STEEL DYNAMICS INC - COMMON STOCK (STLD)

CUSIP: 858119100

Q3 2026 13F Holders as of 30 Sep 2026

Holder snapshot 6 signals
Share change
+321,280
SEC-reported price per share
$221.61
Number of holders
37
Value change
+$71,340,553
Number of buys
20
Number of sells
10
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
142,979,854

Security key

858119100

Report period

Q3 2026

Institutions

37

Top holders

10

Ownership snapshot

Top reported holders of STLD - STEEL DYNAMICS INC - COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
28 Jul 2026
13F 13D/G 3/4/5 Lead comparable stake: 7.8% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 7.8%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 7.8%
VANGUARD CAPITAL MANAGEMENT LLC 7.1%
FMR LLC 5.4%
STATE STREET CORP 5.2%
Richard P. Teets Jr. 3.6%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
7.8%
from 13D/G
$2,844,500,589
12,396,499 shares
— 30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F 13D/G
Company · Vanguard Capital Management
7.1%
from 13D/G
$2,042,702,483
8,902,216 shares
— 30 Jun 2026
FMR LLC
13D/G 13F
Company
5.4%
$1,771,640,497
7,720,912 shares
$0 30 Jun 2026
STATE STREET CORP
13F 13D/G
Company · STATE STREET CORPORATION
5.2%
from 13D/G
$1,696,482,301
7,376,476 shares
— 30 Jun 2026
Richard P. Teets Jr.
3/4/5
Director
3.6%
$926,346,780
5,146,371 shares
— 06 May 2026
Mark D. Millett
3/4/5
Chairman and CEO, Director
2.1%
$692,143,373
3,016,401 shares
— 28 Jul 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
37
Shares
981,635
Rows available
37
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
1,020
Q3 2026 holders
37
Holder diff
-983
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %
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