XTX Topco’s Fuel Tech FTEK Stock Holding History

XTX Topco’s Portfolio FTEK Stock Details FTEK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$144K	Sell	118,247 -60,056	-34%	-$83.3K	﹤0.01%	2975
2025 Q4	$278K	Buy	178,303 +122,291	+218%	+$269K	0.01%	2141
2025 Q3	$168K	Buy	+56,012	New	+$162K	0.01%	1901
2025 Q2	–	Sell	-16,646	Closed	-$17.5K	–	2628
2025 Q1	$17.5K	Sell	16,646 -9,485	-36%	-$9.42K	﹤0.01%	2170
2024 Q4	$27.4K	Buy	+26,131	New	+$27K	﹤0.01%	1992
2024 Q1	–	Sell	-17,366	Closed	-$18.2K	–	1998
2023 Q4	$18.2K	Sell	17,366 -847	-5%	-$896	﹤0.01%	1372
2023 Q3	$21.5K	Buy	18,213 +1,465	+9%	+$1.74K	﹤0.01%	1369
2023 Q2	$22.2K	Buy	+16,748	New	+$21.9K	﹤0.01%	1313
2022 Q1	–	Sell	-26,450	Closed	-$37K	–	770
2021 Q4	$37K	Buy	+26,450	New	+$46.6K	0.02%	593

Other funds holding FTEK

GWI

Grace & White Inc Ny, New York $632M AUM 34.34% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

PLC

Peapod Lane Capital Bedford Hills, New York $148M AUM 89.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

US Bancorp Minneapolis, Minnesota $82.4B AUM 19.69% 1-Year Est. Return

GCP

GSA Capital Partners London, United Kingdom $1.61B AUM 28.28% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

XTX Topco's FTEK Position: Q1 2026 in Review

XTX Topco reduced its Fuel Tech (FTEK) stake by 34% in Q1 2026, selling an estimated $83.3K and leaving 118,247 shares worth $144K. The position accounts for ﹤0.01% of the portfolio, ranked #2975.

XTX Topco first reported a position in FTEK in Q4 2021 and has held it in 9 quarters since. The position peaked at $278K in Q4 2025. 46 funds tracked by Wall St. Rank hold FTEK as of Q1 2026.

XTX Topco held 118,247 shares of Fuel Tech worth $144K as of Q1 2026.
XTX Topco sold 60,056 Fuel Tech shares in Q1 2026, an estimated $83.3K.
Fuel Tech made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #2975 holding.
XTX Topco first reported a position in Fuel Tech in Q4 2021 and has held it in 9 quarters since.
XTX Topco's Fuel Tech position peaked at $278K in Q4 2025.
46 funds tracked by Wall St. Rank held Fuel Tech as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.