Fusion Fuel Green PLC - Class A Ordinary Shares, $0.0035 nominal value per share (HTOO)

Q: What does CUSIP G3R25D209 represent in this 13F holders report?

CUSIP G3R25D209 is the security identifier for HTOO - Fusion Fuel Green PLC - Class A Ordinary Shares, $0.0035 nominal value per share used to aggregate holder disclosures.

Q: How many institutions held HTOO - Fusion Fuel Green PLC - Class A Ordinary Shares, $0.0035 nominal value per share in Q1 2026?

7 institutional investors reported HTOO - Fusion Fuel Green PLC - Class A Ordinary Shares, $0.0035 nominal value per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: G3R25D209

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Class A Ordinary Shares, $0.0035 nominal value per share
Total 13F shares: 4,861
Total 13F value: $13,610
Share change: +799
SEC-reported price per share: $2.80
Number of holders: 7
Value change: +$2,229
Number of buys: 1
Number of sells: 1
Shares outstanding: 3,508,699

Security key

G3R25D209

Report period

Q1 2026

Institutions

Top holders

HTOO full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 Fusion Fuel Green PLC SEC filings Fusion Fuel Green PLC company facts Fusion Fuel Green PLC 13D/G history

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G3R25D209

Newer quarter: Q2 2026 Previous quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of HTOO - Fusion Fuel Green PLC - Class A Ordinary Shares, $0.0035 nominal value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Frederico Figueira de Chaves

Disclosed value leader

Lantern Management Fund LP

Comparable rows

15/15

Latest evidence

31 Mar 2026

13D/G 3/4/5 13F Lead comparable stake: 17% 13D/G row: Frederico Figueira de Chaves Showing 1-6 of 15 holder rows.

Quick read

Frederico Figueira de Chaves leads the comparable SEC ownership view at 17%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Frederico Figueira de Chaves's linked filing trail.

Comparable ownership Top 5

Frederico Figueira de Chaves 17%

John-Paul Backwell 17%

Lantern Management Fund LP 10%

Lipschitz Gregory 10%

Roxy Capital Corp 10%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Frederico Figueira de Chaves	13D/G 3/4/5 Interim CFO, Director 13D/G 3/4/5	17%	$1,694,463 418,386 shares	$0	26 Nov 2025
John-Paul Backwell	13D/G 13D/G	17%	$1,620,000 400,000 shares	$0	26 Nov 2025
Lantern Management Fund LP	13D/G 13D/G	10%	$6,524,456 1,749,184 shares	$0	04 Jan 2026
Lipschitz Gregory	13D/G Bower Four Capital Corp. 13D/G	10%	$995,474 350,519 shares	+$599,782	31 Mar 2026
Roxy Capital Corp	13D/G 13D/G	10%	$976,134 343,709 shares	+$406,197	31 Mar 2026
Ilustrato Pictures International Inc.	3/4/5 10%+ Owner 3/4/5	0.04%	$3,755,000 1,502 shares	—	03 Oct 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

4,861

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

-2

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend