FUEL TECH INC

Ticker: FTEK CUSIP: 359523107 Class: COM

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,126,003 Value ($000) $1,757 Avg Close $2.20 Range $1.41 - $3.45

Q3 2025

Shares 1,013,864 Value ($000) $3,042 Avg Close $2.90 Range $2.23 - $3.65

Q2 2025

Shares 940,969 Value ($000) $2,371 Avg Close $1.43 Range $0.91 - $2.85

Q1 2025

Shares 940,969 Value ($000) $988 Avg Close $0.99 Range $0.87 - $1.15

Q4 2024

Shares 806,924 Value ($000) $847 Avg Close $1.03 Range $0.98 - $1.15

Q3 2024

Shares 806,924 Value ($000) $847 Avg Close $1.02 Range $0.91 - $1.13

Q2 2024

Shares 806,924 Value ($000) $863 Avg Close $1.16 Range $1.02 - $1.34

Q1 2024

Shares 794,738 Value ($000) $962 Avg Close $1.10 Range $1.01 - $1.25

Q4 2023

Shares 778,196 Value ($000) $817 Avg Close $1.06 Range $0.96 - $1.17

Q3 2023

Shares 772,203 Value ($000) $911 Avg Close $1.19 Range $0.99 - $1.35

Q2 2023

Shares 776,620 Value ($000) $1,029 Avg Close $1.31 Range $1.21 - $1.83

Q1 2023

Shares 776,620 Value ($000) $994 Avg Close $1.43 Range $1.20 - $1.75

Q4 2022

Shares 776,620 Value ($000) $990 Avg Close $1.28 Range $1.14 - $1.66

Q3 2022

Shares 776,208 Value ($000) $908 Avg Close $1.30 Range $1.13 - $1.56

Q2 2022

Shares 824,923 Value ($000) $1,022 Avg Close $1.30 Range $1.02 - $1.54

Q1 2022

Shares 824,923 Value ($000) $1,196 Avg Close $1.28 Range $1.04 - $1.54

Q4 2021

Shares 860,669 Value ($000) $1,205 Avg Close $1.76 Range $1.35 - $2.50

Q3 2021

Shares 880,119 Value ($000) $1,532 Avg Close $1.89 Range $1.66 - $2.50

Q2 2021

Shares 894,086 Value ($000) $2,100 Avg Close $2.32 Range $1.65 - $3.23

Q1 2021

Shares 785,258 Value ($000) $2,466 Avg Close $4.40 Range $2.65 - $6.65

Q4 2020

Shares 785,258 Value ($000) $3,047 Avg Close $2.27 Range $0.69 - $7.04

Q3 2020

Shares 417,795 Value ($000) $352 Avg Close $0.85 Range $0.60 - $1.40

Q2 2020

Shares 417,795 Value ($000) $351 Avg Close $0.69 Range $0.35 - $1.49

Q1 2020

Shares 462,701 Value ($000) $186 Avg Close $0.77 Range $0.30 - $1.00

Q4 2019

Shares 462,701 Value ($000) $431 Avg Close $0.96 Range $0.82 - $1.18

Q3 2019

Shares 462,701 Value ($000) $461 Avg Close $1.07 Range $0.80 - $1.45

Q2 2019

Shares 497,934 Value ($000) $697 Avg Close $1.96 Range $1.17 - $3.06

Q1 2019

Shares 442,719 Value ($000) $739 Avg Close $1.31 Range $1.15 - $1.97

Q4 2018

Shares 434,921 Value ($000) $518 Avg Close $1.26 Range $1.13 - $1.61

Q3 2018

Shares 416,283 Value ($000) $541 Avg Close $1.10 Range $0.96 - $1.45

Q2 2018

Shares 417,283 Value ($000) $451 Avg Close $1.23 Range $0.96 - $1.45

Q1 2018

Shares 470,471 Value ($000) $565 Avg Close $1.17 Range $0.97 - $1.83

Q4 2017

Shares 426,234 Value ($000) $478 Avg Close $1.01 Range $0.90 - $1.23

Q3 2017

Shares 412,518 Value ($000) $421 Avg Close $0.89 Range $0.70 - $1.19

Q2 2017

Shares 406,998 Value ($000) $342 Avg Close $0.87 Range $0.75 - $1.04

Q1 2017

Shares 452,641 Value ($000) $462 Avg Close $1.17 Range $1.01 - $1.31

Q4 2016

Shares 452,641 Value ($000) $521 Avg Close $1.27 Range $1.13 - $1.51

Q3 2016

Shares 491,513 Value ($000) $688 Avg Close $1.51 Range $1.31 - $1.80

Q2 2016

Shares 500,945 Value ($000) $741 Avg Close $1.60 Range $1.41 - $1.86

Q1 2016

Shares 501,045 Value ($000) $877 Avg Close $1.71 Range $1.50 - $2.05

Q4 2015

Shares 501,045 Value ($000) $947 Avg Close $2.07 Range $1.77 - $2.54

Q3 2015

Shares 498,645 Value ($000) $953 Avg Close $2.02 Range $1.76 - $2.42

Q2 2015

Shares 495,845 Value ($000) $1,086 Avg Close $2.62 Range $2.18 - $3.16

Q1 2015

Shares 494,583 Value ($000) $1,548 Avg Close $3.28 Range $3.00 - $3.86

Q4 2014

Shares 491,383 Value ($000) $1,882 Avg Close $3.99 Range $3.61 - $4.45

Q3 2014

Shares 484,383 Value ($000) $2,059 Avg Close $4.78 Range $4.10 - $5.68

Q2 2014

Shares 455,261 Value ($000) $2,568 Avg Close $5.62 Range $4.96 - $6.77

Q1 2014

Shares 431,939 Value ($000) $2,160 Avg Close $6.44 Range $4.90 - $8.50

Q4 2013

Shares 397,759 Value ($000) $2,820 Avg Close $6.09 Range $4.19 - $9.63

Q3 2013

Shares 436,283 Value ($000) $1,902 Avg Close $3.98 Range $3.63 - $4.78

Q2 2013

Shares 436,283 Value ($000) $1,671 Avg Close $3.91 Range $3.55 - $4.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,126,003	$1,757	$2.20	$1.41 - $3.45
Q3 2025	1,013,864	$3,042	$2.90	$2.23 - $3.65
Q2 2025	940,969	$2,371	$1.43	$0.91 - $2.85
Q1 2025	940,969	$988	$0.99	$0.87 - $1.15
Q4 2024	806,924	$847	$1.03	$0.98 - $1.15
Q3 2024	806,924	$847	$1.02	$0.91 - $1.13
Q2 2024	806,924	$863	$1.16	$1.02 - $1.34
Q1 2024	794,738	$962	$1.10	$1.01 - $1.25
Q4 2023	778,196	$817	$1.06	$0.96 - $1.17
Q3 2023	772,203	$911	$1.19	$0.99 - $1.35
Q2 2023	776,620	$1,029	$1.31	$1.21 - $1.83
Q1 2023	776,620	$994	$1.43	$1.20 - $1.75
Q4 2022	776,620	$990	$1.28	$1.14 - $1.66
Q3 2022	776,208	$908	$1.30	$1.13 - $1.56
Q2 2022	824,923	$1,022	$1.30	$1.02 - $1.54
Q1 2022	824,923	$1,196	$1.28	$1.04 - $1.54
Q4 2021	860,669	$1,205	$1.76	$1.35 - $2.50
Q3 2021	880,119	$1,532	$1.89	$1.66 - $2.50
Q2 2021	894,086	$2,100	$2.32	$1.65 - $3.23
Q1 2021	785,258	$2,466	$4.40	$2.65 - $6.65
Q4 2020	785,258	$3,047	$2.27	$0.69 - $7.04
Q3 2020	417,795	$352	$0.85	$0.60 - $1.40
Q2 2020	417,795	$351	$0.69	$0.35 - $1.49
Q1 2020	462,701	$186	$0.77	$0.30 - $1.00
Q4 2019	462,701	$431	$0.96	$0.82 - $1.18
Q3 2019	462,701	$461	$1.07	$0.80 - $1.45
Q2 2019	497,934	$697	$1.96	$1.17 - $3.06
Q1 2019	442,719	$739	$1.31	$1.15 - $1.97
Q4 2018	434,921	$518	$1.26	$1.13 - $1.61
Q3 2018	416,283	$541	$1.10	$0.96 - $1.45
Q2 2018	417,283	$451	$1.23	$0.96 - $1.45
Q1 2018	470,471	$565	$1.17	$0.97 - $1.83
Q4 2017	426,234	$478	$1.01	$0.90 - $1.23
Q3 2017	412,518	$421	$0.89	$0.70 - $1.19
Q2 2017	406,998	$342	$0.87	$0.75 - $1.04
Q1 2017	452,641	$462	$1.17	$1.01 - $1.31
Q4 2016	452,641	$521	$1.27	$1.13 - $1.51
Q3 2016	491,513	$688	$1.51	$1.31 - $1.80
Q2 2016	500,945	$741	$1.60	$1.41 - $1.86
Q1 2016	501,045	$877	$1.71	$1.50 - $2.05
Q4 2015	501,045	$947	$2.07	$1.77 - $2.54
Q3 2015	498,645	$953	$2.02	$1.76 - $2.42
Q2 2015	495,845	$1,086	$2.62	$2.18 - $3.16
Q1 2015	494,583	$1,548	$3.28	$3.00 - $3.86
Q4 2014	491,383	$1,882	$3.99	$3.61 - $4.45
Q3 2014	484,383	$2,059	$4.78	$4.10 - $5.68
Q2 2014	455,261	$2,568	$5.62	$4.96 - $6.77
Q1 2014	431,939	$2,160	$6.44	$4.90 - $8.50
Q4 2013	397,759	$2,820	$6.09	$4.19 - $9.63
Q3 2013	436,283	$1,902	$3.98	$3.63 - $4.78
Q2 2013	436,283	$1,671	$3.91	$3.55 - $4.42