Steel Dynamics Inc
STLD- Exchange
- Nasdaq
- Industry
- Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
- SEC CIK
- 0001022671
No open-market purchases or sales by Steel Dynamics Inc insiders were filed in the last 90 days; 1,023 institutions reported holding it in 13F filings for Q2 2026, worth $27.3B in total; no superinvestor holds it.
Holders of 5% or more of STLD
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Steel Dynamics Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 7.80%11.9M shares | – | Feb 5, 20251 filing | Feb 5, 2025 | SEC |
| Vanguard Capital Management LLC | 13G | 7.14%10.3M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
| State Street Corp | 13G | 5.20%7.52M shares | New | May 12, 20261 filing | May 12, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Steel Dynamics Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 12, 202612:03 PM ET | State Street Corp | 13G | 5.20%7.52M shares | New | Mar 31, 2026 | SEC |
| Apr 30, 20262:06 PM ET | Vanguard Capital Management LLC | 13G | 7.14%10.3M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 20261:19 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 5, 20251:23 PM ET | BlackRock, Inc. | 13G/A | 7.80%11.9M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Steel Dynamics Inc shares.
No Form 144 notices for Steel Dynamics Inc are on file.