Citadel Advisors’s Fusion Fuel Green HTOO Stock Holding History

Citadel Advisors’s Portfolio HTOO Stock Details HTOO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-3	Closed	-$26	–	13616
2025 Q1	$26	Sell	3 -431	-99%	-$6.52K	﹤0.01%	14353
2024 Q4	$8.56K	Buy	434 +183	+73%	+$3.32K	﹤0.01%	13678
2024 Q3	$4.51K	Sell	251 -175	-41%	-$4.36K	﹤0.01%	13559
2024 Q2	$13.1K	Buy	426 +312	+274%	+$13.3K	﹤0.01%	12954
2024 Q1	$6.76K	Buy	+114	New	+$5.5K	﹤0.01%	13649
2023 Q4	–	Sell	-129	Closed	-$4.13K	–	14706
2023 Q3	$4.13K	Sell	129 -188	-59%	-$11.9K	﹤0.01%	13516
2023 Q2	$28.4K	Buy	317 +63	+25%	+$6.44K	﹤0.01%	12411
2023 Q1	$21.4K	Buy	254 +145	+133%	+$18.1K	﹤0.01%	13022
2022 Q4	$16.8K	Buy	+109	New	+$17.1K	﹤0.01%	13268
2022 Q2	–	Sell	-320	Closed	-$97K	–	13388
2022 Q1	$97K	Sell	320 -49	-13%	-$12.4K	﹤0.01%	12311
2021 Q4	$107K	Buy	+369	New	+$145K	﹤0.01%	12653

Other funds holding HTOO

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return

AAS

Ameritas Advisory Services Lincoln, Nebraska $4.96B AUM 27.52% 1-Year Est. Return

CFD

Creative Financial Designs Kokomo, Indiana $2.1B AUM 23.1% 1-Year Est. Return

National Bank of Canada Montreal, Quebec, Canada $140B AUM 46.34% 1-Year Est. Return

AssetMark Inc Concord, California $58.2B AUM 22.78% 1-Year Est. Return

Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return

Group One Trading Chicago, Illinois $71.1B AUM 128.96% 1-Year Est. Return

Citadel Advisors's HTOO Position: Q2 2026 in Review

Citadel Advisors opened a new position in Fusion Fuel Green (HTOO) in Q2 2026: 17,682 shares worth $46.9K. The stake represents ﹤0.01% of the portfolio and ranks #13145 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in HTOO as recently as Q1 2025.

Citadel Advisors first reported a position in HTOO in Q1 2021 and has held it in 10 quarters since. The position peaked at $204K in Q2 2023. 10 funds tracked by Wall St. Rank hold HTOO as of Q2 2026.

Citadel Advisors held 17,682 shares of Fusion Fuel Green worth $46.9K as of Q2 2026.
Fusion Fuel Green was a new Citadel Advisors position in Q2 2026.
Fusion Fuel Green made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #13145 holding.
Citadel Advisors first reported a position in Fusion Fuel Green in Q1 2021 and has held it in 10 quarters since.
Citadel Advisors's Fusion Fuel Green position peaked at $204K in Q2 2023.
10 funds tracked by Wall St. Rank held Fusion Fuel Green as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.