Form 13-F position report

* STEEL DYNAMICS INC

Reported by WINMILL & CO INC

STLD CUSIP 858119100 Manager CIK 0000052234

Reported 168,747 shares, unchanged from the prior quarter.

Reported value 6.2%; share count 0.0% vs. the prior quarter.

Unchanged
% of reported 13F value 8.76% This manager · Q1 2026
Shares 168,747 Quarter-end amount reported
Reported value $30,374,460 Fair value at quarter end
Consecutive quarters held 27 Through Q1 2026

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2021-09-30 8556000
2021-12-31 11880000
2022-03-31 14008000
2022-06-30 11107000
2022-09-30 11913000
2022-12-31 16403830
2023-03-31 18982774
2023-06-30 18289347
2023-09-30 18002238
2023-12-31 19929021
2024-03-31 25013368
2024-06-30 21852737
2024-09-30 21275622
2024-12-31 19248970
2025-03-31 21106875
2025-06-30 21601303
2025-09-30 23528394
2025-12-31 28594179
2026-03-31 30374460
2026-06-30 38720687

Quarterly position history

How this manager's reported quarter-end position changed over time.

20 quarters
Quarterly reported position history for * STEEL DYNAMICS INC held by WINMILL & CO INC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2026 Unchanged 168,747 0 (0.0%) 8.57% $38,720,687 2026-08-13
Q1 2026 Unchanged 168,747 0 (0.0%) 8.76% $30,374,460 2026-05-14
Q4 2025 Unchanged 168,747 0 (0.0%) 7.63% $28,594,179 2026-02-13
Q3 2025 Unchanged 168,747 0 (0.0%) 5.7% $23,528,394 2025-11-13
Q2 2025 Unchanged 168,747 0 (0.0%) 6.01% $21,601,303 2025-08-01
Q1 2025 Unchanged 168,747 0 (0.0%) 6.42% $21,106,875 2025-05-14
Q4 2024 Unchanged 168,747 0 (0.0%) 6.23% $19,248,970 2025-02-13
Q3 2024 Unchanged 168,747 0 (0.0%) 7.16% $21,275,622 2024-11-13
Q2 2024 Unchanged 168,747 0 (0.0%) 7.45% $21,852,737 2024-08-13
Q1 2024 Unchanged 168,747 0 (0.0%) 7.12% $25,013,368 2024-05-14
Q4 2023 Added 168,747 +847 (0.5%) 6.39% $19,929,021 2024-02-13
Q3 2023 Unchanged 167,900 0 (0.0%) 6.59% $18,002,238 2023-11-13
Q2 2023 Unchanged 167,900 0 (0.0%) 6.54% $18,289,347 2023-08-11
Q1 2023 Unchanged 167,900 0 (0.0%) 7.08% $18,982,774 2023-05-12
Q4 2022 Unchanged 167,900 0 (0.0%) 5.97% $16,403,830 2023-02-13
Q3 2022 Unchanged 167,900 0 (0.0%) 4.72% $11,913,000 2022-11-10
Q2 2022 Unchanged 167,900 0 (0.0%) 4.03% $11,107,000 2022-08-12
Q1 2022 Reduced 167,900 -23,500 (-12.3%) 4.26% $14,008,000 2022-05-13
Q4 2021 Added 191,400 +45,100 (30.8%) 3.42% $11,880,000 2022-02-11
Q3 2021 Added 146,300 +57,800 (65.3%) 2.74% $8,556,000 2021-11-12
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

1038 managers reported * STEEL DYNAMICS INC for Q1 2026.

Managers reporting * STEEL DYNAMICS INC in Q1 2026.
Manager Activity Shares Change % of reported 13F Reported value Tenure
BlackRock Inc Added 12,394,980 +228,007 0.04% $2,231,096,463 7 qtrs
VANGUARD CAPITAL MANAGEMENT LLC New 8,976,307 +8,976,307 0.04% $1,615,735,260 1 qtr
STATE STREET CORPORATION Added 7,513,992 +262,526 0.05% $1,356,443,059 52 qtrs
VANGUARD PORTFOLIO MANAGEMENT LLC New 6,809,040 +6,809,040 0.06% $1,225,627,200 1 qtr
FMR LLC Added 4,411,600 +1,359,650 0.04% $794,088,090 52 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 3,834,936 +162,040 0.04% $687,777,790 52 qtrs
Capital Research Global Investors Added 3,630,842 +7,788 0.1% $653,551,560 16 qtrs
MORGAN STANLEY Reduced 3,149,055 -119,688 0.03% $566,830,340 52 qtrs
Life Cycle Investment Partners Ltd Reduced 2,696,347 -766,045 3.09% $485,342,460 2 qtrs
Holocene Advisors LP Reduced 2,288,948 -269,480 0.99% $412,010,640 12 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
March 31, 2026
Filed
May 14, 2026
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
168,747
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.