STLD · NASDAQ · Steel

Steel Dynamics

Runs EAF steel mills, scrap recycling, construction fabrication, and recycled-aluminum rolling.

$234.67
After-hours close+0.09 (+0.04%)
At close$234.58(−0.53%)

Breakdown13F · Form 4

Institutions 113.84%Insiders 6.67%

A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.

Shares outstanding 143.33M · Float 133.64M · 93.2% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
BlackRock, Inc.12.40M8.65%13FAug 7, 2026
Vanguard Capital Management LLC8.90M6.21%13FAug 13, 2026
FMR LLC7.72M5.39%13FAug 13, 2026
State Street Corp7.38M5.15%13FAug 7, 2026
Vanguard Portfolio Management LLC6.76M4.71%13FAug 13, 2026

Institutions13F, as of Jun 30, 2026

1,065 holders · 163.17M shares · 163 new positions · 502 increased · 377 reduced · 75 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.12.40M8.65%+1.5KAug 7, 2026
Vanguard Capital Management LLC8.90M6.21%−74.1KAug 13, 2026
FMR LLC7.72M5.39%+3.31MAug 13, 2026
State Street Corp7.38M5.15%−137.5KAug 7, 2026
Vanguard Portfolio Management LLC6.76M4.71%−53.9KAug 13, 2026
Geode Capital Management, LLC3.78M2.64%−56.7KAug 12, 2026
Capital Research Global Investors3.64M2.54%+9.0KAug 12, 2026
Morgan Stanley3.35M2.33%+196.5KAug 13, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
BlackRock, Inc.7.80%11.91M13GFeb 5, 2025
Vanguard Capital Management7.14%10.35M13GApr 30, 2026
State Street Corporation5.20%7.52M13GMay 12, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Richard P. Jr Teetsdirector5.05M3.53%May 7, 2026
Mark D. Millettdirector, officer: Chairman and CEO3.02M2.10%Jul 28, 2026
Theresa E. Waglerofficer: Executive Vice President & CFO495.0K0.35%Mar 13, 2026
Barry Schneiderofficer: President and COO246.4K0.17%Mar 13, 2026
Glenn Pushisofficer: Senior Vice President134.7K0.09%Jan 12, 2026
Miguel Alvarezofficer: Senior Vice President122.3K0.09%Apr 24, 2026
James Stanley Andersonofficer: Senior Vice President102.8K0.07%Jun 8, 2026
Gabriel Shaheendirector82.5K0.06%Apr 13, 2026
Christopher A. Grahamofficer: Senior Vice President68.7K0.05%May 15, 2026
Traci M. Dolandirector59.0K0.04%Jul 14, 2026

21 people have not refiled in the last 18 months (4.94M shares), so they are not in the figure above

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jun 5, 2026
James Stanley Andersonofficer: Senior Vice President
Sale · 4 lots10,000$268.70102,837
May 13, 2026
Christopher A. Grahamofficer: Senior Vice President
Sale · 3 lots9,000$236.8168,747
May 12, 2026
Richard A. Poinsatteofficer: Senior Vice President
Sale2,300$234.1128,618
Apr 23, 2026
Kenneth W. Cornewdirector
Sale · 2 lots5,000$224.8731,299
Apr 23, 2026
Miguel Alvarezofficer: Senior Vice President
Sale · 3 lots4,825$225.58122,257
Oct 29, 2025
Miguel Alvarezofficer: Senior Vice President
Sale8,251$162.79117,068

CongressHouse and Senate disclosures

MemberTypeAmountOwnerTradedDisclosed
Rep. Ro Khanna · CA17Sale$1,001 – $15,000Jul 7, 2026Aug 12, 2026
Sen. Alan ArmstrongPurchase$1,001 – $15,000JointMar 27, 2026Jul 21, 2026
Rep. Ro Khanna · CA17Purchase$1,001 – $15,000May 1, 2026Jun 11, 2026