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STLDMaterialsCommon Stock

Steel Dynamics Inc

Held by 11 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 858119100 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

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In plain English: 11 of the investors we track own this stock. In the latest quarter, 6 of them bought more of it and 4 sold some or all of theirs (2 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
11
+2 vs last quarter (like-for-like)
Total value held
$1.41B
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.2%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$172.36M
+25.6% vs last quarter
Net shares bought
-57.5K
Est. net flow -$13.19M
Quarter activity
6 bought · 4 sold
2 new · 0 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns STLD?

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Who owns STLD? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Norges Bank Norges Bank Investment Management 2.48M $568.22M 0.1% — — — —
2 Boston Partners Boston Partners Global Investors 1.84M $423.56M 0.4% Added +79.3K +4.5% +$18.21M
3 Ken Griffin Citadel Advisors 807.60K $185.31M 0.1% Added +295.0K +57.6% +$67.69M
4 Ray Dalio Bridgewater Associates 378.49K $86.85M 0.4% Reduced -59.6K -13.6% -$13.67M
5 LSV Asset Management LSV Asset Management 327.56K $75.16M 0.1% Reduced -387.2K -54.2% -$88.85M
6 Ken Fisher Fisher Asset Management 133.50K $30.63M 0.0% Added +16.1K +13.7% +$3.70M
7 John Ciampaglia & Eric Sprott Sprott Inc 73.38K $16.84M 0.6% Reduced -22.5K -23.5% -$5.16M
8 Jeremy Grantham GMO 59.24K $13.59M 0.0% Reduced -35.3K -37.3% -$8.10M
9 Israel Englander Millennium Management 44.72K $10.26M 0.0% Added +39.3K +725.2% +$9.02M
10 Bridgeway Bridgeway Capital Management 10.96K $2.51M 0.0% New +11.0K — +$2.51M
11 Two Sigma Two Sigma Investments 6.36K $1.46M 0.0% New +6.4K — +$1.46M

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No tracked manager sold out of this stock this quarter.

Politician trades

Politician trades in STLD

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.