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FSM · Fortuna Mining Corp. · Holdings

Track FSM — free
$10.05 -0.07 (-0.72%)
Market Cap
$3.01B
Shares
295.96M
Volume · Oct 7 11.02M Avg daily vol (3M) 5.45M

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.

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.
Holders: 246
Total Value: $1,674,623,933
Total Shares: 198,180,363
Showing 1–100 of 262 holdings by value · page 1 of 3

Institutional Ownership Trend

10 quarters

Holder Concentration

Across 246 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
34.0%
Mar 2024 → Jun 2026 · range 29.6% – 100.0%
−2.6 pts
Top 10
51.0%
Mar 2024 → Jun 2026 · range 49.2% – 100.0%
−4.0 pts
HHI
366
Mar 2024 → Jun 2026 · range 331 – 10,000
Broadly held−33

Quarterly Activity

vs Mar 31, 2026
New
34
Increased
85
Decreased
84
Sold Out
44
Unchanged
43
Holder count: -10
Institutional value: -18.4%
Shares held: -4.1%

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 262
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1341335 CUSIP 349942102 13F (30d) 14 filings 5 filers Visit website Investor relations