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HTOO · Fusion Fuel Green PLC

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$2.38 -0.03 (-1.24%) At close · Aug 14
Market Cap
$16.77M
Shares
7.05M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 11
Total Value: $57,633
Total Shares: 21,751

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 11 13F filers · Δ vs Mar 31, 2026
Top Holder
81.3%
Sep 2023 → Jun 2026 · range 29.0% – 81.3%
+5.1 pts
Top 5
99.9%
Sep 2023 → Jun 2026 · range 80.6% – 99.9%
+0.1 pts
Top 10
100.0%
Sep 2023 → Jun 2026 · range 97.2% – 100.0%
−0.0 pts
HHI
6,811
Sep 2023 → Jun 2026 · range 1,660 – 6,811
Highly concentrated+568

Quarterly Activity

vs Mar 31, 2026
New
4
Increased
0
Decreased
1
Sold Out
3
Unchanged
6
Holder count: +1
Institutional value: -97.1%
Shares held: -96.9%

Top Buyers

vs Mar 31, 2026
No qualifying movers this quarter.

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 11 of 11
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1819794 CUSIP G3R25D209 13F (30d) 11 filings 11 filers Visit website Investor relations