STLD — STEEL DYNAMICS INC
Materials · Steel
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying STLD?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 1 tracked investors who changed their STLD position last quarter, 0 bought and 1 sold (0% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 64/100 in a Overheat regime). 1 congressional purchase, 0 sales disclosed in the last 6 months.
- +5 tracked investors reported holding STLD at their latest filing
- +Macro Health is 56/100 in a Overheat regime — historically acceptable for Materialssource
- −1 tracked investor reduced or exited last quarter (1 reduced, 0 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.
About STEEL DYNAMICS INC (STLD)
STEEL DYNAMICS INC (STLD) appears in the most recent 13F filings of 5 tracked institutional investors. STEEL DYNAMICS INC is classified in the Materials sector (Steel industry). The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $236M. Across recent filings, tracked investors recorded 3 new positions, 3 increased, 5 reduced, and 2 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in STLD
How many top investors track STLD
A small number of top investors own this.
STLD Ownership Composition
How STEEL DYNAMICS INC is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant73.2%
- Macro26.8%
Tracked investors currently reporting STLD
- Ken GriffinJun 30, 2026Citadel AdvisorsShares1MValue$236.3M% Portfolio0.03%
- Ray DalioJun 30, 2026Bridgewater AssociatesShares378.5KValue$86.8M% Portfolio0.36%
- Steve CohenJun 30, 2026Point72 Asset ManagementShares15.9KValue$3.6M% Portfolio0.00%
- Izzy EnglanderJun 30, 2026Millennium ManagementShares68.4KValue$15.7M% Portfolio0.01%
- Paul Tudor JonesJun 30, 2026Tudor Investment CorpShares30.2KValue$6.9M% Portfolio0.01%
Recent activity
- Reduced$11.3M(-40.23%)Feb 14, 2024
- Reduced$13.8M(-2.50%)May 14, 2024
- Reduced$11.8M(-1.67%)Aug 14, 2024
- Increased$25.3M(119.29%)Nov 13, 2024
- Increased$26.9M(17.32%)Feb 13, 2025
- Increased$59.3M(101.36%)May 14, 2025
- Reduced$3.4M(-94.36%)Aug 13, 2025
- Sold$0(-100.00%)Nov 13, 2025
- New$78.9MMay 15, 2026
- Reduced$86.8M(-13.60%)Aug 14, 2026
- Sold$0(-100.00%)Aug 14, 2024
- New$17.1MNov 13, 2023
- $870.3KMay 15, 2024
Frequently asked questions
- How many institutional investors hold STLD?
- 5 tracked institutional investors disclosed a position in STLD (STEEL DYNAMICS INC) in their most recent 13F filing.
- Who is the largest institutional holder of STLD?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in STLD, valued at $236M.
- Did institutional ownership of STLD increase or decrease?
- Across recent 13F filings, tracked investors recorded 3 new positions, 3 increased, 5 reduced, and 2 fully exited STLD.
- What sector is STLD in?
- STEEL DYNAMICS INC is classified in the Materials GICS sector, Steel industry.
- Where does this STLD ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.