Sunshine Silver Mining & Refining Co
SSMR- Exchange
- NYSE
- Industry
- Gold and Silver Ores
- SEC CIK
- 0002091017
No open-market purchases or sales by Sunshine Silver Mining & Refining Co insiders were filed in the last 90 days; 49 institutions reported holding it in 13F filings for Q2 2026, worth $1.42B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 11, 2026
- $2.03B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +49 vs. previous quarter
- 49
- 13F valueReported value at the end of Q2 2026
- $1.42B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, Q2 FY2026
- $0
- No comparable prior period
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 4.20M
- Shares sold short
- Change
- +571.8K
- +15.8% vs. previous
- Days to cover
- 4.25
- At average daily volume
Superinvestors holding SSMR, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding SSMR at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Sunshine Silver Mining & Refining Co insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 8, 2026 (view filing)7:58 PM ET | Jun 5 | 3 days | Ospraie Management, LLC and 5 others10% Owner | SSaleCommon Stock, par value $0.001 per share | −555.6K | $13.50 | −$7.50M | −2.2%24.8M after | |
| Jun 8, 2026 (view filing) | Jun 5 | 3 days | Shepston Michelle HGeneral Counsel | PPurchase | +5.00K | $13.50 | +$67.5K | New position5.00K after | |
| Jun 8, 2026 (view filing) | Jun 5 | 3 days | Shepston Michelle HGeneral Counsel | PPurchase | +65 | $13.50 | +$877.5 | New position65 after | |
| Jun 8, 2026 (view filing) | Jun 5 | 3 days | White Heather EileenChief Executive Officer | PPurchase | +2.00K | $13.50 | +$27.0K | New position2.00K after | |
| Jun 8, 2026 (view filing) | Jun 5 | 3 days | Radford Lawrence PDirector | PPurchase | +2.50K | $13.50 | +$33.8K | +28.0%11.4K after | |
| Jun 8, 2026 (view filing) | Jun 5 | 3 days | Groh DouglasDirector | PPurchase | +10.0K | $13.50 | +$135.0K | +7.5%143.9K after | |
| Jun 8, 2026 (view filing) | Jun 5 | 3 days | El-Erian AnnaDirector | PPurchase | +40.0K | $13.50 | +$540.0K | +448.0%48.9K after |
Top 10 13F holders, Q2 2026
See all 49 holdersThe largest institutional positions in Sunshine Silver Mining & Refining Co at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Electrum Group LLC | 85,364,838 | $1.13B | 33.33% | +85,364,838 | New |
| Anson Funds Management LP | 2,440,495 | $32.3M | 3.02% | +2,440,495 | New |
| Sprott Inc. | 2,436,910 | $32.2M | 1.07% | +2,436,910 | New |
| Franklin Resources Inc | 2,000,000 | $26.4M | 0.01% | +2,000,000 | New |
| Exor Capital LLP | 2,000,000 | $26.4M | 0.57% | +2,000,000 | New |
| Ameriprise Financial Inc | 1,309,716 | $17.3M | 0.00% | +1,309,716 | New |
| Amundi | 1,305,534 | $17.3M | 0.00% | +1,305,534 | New |
| Phoenix Holdings Ltd. | 1,230,000 | $16.3M | 0.11% | +1,230,000 | New |
| Van Eck Associates Corp | 1,011,578 | $13.4M | 0.01% | +1,011,578 | New |
| Norges Bank | 1,000,000 | $13.2M | 0.00% | +1,000,000 | New |
Holders of 5% or more of SSMR
See all 2 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Sunshine Silver Mining & Refining Co.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Electrum Silver US LLC | 13G | 62.90%96.1M shares | New | Aug 7, 20261 filing | Aug 7, 2026 | SEC |
| Ospraie Real Assets Fund LP | 13G | 17.30%24.8M shares | New | Aug 10, 20261 filing | Aug 10, 2026 | SEC |