IONR vs SGML vs PKX Stock Comparison

Ioneer, Sigma Lithium and Posco Holdings Prices as of Oct 28, 2026 Peers: Industry group
IONR ioneer Ltd
$2.80 -10.5% 1M -40.7% 1Y
Market cap
$187.22M
P/E
–
Revenue (TTM)
—
Div. yield
–
Lithium Basic Materials
SGML Sigma Lithium Corp
$8.30 -12.6% 1M +49.0% 1Y
Market cap
$924.64M
P/E
–
Revenue (TTM)
$142.49M
Div. yield
–
Lithium Basic Materials
3 wins
PKX Posco Holdings Inc.
$52.15 -10.0% 1M -7.2% 1Y
Market cap
$3.94B
P/E
4.2x
Revenue (TTM)
$37.16B
Div. yield
2.95%
Steel Basic Materials
6 wins

Head to Head

9 decided of 12

Posco Holdings leads on 6 of the 12 questions below (Posco Holdings 6, Sigma Lithium 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionIONRSGMLPKXLeader
Larger companyMarket capitalisation $187.22M $924.64M $3.94B PKX
Cheaper on earningsLower P/E, profitable companies only — -33.5x 4.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 26.8x 10.6x PKX
Faster revenue growthRevenue growth, trailing twelve months — +7.3% -27.8% SGML
More profitableNet margin, trailing twelve months — -19.3% 2.5% PKX
Better return on capitalReturn on invested capital — 0.0% 3.0% PKX
Less leveragedLower net debt / EBITDA — 7.6x — –
Higher dividend yieldTrailing dividend yield — — 2.95% –
Better 1-year returnPrice return, last 12 months -40.7% +49.0% -7.2% SGML
Better 5-year returnAnnualised price return, 5 years — -0.5%/yr -3.8%/yr SGML
Less volatileAnnualised volatility, 1 year 79.3% 111.9% 45.0% PKX
Higher overall scoreMean of the five percentile scores vs peers — 42/100 69/100 PKX

Percentile Scorecard

IONRSGMLPKX

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisIONRSGMLPKX
Valuation – 40 #98 of 162 89 #19 of 162
Growth – 77 #34 of 147 38 #92 of 147
Profitability – 46 #66 of 122 51 #60 of 122
Financial Health 98 #4 of 164 6 #154 of 164 79 #35 of 164
Shareholder Returns – – 86 #16 of 107
Overall – 42 69
  • IONR ranked among 176 companies in Metals and Mining
  • SGML ranked among 176 companies in Metals and Mining
  • PKX ranked among 176 companies in Metals and Mining

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodIONRSGMLPKXSPY
1 month -10.5%-12.6%-10.0% +0.9%
3 months -13.0%-11.4%+7.1% +5.9%
6 months -28.4%-61.9%-31.7% +8.5%
Year to date -41.7%-37.1%-2.0% +13.3%
1 year -40.7%+49.0%-7.2% +12.4%
3 years -25.1%-70.1%-33.1% +88.1%
3 years, per year -9.2%-33.1%-12.6% +23.5%
5 years —-2.4%-17.6% +68.2%
5 years, per year —-0.5%-3.8% +11.0%
10 years ——+2.0% +263.4%
10 years, per year ——+0.2% +13.8%

Risk

MeasureIONRSGMLPKXSPY
Volatility, 1Y 79.3%111.9%45.0% 12.7%
Downside volatility, 1Y 76.8%98.8%43.3% 12.7%
Beta vs S&P 500, 1Y 1.452.161.42 1.00
Return / volatility, 1Y -0.510.44-0.16 0.98
Max drawdown, 5Y -87.8%-89.9%-69.8% -25.4%
From 52-week high -56.2%-64.9%-43.1% -0.9%
52-week high $6.39$23.65$91.72 $779.14
52-week low $2.55$4.68$48.69 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleIONRSGMLPKX
P/E now vs peer median —median 13.4x -33.5xmedian 13.4x 4.2xmedian 13.4x
P/S now vs peer median —median 3.2x 6.5xmedian 3.2x 0.1xmedian 3.2x
EV/EBITDA now vs peer median —median 7.3x 40.8xmedian 7.3x —median 7.3x
P/FCF now vs peer median —median 14.8x 38.0xmedian 14.8x -0.9xmedian 14.8x
P/B now vs peer median 0.7xmedian 2.3x 11.2xmedian 2.3x 0.1xmedian 2.3x
PEG now vs peer median —median 0.31 -0.82median 0.31 -16.18median 0.31

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsIONRSGMLPKX
Revenue – $142.49M $37.16B
Gross profit – $70.02M $3.86B
Operating income – $10.66M $1.39B
Net income – -$27.56M $1.47B
Free cash flow – $24.30M -$4.45B
EPS (diluted) – $-0.25 $12.52
Cash & equivalents $58.84M $16.66M –
Total debt – $226.73M $749.60M
Shares (diluted) 60.35M 111.31M 75.62M
Enterprise value $52.83M $891.81M $8.29B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricIONRSGMLPKX
P/E – -33.5x 4.2x
P/FCF – 38.0x -0.9x
P/Operating cash flow – 24.5x –
P/S – 6.5x 0.1x
P/B 0.7x 11.2x 0.1x
P/Tangible book 0.7x 11.2x 0.1x
EV/EBITDA – 40.8x –
EV/EBIT – 106.5x 3.4x
EV/Revenue – 8.0x 0.1x
EV/FCF – 46.7x -1.1x
EV/Operating cash flow – 30.0x –
PEG (3Y EPS CAGR) – -0.82 -16.18

Growth

14 metrics
MetricIONRSGMLPKX
Revenue growth (1Y) – 7.3% -27.8%
Revenue CAGR (3Y) – – -15.1%
Gross profit growth (1Y) – 130.5% 0.1%
Gross profit CAGR (3Y) – – -2.3%
Operating income growth (1Y) – 40.5% 49.9%
Operating income CAGR (3Y) – – -38.2%
Net income growth (1Y) – 42.1% 297.8%
Net income CAGR (3Y) – 39.5% 7.9%
EPS growth (1Y) – 42.6% 163.2%
EPS CAGR (3Y) – 41.0% -0.3%
Operating cash flow growth (1Y) – 148.2% –
Operating cash flow CAGR (3Y) – 41.2% –
Free cash flow growth (1Y) – 14,876% 27.9%
Free cash flow CAGR (3Y) – 30.3% -34.8%

Profitability

14 metrics
MetricIONRSGMLPKX
Gross margin – 49.1% 10.4%
EBITDA margin – 19.5% –
Operating margin – 7.5% 3.7%
Pretax margin – -6.9% 3.5%
Net margin – -19.3% 2.5%
FCF margin – 17.1% -12.0%
Operating cash flow margin – 26.5% –
Return on equity – -17.5% 3.4%
Return on assets – -3.4% 3.1%
Return on invested capital – 0.0% 3.0%
Return on capital employed – 7.9% 4.1%
Asset turnover – 0.4x 1.1x
Cash conversion (OCF / net income) – -1.4x –
Stock comp / revenue – 7.8% –

Financial Health

11 metrics
MetricIONRSGMLPKX
Debt / assets – 47.4% 2.2%
Debt / equity – 2.8x 0.0x
Net debt / EBITDA – 7.6x –
Debt / FCF – 9.3x -0.2x
Liabilities / assets 0.9% 82.8% 7.7%
Equity / assets 99.1% 17.2% 92.3%
Interest coverage – – 0.5x
Current ratio 25.8x 0.3x –
Quick ratio 25.8x 0.2x –
Cash ratio 25.6x 0.1x –
Altman Z-score – 0.55 –

Shareholder Returns

7 metrics
MetricIONRSGMLPKX
Dividend yield – – 3.0%
Net buyback yield – – –
Shareholder yield – – 3.0%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusIONRSGMLPKX
Forward P/E – 26.8xFY2026 10.6xFY2026
EPS, next fiscal year $0.00FY2026 $0.31FY2026 $4.90FY2026
EPS growth, next FY – – +245.1%FY2026
EPS growth, the year after – +419.4% +14.7%
Revenue, next fiscal year $717.29KFY2026 $174.11MFY2026 $52.03BFY2026
Revenue growth, next FY +9.8%FY2026 +58.3%FY2026 +7.4%FY2026
Revenue growth, the year after -100.0% +144.1% +3.5%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersIONRSGMLPKX
Held by institutions 3.9% 33.1% 17.7%
Institutions holding 34 119 181
Change in shares held, QoQ -10.1% +9.7% +38.2%
Institutions buying 20 65 131
Institutions selling 5 40 30
Buyers to sellers 4.00 1.63 4.37

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

IONRSGMLPKX
IONR 1.00 0.33 0.08
SGML 0.33 1.00 0.27
PKX 0.08 0.27 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, IONR, SGML and PKX?

Posco Holdings (PKX) is the largest by market capitalisation: Ioneer (IONR) $187.22M, Sigma Lithium (SGML) $924.64M, Posco Holdings (PKX) $3.94B.

Which company is growing faster?

Sigma Lithium (SGML) grew revenue fastest over the trailing twelve months: Sigma Lithium (SGML) +7.3%, Posco Holdings (PKX) -27.8%.

Which company is more profitable?

Posco Holdings (PKX) has the highest net margin (Sigma Lithium (SGML) -19.3%, Posco Holdings (PKX) 2.5%). On return on invested capital, Posco Holdings (PKX) leads (Sigma Lithium (SGML) 0.0%, Posco Holdings (PKX) 3.0%).

Which stock has performed better?

Over the past year Sigma Lithium (SGML) returned the most: Ioneer (IONR) -40.7%, Sigma Lithium (SGML) +49.0%, Posco Holdings (PKX) -7.2%. Over five years, Sigma Lithium (SGML) compounded fastest (Sigma Lithium (SGML) -0.5%/yr, Posco Holdings (PKX) -3.8%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Posco Holdings (PKX) 2.95%. Ioneer (IONR) and Sigma Lithium (SGML) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Posco Holdings (PKX) has been the steadiest (Ioneer (IONR) 79.3%, Sigma Lithium (SGML) 111.9%, Posco Holdings (PKX) 45.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, IONR, SGML and PKX?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Posco Holdings (PKX) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.