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AGI

Alamos Gold Inc

Company with tickers: AGI

CIK
1178819
CUSIP
011532108
Shares Outstanding
419,965,411
13F Activity (30d)
287 filings 283 filers

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: 490
Total Value: $10,767,828,446
Total Shares: 242,354,912
Showing 1–100 of 523 holdings by value · page 1 of 6

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 490 13F filers · Δ vs Dec 31, 2025
Top Holder
15.4%
Jun 2023 → Mar 2026 · range 10.0% – 22.8%
−0.9 pts
Top 5
30.9%
Jun 2023 → Mar 2026 · range 29.6% – 41.7%
−4.9 pts
Top 10
44.0%
Jun 2023 → Mar 2026 · range 41.0% – 53.7%
−5.2 pts
HHI
381
Jun 2023 → Mar 2026 · range 303 – 686
Broadly held−59

Quarterly Activity

vs Dec 31, 2025
New
80
Increased
168
Decreased
177
Sold Out
46
Unchanged
65
Holder count: +34
Institutional value: +11.6%
Shares held: -3.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 523
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Holder Value (USD) % of 13F Shares Open