As of November 6, 2026, Sunshine Silver Mining & Refining Co is a publicly traded company (NYSE: SSMR). Thomas Kaplan, a director, reports holding 62.9%, a majority of its shares. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Ospraie Real Assets Fund LP (17.3%) (Schedule 13G, August 7, 2026).
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Is Sunshine Silver Mining & Refining Co a real, registered company?
- Sunshine Silver Mining & Refining Co files with the SEC under CIK 2091017 (its SEC filings).
- Its shares are listed under the ticker SSMR on NYSE (SEC company record).
- Incorporated in Delaware; business address in Kellogg, Idaho, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Sunshine Silver Mining & Refining Co in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Ospraie Real Assets Fund LP (filed 2026-08-10).
Who are Sunshine Silver Mining & Refining Co's owners and officers?
Sunshine Silver Mining & Refining Co: incorporated in Delaware; business address in Kellogg, Idaho; industry Gold and Silver Ores (Schedule 13G, 2026-08-10).
Officers and directors, each with the role and the filing that names them:
- : Director (Form D, 2025-10-21)
- : Director (Form D, 2025-10-21)
- : Director (Form D, 2025-10-21)
- : Director (Form D, 2025-10-21)
- : Director (Form D, 2025-10-21)
- : Director (Form D, 2025-10-21)
- : Executive Officer (Form D, 2025-10-21)
- : Executive Officer (Form D, 2025-10-21)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-08-10 | Ospraie Real Assets Fund LP | 17.3% |
| Schedule 13G, 2026-08-07 | Thomas Scott Kaplan | 62.9% |
Questions about who owns Sunshine Silver Mining & Refining Co
Who owns Sunshine Silver Mining & Refining Co?
On this page, 2 holders' latest ownership filings report 5% or more of Sunshine Silver Mining & Refining Co: Thomas Scott Kaplan (62.9%, Schedule 13G, filed 2026-08-07) and Ospraie Real Assets Fund LP (17.3%, Schedule 13G, filed 2026-08-10).
Who are the largest shareholders of Sunshine Silver Mining & Refining Co?
By the share each holder's latest filing reports, the largest holders of Sunshine Silver Mining & Refining Co on this page are Thomas Scott Kaplan (62.9%) and Ospraie Real Assets Fund LP (17.3%).
When did Thomas Scott Kaplan buy into Sunshine Silver Mining & Refining Co?
The filings give report dates, not purchase dates. The earliest filing from Thomas Scott Kaplan on this page is the Schedule 13G, filed 2026-08-07, reporting 62.9%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 2 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
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What the Full Report on Sunshine Silver Mining & Refining Co covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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Which insiders own Sunshine Silver Mining & Refining Co shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- TEG Global GP Ltd., a director and 10% owner: 165,867,557 shares, 8,929 held directly and 165,858,628 indirectly, on a joint filing (Form 4, 2026-06-08).
- , a director and 10% owner: 165,867,557 shares, 8,929 held directly and 165,858,628 indirectly, on a joint filing (Form 4, 2026-06-08).
- Electrum Strategic Management LLC, a director and 10% owner: 165,867,557 shares, 8,929 held directly and 165,858,628 indirectly, on a joint filing (Form 4, 2026-06-08).
- Electrum Group LLC, a director and 10% owner: 165,867,557 shares, 8,929 held directly and 165,858,628 indirectly, on a joint filing (Form 4, 2026-06-08).
- Electrum Strategic Opportunities Fund II L.P., a director and 10% owner: 165,867,557 shares, 8,929 held directly and 165,858,628 indirectly, on a joint filing (Form 4, 2026-06-08).
Shares outstanding: 143,726,603 as of 2026-08-12, from the company's latest SEC cover page.
How much has Sunshine Silver Mining & Refining Co raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2025-10-21 | $48.94M | $75M |
Latest IPO step: Sunshine Silver Mining & Refining Co filed its final IPO prospectus, ticker SSMR (424B4, 2026-06-05).
IPO filings: 424B4, 2026-06-05, S-1/A, 2026-05-26, S-1, 2026-05-11; ticker SSMR on New York Stock Exchange.
Keep reading
More on Sunshine Silver Mining & Refining Co and the records around it.
Sunshine Silver Mining & Refining Co elsewhere on the record
- 5%+ stake filings Aug 2026
Companies that share a holder
- Electrum Silver US LLC also filed stake reports on 1 other company: First Majestic Silver Corp. (Nov 2025)
- Ospraie Real Assets Fund LP also filed stake reports on 2 other companies: Sinda Ltd. (Aug 2026), IONETIX CORPORATION (Apr 2026)
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