STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 384,439 Value ($000) $65,143 Avg Close $158.36 Range $137.70 - $177.84

Q3 2025

Shares 421,704 Value ($000) $58,798 Avg Close $130.39 Range $119.11 - $140.98

Q2 2025

Shares 457,040 Value ($000) $58,506 Avg Close $126.36 Range $102.11 - $140.95

Q1 2025

Shares 476,343 Value ($000) $59,581 Avg Close $124.96 Range $109.33 - $137.65

Q4 2024

Shares 554,552 Value ($000) $63,258 Avg Close $130.47 Range $111.65 - $152.72

Q3 2024

Shares 653,999 Value ($000) $82,456 Avg Close $118.85 Range $102.31 - $134.27

Q2 2024

Shares 610,841 Value ($000) $79,104 Avg Close $130.12 Range $115.35 - $147.49

Q1 2024

Shares 411,988 Value ($000) $61,069 Avg Close $122.14 Range $106.53 - $144.95

Q4 2023

Shares 217,873 Value ($000) $25,731 Avg Close $107.90 Range $95.11 - $124.46

Q3 2023

Shares 317,307 Value ($000) $34,022 Avg Close $100.40 Range $92.11 - $107.71

Q2 2023

Shares 264,525 Value ($000) $28,815 Avg Close $97.72 Range $86.96 - $110.55

Q1 2023

Shares 250,005 Value ($000) $28,266 Avg Close $111.23 Range $90.76 - $130.54

Q4 2022

Shares 239,882 Value ($000) $23,436 Avg Close $91.75 Range $68.70 - $107.85

Q3 2022

Shares 529,689 Value ($000) $37,581 Avg Close $71.84 Range $59.25 - $84.09

Q2 2022

Shares 579,072 Value ($000) $38,306 Avg Close $75.64 Range $60.78 - $94.76

Q1 2022

Shares 926,756 Value ($000) $77,319 Avg Close $63.45 Range $47.52 - $84.34

Q4 2021

Shares 796,046 Value ($000) $49,411 Avg Close $58.59 Range $52.93 - $64.63

Q3 2021

Shares 806,559 Value ($000) $47,168 Avg Close $59.61 Range $51.19 - $69.35

Q2 2021

Shares 804,809 Value ($000) $47,967 Avg Close $54.47 Range $45.84 - $62.09

Q1 2021

Shares 1,074,330 Value ($000) $54,533 Avg Close $38.96 Range $31.19 - $48.49

Q4 2020

Shares 861,345 Value ($000) $31,758 Avg Close $31.85 Range $25.96 - $36.89

Q3 2020

Shares 414,387 Value ($000) $11,864 Avg Close $26.10 Range $21.83 - $29.60

Q2 2020

Shares 375,621 Value ($000) $9,800 Avg Close $22.53 Range $18.48 - $27.00

Q1 2020

Shares 374,881 Value ($000) $8,450 Avg Close $24.36 Range $13.32 - $30.61

Q4 2019

Shares 379,511 Value ($000) $12,919 Avg Close $28.20 Range $24.32 - $31.60

Q3 2019

Shares 388,171 Value ($000) $11,567 Avg Close $25.87 Range $22.50 - $28.88

Q2 2019

Shares 397,332 Value ($000) $11,999 Avg Close $26.59 Range $21.75 - $31.41

Q1 2019

Shares 449,061 Value ($000) $15,838 Avg Close $30.67 Range $25.17 - $33.96

Q4 2018

Shares 456,519 Value ($000) $13,714 Avg Close $32.42 Range $24.79 - $39.93

Q3 2018

Shares 179,516 Value ($000) $8,112 Avg Close $39.33 Range $35.70 - $42.45

Q2 2018

Shares 230,552 Value ($000) $10,594 Avg Close $40.25 Range $36.27 - $44.32

Q1 2018

Shares 166,472 Value ($000) $7,361 Avg Close $39.00 Range $34.83 - $42.94

Q4 2017

Shares 169,766 Value ($000) $7,322 Avg Close $32.46 Range $28.33 - $37.17

Q3 2017

Shares 178,678 Value ($000) $6,159 Avg Close $29.48 Range $27.05 - $32.51

Q2 2017

Shares 273,016 Value ($000) $9,777 Avg Close $28.97 Range $26.88 - $31.37

Q1 2017

Shares 245,372 Value ($000) $8,529 Avg Close $29.67 Range $27.09 - $32.02

Q4 2016

Shares 262,062 Value ($000) $9,324 Avg Close $26.10 Range $19.35 - $33.31

Q3 2016

Shares 289,340 Value ($000) $7,231 Avg Close $21.06 Range $18.79 - $23.10

Q2 2016

Shares 213,260 Value ($000) $5,225 Avg Close $20.03 Range $17.68 - $22.12

Q1 2016

Shares 2,277,708 Value ($000) $51,271 Avg Close $15.36 Range $12.48 - $18.79

Q4 2015

Shares 2,281,561 Value ($000) $40,771 Avg Close $14.45 Range $13.12 - $15.93

Q3 2015

Shares 2,280,611 Value ($000) $39,181 Avg Close $15.53 Range $13.35 - $17.42

Q2 2015

Shares 2,357,920 Value ($000) $48,844 Avg Close $17.16 Range $15.54 - $18.46

Q1 2015

Shares 2,267,373 Value ($000) $45,574 Avg Close $14.75 Range $13.06 - $16.57

Q4 2014

Shares 2,297,563 Value ($000) $45,354 Avg Close $16.97 Range $14.81 - $18.55

Q3 2014

Shares 2,988,659 Value ($000) $67,574 Avg Close $17.12 Range $13.89 - $19.97

Q2 2014

Shares 3,744,269 Value ($000) $67,210 Avg Close $13.98 Range $13.22 - $14.83

Q1 2014

Shares 3,570,171 Value ($000) $63,513 Avg Close $13.53 Range $12.21 - $15.09

Q4 2013

Shares 3,756,714 Value ($000) $73,406 Avg Close $14.08 Range $12.49 - $15.25

Q3 2013

Shares 3,751,362 Value ($000) $62,685 Avg Close $12.11 Range $11.42 - $13.41

Q2 2013

Shares 3,742,256 Value ($000) $55,797 Avg Close $11.35 Range $10.49 - $12.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	384,439	$65,143	$158.36	$137.70 - $177.84
Q3 2025	421,704	$58,798	$130.39	$119.11 - $140.98
Q2 2025	457,040	$58,506	$126.36	$102.11 - $140.95
Q1 2025	476,343	$59,581	$124.96	$109.33 - $137.65
Q4 2024	554,552	$63,258	$130.47	$111.65 - $152.72
Q3 2024	653,999	$82,456	$118.85	$102.31 - $134.27
Q2 2024	610,841	$79,104	$130.12	$115.35 - $147.49
Q1 2024	411,988	$61,069	$122.14	$106.53 - $144.95
Q4 2023	217,873	$25,731	$107.90	$95.11 - $124.46
Q3 2023	317,307	$34,022	$100.40	$92.11 - $107.71
Q2 2023	264,525	$28,815	$97.72	$86.96 - $110.55
Q1 2023	250,005	$28,266	$111.23	$90.76 - $130.54
Q4 2022	239,882	$23,436	$91.75	$68.70 - $107.85
Q3 2022	529,689	$37,581	$71.84	$59.25 - $84.09
Q2 2022	579,072	$38,306	$75.64	$60.78 - $94.76
Q1 2022	926,756	$77,319	$63.45	$47.52 - $84.34
Q4 2021	796,046	$49,411	$58.59	$52.93 - $64.63
Q3 2021	806,559	$47,168	$59.61	$51.19 - $69.35
Q2 2021	804,809	$47,967	$54.47	$45.84 - $62.09
Q1 2021	1,074,330	$54,533	$38.96	$31.19 - $48.49
Q4 2020	861,345	$31,758	$31.85	$25.96 - $36.89
Q3 2020	414,387	$11,864	$26.10	$21.83 - $29.60
Q2 2020	375,621	$9,800	$22.53	$18.48 - $27.00
Q1 2020	374,881	$8,450	$24.36	$13.32 - $30.61
Q4 2019	379,511	$12,919	$28.20	$24.32 - $31.60
Q3 2019	388,171	$11,567	$25.87	$22.50 - $28.88
Q2 2019	397,332	$11,999	$26.59	$21.75 - $31.41
Q1 2019	449,061	$15,838	$30.67	$25.17 - $33.96
Q4 2018	456,519	$13,714	$32.42	$24.79 - $39.93
Q3 2018	179,516	$8,112	$39.33	$35.70 - $42.45
Q2 2018	230,552	$10,594	$40.25	$36.27 - $44.32
Q1 2018	166,472	$7,361	$39.00	$34.83 - $42.94
Q4 2017	169,766	$7,322	$32.46	$28.33 - $37.17
Q3 2017	178,678	$6,159	$29.48	$27.05 - $32.51
Q2 2017	273,016	$9,777	$28.97	$26.88 - $31.37
Q1 2017	245,372	$8,529	$29.67	$27.09 - $32.02
Q4 2016	262,062	$9,324	$26.10	$19.35 - $33.31
Q3 2016	289,340	$7,231	$21.06	$18.79 - $23.10
Q2 2016	213,260	$5,225	$20.03	$17.68 - $22.12
Q1 2016	2,277,708	$51,271	$15.36	$12.48 - $18.79
Q4 2015	2,281,561	$40,771	$14.45	$13.12 - $15.93
Q3 2015	2,280,611	$39,181	$15.53	$13.35 - $17.42
Q2 2015	2,357,920	$48,844	$17.16	$15.54 - $18.46
Q1 2015	2,267,373	$45,574	$14.75	$13.06 - $16.57
Q4 2014	2,297,563	$45,354	$16.97	$14.81 - $18.55
Q3 2014	2,988,659	$67,574	$17.12	$13.89 - $19.97
Q2 2014	3,744,269	$67,210	$13.98	$13.22 - $14.83
Q1 2014	3,570,171	$63,513	$13.53	$12.21 - $15.09
Q4 2013	3,756,714	$73,406	$14.08	$12.49 - $15.25
Q3 2013	3,751,362	$62,685	$12.11	$11.42 - $13.41
Q2 2013	3,742,256	$55,797	$11.35	$10.49 - $12.29