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Compare · NB vs RIO

NB vs RIO

Side-by-side comparison of NioCorp Developments Ltd. (NB) and Rio Tinto Plc (RIO): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both NB and RIO operate in Metal Mining (Basic Materials), so they compete in similar markets.
  • RIO is the larger of the two at $140.26B, about 152.9x NB ($917.2M).
  • Over the past year, NB is up 151.8% and RIO is up 89.8% - NB leads by 62.0 points.
  • NB has been more active in the news (6 items in the past 4 weeks vs 2 for RIO).
  • RIO has more recent analyst coverage (25 ratings vs 1 for NB).
PerformanceNB+151.80%RIO+89.77%
2025-06-03+0.00%2026-06-02
MetricNBRIO
Company
NioCorp Developments Ltd.
Rio Tinto Plc
Price
$6.29+2.86%
$111.69+2.52%
Market cap
$917.2M
$140.26B
1M return
+4.05%
+10.98%
1Y return
+151.80%
+89.77%
Industry
Metal Mining
Metal Mining
Exchange
NASDAQ
NYSE
IPO
2002
News (4w)
6
2
Recent ratings
1
25
RIO

Rio Tinto Plc

Rio Tinto Group engages in exploring, mining, and processing mineral resources worldwide. The company offers aluminum, copper, diamonds, gold, borates, titanium dioxide, salt, iron ore, and uranium. It also owns and operates open pit and underground mines, mills, refineries, smelters, power stations, and research and service facilities. The company was founded in 1873 and is headquartered in London, the United Kingdom.

Latest NB

Latest RIO