Steel Dynamics, Inc. (STLD) Institutional Ownership & Insider Trading

1,018 institutions reported holding Steel Dynamics, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 14 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-09-30 · read by EquiReason

STLDSteel Dynamics, Inc.Follow STLD — free

Steel · Basic Materials

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Market cap: 34.3B
P/E TTM: 17.8
Dividend yield: 0.9%
52-week: —
Next earnings: 25 Jan, in 93 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

1,018 institutions held 83.8% of the shares. Across filers that reported both quarters, shares held changed -0.9%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	1,018	119	-0.9%	282	123	326	46
Mar 26	926	118	-0.7%	287	89	280	72
Dec 25	895	119	-0.0%	228	116	253	36
Sep 25	782	112	-3.1%	214	59	263	66
Jun 25	800	118	-2.9%	232	66	280	59
Mar 25	782	118	-1.5%	236	81	254	73
Dec 24	765	123	-2.1%	246	53	246	77
Sep 24	765	121	-6.9%	209	60	275	62

Steel Dynamics, Inc. — questions

Who owns Steel Dynamics, Inc. stock?: 1,018 institutions reported Steel Dynamics, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (8.7%), VANGUARD CAPITAL MANAGEMENT LLC (6.3%), FMR LLC (5.4%).
Are Steel Dynamics, Inc. insiders buying or selling?: 14 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Steel Dynamics, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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