Steel Dynamics, Inc.
US ˙ NasdaqGS ˙ US8581191009

SecuritySTLD / Steel Dynamics, Inc.
InstitutionMercer Global Advisors Inc /adv
Latest Disclosed Ownership51,897 shares
Latest Disclosed Value $ 9,341,472
Mercer Global Advisors Inc /adv reports 18.69% increase in ownership of STLD / Steel Dynamics, Inc.

On May 15, 2026 - Mercer Global Advisors Inc /adv filed a 13F-HR form disclosing ownership of 51,897 shares of Steel Dynamics, Inc. (US:STLD) valued at $9,341,460 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 43,725 shares of Steel Dynamics, Inc.. This represents a change in shares of 18.69% during the quarter. The current value of the position is $13,934,344 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F STEEL DYNAMICS COM 858119100 51,897 8,172 18.69 9,341 26.08 0.0138
2026-02-17 2025-12-31 13F STEEL DYNAMICS COM 858119100 43,725 -9,020 -17.10 7,409 0.75 0.0113
2025-11-14 2025-09-30 13F STEEL DYNAMICS COM 858119100 52,745 7,441 16.42 7,354 26.81 0.0123
2025-08-14 2025-06-30 13F STEEL DYNAMICS COM 858119100 45,304 -49,763 -52.35 5,799 -51.23 0.0118
2025-05-15 2025-03-31 13F STEEL DYNAMICS COM 858119100 95,067 15,185 19.01 11,891 30.49 0.0273
2025-02-14 2024-12-31 13F STEEL DYNAMICS COM 858119100 79,882 15,284 23.66 9,112 9.16 0.0222
2024-11-14 2024-09-30 13F STEEL DYNAMICS COM 858119100 64,598 -2,905 -4.30 8,348 -7.00 0.0195
2024-08-12 2024-06-30 13F STEEL DYNAMICS COM 858119100 67,503 21,563 46.94 8,976 149,483.33 0.0245
2024-05-15 2024-03-31 13F STEEL DYNAMICS COM 858119100 45,940 17,916 63.93 7 100.00 0.0194
2024-02-15 2023-12-31 13F STEEL DYNAMICS COM 858119100 28,024 1,593 6.03 3 50.00 0.0100
2023-11-15 2023-09-30 13F/A-1 STEEL DYNAMICS COM 858119100 26,431 -3,331 -11.19 3 -33.33 0.0108
2023-11-14 2023-09-30 13F STEEL DYNAMICS COM 858119100 26,431 -3,331 3 0.0108
2023-08-14 2023-06-30 13F STEEL DYNAMICS COM 858119100 29,762 2,085 7.53 3 0.00 0.0129
2023-05-16 2023-03-31 13F STEEL DYNAMICS COM 858119100 27,677 1,067 4.01 3 50.00 0.0142
2023-02-09 2022-12-31 13F STEEL DYNAMICS COM 858119100 26,610 7 0.03 3 -99.89 0.0130
2022-11-15 2022-09-30 13F STEEL DYNAMICS COM 858119100 26,603 226 0.86 1,887 8.14 0.0112
2022-08-10 2022-06-30 13F STEEL DYNAMICS COM 858119100 26,377 50 0.19 1,745 -20.54 0.0107
2022-05-10 2022-03-31 13F STEEL DYNAMICS COM 858119100 26,327 -4,997 -15.95 2,196 12.96 0.0129
2022-02-04 2021-12-31 13F STEEL DYNAMICS COM 858119100 31,324 -2,480 -7.34 1,944 -1.67 0.0120
2021-11-10 2021-09-30 13F STEEL DYNAMICS COM 858119100 33,804 917 2.79 1,977 0.87 0.0138
2021-08-10 2021-06-30 13F STEEL DYNAMICS COM 858119100 32,887 531 1.64 1,960 19.37 0.0151
2021-08-10 2021-03-31 13F/A-1 STEEL DYNAMICS COM 858119100 32,356 -4,924 -13.21 1,642 19.42 0.0149
2021-05-11 2021-03-31 13F STEEL DYNAMICS COM 858119100 32,356 -4,924 1,642 0.0157
2021-02-12 2020-12-31 13F STEEL DYNAMICS COM 858119100 37,280 6,226 20.05 1,375 54.67 0.0172
2020-12-10 2020-09-30 13F STEEL DYNAMICS COM 858119100 31,054 -476 -1.51 889 8.02 0.0134
2020-08-10 2020-06-30 13F STEEL DYNAMICS COM 858119100 31,530 6,353 25.23 823 45.15 0.0149
2020-05-18 2020-03-31 13F STEEL DYNAMICS COM 858119100 25,177 25,177 567 0.0125
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.