스틸 다이나믹스, Inc.
MX ˙ BMV ˙ US8581191009
SecurityMX:STLD / Steel Dynamics, Inc.
InstitutionBnp Paribas Arbitrage, Sa
Latest Disclosed Ownership254,906 shares
Latest Disclosed Value $ 45,883,080
Bnp Paribas Arbitrage, Sa ownership in STLD / Steel Dynamics, Inc.

On May 12, 2026 - Bnp Paribas Arbitrage, Sa filed a 13F-HR form disclosing ownership of 254,906 shares of Steel Dynamics, Inc. (MX:STLD) valued at $45,883,080 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 294,689 shares of Steel Dynamics, Inc.. This represents a change in shares of -13.50% during the quarter.

Bnp Paribas Arbitrage, Sa has a history of taking positions in derivatives of the underlying security (STLD) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:STLD / Steel Dynamics, Inc. Historical Put/Call Ratio
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)
2026-05-12 2026-03-31 13F Steel Dynamics Equity 858119100 254,906 -39,783 -13.50 45,883 -8.11 0.0223
2026-02-10 2025-12-31 13F Steel Dynamics Equity 858119100 294,689 513 0.17 49,935 21.75 0.0226
2025-11-13 2025-09-30 13F Steel Dynamics Equity 858119100 294,176 70,866 31.73 41,017 43.49 0.0219
2025-08-14 2025-06-30 13F Steel Dynamics Equity 858119100 223,310 -63,140 -22.04 28,586 -20.22 0.0164
2025-05-14 2025-03-31 13F Steel Dynamics Equity 858119100 286,450 -21,747 -7.06 35,829 1.91 0.0211
2025-02-14 2024-12-31 13F Steel Dynamics Equity 858119100 308,197 86,821 39.22 35,156 25.96 0.0197
2024-11-13 2024-09-30 13F Steel Dynamics Equity 858119100 221,376 8,356 3.92 27,911 1.18 0.0188
2024-08-13 2024-06-30 13F Steel Dynamics Equity 858119100 213,020 17,956 9.21 27,586 -4.59 0.0225
2024-05-01 2024-03-31 13F Steel Dynamics Equity 858119100 195,064 50,456 34.89 28,914 69.31 0.0254
2024-02-14 2023-12-31 13F/A-2 Steel Dynamics Equity 858119100 144,608 -52,148 -26.50 17,078 -19.05 0.0194
2024-02-07 2023-12-31 13F/A-1 Steel Dynamics Equity 858119100 144,608 -52,148 17,078 0.0024
2024-02-07 2023-12-31 13F Steel Dynamics Equity 858119100 144,608 17,078
2023-11-14 2023-09-30 13F Steel Dynamics Equity 858119100 196,756 11,199 6.04 21,096 4.37 0.0271
2023-08-09 2023-06-30 13F Steel Dynamics Equity 858119100 185,557 2,348 1.28 20,213 -2.42 0.0253
2023-05-12 2023-03-31 13F STEEL DYNAMICS EQUITY 858119100 183,209 19,752 12.08 20,714 29.71 0.0290
2023-02-14 2022-12-31 13F Steel Dynamics Equity 858119100 163,457 51,368 45.83 15,970 100.82 0.0245
2022-11-16 2022-09-30 13F/A-1 Steel Dynamics Equity 858119100 112,089 -12,024 -9.69 7,953 -3.14 0.0127
2022-11-15 2022-09-30 13F Steel Dynamics Equity 858119100 112,089 -12,024 7,953 0.0019
2022-08-12 2022-06-30 13F Steel Dynamics Equity 858119100 124,113 -32,699 -20.85 8,210 -37.24 0.0128
2022-05-18 2022-03-31 13F/A-1 Steel Dynamics Equity 858119100 156,812 17,807 12.81 13,083 51.62 0.0176
2022-02-09 2021-12-31 13F STEEL DYNAMICS EQUITY 858119100 139,005 -9,075 -6.13 8,628 -0.36 0.0123
2021-11-16 2021-09-30 13F/A-1 STEEL DYNAMICS EQUITY 858119100 148,080 -3,063 -2.03 8,660 -3.87 0.0123
2021-11-12 2021-09-30 13F STEEL DYNAMICS EQUITY 858119100 212,498 61,355 6,084 0.0000
2021-08-10 2021-06-30 13F STEEL DYNAMICS EQUITY 858119100 151,143 14,664 10.74 9,008 30.04 0.0119
2021-05-07 2021-03-31 13F STEEL DYNAMICS EQUITY 858119100 136,479 -288,173 -67.86 6,928 -55.75 0.0101
2021-02-10 2020-12-31 13F STEEL DYNAMICS EQUITY 858119100 424,652 212,154 99.84 15,657 157.37 0.0291
2020-10-30 2020-09-30 13F STEEL DYNAMICS EQUITY 858119100 212,498 -147,038 -40.90 6,084 -35.15 0.0087
2020-08-06 2020-06-30 13F STEEL DYNAMICS EQUITY 858119100 359,536 111,698 45.07 9,380 67.92 0.0165
2020-05-13 2020-03-31 13F STEEL DYNAMICS EQUITY 858119100 247,838 65,719 36.09 5,586 -9.89 0.0115
2020-02-12 2019-12-31 13F STEEL DYNAMICS EQUITY 858119100 182,119 -197,854 -52.07 6,199 -45.25 0.0113
2019-11-07 2019-09-30 13F STEEL DYNAMICS EQUITY 858119100 379,973 13,046 3.56 11,323 2.18 0.0201
2019-07-30 2019-06-30 13F STEEL DYNAMICS EQUITY 858119100 366,927 -175,069 -32.30 11,081 -42.03 0.0221
2019-04-25 2019-03-31 13F STEEL DYNAMICS EQUITY 858119100 541,996 -126,945 -18.98 19,116 -4.87 0.0413
2019-02-12 2018-12-31 13F STEEL DYNAMICS EQUITY 858119100 668,941 271,856 68.46 20,095 11.98 0.0475
2018-11-07 2018-09-30 13F STEEL DYNAMICS EQUITY 858119100 397,085 54,746 15.99 17,944 14.08 0.0265
2018-07-25 2018-06-30 13F STEEL DYNAMICS EQUITY 858119100 342,339 141,334 70.31 15,730 76.98 0.0262
2018-05-11 2018-03-31 13F STEEL DYNAMICS EQUITY 858119100 201,005 -11,504 -5.41 8,888 -3.02 0.0166
2018-03-05 2017-12-31 13F/A-1 STEEL DYNAMICS EQUITY 858119100 212,509 -85,015 -28.57 9,166 -10.63 0.0163
2018-02-01 2017-12-31 13F STEEL DYNAMICS EQUITY 858119100 212,509 -85,015 9,166
2017-11-03 2017-09-30 13F STEEL DYNAMICS STOCK 858119100 297,524 -24,680 -7.66 10,256 -11.12 0.0251
2017-08-03 2017-06-30 13F STEEL DYNAMICS STOCK 858119100 322,204 107,156 49.83 11,538 54.35 0.0348
2017-05-03 2017-03-31 13F STEEL DYNAMICS STOCK 858119100 215,048 -92,178 -30.00 7,475 -31.62 0.0197
2017-02-14 2016-12-31 13F STEEL DYNAMICS STOCK 858119100 307,226 19,386 6.73 10,931 51.97 0.0512
2016-10-05 2016-09-30 13F * STEEL DYNAMICS INC COM STOCK 858119100 287,840 -116,076 -28.74 7,193 -27.31 0.0296
2016-07-06 2016-06-30 13F * STEEL DYNAMICS INC COM STOCK 858119100 403,916 101,464 33.55 9,896 45.34 0.0446
2016-04-22 2016-03-31 13F * STEEL DYNAMICS INC COM STOCK 858119100 302,452 165,032 120.09 6,808 177.31 0.0288
2016-04-19 2015-12-31 13F/A-1 * STEEL DYNAMICS INC COM STOCK 858119100 137,420 32,831 31.39 2,456 36.69 0.0119
2016-02-10 2015-12-31 13F * STEEL DYNAMICS INC COM STOCK 858119100 137,420 2,456
2015-11-13 2015-09-30 13F * STEEL DYNAMICS INC COM STOCK 858119100 104,589 19,171 22.44 1,797 1.53 0.0045
2015-08-14 2015-06-30 13F STEEL DYNAMICS INC COM STOCK 858119100 85,418 28,168 49.20 1,770 53.83 0.0049
2015-05-15 2015-03-31 13F * STEEL DYNAMICS INC COM STOCK 858119100 57,250 47,343 477.87 1,151 489.74 0.0032
2015-03-10 2014-12-31 13F/A-1 * STEEL DYNAMICS INC COM STOCK 858119100 9,907 -50,366 -83.56 196 -85.68 0.0007
2015-02-11 2014-12-31 13F * STEEL DYNAMICS INC COM STOCK 858119100 9,907 196
2014-11-12 2014-09-30 13F * STEEL DYNAMICS INC COM STOCK 858119100 60,273 12,534 26.26 1,363 59.11 0.0012
2014-08-14 2014-06-30 13F/A-1 * STEEL DYNAMICS INC COM STOCK 858119100 47,739 -5,875 -10.96 857 -12.56 0.0008
2014-08-14 2014-06-30 13F STEEL DYNAMICS INC COM STOCK 858119100 47,739 857
2014-05-13 2014-03-31 13F STEEL DYNAMICS STOCK 858119100 53,614 49,823 1,314.24 980 1,222.97 0.0008
2014-04-02 2013-12-31 13F/A-1 STEEL DYNAMICS STOCK 858119100 3,791 3,791 74 0.0001
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2017-11-03 2017-09-30 13F STEEL DYNAMICS OPTION Call 0 -100.00 0 -100.00 n/a n/a n/a
2017-08-03 2017-06-30 13F STEEL DYNAMICS OPTION Call 288 73 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-11-13 2025-09-30 13F Steel Dynamics Option Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-08-14 2025-06-30 13F Steel Dynamics Option Put 124 1,587 n/a n/a n/a
2024-11-13 2024-09-30 13F Steel Dynamics Option Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-08-13 2024-06-30 13F Steel Dynamics Option Put 400 5,180 n/a n/a n/a
2017-11-03 2017-09-30 13F STEEL DYNAMICS OPTION Put 0 -100.00 0 -100.00 n/a n/a n/a
2017-08-03 2017-06-30 13F STEEL DYNAMICS OPTION Put 135 1 n/a n/a n/a
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.