STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2025

Shares 18,142 Value ($000) $2,530 Avg Close $130.39 Range $119.11 - $140.98

Q2 2025

Shares 25,992 Value ($000) $3,327 Avg Close $126.36 Range $102.11 - $140.95

Q1 2025

Shares 14,988 Value ($000) $1,875 Avg Close $124.96 Range $109.33 - $137.65

Q4 2024

Shares 28,491 Value ($000) $3,250 Avg Close $130.47 Range $111.65 - $152.72

Q3 2024

Shares 66,300 Value ($000) $8,359 Avg Close $118.85 Range $102.31 - $134.27

Q2 2024

Shares 30,920 Value ($000) $4,004 Avg Close $130.12 Range $115.35 - $147.49

Q1 2024

Shares 50,689 Value ($000) $7,514 Avg Close $122.14 Range $106.53 - $144.95

Q4 2023

Shares 34,009 Value ($000) $4,016 Avg Close $107.90 Range $95.11 - $124.46

Q3 2023

Shares 5,440 Value ($000) $583 Avg Close $100.40 Range $92.11 - $107.71

Q1 2023

Shares 4,076 Value ($000) $461 Avg Close $111.23 Range $90.76 - $130.54

Q4 2022

Shares 3,462 Value ($000) $338 Avg Close $91.75 Range $68.70 - $107.85

Q3 2022

Shares 25,226 Value ($000) $1,790 Avg Close $71.84 Range $59.25 - $84.09

Q2 2022

Shares 43,997 Value ($000) $2,910 Avg Close $75.64 Range $60.78 - $94.76

Q1 2022

Shares 164,488 Value ($000) $13,723 Avg Close $63.45 Range $47.52 - $84.34

Q4 2021

Shares 8,332 Value ($000) $517 Avg Close $58.59 Range $52.93 - $64.63

Q3 2021

Shares 8,939 Value ($000) $523 Avg Close $59.61 Range $51.19 - $69.35

Q2 2021

Shares 11,185 Value ($000) $667 Avg Close $54.47 Range $45.84 - $62.09

Q3 2020

Shares 4,429 Value ($000) $127 Avg Close $26.10 Range $21.83 - $29.60

Q2 2020

Shares 6,502 Value ($000) $170 Avg Close $22.53 Range $18.48 - $27.00

Q1 2020

Shares 1,552 Value ($000) $35 Avg Close $24.36 Range $13.32 - $30.61

Q4 2019

Shares 15,811 Value ($000) $538 Avg Close $28.20 Range $24.32 - $31.60

Q2 2019

Shares 72,185 Value ($000) $2,180 Avg Close $26.59 Range $21.75 - $31.41

Q4 2018

Shares 79,276 Value ($000) $2,381 Avg Close $32.42 Range $24.79 - $39.93

Q4 2017

Shares 2,345 Value ($000) $101 Avg Close $32.46 Range $28.33 - $37.17

Q3 2017

Shares 83,363 Value ($000) $2,874 Avg Close $29.48 Range $27.05 - $32.51

Q2 2017

Shares 28,868 Value ($000) $1,034 Avg Close $28.97 Range $26.88 - $31.37

Q2 2016

Shares 38,072 Value ($000) $933 Avg Close $20.03 Range $17.68 - $22.12

Q3 2014

Shares 20,144 Value ($000) $455 Avg Close $17.12 Range $13.89 - $19.97

Q3 2013

Shares 17 Value ($000) $0 Avg Close $12.11 Range $11.42 - $13.41

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	18,142	$2,530	$130.39	$119.11 - $140.98
Q2 2025	25,992	$3,327	$126.36	$102.11 - $140.95
Q1 2025	14,988	$1,875	$124.96	$109.33 - $137.65
Q4 2024	28,491	$3,250	$130.47	$111.65 - $152.72
Q3 2024	66,300	$8,359	$118.85	$102.31 - $134.27
Q2 2024	30,920	$4,004	$130.12	$115.35 - $147.49
Q1 2024	50,689	$7,514	$122.14	$106.53 - $144.95
Q4 2023	34,009	$4,016	$107.90	$95.11 - $124.46
Q3 2023	5,440	$583	$100.40	$92.11 - $107.71
Q1 2023	4,076	$461	$111.23	$90.76 - $130.54
Q4 2022	3,462	$338	$91.75	$68.70 - $107.85
Q3 2022	25,226	$1,790	$71.84	$59.25 - $84.09
Q2 2022	43,997	$2,910	$75.64	$60.78 - $94.76
Q1 2022	164,488	$13,723	$63.45	$47.52 - $84.34
Q4 2021	8,332	$517	$58.59	$52.93 - $64.63
Q3 2021	8,939	$523	$59.61	$51.19 - $69.35
Q2 2021	11,185	$667	$54.47	$45.84 - $62.09
Q3 2020	4,429	$127	$26.10	$21.83 - $29.60
Q2 2020	6,502	$170	$22.53	$18.48 - $27.00
Q1 2020	1,552	$35	$24.36	$13.32 - $30.61
Q4 2019	15,811	$538	$28.20	$24.32 - $31.60
Q2 2019	72,185	$2,180	$26.59	$21.75 - $31.41
Q4 2018	79,276	$2,381	$32.42	$24.79 - $39.93
Q4 2017	2,345	$101	$32.46	$28.33 - $37.17
Q3 2017	83,363	$2,874	$29.48	$27.05 - $32.51
Q2 2017	28,868	$1,034	$28.97	$26.88 - $31.37
Q2 2016	38,072	$933	$20.03	$17.68 - $22.12
Q3 2014	20,144	$455	$17.12	$13.89 - $19.97
Q3 2013	17	$0	$12.11	$11.42 - $13.41