No ASX ETF holds Amer. Tungsten (AT4) as of 15 Oct 2026. Over the last year it fell 77.3%: on $10,000, −$7730. We explain 12 big moves in that time.
About AT4
- SectorMaterials
- IndustryMaterials
- Size$103.8m
- Held by0 ETFs
- Big moves12 in 1Y
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
- −19.0%23 Mar 2026· Sector Flow
AT4 shares fell as critical minerals stocks faced sector-wide selling pressure.
- −11.5%11 Mar 2026· Sector Flow
American Tungsten & Antimony shares fell 11.54% on March 10, 2026, as part of a broad sector selloff amid critical minerals uncertainty.
- −17.5%29 Jan 2026· Operational
The stock's 17.5% drop on 2026-01-28 is likely a profit-taking selloff following news of its Utah tungsten mill acquisition, which later saw a rebound on 2026-01-29.
- +14.3%14 Jan 2026· Unknown
No specific news or announcements found to explain the abnormal price movement; likely driven by market speculation or unlisted factors.
- −18.5%5 Nov 2025· Unknown
No articles found; insufficient evidence to explain the sharp decline.
- −12.1%28 Oct 2025· Unknown
No specific cause for the stock decline is identified in the available news article.
Held by 0 ETFs
No ETF we track holds AT4 directly.
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