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.
Q4 2025 vs. Q3 2025
How the institutions holding Fortuna Mining Corp. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 215 | 4 | 234 | +23 |
| Shares | 204.8M | 1.60M | 208.0M | +4.79M (+2.4%) |
| Value | $1.84B | $14.3M | $2.05B | +$222.0M (+12.2%) |
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (43)
Institutions that held Fortuna Mining Corp. at the end of Q4 2025 but not at the end of Q3 2025.
Sold out (20)
Institutions that held Fortuna Mining Corp. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Aigen Investment Management, LP | 71,142 | $760.8K |
| Quantitative Investment Management, LLC | 56,375 | $505.0K |
| Aire Advisors, LLC | 49,000 | $439.0K |
| Aristides Capital LLC | 37,054 | $332.0K |
| Versor Investments LP | 29,000 | $259.6K |
| Tudor Investment Corp Et Al | 25,378 | $227.4K |
| Crabel Capital Management, LLC | 20,000 | $179.2K |
| Scotia Capital Inc. | 19,040 | $168.0K |
| FMR LLC | 15,000 | $134.4K |
| Integrated Wealth Concepts LLC | 14,752 | $132.2K |
| R Squared Ltd | 12,647 | $113.3K |
| Vise Technologies, Inc. | 11,984 | $107.4K |
| Hohimer Wealth Management, LLC | 10,514 | $94.2K |
| Perritt Capital Management Inc | 10,500 | $94.1K |
| Baader Bank INC | 23,213 | $92.3K |
| Rathbone Brothers plc | 10,000 | $89.6K |
| Optiver Holding B.V. | 7,278 | $65.2K |
| Advisory Services Network, LLC | 3,000 | $26.9K |
| Caitong International Asset Management Co., Ltd | 1,684 | $15.1K |
| Principal Securities, Inc. | 326 | $2.92K |
Not filed for Q4 2025 yet (4)
Institutions that held Fortuna Mining Corp. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Cubist Systematic Strategies, LLC | 1,401,371 | $12.6M |
| Sheets Smith Investment Management | 166,059 | $1.49M |
| Synovus Financial Corp | 28,500 | $255.4K |
| Shell Asset Management Co | 4,682 | $42.0K |