DENISON MINES CORP

Ticker: DNN CUSIP: 248356107 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2025

Shares 373,222 Value ($000) $679 Avg Close $1.52 Range $1.08 - $1.90

Q1 2025

Shares 179,831 Value ($000) $234 Avg Close $1.67 Range $1.27 - $2.19

Q3 2024

Shares 701,353 Value ($000) $1,283 Avg Close $1.76 Range $1.40 - $2.30

Q2 2024

Shares 115,710 Value ($000) $230 Avg Close $2.12 Range $1.94 - $2.47

Q1 2024

Shares 372,657 Value ($000) $727 Avg Close $1.90 Range $1.63 - $2.15

Q4 2023

Shares 725,413 Value ($000) $1,284 Avg Close $1.67 Range $1.42 - $1.89

Q3 2023

Shares 722,703 Value ($000) $1,192 Avg Close $1.38 Range $1.15 - $1.79

Q2 2023

Shares 629,898 Value ($000) $787 Avg Close $1.11 Range $0.98 - $1.31

Q1 2023

Shares 765,178 Value ($000) $834 Avg Close $1.24 Range $0.92 - $1.53

Q4 2022

Shares 2,078,463 Value ($000) $2,390 Avg Close $1.18 Range $1.06 - $1.33

Q3 2022

Shares 3,437,609 Value ($000) $4,091 Avg Close $1.18 Range $0.91 - $1.52

Q2 2022

Shares 2,652,167 Value ($000) $2,581 Avg Close $1.28 Range $0.95 - $1.83

Q1 2022

Shares 2,320,741 Value ($000) $3,713 Avg Close $1.41 Range $1.06 - $1.82

Q4 2021

Shares 2,303,911 Value ($000) $3,156 Avg Close $1.64 Range $1.27 - $2.14

Q3 2021

Shares 2,634,992 Value ($000) $3,873 Avg Close $1.21 Range $0.92 - $1.80

Q2 2021

Shares 1,106,960 Value ($000) $1,317 Avg Close $1.20 Range $0.93 - $1.50

Q1 2021

Shares 940,836 Value ($000) $1,026 Avg Close $0.96 Range $0.62 - $1.81

Q4 2020

Shares 2,602 Value ($000) $2 Avg Close $0.43 Range $0.30 - $0.77

Q1 2020

Shares 3 Value ($000) $0 Avg Close $0.34 Range $0.19 - $0.42

Q4 2019

Shares 3 Value ($000) $0 Avg Close $0.44 Range $0.38 - $0.49

Q3 2019

Shares 3 Value ($000) $0 Avg Close $0.47 Range $0.38 - $0.55

Q2 2019

Shares 3 Value ($000) $0 Avg Close $0.52 Range $0.49 - $0.59

Q1 2019

Shares 3 Value ($000) $0 Avg Close $0.52 Range $0.46 - $0.56

Q4 2018

Shares 3 Value ($000) $0 Avg Close $0.57 Range $0.44 - $0.69

Q3 2018

Shares 3 Value ($000) $0 Avg Close $0.51 Range $0.45 - $0.69

Q2 2018

Shares 3 Value ($000) $0 Avg Close $0.49 Range $0.43 - $0.58

Q1 2018

Shares 3 Value ($000) $0 Avg Close $0.50 Range $0.43 - $0.64

Q4 2017

Shares 20 Value ($000) $0 Avg Close $0.49 Range $0.38 - $0.62

Q3 2017

Shares 20 Value ($000) $0 Avg Close $0.47 Range $0.42 - $0.53

Q2 2017

Shares 241 Value ($000) $0 Avg Close $0.51 Range $0.41 - $0.66

Q1 2017

Shares 241 Value ($000) $0 Avg Close $0.69 Range $0.52 - $0.84

Q4 2016

Shares 241 Value ($000) $0 Avg Close $0.46 Range $0.37 - $0.57

Q3 2016

Shares 241 Value ($000) $0 Avg Close $0.52 Range $0.46 - $0.58

Q2 2016

Shares 241 Value ($000) $0 Avg Close $0.55 Range $0.47 - $0.67

Q1 2016

Shares 141 Value ($000) $0 Avg Close $0.46 Range $0.36 - $0.59

Q4 2015

Shares 141 Value ($000) $0 Avg Close $0.42 Range $0.35 - $0.56

Q3 2015

Shares 141 Value ($000) $0 Avg Close $0.51 Range $0.36 - $0.74

Q2 2015

Shares 4,041 Value ($000) $3 Avg Close $0.84 Range $0.71 - $0.99

Q1 2015

Shares 10,081 Value ($000) $8 Avg Close $0.88 Range $0.77 - $1.00

Q4 2014

Shares 28,981 Value ($000) $27 Avg Close $1.02 Range $0.90 - $1.23

Q3 2014

Shares 65,765 Value ($000) $75 Avg Close $1.28 Range $1.13 - $1.41

Q2 2014

Shares 91,144 Value ($000) $112 Avg Close $1.31 Range $1.14 - $1.63

Q1 2014

Shares 48,443 Value ($000) $71 Avg Close $1.41 Range $1.16 - $1.76

Q4 2013

Shares 28,856 Value ($000) $35 Avg Close $1.10 Range $0.97 - $1.26

Q3 2013

Shares 31,641 Value ($000) $34 Avg Close $1.20 Range $1.07 - $1.41

Q2 2013

Shares 29,804 Value ($000) $35 Avg Close $1.23 Range $1.15 - $1.40

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	373,222	$679	$1.52	$1.08 - $1.90
Q1 2025	179,831	$234	$1.67	$1.27 - $2.19
Q3 2024	701,353	$1,283	$1.76	$1.40 - $2.30
Q2 2024	115,710	$230	$2.12	$1.94 - $2.47
Q1 2024	372,657	$727	$1.90	$1.63 - $2.15
Q4 2023	725,413	$1,284	$1.67	$1.42 - $1.89
Q3 2023	722,703	$1,192	$1.38	$1.15 - $1.79
Q2 2023	629,898	$787	$1.11	$0.98 - $1.31
Q1 2023	765,178	$834	$1.24	$0.92 - $1.53
Q4 2022	2,078,463	$2,390	$1.18	$1.06 - $1.33
Q3 2022	3,437,609	$4,091	$1.18	$0.91 - $1.52
Q2 2022	2,652,167	$2,581	$1.28	$0.95 - $1.83
Q1 2022	2,320,741	$3,713	$1.41	$1.06 - $1.82
Q4 2021	2,303,911	$3,156	$1.64	$1.27 - $2.14
Q3 2021	2,634,992	$3,873	$1.21	$0.92 - $1.80
Q2 2021	1,106,960	$1,317	$1.20	$0.93 - $1.50
Q1 2021	940,836	$1,026	$0.96	$0.62 - $1.81
Q4 2020	2,602	$2	$0.43	$0.30 - $0.77
Q1 2020	3	$0	$0.34	$0.19 - $0.42
Q4 2019	3	$0	$0.44	$0.38 - $0.49
Q3 2019	3	$0	$0.47	$0.38 - $0.55
Q2 2019	3	$0	$0.52	$0.49 - $0.59
Q1 2019	3	$0	$0.52	$0.46 - $0.56
Q4 2018	3	$0	$0.57	$0.44 - $0.69
Q3 2018	3	$0	$0.51	$0.45 - $0.69
Q2 2018	3	$0	$0.49	$0.43 - $0.58
Q1 2018	3	$0	$0.50	$0.43 - $0.64
Q4 2017	20	$0	$0.49	$0.38 - $0.62
Q3 2017	20	$0	$0.47	$0.42 - $0.53
Q2 2017	241	$0	$0.51	$0.41 - $0.66
Q1 2017	241	$0	$0.69	$0.52 - $0.84
Q4 2016	241	$0	$0.46	$0.37 - $0.57
Q3 2016	241	$0	$0.52	$0.46 - $0.58
Q2 2016	241	$0	$0.55	$0.47 - $0.67
Q1 2016	141	$0	$0.46	$0.36 - $0.59
Q4 2015	141	$0	$0.42	$0.35 - $0.56
Q3 2015	141	$0	$0.51	$0.36 - $0.74
Q2 2015	4,041	$3	$0.84	$0.71 - $0.99
Q1 2015	10,081	$8	$0.88	$0.77 - $1.00
Q4 2014	28,981	$27	$1.02	$0.90 - $1.23
Q3 2014	65,765	$75	$1.28	$1.13 - $1.41
Q2 2014	91,144	$112	$1.31	$1.14 - $1.63
Q1 2014	48,443	$71	$1.41	$1.16 - $1.76
Q4 2013	28,856	$35	$1.10	$0.97 - $1.26
Q3 2013	31,641	$34	$1.20	$1.07 - $1.41
Q2 2013	29,804	$35	$1.23	$1.15 - $1.40