No ASX ETF holds Amer. Tungsten (AT4) as of 15 Oct 2026. Over the last 3 months it rose 23.5%: on $10,000, +$2353. We explain 6 big moves in that time.
About AT4
- SectorMaterials
- IndustryMaterials
- Size$103.8m
- Held by0 ETFs
- Big moves6 in 3M
Each dot is a move we explain. Tap one, or a row of Why it moved, to see what caused it.
Why it moved
- +11.1%peak +13.0%21 Sep 2026· Operational
Growing retail and analyst interest in AT4's US antimony and critical minerals projects appears to have driven speculative buying, pushing the stock up sharply without a formal company announcement.
- +10.1%peak +23.2%21 Aug 2026· Regulatory
AT4 surged after the U.S. Department of Energy announced funding related to domestic antimony supply, validating the company's strategic positioning in a critical mineral the U.S. is actively trying to secure.
- −11.0%peak −13.7%17 Aug 2026· Capital Raise
The stock likely fell due to selling pressure following a recent capital raise, as evidenced by a cleansing notice filed on 10 August 2026, with no offsetting sector tailwind despite materials peers rising on the day.
- +17.7%10 Aug 2026· Takeover / M&A
American Tungsten & Antimony confirmed awareness that a US acquisition deal will impact the value of its securities, driving a significant share price increase.
- +24.0%peak +28.0%7 Aug 2026· Operational
American Tungsten & Antimony's stock surged after announcing the acquisition of a refinery and initiating restart and expansion planning for its Del Sol facility, positioning it as a US critical minerals supplier amid strong policy tailwinds.
- +19.5%peak +31.7%29 Jul 2026· Takeover / M&A
AT4 surged after announcing the acquisition of a Nevada critical metals refinery, positioning the company as a US-based processor of strategically important tungsten and antimony at a time of tightening supply chains
Held by 0 ETFs
No ETF we track holds AT4 directly.
Other Materials companies
- PRUPerseus Mining79 ETFs
- EUREuropean72 ETFs
- RIORio Tinto62 ETFs
- ELVElevra Lithium60 ETFs
- NEMNewmont59 ETFs
- RMSRamelius55 ETFs
- ORAOrora54 ETFs
- RSGResolute Mining49 ETFs
Why did AT4 rise 11.1% on 21 Sep 2026?
Amer. Tungsten
Growing retail and analyst interest in AT4's US antimony and critical minerals projects appears to have driven speculative buying, pushing the stock up sharply without a formal company announcement.
There are no company announcements in the detection window, and the Materials sector actually fell on the same day (-0.79%), ruling out sector tailwinds as a driver. However, multiple news outlets published bullish coverage of AT4's US antimony and critical minerals strategy in the days leading up to the move (Sept 14-18), with headlines explicitly stating 'the US Antimony Story Just Became Real', suggesting accumulated retail investor interest finally translated into a price surge. The moderate volume ratio (1.65x) and absence of a formal catalyst lower confidence — this looks like news-driven speculative momentum rather than a hard fundamental event.
Written by a language model from the evidence below, and it can be wrong. Tell us and we will fix or remove it. General information only, not financial product advice. It does not consider your objectives, finances or needs. Past performance is not a guide to future performance.
Evidence
News coverage
Sector / macro signals