LAR vs RTNTF vs IONR Stock Comparison

Lithium Argentina AG, Rio Tinto and Ioneer Prices as of Oct 26, 2026 Peers: Industry group
LAR Lithium Argentina AG
$4.16 -24.8% 1M -7.1% 1Y
Market cap
$743.56M
P/E
–
Revenue (TTM)
$225.80M
Div. yield
–
Lithium Basic Materials
RTNTF Rio Tinto Ltd
$101.00 -11.9% 1M +18.8% 1Y
Market cap
$161.67B
P/E
–
Revenue (TTM)
—
Div. yield
–
Iron Ore Basic Materials
5 wins
IONR ioneer Ltd
$2.70 -18.4% 1M -48.0% 1Y
Market cap
$161.49M
P/E
–
Revenue (TTM)
—
Div. yield
–
Lithium Basic Materials

Head to Head

5 decided of 12

Rio Tinto leads on 5 of the 12 questions below (Rio Tinto 5). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionLARRTNTFIONRLeader
Larger companyMarket capitalisation $743.56M $161.67B $161.49M RTNTF
Cheaper on earningsLower P/E, profitable companies only -13.8x — — –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 18.9x 12.2x — RTNTF
Faster revenue growthRevenue growth, trailing twelve months +371.3% — — –
More profitableNet margin, trailing twelve months -23.9% — — –
Better return on capitalReturn on invested capital 0.0% — — –
Less leveragedLower net debt / EBITDA -3.4x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -7.1% +18.8% -48.0% RTNTF
Better 5-year returnAnnualised price return, 5 years -17.1%/yr +7.6%/yr — RTNTF
Less volatileAnnualised volatility, 1 year 74.2% 45.3% 79.5% RTNTF
Higher overall scoreMean of the five percentile scores vs peers 66/100 — — –

Percentile Scorecard

LARRTNTFIONR

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

AxisLARRTNTFIONR
Valuation 71 #47 of 162 – –
Growth 74 #39 of 147 – –
Profitability 41 #73 of 122 – –
Financial Health 74 #43 of 165 27 #121 of 165 98 #4 of 165
Shareholder Returns 72 #31 of 107 – –
Overall 66 – –
  • LAR ranked among 176 companies in Metals and Mining
  • RTNTF ranked among 176 companies in Metals and Mining
  • IONR 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

PeriodLARRTNTFIONRSPY
1 month -24.8%-11.9%-18.4% -0.8%
3 months -29.4%-5.9%-16.1% +3.5%
6 months -58.3%-20.2%-34.3% +7.0%
Year to date -25.4%+2.1%-43.7% +12.2%
1 year -7.1%+18.8%-48.0% +13.0%
3 years -28.4%+38.0%-27.8% +86.3%
3 years, per year -10.5%+11.3%-10.3% +23.1%
5 years -60.9%+44.3%— +68.6%
5 years, per year -17.1%+7.6%— +11.0%
10 years +255.6%+159.9%— +258.0%
10 years, per year +13.5%+10.0%— +13.6%

Risk

MeasureLARRTNTFIONRSPY
Volatility, 1Y 74.2%45.3%79.5% 12.7%
Downside volatility, 1Y 72.6%66.0%76.7% 12.7%
Beta vs S&P 500, 1Y 2.590.881.44 1.00
Return / volatility, 1Y -0.100.42-0.60 1.02
Max drawdown, 5Y -89.5%-41.4%-87.8% -25.4%
From 52-week high -64.7%-24.3%-57.7% -1.8%
52-week high $11.79$133.44$6.39 $779.14
52-week low $3.72$81.39$2.55 $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.

MultipleLARRTNTFIONR
P/E now vs peer median -12.5xmedian 12.8x —median 12.8x —median 12.8x
P/S now vs peer median 3.0xmedian 3.1x —median 3.1x —median 3.1x
EV/EBITDA now vs peer median 3.5xmedian 7.0x —median 7.0x —median 7.0x
P/FCF now vs peer median -33.9xmedian 15.2x —median 15.2x —median 15.2x
P/B now vs peer median 0.8xmedian 2.1x 2.3xmedian 2.1x 0.7xmedian 2.1x
PEG now vs peer median 0.22median 0.29 —median 0.29 —median 0.29

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 monthsLARRTNTFIONR
Revenue $225.80M – –
Gross profit $110.90M – –
Operating income $256.12M – –
Net income -$18.74M – –
Free cash flow -$19.96M – –
R&D $4.53M – –
EPS (diluted) $-0.33 – –
Cash & equivalents $99.72M $8.91B $58.84M
Total debt -$925.15M $78.67B –
Shares (diluted) 162.17M 1.64B 60.35M
Enterprise value $303.14M $124.47B $27.10M

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
MetricLARRTNTFIONR
P/E -12.5x – –
P/FCF -33.9x – –
P/Operating cash flow -33.9x – –
P/S 3.0x – –
P/B 0.8x 2.3x 0.7x
P/Tangible book 0.8x 2.5x 0.7x
EV/EBITDA 3.5x – –
EV/EBIT 3.6x – –
EV/Revenue 1.5x – –
EV/FCF -17.2x – –
EV/Operating cash flow -17.2x – –
PEG (3Y EPS CAGR) 0.22 – –

Growth

14 metrics
MetricLARRTNTFIONR
Revenue growth (1Y) 371.3% – –
Revenue CAGR (3Y) – – –
Gross profit growth (1Y) 32,338% – –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) 213.4% – –
Operating income CAGR (3Y) – – –
Net income growth (1Y) 48.1% – –
Net income CAGR (3Y) -17.8% – –
EPS growth (1Y) 95.8% – –
EPS CAGR (3Y) -57.1% – –
Operating cash flow growth (1Y) 39.6% – –
Operating cash flow CAGR (3Y) 31.4% – –
Free cash flow growth (1Y) 43.8% – –
Free cash flow CAGR (3Y) 31.2% – –

Profitability

14 metrics
MetricLARRTNTFIONR
Gross margin 49.1% – –
EBITDA margin 43.1% – –
Operating margin 113.4% – –
Pretax margin -12.2% – –
Net margin -23.9% – –
FCF margin -8.8% – –
Operating cash flow margin -8.8% – –
Return on equity 1.6% – –
Return on assets 1.2% – –
Return on invested capital 0.0% – –
Return on capital employed 6.9% – –
Asset turnover 0.2x – –
Cash conversion (OCF / net income) 1.1x – –
Stock comp / revenue 6.9% – –

Financial Health

11 metrics
MetricLARRTNTFIONR
Debt / assets -14.7% 16.3% –
Debt / equity -0.2x 0.3x –
Net debt / EBITDA -3.4x – –
Debt / FCF 8.5x – –
Liabilities / assets 27.2% 46.3% 0.9%
Equity / assets 72.8% 53.7% 99.1%
Interest coverage 161.6x – –
Current ratio -2.0x 1.4x 25.8x
Quick ratio -0.7x 0.9x 25.8x
Cash ratio -0.7x 0.6x 25.6x
Altman Z-score 1.63 – –

Shareholder Returns

7 metrics
MetricLARRTNTFIONR
Dividend yield – – –
Net buyback yield -0.2% – –
Shareholder yield -0.2% 0.0% –
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.

ConsensusLARRTNTFIONR
Forward P/E 18.9xFY2026 12.2xFY2026 –
EPS, next fiscal year $0.22FY2026 $8.30FY2026 $0.00FY2026
EPS growth, next FY – +24.1%FY2026 –
EPS growth, the year after +27.3% -3.6% –
Revenue, next fiscal year $0.00FY2026 $66.01BFY2026 $717.29KFY2026
Revenue growth, next FY – +14.5%FY2026 +9.8%FY2026
Revenue growth, the year after – -4.1% -100.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersLARRTNTFIONR
Held by institutions 33.9% – 3.9%
Institutions holding 164 – 34
Change in shares held, QoQ +0.6% – -10.1%
Institutions buying 75 – 20
Institutions selling 48 – 5
Buyers to sellers 1.56 – 4.00

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.

LARRTNTFIONR
LAR 1.00 0.17 0.37
RTNTF 0.17 1.00 0.12
IONR 0.37 0.12 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, LAR, RTNTF and IONR?

Rio Tinto (RTNTF) is the largest by market capitalisation: Lithium Argentina AG (LAR) $743.56M, Rio Tinto (RTNTF) $161.67B, Ioneer (IONR) $161.49M.

Which stock has performed better?

Over the past year Rio Tinto (RTNTF) returned the most: Lithium Argentina AG (LAR) -7.1%, Rio Tinto (RTNTF) +18.8%, Ioneer (IONR) -48.0%. Over five years, Rio Tinto (RTNTF) compounded fastest (Lithium Argentina AG (LAR) -17.1%/yr, Rio Tinto (RTNTF) +7.6%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Rio Tinto (RTNTF) has been the steadiest (Lithium Argentina AG (LAR) 74.2%, Rio Tinto (RTNTF) 45.3%, Ioneer (IONR) 79.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, LAR, RTNTF and IONR?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Rio Tinto (RTNTF) leads on 5. 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.