STLD
Steel Dynamics IncCompany with tickers: STLD
CIK
1022671
CUSIP
858119100
Shares Outstanding
144,212,781
Website
https://www.steeldynamics.com
13F Activity (30d)
281 filings
268 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 934
Total Value: $21,507,009,120
Total Shares: 119,483,384
Showing 1–100
of 963 holdings by value
· page 1 of 10
Institutional Ownership Trend
25 quarters
Superinvestors Holding STLD
All superinvestors →Holder Concentration
Across 934 13F filers · Δ vs Dec 31, 2025Top Holder
10.4%
−0.2 pts
Top 5
33.6%
+3.6 pts
Top 10
46.6%
+2.8 pts
HHI
325
Broadly held+37
Quarterly Activity
vs Dec 31, 2025
New
147
Increased
318
Decreased
308
Sold Out
104
Unchanged
161
Holder count:
+43
Institutional value:
+84.7%
Shares held:
+73.9%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Large BESSEMER GROUP INC | +541,250 | 542,215 | |
| Large AustralianSuper Pty Ltd | +392,933 | 406,945 | |
| Large Caisse de depot et placement du Quebec | +281,394 | 761,823 | |
| Mega STATE STREET CORP | +262,526 | 7,513,992 | |
| Mega CITADEL ADVISORS LLC | +244,226 | 669,086 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large Robeco Institutional Asset Management B.V. | −810,949 | 1,197,250 | |
| Large Life Cycle Investment Partners Ltd | −766,045 | 2,696,347 | |
| Large 1832 Asset Management L.P. | −548,927 | 2,121 | |
| Large ROYAL LONDON ASSET MANAGEMENT LTD | −426,731 | 1,099,375 | |
| Large KBC Group NV | −396,217 | 76,828 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega BlackRock, Inc. | 12,394,980 | $2,231,096,400 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 8,976,307 | $1,615,735,260 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | 6,809,040 | $1,225,627,200 | |
| Mega FMR LLC | 4,411,600 | $794,088,000 | |
| Mega MORGAN STANLEY | 3,149,055 | $566,829,900 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large Brandywine Global Investment Management, LLC | 120,300 | $20,384,835 | |
| Mid Weiss Asset Management LP | 74,400 | $12,607,080 | |
| Mid Merewether Investment Management, LP | 53,400 | $9,048,630 | |
| Mid Cambria Investment Management, L.P. | 52,062 | $8,821,905 | |
| Mega CANADA PENSION PLAN INVESTMENT BOARD | 49,475 | $8,383,538 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. | $2,231,096,400 | 10.37% | 12,394,980 | Shares | Sole | 2026-05-13 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $1,615,735,260 | 7.51% | 8,976,307 | Shares | Defined | 2026-05-15 | ||||
| Mega STATE STREET CORP | $1,352,518,560 | 6.29% | 7,513,992 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $1,225,627,200 | 5.70% | 6,809,040 | Shares | Defined | 2026-05-08 | ||||
| Mega FMR LLC | $794,088,000 | 3.69% | 4,411,600 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $690,288,480 | 3.21% | 3,834,936 | Shares | Defined | 2026-05-15 | ||||
| Mega Capital Research Global Investors | $653,551,560 | 3.04% | 3,630,842 | Shares | Defined | 2026-05-13 | ||||
| Mega MORGAN STANLEY | $566,829,900 | 2.64% | 3,149,055 | Shares | Defined | 2026-05-15 | ||||
| Large Life Cycle Investment Partners Ltd | $485,342,460 | 2.26% | 2,696,347 | Shares | Sole | 2026-05-12 | ||||
| Large Holocene Advisors, LP | $412,010,640 | 1.92% | 2,288,948 | Shares | Sole | 2026-05-15 | ||||
| Mega NORDEA INVESTMENT MANAGEMENT AB | $399,029,040 | 1.86% | 2,216,828 | Shares | Defined | 2026-05-13 | ||||
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $381,990,240 | 1.78% | 2,122,168 | Shares | Defined | 2026-05-15 | ||||
| Mega Invesco Ltd. | $366,444,180 | 1.70% | 2,035,801 | Shares | Defined | 2026-05-12 | ||||
| Mega DIMENSIONAL FUND ADVISORS LP | $353,675,520 | 1.64% | 1,964,864 | Shares | Sole | 2026-05-07 | ||||
| Mega VICTORY CAPITAL MANAGEMENT INC | $350,429,760 | 1.63% | 1,946,832 | Shares | Other | 2026-05-15 | ||||
| Large Boston Partners | $317,642,580 | 1.48% | 1,764,681 | Shares | Other | 2026-05-11 | ||||
| Mega JPMORGAN CHASE & CO | $316,122,480 | 1.47% | 1,756,236 | Shares | Other | 2026-05-13 | ||||
| Mega NORTHERN TRUST CORP Bank | $291,678,660 | 1.36% | 1,620,437 | Shares | Defined | 2026-05-14 | ||||
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $266,176,800 | 1.24% | 1,478,760 | Shares | Sole | 2026-05-15 | ||||
| Large LORD, ABBETT & CO. LLC | $259,359,660 | 1.21% | 1,440,887 | Shares | Sole | 2026-05-14 | ||||
| Mega GOLDMAN SACHS GROUP INC | $256,946,760 | 1.19% | 1,427,482 | Shares | Defined | 2026-05-15 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $241,242,120 | 1.12% | 1,340,234 | Shares | Defined | 2026-05-18 | ||||
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $219,597,660 | 1.02% | 1,219,987 | Shares | Defined | 2026-05-13 | ||||
| Large Robeco Institutional Asset Management B.V. | $215,505,000 | 1.00% | 1,197,250 | Shares | Defined | 2026-04-21 | ||||
| Large ROYAL LONDON ASSET MANAGEMENT LTD | $197,887,500 | 0.92% | 1,099,375 | Shares | Sole | 2026-05-01 | ||||
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $196,092,720 | 0.91% | 1,089,404 | Shares | Defined | 2026-05-15 | ||||
| Mega HSBC HOLDINGS PLC | $189,266,400 | 0.88% | 1,051,480 | Shares | Defined | 2026-04-30 | ||||
| Mega FIL Ltd | $188,957,700 | 0.88% | 1,049,765 | Shares | Defined | 2026-05-15 | ||||
| Mega Nuveen, LLC | $169,473,780 | 0.79% | 941,521 | Shares | Defined | 2026-04-30 | ||||
| Mega Bank of New York Mellon Corp Bank | $168,945,300 | 0.79% | 938,585 | Shares | Defined | 2026-05-05 | ||||
| Large Thrivent Financial for Lutherans | $162,255,240 | 0.75% | 901,418 | Shares | Sole | 2026-05-01 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $139,584,960 | 0.65% | 775,472 | Shares | Defined | 2026-05-08 | ||||
| Large Caisse de depot et placement du Quebec | $137,128,140 | 0.64% | 761,823 | Shares | Sole | 2026-05-14 | ||||
| Large LSV ASSET MANAGEMENT | $128,662,200 | 0.60% | 714,790 | Shares | Sole | 2026-05-11 | ||||
| Mega Legal & General Group Plc | $123,865,920 | 0.58% | 688,144 | Shares | Defined | 2026-05-08 | ||||
| Mega DEUTSCHE BANK AG\ Bank | $108,666,180 | 0.51% | 603,701 | Shares | Defined | 2026-05-06 | ||||
| Large BESSEMER GROUP INC | $97,598,700 | 0.45% | 542,215 | Shares | Defined | 2026-05-06 | ||||
| Large STIFEL FINANCIAL CORP | $97,412,220 | 0.45% | 541,179 | Shares | Defined | 2026-05-12 | ||||
| Large STOREBRAND ASSET MANAGEMENT AS | $93,315,960 | 0.43% | 518,422 | Shares | Sole | 2026-05-05 | ||||
| Mega NEUBERGER BERMAN GROUP LLC | $92,614,860 | 0.43% | 514,527 | Shares | Defined | 2026-05-14 | ||||
| Mega CITADEL ADVISORS LLC | $92,265,480 | 0.43% | 512,586 | Shares | Defined | 2026-05-15 | ||||
| Large Bridgewater Associates, LP | $78,854,220 | 0.37% | 438,079 | Shares | Sole | 2026-05-15 | ||||
| Mega Swiss National Bank Bank | $73,278,000 | 0.34% | 407,100 | Shares | Sole | 2026-05-07 | ||||
| Large AustralianSuper Pty Ltd | $73,250,100 | 0.34% | 406,945 | Shares | Sole | 2026-05-07 | ||||
| Mega UBS Group AG | $69,136,920 | 0.32% | 384,094 | Shares | Defined | 2026-05-05 | ||||
| Mega ALLIANCEBERNSTEIN L.P. | $65,395,620 | 0.30% | 363,309 | Shares | Defined | 2026-05-15 | ||||
| Mega AMERIPRISE FINANCIAL INC | $63,929,880 | 0.30% | 355,166 | Shares | Defined | 2026-05-15 | ||||
| Small Bornite Capital Management LP | $63,000,000 | 0.29% | 350,000 | Shares | Sole | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $62,226,000 | 0.29% | 345,700 | Call | Other | 2026-05-15 | ||||
| Large Allianz Asset Management GmbH | $62,003,160 | 0.29% | 344,462 | Shares | Defined | 2026-05-11 | ||||
| Mega AQR CAPITAL MANAGEMENT LLC | $61,636,680 | 0.29% | 342,426 | Shares | Other | 2026-05-15 | ||||
| Large DANSKE BANK A/S Bank | $61,620,120 | 0.29% | 342,334 | Shares | Sole | 2026-05-12 | ||||
| Mid SAPIENT CAPITAL LLC | $59,865,120 | 0.28% | 332,584 | Shares | Sole | 2026-04-08 | ||||
| Mega Amundi | $59,728,680 | 0.28% | 331,826 | Shares | Defined | 2026-05-18 | ||||
| Mega SCHRODER INVESTMENT MANAGEMENT GROUP | $57,898,260 | 0.27% | 321,657 | Shares | Sole | 2026-05-14 | ||||
| Mega Sumitomo Mitsui Trust Group, Inc. | $56,579,580 | 0.26% | 314,331 | Shares | Defined | 2026-04-30 | ||||
| Mega Mitsubishi UFJ Asset Management Co., Ltd. | $56,287,080 | 0.26% | 312,706 | Shares | Defined | 2026-05-12 | ||||
| Mega National Pension Service Pension | $56,004,300 | 0.26% | 311,135 | Shares | Sole | 2026-05-12 | ||||
| Mega Vanguard Global Advisers, LLC | $55,084,320 | 0.26% | 306,024 | Shares | Defined | 2026-05-08 | ||||
| Mega California Public Employees Retirement System Pension | $53,662,500 | 0.25% | 298,125 | Shares | Sole | 2026-05-06 | ||||
| Mega BARCLAYS PLC | $51,558,660 | 0.24% | 286,437 | Shares | Defined | 2026-05-15 | ||||
| Mega BANK OF MONTREAL /CAN/ Bank | $48,692,160 | 0.23% | 270,512 | Shares | Defined | 2026-05-13 | ||||
| Mid Castle Hook Partners LP | $48,528,180 | 0.23% | 269,601 | Shares | Sole | 2026-05-15 | ||||
| Mega VAN ECK ASSOCIATES CORP | $47,746,980 | 0.22% | 265,261 | Shares | Sole | 2026-05-15 | ||||
| Mega ENVESTNET ASSET MANAGEMENT INC | $47,717,640 | 0.22% | 265,098 | Shares | Sole | 2026-05-04 | ||||
| Mid KAMES CAPITAL plc | $46,417,320 | 0.22% | 257,874 | Shares | Sole | 2026-04-16 | ||||
| Mega RHUMBLINE ADVISERS | $46,042,380 | 0.21% | 255,791 | Shares | Sole | 2026-05-12 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $45,883,080 | 0.21% | 254,906 | Shares | Defined | 2026-05-12 | ||||
| Mega VANGUARD ASSET MANAGEMENT, Ltd | $44,029,980 | 0.20% | 244,611 | Shares | Defined | 2026-05-08 | ||||
| Large Qube Research & Technologies Ltd | $43,854,300 | 0.20% | 243,635 | Shares | Sole | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $42,192,000 | 0.20% | 234,400 | Put | Other | 2026-05-15 | ||||
| Mega CITIGROUP INC | $41,602,140 | 0.19% | 231,123 | Shares | Defined | 2026-05-11 | ||||
| Mega RAYMOND JAMES FINANCIAL INC | $41,279,940 | 0.19% | 229,333 | Shares | Defined | 2026-05-14 | ||||
| Large PFA Pension, Forsikringsaktieselskab Pension | $40,143,600 | 0.19% | 223,020 | Shares | Sole | 2026-04-28 | ||||
| Large Balyasny Asset Management L.P. | $40,009,680 | 0.19% | 222,276 | Shares | Sole | 2026-05-15 | ||||
| Large Swedbank AB Bank | $38,680,020 | 0.18% | 214,889 | Shares | Defined | 2026-04-29 | ||||
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $36,540,000 | 0.17% | 203,000 | Shares | Sole | 2026-05-15 | ||||
| Mega WELLS FARGO & COMPANY/MN | $34,510,320 | 0.16% | 191,724 | Shares | Defined | 2026-05-11 | ||||
| Mega FRANKLIN RESOURCES INC | $34,347,780 | 0.16% | 190,821 | Shares | Defined | 2026-05-13 | ||||
| Mega ROYAL BANK OF CANADA Bank | $34,091,820 | 0.16% | 189,399 | Shares | Defined | 2026-05-15 | ||||
| Mega FIRST TRUST ADVISORS LP | $33,327,900 | 0.15% | 185,155 | Shares | Sole | 2026-05-13 | ||||
| Large Connor, Clark & Lunn Investment Management Ltd. | $32,657,940 | 0.15% | 181,433 | Shares | Sole | 2026-05-11 | ||||
| Large Baird Financial Group, Inc. | $30,775,680 | 0.14% | 170,976 | Shares | Defined | 2026-05-14 | ||||
| Mega PRINCIPAL FINANCIAL GROUP INC | $30,409,200 | 0.14% | 168,940 | Shares | Defined | 2026-05-04 | ||||
| Small WINMILL & CO. INC | $30,374,460 | 0.14% | 168,747 | Shares | Defined | 2026-05-14 | ||||
| Mid PBU - The Pension Fund of Early Childhood & Youth Educators Pension | $29,526,840 | 0.14% | 164,038 | Shares | Sole | 2026-04-10 | ||||
| Mid Hosking Partners LLP | $29,437,020 | 0.14% | 163,539 | Shares | Sole | 2026-04-21 | ||||
| Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $29,088,000 | 0.14% | 161,600 | Shares | Sole | 2026-05-18 | ||||
| Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Bank | $28,908,000 | 0.13% | 160,600 | Call | Defined | 2026-05-15 | ||||
| Large Aberdeen Group plc | $28,827,540 | 0.13% | 160,153 | Shares | Defined | 2026-04-29 | ||||
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $27,778,140 | 0.13% | 154,323 | Shares | Defined | 2026-05-15 | ||||
| Large Ninety One UK Ltd | $27,487,800 | 0.13% | 152,710 | Shares | Sole | 2026-04-24 | ||||
| Large DekaBank Deutsche Girozentrale Bank | $25,723,080 | 0.12% | 142,906 | Shares | Defined | 2026-05-07 | ||||
| Mega JANE STREET GROUP, LLC | $24,291,000 | 0.11% | 134,950 | Shares | Defined | 2026-05-12 | ||||
| Mid BI Asset Management Fondsmaeglerselskab A/S | $23,955,300 | 0.11% | 133,085 | Shares | Defined | 2026-04-16 | ||||
| Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension | $23,678,280 | 0.11% | 131,546 | Shares | Sole | 2026-05-08 | ||||
| Large STRS OHIO | $22,855,140 | 0.11% | 126,973 | Shares | Sole | 2026-04-24 | ||||
| Large Ensign Peak Advisors, Inc | $22,633,560 | 0.11% | 125,742 | Shares | Sole | 2026-05-13 | ||||
| Large SEI INVESTMENTS CO | $22,616,640 | 0.11% | 125,648 | Shares | Sole | 2026-05-13 | ||||
| Large NATIONAL BANK OF CANADA /FI/ Bank | $22,471,200 | 0.10% | 124,840 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||