Steel Dynamics, Inc. (STLD) Ownership

NASDAQ: STLDTop holders, insider trades and short interest.

STLD ownership summary

as of October 18, 2026
Institutions
86.4%
of shares outstanding
Insiders
6.57%
of shares outstanding
Shares outstanding
143.3M
Float
133.5M
shares available to trade
Short interest
3.53%
4.0M shares short
Days to cover
3.98
short interest up 6.4% vs prior month
  • Institutions 86.39%
  • Insiders 6.57%
  • Other investors 7.05%

STLD top institutional holders

20 largest
Steel Dynamics, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc8.65%12.4M$2.98B+1,519 (+0.0%)June 30, 2026
2Vanguard Capital Management, LLC6.21%8.9M$2.14B−74,091 (−0.8%)June 30, 2026
3FMR Inc5.39%7.7M$1.86B+3.3M (+75.0%)June 30, 2026
4State Street Corp5.15%7.4M$1.77B−137,516 (−1.8%)June 30, 2026
5Vanguard Portfolio Management, LLC4.71%6.8M$1.62B−53,936 (−0.8%)June 30, 2026
6Geode Capital Management, LLC2.64%3.8M$908.8M−56,747 (−1.5%)June 30, 2026
7Capital Research Global Investors2.54%3.6M$875.5M+9,036 (+0.2%)June 30, 2026
8Morgan Stanley - Brokerage Accounts2.33%3.3M$804.7M+196,513 (+6.2%)June 30, 2026
9NORGES BANK1.73%2.5M$595.7M−855,570 (−25.7%)June 30, 2026
10Life Cycle Investment Partners Limited1.60%2.3M$553.0M−397,371 (−14.7%)June 30, 2026
11Nordea Investment Mgmt Bank Demark A/s1.57%2.2M$541.0M+32,407 (+1.5%)June 30, 2026
12T. Rowe Price Associates, Inc.1.49%2.1M$512.5M+8,520 (+0.4%)June 30, 2026
13Dimensional Fund Advisors, Inc.1.36%2.0M$470.1M−10,470 (−0.5%)June 30, 2026
14Boston Partners Global Investors, Inc1.29%1.8M$443.5M+79,288 (+4.5%)June 30, 2026
15Amvescap Plc.1.29%1.8M$443.3M−192,716 (−9.5%)June 30, 2026
16JPMorgan Chase & Co1.19%1.7M$410.7M−48,914 (−2.8%)June 30, 2026
17Holocene Advisors, LP1.15%1.6M$396.6M−640,195 (−28.0%)June 30, 2026
18The Goldman Sachs Group Inc1.07%1.5M$367.4M+100,008 (+7.0%)June 30, 2026
19Northern Trust Corp1.03%1.5M$356.0M−140,400 (−8.7%)June 30, 2026
20Charles Schwab Investment Management Inc1.01%1.5M$349.3M−26,525 (−1.8%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 8 holders added 3.7M shares and 12 cut 2.6M.

STLD top mutual fund and ETF holders

20 largest
Steel Dynamics, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.04%4.4M$1.05B−9,405 (−0.2%)August 31, 2026
2Vanguard 500 Index Investor2.47%3.5M$851.1M−62,592 (−1.7%)September 30, 2026
3American Funds Growth Fd of Amer A2.46%3.5M$848.5M—September 30, 2026
4iShares Core S&P 500 ETF1.25%1.8M$431.8M−2,886 (−0.2%)September 30, 2026
5Fidelity 500 Index1.23%1.8M$423.3M+6,757 (+0.4%)August 31, 2026
6State Street® SPDR® S&P 500® ETF1.15%1.7M$397.7M—September 30, 2026
7Vanguard Small Cap Index1.07%1.5M$368.6M−43,625 (−2.8%)September 30, 2026
8State Street®MatSelSectSPDR®ETF1.06%1.5M$366.7M−478 (−0.0%)September 30, 2026
9Vanguard MStar Mid Cap Index Instl1.02%1.5M$350.7M−23,874 (−1.6%)September 30, 2026
10Global X US Infrastructure Dev ETF0.83%1.2M$285.1M+8,280 (+0.7%)September 30, 2026
11Vanguard MStar Small Cap Value Index0.70%997K$239.9M−3,645 (−0.4%)September 30, 2026
12Stt Strt®SPDR®S&P®Mtls &MngETF0.65%927K$223.1M+9,384 (+1.0%)September 30, 2026
13Strategic Advisers Fidelity US TtlStk0.64%912K$219.4M+8,511 (+0.9%)August 31, 2026
14BGF World Mining A20.61%868K$208.8M—June 30, 2026
15Victory Sycamore Established Value R0.57%820K$197.2M−395,000 (−32.5%)June 30, 2026
16Invesco S&P 500® Equal Weight ETF0.57%813K$195.5M−1,710 (−0.2%)September 30, 2026
17Vanguard Dividend Appreciation ETF0.53%762K$183.4M−5,107 (−0.7%)September 30, 2026
18Fidelity Puritan0.50%714K$171.8M—July 31, 2026
19Vanguard Institutional Index I0.50%712K$171.4M−12,198 (−1.7%)September 30, 2026
20Vanguard MStar Value Index Investor0.45%649K$156.0M−5,535 (−0.8%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

STLD insider transactions

latest 8
Steel Dynamics, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-04-23Kenneth W CornewSell$224.875,000$1.1M
2026-04-23Miguel AlvarezSell$225.584,825$1.1M
2026-01-09Gilbert Ray Cisneros, Jr.Buy$169.27——
2025-10-29Miguel AlvarezSell$162.798,251$1.3M
2025-08-04Ro KhannaSell$121.36——
2025-07-30Christopher A GrahamSell$126.7112,000$1.5M
2025-06-06Gabriel ShaheenSell$134.111,254$168,174
2025-05-20Miguel AlvarezSell$135.267,495$1.0M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

STLD shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns STLD

Institutional investors own 86.4% of Steel Dynamics's shares and insiders 6.57%. The largest holder is BlackRock Inc with 8.65% of the shares (12.4M), as of June 30, 2026. Among the top 20 institutions, 8 added shares and 12 reduced their stake in the latest filings. Short interest is 3.53% of the float, or 3.98 days of average trading volume. The share count fell 39.3% since 2014.

Related: STLD analyst forecast, STLD key metrics, STLD dividend history. See the STLD stock overview for the latest quote and news.

STLD ownership FAQ

Who owns the most Steel Dynamics stock?

The largest shareholders of Steel Dynamics are BlackRock Inc (8.65%), Vanguard Capital Management, LLC (6.21%), FMR Inc (5.39%), State Street Corp (5.15%), Vanguard Portfolio Management, LLC (4.71%).

What percentage of Steel Dynamics is owned by institutions?

Institutions hold 86.4% of Steel Dynamics's shares outstanding; insiders hold 6.57%.

Which funds own Steel Dynamics?

The largest fund holders of Steel Dynamics are Vanguard MStar Total Stk Mkt Idx Invest (3.04%), Vanguard 500 Index Investor (2.47%), American Funds Growth Fd of Amer A (2.46%), iShares Core S&P 500 ETF (1.25%), Fidelity 500 Index (1.23%).

What is Steel Dynamics's short interest?

4.0M shares of Steel Dynamics were sold short, 3.53% of the float; at the average daily volume it would take 3.98 days to cover.

Are insiders buying or selling Steel Dynamics?

Of the latest 8 reported insider transactions in Steel Dynamics (since May 20, 2025), 1 were purchases and 7 were sales.

How many shares of Steel Dynamics are outstanding?

Steel Dynamics has 143.3M shares outstanding, of which 133.5M are in the public float.

Steel: ownership