Skip to main content

Sunshine Silver Mining & Refining Co

corporate_fare Company Profile

Sunshine Silver Mining & Refining Co

SSMR·NYSE·Industrial Applications And Services·CIK 0002091017

Sunshine Silver Mining & Refining Company operates as a silver mining company in the United States. The company owns and develops the Sunshine Mine and the Sunshine Silver/Copper Refinery, along with related facilities such as the Sunshine Tailings Storage Facility and historical antimony refinery grounds. The Sunshine Mine is a historic, permitted, large-scale past-producing silver mine. It has an average diluted silver grade of 1,022 grams per tonne of Indicated Mineral Resources and 776 grams per tonne of Inferred Mineral Resources. The company's principal asset is the Sunshine Complex, located in the Silver Valley in Idaho. Sunshine Silver Mining & Refining Company was founded in 2010 and is headquartered in Kellogg, Idaho.

Sunshine Silver Mining & Refining Co (NYSE:SSMR) is a publicly traded company in the Industrial Applications And Services sector. Wiseek has independently scored 8 items for SSMR at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-09-21, rated 7/10. Across its 8 most recent items scored 7 or higher, the top rating is 9/10, with 3 rated 8 or above. Recent SEC coverage for SSMR spans 8-K, 10-Q, 424B4.

Recent high-impact activity:

  • Sunshine Silver Expands Silver Valley Land Position 60% to 38,000 Acres
  • Sunshine Silver Expands Silver Valley Land Position 60% and Launches 45,000-Meter District-Scale Exploration Program
  • Sunshine Silver Q2: $16.7M Loss, $288.7M Cash, Drilling 60% Complete, Production Targeted Late 2028
  • Sunshine Silver's First Post-IPO Quarter: $16.7M Loss, $288.7M Cash
  • High-grade drill results and a new vein discovery at the Sunshine Mine advance the 2027 feasibility study

Short Interest & Short Volume

3.86 days to cover

FINRA reported short interest of 1,300,688 shares in SSMR as of the September 15, 2026 settlement, a 77.0% increase from the prior period — about 3.9 days to cover at its recent average daily volume. On October 2, 2026, 96.1% of SSMR volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)1,300,688 shares as of September 15, 2026
Change vs prior period▲ 77.0%
Days to cover3.86 at avg daily volume of 336,659
Daily short volume (FINRA facilities)96.1% of 104,516 shares on October 2, 2026
5-day average short volume84.4%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Dilution Risk

Low risk

Filing-implied dilution signals for SSMR, detected from its recent SEC filings · based on capital-structure filings through 2026-06-05.

1 recent capital raise

Initial Public Offering Completed · Capital for Mine Development

⚠ A more recent filing has been published for this ticker since this signal was computed; it may not yet be reflected — see the filings below.

A filing-implied signal, not a realized share count. How Wiseek tracks dilution →

Browse all tickers starting with S →
$15.38
52-week range · as of 2026-09-21 $12.51 – $19.61
Market cap
$2.21B
Volume
253.1K (0.5× avg)
3-mo avg 542.9K
Live data · 2026-10-03 17:09 UTC · Market closed

show_chartPrice Chart

Loading chart...

feed SSMR - Latest Insights

SSMR
Sep 21, 2026, 8:04 AM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $17.40
Real-time Price: $15.38 info
Change: -$2.02 (-12%) info
Market Cap: $2.211B info
SSMR
Sep 21, 2026, 7:00 AM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $17.70
Real-time Price: $15.38 info
Change: -$2.32 (-13%) info
Market Cap: $2.211B info
SSMR
Aug 12, 2026, 4:30 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $17.30
Real-time Price: $15.38 info
Change: -$1.92 (-11%) info
Market Cap: $2.211B info
SSMR
Aug 12, 2026, 4:17 PM EDT
Filing Type: 10-Q
Importance Score:
7
Price at Filing: $17.30
Real-time Price: $15.38 info
Change: -$1.92 (-11%) info
Market Cap: $2.211B info
SSMR
Jul 23, 2026, 8:04 AM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $14.07
Real-time Price: $15.38 info
Change: +$1.31 (+9%) info
Market Cap: $2.211B info
SSMR
Jun 05, 2026, 4:10 PM EDT
Source: PR Newswire
Importance Score:
8
Price at Filing: $14.00
Real-time Price: $15.38 info
Change: +$1.38 (+10%) info
Market Cap: $2.211B info
SSMR
Jun 04, 2026, 9:55 PM EDT
Filing Type: 424B4
Importance Score:
9
Price at Filing: $15.63
Real-time Price: $15.38 info
Change: -$0.250 (-2%) info
Market Cap: $2.211B info
SSMR
Jun 04, 2026, 11:51 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $14.36
Real-time Price: $15.38 info
Change: +$1.02 (+7%) info
Market Cap: $2.211B info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets