Steel Dynamics (STLD) Superinvestor holders
16 of the superinvestors we track hold Steel Dynamics (STLD) in their latest 13F filings, $1.3B in total.
Summary
The largest holder is Mark Donovan (Boston Partners), with $424M, 0.4% of the portfolio.
In their latest quarter: 2 opened a new position, 7 added, 7 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Mark Donovan Boston Partners |
Added | 1,843,969 | $424M | 0.4% | Q2 2026 |
| Brandon Haley Holocene Advisors |
Trimmed | 1,648,753 | $378M | 0.9% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
Trimmed | 378,490 | $87M | 0.4% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | 351,890 | $81M | 0.0% | Q2 2026 |
| Josef Lakonishok LSV Asset Management |
Trimmed | 250,105 | $55M | 0.1% | Q3 2026 |
| David Vogel Voloridge Investment Management |
Added | 224,627 | $52M | 0.2% | Q2 2026 |
| Acadian Acadian Asset Management |
Trimmed | 231,587 | $51M | 0.1% | Q3 2026 |
| Ken Fisher Fisher Investments |
Added | 154,694 | $34M | 0.0% | Q3 2026 |
| Ensign Peak Ensign Peak Advisors |
Trimmed | 121,653 | $28M | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | 119,587 | $27M | 0.1% | Q2 2026 |
| Jennison Associates | Added | 116,865 | $27M | 0.0% | Q2 2026 |
| Man Group Man Group plc |
Added | 114,006 | $26M | 0.0% | Q2 2026 |
| Jeremy Grantham GMO |
Trimmed | 59,239 | $14M | 0.0% | Q2 2026 |
| Two Sigma Two Sigma Investments |
New position | 6,355 | $1M | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
New position | 6,280 | $1M | 0.0% | Q2 2026 |
| Fred DiSanto Ancora Holdings |
Trimmed | 50 | $11,473 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 16 |
| Q1 2026 | 14 |
| Q4 2025 | 15 |
| Q3 2025 | 13 |
| Q2 2025 | 17 |
| Q1 2025 | 16 |
| Q4 2024 | 15 |
| Q3 2024 | 17 |
Questions about Steel Dynamics
Which superinvestors own Steel Dynamics?
16 of the superinvestors we track hold Steel Dynamics (STLD) in their latest 13F filings, $1.3B in total. Mark Donovan, Brandon Haley, Ray Dalio, Cliff Asness, Josef Lakonishok, David Vogel.
Who is the largest superinvestor holder of STLD?
The largest holder is Mark Donovan (Boston Partners), with $424M, 0.4% of the portfolio.
From Steel Dynamics's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.