Renaissance Technologies
FTEK icon

Renaissance Technologies’s Fuel Tech FTEK Stock Holding History

Renaissance Technologies’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 		$1.72M Buy
1,407,806
+259,811
+23% +$360K ﹤0.01% 1980
2025
Q4 		$1.79M Buy
1,147,995
+249,089
+28% +$548K ﹤0.01% 1932
2025
Q3 		$2.7M Buy
898,906
+46,500
+5% +$135K ﹤0.01% 1878
2025
Q2 		$2.15M Sell
852,406
-104,300
-11% -$149K ﹤0.01% 2064
2025
Q1 		$1M Sell
956,706
-82,903
-8% -$82.3K ﹤0.01% 2430
2024
Q4 		$1.09M Buy
1,039,609
+138,169
+15% +$143K ﹤0.01% 2450
2024
Q3 		$947K Buy
901,440
+26,822
+3% +$27.5K ﹤0.01% 2478
2024
Q2 		$936K Buy
874,618
+44,512
+5% +$51.6K ﹤0.01% 2359
2024
Q1 		$1M Sell
830,106
-30,119
-4% -$33.1K ﹤0.01% 2479
2023
Q4 		$903K Buy
860,225
+53,909
+7% +$57K ﹤0.01% 2475
2023
Q3 		$951K Sell
806,316
-3,172
-0.4% -$3.77K ﹤0.01% 2347
2023
Q2 		$1.07M Sell
809,488
-55,456
-6% -$72.7K ﹤0.01% 2428
2023
Q1 		$1.11M Buy
864,944
+42,357
+5% +$60.6K ﹤0.01% 2416
2022
Q4 		$1.05M Buy
822,587
+46,171
+6% +$59.2K ﹤0.01% 2506
2022
Q3 		$908K Buy
776,416
+7,100
+0.9% +$9.21K ﹤0.01% 2557
2022
Q2 		$954K Sell
769,316
-71,700
-9% -$93.1K ﹤0.01% 2752
2022
Q1 		$1.22M Buy
841,016
+33,691
+4% +$43.1K ﹤0.01% 2597
2021
Q4 		$1.13M Sell
807,325
-49,540
-6% -$87.3K ﹤0.01% 2554
2021
Q3 		$1.49M Sell
856,865
-632,600
-42% -$1.2M ﹤0.01% 2313
2021
Q2 		$3.5M Buy
1,489,465
+178,800
+14% +$416K ﹤0.01% 1859
2021
Q1 		$4.12M Sell
1,310,665
-156,100
-11% -$687K 0.01% 1773
2020
Q4 		$5.69M Buy
1,466,765
+218,677
+18% +$497K 0.01% 1506
2020
Q3 		$1.05M Buy
1,248,088
+41,450
+3% +$35.2K ﹤0.01% 2494
2020
Q2 		$1.01M Buy
1,206,638
+15,100
+1% +$10.5K ﹤0.01% 2528
2020
Q1 		$477K Buy
1,191,538
+5,300
+0.4% +$4.07K ﹤0.01% 2779
2019
Q4 		$1.13M Buy
1,186,238
+52,987
+5% +$51K ﹤0.01% 2573
2019
Q3 		$1.12M Buy
1,133,251
+32,113
+3% +$34.3K ﹤0.01% 2552
2019
Q2 		$1.54M Buy
1,101,138
+123,892
+13% +$243K ﹤0.01% 2479
2019
Q1 		$1.63M Buy
977,246
+132,609
+16% +$174K ﹤0.01% 2419
2018
Q4 		$1M Sell
844,637
-35,907
-4% -$45.3K ﹤0.01% 2571
2018
Q3 		$1.15M Buy
880,544
+17,644
+2% +$19.4K ﹤0.01% 2550
2018
Q2 		$932K Buy
862,900
+73,000
+9% +$90K ﹤0.01% 2627
2018
Q1 		$948K Buy
789,900
+50,900
+7% +$59.4K ﹤0.01% 2681
2017
Q4 		$828K Buy
739,000
+97,500
+15% +$98.5K ﹤0.01% 2735
2017
Q3 		$654K Buy
641,500
+40,226
+7% +$35.6K ﹤0.01% 2719
2017
Q2 		$475K Buy
601,274
+52,074
+9% +$45.5K ﹤0.01% 2779
2017
Q1 		$560K Buy
549,200
+40,796
+8% +$47.8K ﹤0.01% 2738
2016
Q4 		$585K Buy
508,404
+59,331
+13% +$75.3K ﹤0.01% 2727
2016
Q3 		$629K Buy
449,073
+35,892
+9% +$54.2K ﹤0.01% 2746
2016
Q2 		$612K Buy
413,181
+39,807
+11% +$63.9K ﹤0.01% 2728
2016
Q1 		$653K Buy
373,374
+35,900
+11% +$61.5K ﹤0.01% 2754
2015
Q4 		$638K Buy
337,474
+60,829
+22% +$126K ﹤0.01% 2646
2015
Q3 		$528K Buy
276,645
+61,800
+29% +$125K ﹤0.01% 2612
2015
Q2 		$471K Buy
214,845
+155,445
+262% +$408K ﹤0.01% 2741
2015
Q1 		$186K Buy
+59,400
New +$195K ﹤0.01% 2901
2014
Q1 		– Sell
-153,790
Closed -$1.09M – 2898
2013
Q4 		$1.09M Buy
153,790
+102,916
+202% +$627K ﹤0.01% 2041
2013
Q3 		$222K Sell
50,874
-61,443
-55% -$244K ﹤0.01% 2545
2013
Q2 		$430K Buy
+112,317
New +$439K ﹤0.01% 2291

Other funds holding FTEK

GWI
Grace & White Inc Ny, New York $632M AUM 34.34% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
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
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
US Bancorp
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
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
BCM
Beartown Capital Management Huntington Woods, Michigan $209M AUM

Renaissance Technologies's FTEK Position: Q1 2026 in Review

Renaissance Technologies increased its Fuel Tech (FTEK) stake by 23% in Q1 2026, buying an estimated $360K and bringing the position to 1,407,806 shares worth $1.72M. The position accounts for ﹤0.01% of the portfolio, ranked #1980.

Renaissance Technologies first reported a position in FTEK in Q2 2013 and has held it in 48 quarters since. The position peaked at $5.69M in Q4 2020. 46 funds tracked by Wall St. Rank hold FTEK as of Q1 2026.

  • Renaissance Technologies held 1,407,806 shares of Fuel Tech worth $1.72M as of Q1 2026.
  • Renaissance Technologies bought 259,811 Fuel Tech shares in Q1 2026, an estimated $360K.
  • Fuel Tech made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1980 holding.
  • Renaissance Technologies first reported a position in Fuel Tech in Q2 2013 and has held it in 48 quarters since.
  • Renaissance Technologies's Fuel Tech position peaked at $5.69M in Q4 2020.
  • 46 funds tracked by Wall St. Rank held Fuel Tech as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.