What is the 13F Pro Quality Score for STLD?

13F Pro ranks STEEL DYNAMICS INC (STLD) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View STLD's current score at https://13fpro.ai/research/STLD (free sign-up required for the full ranking).

Which hedge funds own the most STLD stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of STLD include BlackRock,, VANGUARD CAPITAL MANAGEMENT, STATE STREET. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/STLD as soon as new 13F filings post.

Where does 13F Pro source STLD data?

All STEEL DYNAMICS INC fundamentals and ownership data come directly from SEC EDGAR. STEEL DYNAMICS INC files with the SEC under CIK 1022671. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is STLD in?

STEEL DYNAMICS INC (STLD) is classified in the Materials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/materials.

How often is STLD research updated on 13F Pro?

STLD's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

STEEL DYNAMICS INC(STLD)Stock Analysis

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13F Pro Quality Score

56.0/100

Rank #1,124 of 2,879 stocksTOP 50%

View Materials peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

29.8/100

Profitability

49.4/100

Balance Sheet

82.1/100

Earnings Quality

13.3/100

Free Cash Flow

41.3/100

Institutional Flow

62.6/100

Revenue Scale

92.6/100

Dilution Risk

79.4/100

STLD Stock Analysis & AI Quality Score

AI stock analysis and institutional research for STEEL DYNAMICS INC (STLD), a Materials sector company. 13F Pro's AI-powered ranking engine scores STLD at 56.0/100 on a 32-signal composite quality model, placing it at rank #1,124 of 2,879 stocks — the top half of the AI-ranked universe. STLD scores in the top quartile across revenue scale (92.6), balance sheet strength (82.1). Areas of concern include earnings quality (13.3) and revenue growth (29.8), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), STEEL DYNAMICS INC reports quarterly revenue of $5.2B, net income of $403.4M, an operating margin of 10.3%. Top institutional holders of STLD by reported 13-F value include BlackRock,, VANGUARD CAPITAL MANAGEMENT, STATE STREET, based on the most recent SEC filings. STLD trades on the Nasdaq exchange and files with the SEC under CIK 1022671. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate STLD daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for STEEL DYNAMICS INC directly from SEC EDGAR. STEEL DYNAMICS INC's 13F Pro composite quality score has ranged between 8 and 83 since 2021, currently 56.0 — an improving long-term trajectory across 56 quarterly and live scoring snapshots.

Revenue

Q1 2026

$5.2B

Net Income

Q1 2026

$403.4M

Free Cash Flow

Q1 2026

$10.3M

Operating Margin

Q1 2026

10.3%

D/E Ratio

Q1 2026

0.46

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+3.6% YoY

$18.18BFY 2025

FY21 $18.41BFY22 $22.26BFY24 $17.54BFY25 $18.18B

Net Income

-22.9% YoY

$1.19BFY 2025

FY21 $3.21BFY22 $3.86BFY24 $1.54BFY25 $1.19B

Operating Income

-24.0% YoY

$1.48BFY 2025

FY21 $4.30BFY22 $5.09BFY24 $1.94BFY25 $1.48B

EPS (Diluted)

-18.8% YoY

$7.99FY 2025

FY21 $15.56FY22 $20.92FY24 $9.84FY25 $7.99

Total Assets

+9.9% YoY

$16.42BFY 2025

FY21 $12.53BFY22 $14.16BFY24 $14.94BFY25 $16.42B

Total Debt

+15.8% YoY

$4.23BFY 2025

FY21 $3.20BFY22 $3.13BFY24 $3.66BFY25 $4.23B

Op. Cash Flow

-21.4% YoY

$1.45BFY 2025

FY21 $2.20BFY22 $4.46BFY24 $1.84BFY25 $1.45B

Metric	FY 2025	FY 2024	FY 2022	FY 2021	FY 2017	FY 2016
Revenue	$18.18B +3.6%	$17.54B -21.2%	$22.26B +20.9%	$18.41B +93.0%	$9.54B +22.7%	$7.78B
Net Income	$1.19B -22.9%	$1.54B -60.2%	$3.86B +20.2%	$3.21B	—	—
Operating Income	$1.48B -24.0%	$1.94B -61.8%	$5.09B +18.4%	$4.30B +303.1%	$1.07B +46.6%	$728.0M
EPS (Diluted)	$7.99 -18.8%	$9.84 -53.0%	$20.92 +34.4%	$15.56 +363.1%	$3.36 +115.4%	$1.56
Total Assets	$16.42B +9.9%	$14.94B +5.5%	$14.16B +13.0%	$12.53B +82.8%	$6.86B +6.7%	$6.42B
Total Debt	$4.23B +15.8%	$3.66B +16.9%	$3.13B -2.2%	$3.20B +32.6%	$2.41B +0.3%	$2.40B
Operating Cash Flow	$1.45B -21.4%	$1.84B -58.6%	$4.46B +102.4%	$2.20B +198.1%	$739.4M -13.3%	$852.8M

AI Insight: STLD Financial Trends

Steel Dynamics rebounds to record Q1 2026 revenue on operational strength, but operating cash flow remains subdued.

• Revenue surged to $5,205M in Q1 2026, highest in the dataset, up 17.8% from Q1 2025's $4,369M.

• Operating income climbed to $538M in Q1 2026 from $275M in Q1 2025—95.6% year-over-year increase.

• Total debt improved to $4,222M in Q1 2026 from peak of $4,619M in Q1 2025, reducing leverage.

⚠ Operating cash flow collapsed to $148M in Q1 2026 despite strong profitability—lowest in 8 quarters.

⚠ Net income volatility persists: $403M in Q1 2026 follows $266M in Q4 2025, suggesting cyclical headwinds.

AI Insight: STLD Ratio Trends

STLD margins and returns volatile through 2024–25 downcycle, but Q1 2026 shows renewed strength in OpMargin and ROIC.

• Operating margin rebounded to 10.3% in Q1 2026 from 7.0% in Q4 2025; ROIC improved to 16.1% from 9.4% over same span.

• Net profit margin recovered to 7.8% in Q1 2026 versus 6.0% in Q4 2025; ROE jumped to 17.6% from 11.9%.

• Leverage stable at 0.46 D/E in Q1 2026, near 12-quarter lows, supporting balance-sheet strength through cycle.

⚠ Q1 2026 quarter-end metrics exceed TTM averages (OpMargin 10.3% vs. 9.2% TTM), indicating possible upside revisions or seasonality.

⚠ ROIC and OpMargin remain below Q3 2024 peaks (17.1%, 12.1%); sustained recovery needed to confirm cycle exit.

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Available Research

13F Pro tracks comprehensive data for STEEL DYNAMICS INC including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of STLD

BlackRock, Inc.
$2.2B12,394,980 sh
VANGUARD CAPITAL MANAGEMENT LLC
$1.6B8,976,307 sh
STATE STREET CORP
$1.4B7,513,992 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$1.2B6,809,040 sh
FMR LLC
$794.1M4,411,600 sh
GEODE CAPITAL MANAGEMENT, LLC
$687.8M3,834,936 sh
Capital Research Global Investors
$653.6M3,630,842 sh
MORGAN STANLEY
$566.8M3,149,055 sh
Life Cycle Investment Partners Ltd
$485.3M2,696,347 sh
Holocene Advisors, LP
$412.0M2,288,948 sh

Fund	Value	Shares
BlackRock, Inc.	$2.2B	12,394,980
VANGUARD CAPITAL MANAGEMENT LLC	$1.6B	8,976,307
STATE STREET CORP	$1.4B	7,513,992
VANGUARD PORTFOLIO MANAGEMENT LLC	$1.2B	6,809,040
FMR LLC	$794.1M	4,411,600
GEODE CAPITAL MANAGEMENT, LLC	$687.8M	3,834,936
Capital Research Global Investors	$653.6M	3,630,842
MORGAN STANLEY	$566.8M	3,149,055
Life Cycle Investment Partners Ltd	$485.3M	2,696,347
Holocene Advisors, LP	$412.0M	2,288,948

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Is STLD a good stock to buy?

13F Pro's AI-powered analysis of STEEL DYNAMICS INC (STLD) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Materials sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for STLD are available on the STLD stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own STLD?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling STLD. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of STEEL DYNAMICS INC's investment landscape.