HUDSON TECHNOLOGIES INC

Ticker: HDSN CUSIP: 444144109 Class: Common Stock

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 80,083 Value ($000) $549 Avg Close $7.88 Range $6.45 - $9.85

Q3 2025

Shares 114,386 Value ($000) $1,136 Avg Close $9.39 Range $7.98 - $10.52

Q2 2025

Shares 95,594 Value ($000) $776 Avg Close $6.86 Range $5.11 - $8.37

Q1 2025

Shares 210,768 Value ($000) $1,300 Avg Close $5.88 Range $5.29 - $6.35

Q4 2024

Shares 496,948 Value ($000) $2,773 Avg Close $6.59 Range $5.17 - $8.55

Q3 2024

Shares 271,932 Value ($000) $2,268 Avg Close $8.27 Range $6.94 - $9.28

Q2 2024

Shares 431,293 Value ($000) $3,791 Avg Close $9.69 Range $7.90 - $11.49

Q1 2024

Shares 298,692 Value ($000) $3,289 Avg Close $13.02 Range $10.79 - $15.24

Q4 2023

Shares 162,699 Value ($000) $2,195 Avg Close $12.91 Range $11.34 - $14.14

Q3 2023

Shares 231,308 Value ($000) $3,076 Avg Close $10.79 Range $8.52 - $13.75

Q2 2023

Shares 13,234 Value ($000) $127 Avg Close $8.69 Range $7.21 - $9.87

Q1 2023

Shares 959 Value ($000) $8 Avg Close $9.68 Range $7.57 - $11.63

Q4 2022

Shares 68,287 Value ($000) $691 Avg Close $9.77 Range $7.07 - $12.46

Q3 2022

Shares 115,221 Value ($000) $847 Avg Close $8.41 Range $6.62 - $11.16

Q2 2022

Shares 31,264 Value ($000) $234 Avg Close $8.25 Range $5.78 - $10.76

Q1 2022

Shares 26,491 Value ($000) $164 Avg Close $4.44 Range $3.11 - $6.54

Q4 2021

Shares 89,766 Value ($000) $398 Avg Close $3.88 Range $3.22 - $4.89

Q3 2021

Shares 17,103 Value ($000) $60 Avg Close $3.34 Range $2.70 - $4.10

Q2 2021

Shares 53,018 Value ($000) $180 Avg Close $2.41 Range $1.62 - $3.54

Q1 2021

Shares 28,648 Value ($000) $46 Avg Close $1.45 Range $1.02 - $2.08

Q4 2020

Shares 11,879 Value ($000) $13 Avg Close $1.20 Range $1.01 - $1.77

Q4 2019

Shares 15,947 Value ($000) $16 Avg Close $0.67 Range $0.50 - $1.03

Q4 2018

Shares 21,284 Value ($000) $19 Avg Close $1.10 Range $0.70 - $2.14

Q3 2018

Shares 28,663 Value ($000) $37 Avg Close $1.77 Range $1.22 - $2.39

Q2 2018

Shares 21,812 Value ($000) $44 Avg Close $3.24 Range $1.93 - $4.97

Q1 2017

Shares 16,376 Value ($000) $108 Avg Close $7.28 Range $6.02 - $8.28

Q4 2016

Shares 21,565 Value ($000) $173 Avg Close $7.06 Range $5.55 - $8.50

Q4 2014

Shares 8,462 Value ($000) $32 Avg Close $3.69 Range $2.86 - $4.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	80,083	$549	$7.88	$6.45 - $9.85
Q3 2025	114,386	$1,136	$9.39	$7.98 - $10.52
Q2 2025	95,594	$776	$6.86	$5.11 - $8.37
Q1 2025	210,768	$1,300	$5.88	$5.29 - $6.35
Q4 2024	496,948	$2,773	$6.59	$5.17 - $8.55
Q3 2024	271,932	$2,268	$8.27	$6.94 - $9.28
Q2 2024	431,293	$3,791	$9.69	$7.90 - $11.49
Q1 2024	298,692	$3,289	$13.02	$10.79 - $15.24
Q4 2023	162,699	$2,195	$12.91	$11.34 - $14.14
Q3 2023	231,308	$3,076	$10.79	$8.52 - $13.75
Q2 2023	13,234	$127	$8.69	$7.21 - $9.87
Q1 2023	959	$8	$9.68	$7.57 - $11.63
Q4 2022	68,287	$691	$9.77	$7.07 - $12.46
Q3 2022	115,221	$847	$8.41	$6.62 - $11.16
Q2 2022	31,264	$234	$8.25	$5.78 - $10.76
Q1 2022	26,491	$164	$4.44	$3.11 - $6.54
Q4 2021	89,766	$398	$3.88	$3.22 - $4.89
Q3 2021	17,103	$60	$3.34	$2.70 - $4.10
Q2 2021	53,018	$180	$2.41	$1.62 - $3.54
Q1 2021	28,648	$46	$1.45	$1.02 - $2.08
Q4 2020	11,879	$13	$1.20	$1.01 - $1.77
Q4 2019	15,947	$16	$0.67	$0.50 - $1.03
Q4 2018	21,284	$19	$1.10	$0.70 - $2.14
Q3 2018	28,663	$37	$1.77	$1.22 - $2.39
Q2 2018	21,812	$44	$3.24	$1.93 - $4.97
Q1 2017	16,376	$108	$7.28	$6.02 - $8.28
Q4 2016	21,565	$173	$7.06	$5.55 - $8.50
Q4 2014	8,462	$32	$3.69	$2.86 - $4.80