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 $113.23B, about 182.6x NB ($620.2M).
- Over the past year, NB is up 34.5% and RIO is up 48.8% - RIO leads by 14.3 points.
- NB has been more active in the news (8 items in the past 4 weeks vs 1 for RIO).
- RIO has more recent analyst coverage (25 ratings vs 2 for NB).
PerformanceNB+34.49%RIO+48.80%
2025-07-18+0.00%2026-07-17
- Company
- NioCorp Developments Ltd.
- Rio Tinto Plc
- Price
- $4.25-2.97%
- $90.14-0.57%
- Market cap
- $620.2M
- $113.23B
- 1M return
- -17.95%
- -14.74%
- 1Y return
- +34.49%
- +48.80%
- Industry
- Metal Mining
- Metal Mining
- Exchange
- NASDAQ
- NYSE
- IPO
- 2002
- News (4w)
- 8
- 1
- Recent ratings
- 2
- 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
- NioCorp to Appear on CNBC's "Squawk Box Asia" Program Today at 8:30 p.m. ET
- SEC Form 4 filed by President & CEO Smith Mark A.
- SEC Form 4 filed by Chief Communications Officer Sims James T.
- SEC Form 4 filed by Chief Operating Officer Honan Scott
- SEC Form 4 filed by Senior VP Business Development Cleave Ernest M.
- SEC Form 4 filed by Chief Financial Officer Shah Neal S.
- NioCorp Developments Ltd. filed SEC Form 8-K: Leadership Update
- The West Wants a Critical-Minerals Supply Chain Outside China. One Nasdaq Company Is Trying to Build a Piece of It in Greenland.
- A Greenland Critical-Minerals Platform Is Taking Shape -- and It Just Pushed Into the Midstream Chokepoint
- A Greenland Mine and an Icelandic Port: Building a Western Answer to the Critical Metals Squeeze
Latest RIO
- Rio Tinto downgraded by Morgan Stanley
- Rio Tinto downgraded by RBC Capital Mkts
- Rio Tinto downgraded by BofA Securities
- SEC Form 6-K filed by Rio Tinto Plc
- Rio Tinto downgraded by Analyst
- Rio Tinto downgraded by Barclays
- Rio Tinto downgraded by Goldman
- SEC Form IRANNOTICE filed by Rio Tinto Plc
- Miners Win as China's Export Ban Triggers 54-Nation Pact Reshaping Critical Minerals
- Rio Tinto downgraded by Morgan Stanley