Skip to main content
FSM logo

FSM · Fortuna Mining Corp.

Track FSM — free
$12.07 +0.17 (+1.43%) At close · Aug 21
Market Cap
$3.57B
Shares
295.96M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 245
Total Value: $1,666,434,244
Total Shares: 197,211,169

Institutional Ownership Trend

10 quarters

Holder Concentration

Across 245 13F filers · Δ vs Mar 31, 2026
Top Holder
10.6%
Mar 2024 → Jun 2026 · range 6.6% – 100.0%
+0.5 pts
Top 5
34.2%
Mar 2024 → Jun 2026 · range 29.6% – 100.0%
−2.5 pts
Top 10
51.2%
Mar 2024 → Jun 2026 · range 49.2% – 100.0%
−3.7 pts
HHI
369
Mar 2024 → Jun 2026 · range 331 – 10,000
Broadly held−30

Quarterly Activity

vs Mar 31, 2026
New
35
Increased
84
Decreased
83
Sold Out
45
Unchanged
43
Holder count: -10
Institutional value: -18.8%
Shares held: -4.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 261
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 1341335 CUSIP 349942102 13F (30d) 212 filings 211 filers Visit website Investor relations