Fortuna Mining Corp.
FSM- Exchange
- NYSE
- Industry
- Gold and Silver Ores
- SEC CIK
- 0001341335
No open-market purchases or sales by Fortuna Mining Corp. insiders were filed in the last 90 days; 244 institutions reported holding it in 13F filings for Q2 2026, worth $1.65B in total; no superinvestor holds it.
Holders of 5% or more of FSM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Fortuna Mining Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Van Eck Associates Corp | 13G/A | 9.06%27.8M shares | – | Feb 11, 20214 filings | Mar 7, 2025 | SEC |
| Van Eck Associates Corp | 13G/A | 6.84%20.9M shares | −2.86 ppfrom 9.70% | Aug 14, 20253 filings | May 15, 2026 | SEC |
| Global X Management CO LLC | 13G | 5.87%18.0M shares | New | Feb 17, 20261 filing | Feb 17, 2026 | SEC |
| Dimensional Fund Advisors LP | 13G | 5.20%15.9M shares | New | Jan 23, 20251 filing | Jan 23, 2025 | SEC |
| Arrowstreet Capital, Limited Partnership | 13G/A | 5.00%15.1M shares | −1.40 ppfrom 6.40% | Nov 13, 20252 filings | May 15, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
11 Schedule 13D and 13G filings on Fortuna Mining Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 202611:39 AM ET | Arrowstreet Capital, Limited Partnershipand 1 other | 13G/A | 5.00%15.1M shares | −1.40 ppfrom 6.40% | Mar 31, 2026 | SEC |
| May 15, 20269:38 AM ET | Van Eck Associates Corp | 13G/A | 6.84%20.9M shares | −2.86 ppfrom 9.70% | Mar 31, 2026 | SEC |
| Feb 17, 20266:15 PM ET | Global X Management CO LLC | 13G | 5.87%18.0M shares | New | Dec 31, 2025 | SEC |
| Nov 13, 20255:22 PM ET | Arrowstreet Capital, Limited Partnershipand 1 other | 13G | 6.40%19.7M shares | New | Sep 30, 2025 | SEC |
| Nov 12, 20254:00 PM ET | Van Eck Associates Corp | 13G/A | 9.70%29.8M shares | +2.90 ppfrom 6.80% | Sep 30, 2025 | SEC |
| Aug 14, 20251:04 PM ET | Van Eck Associates Corp | 13G/A | 6.80%20.9M shares | – | Jun 30, 2025 | SEC |
| Mar 7, 20251:21 PM ET | Van Eck Associates Corp | 13G/A | 9.06%27.8M shares | – | Dec 31, 2024 | SEC |
| Jan 23, 20253:55 PM ET | Dimensional Fund Advisors LP | 13G | 5.20%15.9M shares | New | Dec 31, 2024 | SEC |
| Feb 14, 2023 | Van Eck Associates Corp | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | Van Eck Associates Corp | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2021 | Van Eck Associates Corp | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Fortuna Mining Corp. shares.
No Form 144 notices for Fortuna Mining Corp. are on file.