STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2025

Shares 59,707 Value ($000) $10,117 Avg Close $158.36 Range $137.70 - $177.84

Q3 2025

Shares 85,516 Value ($000) $11,923 Avg Close $130.39 Range $119.11 - $140.98

Q2 2025

Shares 106,851 Value ($000) $13,678 Avg Close $126.36 Range $102.11 - $140.95

Q1 2025

Shares 27,320 Value ($000) $3,417 Avg Close $124.96 Range $109.33 - $137.65

Q4 2024

Shares 58,934 Value ($000) $6,723 Avg Close $130.47 Range $111.65 - $152.72

Q3 2024

Shares 150,738 Value ($000) $19,005 Avg Close $118.85 Range $102.31 - $134.27

Q2 2024

Shares 75,395 Value ($000) $9,764 Avg Close $130.12 Range $115.35 - $147.49

Q1 2024

Shares 211,074 Value ($000) $31,287 Avg Close $122.14 Range $106.53 - $144.95

Q4 2023

Shares 265,192 Value ($000) $31,319 Avg Close $107.90 Range $95.11 - $124.46

Q3 2023

Shares 355,258 Value ($000) $38,091 Avg Close $100.40 Range $92.11 - $107.71

Q2 2023

Shares 398,585 Value ($000) $43,418 Avg Close $97.72 Range $86.96 - $110.55

Q1 2023

Shares 1,048,310 Value ($000) $118,522 Avg Close $111.23 Range $90.76 - $130.54

Q4 2022

Shares 1,297,127 Value ($000) $126,729 Avg Close $91.75 Range $68.70 - $107.85

Q3 2022

Shares 1,646,240 Value ($000) $116,801 Avg Close $71.84 Range $59.25 - $84.09

Q2 2022

Shares 2,589,074 Value ($000) $171,267 Avg Close $75.64 Range $60.78 - $94.76

Q1 2022

Shares 3,762,475 Value ($000) $313,903 Avg Close $63.45 Range $47.52 - $84.34

Q4 2021

Shares 3,927,374 Value ($000) $243,772 Avg Close $58.59 Range $52.93 - $64.63

Q3 2021

Shares 3,383,492 Value ($000) $197,866 Avg Close $59.61 Range $51.19 - $69.35

Q2 2021

Shares 2,219,895 Value ($000) $132,305 Avg Close $54.47 Range $45.84 - $62.09

Q1 2021

Shares 113,833 Value ($000) $5,778 Avg Close $38.96 Range $31.19 - $48.49

Q4 2020

Shares 85,368 Value ($000) $3,147 Avg Close $31.85 Range $25.96 - $36.89

Q3 2020

Shares 264,712 Value ($000) $7,578 Avg Close $26.10 Range $21.83 - $29.60

Q2 2020

Shares 254,806 Value ($000) $6,647 Avg Close $22.53 Range $18.48 - $27.00

Q1 2020

Shares 296,584 Value ($000) $6,685 Avg Close $24.36 Range $13.32 - $30.61

Q4 2019

Shares 179,743 Value ($000) $6,118 Avg Close $28.20 Range $24.32 - $31.60

Q3 2019

Shares 177,490 Value ($000) $5,289 Avg Close $25.87 Range $22.50 - $28.88

Q2 2019

Shares 1,036,906 Value ($000) $31,314 Avg Close $26.59 Range $21.75 - $31.41

Q1 2019

Shares 835,733 Value ($000) $29,477 Avg Close $30.67 Range $25.17 - $33.96

Q4 2018

Shares 752,255 Value ($000) $22,597 Avg Close $32.42 Range $24.79 - $39.93

Q3 2018

Shares 1,878,789 Value ($000) $84,902 Avg Close $39.33 Range $35.70 - $42.45

Q2 2018

Shares 1,890,801 Value ($000) $86,883 Avg Close $40.25 Range $36.27 - $44.32

Q1 2018

Shares 1,815,479 Value ($000) $80,280 Avg Close $39.00 Range $34.83 - $42.94

Q4 2017

Shares 1,853,910 Value ($000) $79,959 Avg Close $32.46 Range $28.33 - $37.17

Q3 2017

Shares 1,879,030 Value ($000) $64,770 Avg Close $29.48 Range $27.05 - $32.51

Q2 2017

Shares 1,887,343 Value ($000) $67,585 Avg Close $28.97 Range $26.88 - $31.37

Q1 2017

Shares 2,869,235 Value ($000) $99,734 Avg Close $29.67 Range $27.09 - $32.02

Q4 2016

Shares 2,921,515 Value ($000) $103,948 Avg Close $26.10 Range $19.35 - $33.31

Q3 2016

Shares 1,263,618 Value ($000) $31,577 Avg Close $21.06 Range $18.79 - $23.10

Q2 2016

Shares 1,864,205 Value ($000) $45,674 Avg Close $20.03 Range $17.68 - $22.12

Q1 2016

Shares 3,098,317 Value ($000) $69,744 Avg Close $15.36 Range $12.48 - $18.79

Q4 2015

Shares 6,903,915 Value ($000) $123,373 Avg Close $14.45 Range $13.12 - $15.93

Q3 2015

Shares 4,530,576 Value ($000) $77,835 Avg Close $15.53 Range $13.35 - $17.42

Q2 2015

Shares 4,493,941 Value ($000) $93,092 Avg Close $17.16 Range $15.54 - $18.46

Q1 2015

Shares 4,167,732 Value ($000) $83,771 Avg Close $14.75 Range $13.06 - $16.57

Q4 2014

Shares 6,845,302 Value ($000) $135,127 Avg Close $16.97 Range $14.81 - $18.55

Q3 2014

Shares 6,617,853 Value ($000) $149,630 Avg Close $17.12 Range $13.89 - $19.97

Q2 2014

Shares 5,574,498 Value ($000) $100,062 Avg Close $13.98 Range $13.22 - $14.83

Q1 2014

Shares 5,592,914 Value ($000) $99,498 Avg Close $13.53 Range $12.21 - $15.09

Q4 2013

Shares 4,718,424 Value ($000) $92,198 Avg Close $14.08 Range $12.49 - $15.25

Q3 2013

Shares 4,718,822 Value ($000) $78,852 Avg Close $12.11 Range $11.42 - $13.41

Q2 2013

Shares 4,310,967 Value ($000) $64,276 Avg Close $11.35 Range $10.49 - $12.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	59,707	$10,117	$158.36	$137.70 - $177.84
Q3 2025	85,516	$11,923	$130.39	$119.11 - $140.98
Q2 2025	106,851	$13,678	$126.36	$102.11 - $140.95
Q1 2025	27,320	$3,417	$124.96	$109.33 - $137.65
Q4 2024	58,934	$6,723	$130.47	$111.65 - $152.72
Q3 2024	150,738	$19,005	$118.85	$102.31 - $134.27
Q2 2024	75,395	$9,764	$130.12	$115.35 - $147.49
Q1 2024	211,074	$31,287	$122.14	$106.53 - $144.95
Q4 2023	265,192	$31,319	$107.90	$95.11 - $124.46
Q3 2023	355,258	$38,091	$100.40	$92.11 - $107.71
Q2 2023	398,585	$43,418	$97.72	$86.96 - $110.55
Q1 2023	1,048,310	$118,522	$111.23	$90.76 - $130.54
Q4 2022	1,297,127	$126,729	$91.75	$68.70 - $107.85
Q3 2022	1,646,240	$116,801	$71.84	$59.25 - $84.09
Q2 2022	2,589,074	$171,267	$75.64	$60.78 - $94.76
Q1 2022	3,762,475	$313,903	$63.45	$47.52 - $84.34
Q4 2021	3,927,374	$243,772	$58.59	$52.93 - $64.63
Q3 2021	3,383,492	$197,866	$59.61	$51.19 - $69.35
Q2 2021	2,219,895	$132,305	$54.47	$45.84 - $62.09
Q1 2021	113,833	$5,778	$38.96	$31.19 - $48.49
Q4 2020	85,368	$3,147	$31.85	$25.96 - $36.89
Q3 2020	264,712	$7,578	$26.10	$21.83 - $29.60
Q2 2020	254,806	$6,647	$22.53	$18.48 - $27.00
Q1 2020	296,584	$6,685	$24.36	$13.32 - $30.61
Q4 2019	179,743	$6,118	$28.20	$24.32 - $31.60
Q3 2019	177,490	$5,289	$25.87	$22.50 - $28.88
Q2 2019	1,036,906	$31,314	$26.59	$21.75 - $31.41
Q1 2019	835,733	$29,477	$30.67	$25.17 - $33.96
Q4 2018	752,255	$22,597	$32.42	$24.79 - $39.93
Q3 2018	1,878,789	$84,902	$39.33	$35.70 - $42.45
Q2 2018	1,890,801	$86,883	$40.25	$36.27 - $44.32
Q1 2018	1,815,479	$80,280	$39.00	$34.83 - $42.94
Q4 2017	1,853,910	$79,959	$32.46	$28.33 - $37.17
Q3 2017	1,879,030	$64,770	$29.48	$27.05 - $32.51
Q2 2017	1,887,343	$67,585	$28.97	$26.88 - $31.37
Q1 2017	2,869,235	$99,734	$29.67	$27.09 - $32.02
Q4 2016	2,921,515	$103,948	$26.10	$19.35 - $33.31
Q3 2016	1,263,618	$31,577	$21.06	$18.79 - $23.10
Q2 2016	1,864,205	$45,674	$20.03	$17.68 - $22.12
Q1 2016	3,098,317	$69,744	$15.36	$12.48 - $18.79
Q4 2015	6,903,915	$123,373	$14.45	$13.12 - $15.93
Q3 2015	4,530,576	$77,835	$15.53	$13.35 - $17.42
Q2 2015	4,493,941	$93,092	$17.16	$15.54 - $18.46
Q1 2015	4,167,732	$83,771	$14.75	$13.06 - $16.57
Q4 2014	6,845,302	$135,127	$16.97	$14.81 - $18.55
Q3 2014	6,617,853	$149,630	$17.12	$13.89 - $19.97
Q2 2014	5,574,498	$100,062	$13.98	$13.22 - $14.83
Q1 2014	5,592,914	$99,498	$13.53	$12.21 - $15.09
Q4 2013	4,718,424	$92,198	$14.08	$12.49 - $15.25
Q3 2013	4,718,822	$78,852	$12.11	$11.42 - $13.41
Q2 2013	4,310,967	$64,276	$11.35	$10.49 - $12.29