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Compare · IONR vs MLM

IONR vs MLM

Side-by-side comparison of ioneer Ltd (IONR) and Martin Marietta Materials Inc. (MLM): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both IONR and MLM operate in Mining & Quarrying of Nonmetallic Minerals (No Fuels) (Industrials), so they compete in similar markets.
  • MLM is the larger of the two at $37.08B, about 144.0x IONR ($257.4M).
  • Over the past year, IONR is up 5.5% and MLM is up 22.4% - MLM leads by 16.9 points.
  • Both names hit the wire about 2 times in the past 4 weeks.
  • MLM has more recent analyst coverage (25 ratings vs 0 for IONR).
PerformanceIONR+5.46%MLM+22.37%
2025-04-28+0.00%2026-04-24
MetricIONRMLM
Company
ioneer Ltd
Martin Marietta Materials Inc.
Price
$3.86+0.39%
$615.04-0.59%
Market cap
$257.4M
$37.08B
1M return
+10.44%
+4.35%
1Y return
+5.46%
+22.37%
Industry
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
Exchange
NASDAQ
NYSE
IPO
1994
News (4w)
2
2
Recent ratings
0
25
MLM

Martin Marietta Materials Inc.

Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally. It offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; paving products and services; and Portland and specialty cement used in the infrastructure projects, and nonresidential and residential construction markets, as well as in the railroad, agricultural, utility, and environmental industries. The company also manufactures and markets magnesia-based chemical products for the industrial, agricultural, and environmental applications; and dolomitic lime primarily for customers in the steel and mining industries. Its chemical products are used in flame retardants, wastewater treatment, pulp and paper production, and other environmental applications. The company was founded in 1939 and is headquartered in Raleigh, North Carolina.