0 | 0 |
| Mar 31, 2024 | ORION CAPITAL MANAGEMENT LLC | 0.01% | 1K | 1.69K | 0 | 0 |
| Mar 31, 2024 | MAK CAPITAL ONE LLC | 12.75% | 1.7M | 2.87M | 0 | 0 |
| Mar 31, 2024 | RENAISSANCE TECHNOLOGIES LLC | 0.13% | 17.95K | 30K | -7.35K | -29.05% |
| Mar 31, 2024 | MORGAN STANLEY | 0.11% | 14.78K | 24.98K | 11.64K | +370.68% |
| Mar 31, 2024 | CRESCENT GROVE ADVISORS, LLC | 0.09% | 12.5K | 21.13K | 12.5K | +100.00% |
| Mar 31, 2024 | CITADEL ADVISORS LLC | 0.03% | 4K | 6.76K | 4K | +100.00% |
| Mar 31, 2024 | ADVISOR GROUP HOLDINGS, INC. | 0.03% | 3.69K | 6.23K | 0 | 0 |
| Mar 31, 2024 | WETZEL INVESTMENT ADVISORS, INC. | 0% | 500 | 655 | 0 | 0 |
| Mar 31, 2024 | QUBE RESEARCH & TECHNOLOGIES LTD | 0% | 300 | 507 | 300 | +100.00% |
| Mar 31, 2024 | CIBC PRIVATE WEALTH GROUP, LLC | 0% | 225 | 367 | 225 | +100.00% |
| Mar 31, 2024 | BANK OF AMERICA CORP /DE/ | 0% | 1 | 2 | 0 | 0 |
| Mar 31, 2024 | GOLDMAN SACHS GROUP INC | 0% | 0 | - | -17.99K | -100.00% |
| Mar 31, 2024 | WOLVERINE ASSET MANAGEMENT LLC | 0% | 0 | - | -474 | -100.00% |
| Mar 31, 2024 | TEILINGER CAPITAL LTD. | 0% | 0 | - | -725K | -100.00% |
| Mar 31, 2024 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.28% | 37.6K | 63.54K | -2.1K | -5.29% |
| Mar 31, 2024 | PREMIER FUND MANAGERS LTD | 0.56% | 75K | 127K | 0 | 0 |
| Mar 31, 2024 | SIMPLEX TRADING, LLC | 0.25% | 33.95K | 57K | 12.49K | +58.20% |
| Mar 31, 2024 | WELLS FARGO & COMPANY/MN | 0.03% | 3.38K | 5.71K | 0 | 0 |
| Mar 31, 2024 | XTX TOPCO LTD | 0.15% | 19.76K | 33.4K | 741 | +3.90% |
| Mar 31, 2024 | WOLVERINE TRADING, LLC | 0.1% | 13.6K | 22.98K | 13.6K | +100.00% |
| Mar 31, 2024 | CITIGROUP INC | 0.03% | 4.27K | 7.22K | 0 | 0 |
| Dec 31, 2023 | WOLFF WIESE MAGANA LLC | 0% | 0 | - | -1K | -100.00% |
| Dec 31, 2023 | BAYSTATE WEALTH MANAGEMENT LLC | 0% | 0 | - | -1.28K | -100.00% |
| Dec 31, 2023 | BANK OF AMERICA CORP /DE/ | 0% | 1 | 1 | 0 | 0 |
| Dec 31, 2023 | WOLVERINE ASSET MANAGEMENT LLC | 0% | 474 | 530 | 474 | +100.00% |
| Dec 31, 2023 | 0% | 500 | 1K | 500 | +100.00% | |
| Dec 31, 2023 | ROYAL BANK OF CANADA | 0.01% | 1K | 1K | 0 | 0 |
| Dec 31, 2023 | ORION CAPITAL MANAGEMENT LLC | 0.01% | 1K | 1.12K | 0 | 0 |
| Dec 31, 2023 | MORGAN STANLEY | 0.02% | 3.14K | 3.52K | -82 | -2.54% |
| Dec 31, 2023 | NATIONAL BANK OF CANADA /FI/ | 0.02% | 3.3K | 3.4K | 3.3K | +100.00% |
| Dec 31, 2023 | WELLS FARGO & COMPANY/MN | 0.03% | 3.38K | 3.78K | 0 | 0 |
| Dec 31, 2023 | ADVISOR GROUP HOLDINGS, INC. | 0.03% | 3.69K | 4.26K | 0 | 0 |
| Dec 31, 2023 | CITIGROUP INC | 0.03% | 4.27K | 4.79K | 0 | 0 |
| Dec 31, 2023 | UBS GROUP AG | 0.04% | 5.37K | 6.02K | 1.43K | +36.38% |
| Dec 31, 2023 | GOLDMAN SACHS GROUP INC | 0.14% | 17.99K | 20.15K | 17.99K | +100.00% |
| Dec 31, 2023 | XTX TOPCO LTD | 0.14% | 19.02K | 21.3K | 19.02K | +100.00% |
| Dec 31, 2023 | SIMPLEX TRADING, LLC | 0.16% | 21.46K | 24K | 21.46K | +100.00% |
| Dec 31, 2023 | RENAISSANCE TECHNOLOGIES LLC | 0.19% | 25.3K | 28K | 400 | +1.61% |
| Dec 31, 2023 | CITADEL ADVISORS LLC | 0% | 0 | - | -4.65K | -100.00% |
| Dec 31, 2023 | PREMIER FUND MANAGERS LTD | 0.56% | 75K | 84K | 0 | 0 |
| Dec 31, 2023 | TEILINGER CAPITAL LTD. | 5.44% | 725K | 812K | 0 | 0 |
| Dec 31, 2023 | MAK CAPITAL ONE LLC | 12.75% | 1.7M | 1.9M | -300K | -15.00% |