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SGML · Sigma Lithium Corp

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$12.26 -0.35 (-2.78%) At close · Aug 28
Market Cap
$1.39B
Shares
112.57M

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: 120
Total Value: $547,060,314
Total Shares: 43,245,880
Showing 1–100 of 133 holdings by value · page 1 of 2

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 120 13F filers · Δ vs Mar 31, 2026
Top Holder
12.4%
Sep 2023 → Jun 2026 · range 8.7% – 14.7%
−2.0 pts
Top 5
44.6%
Sep 2023 → Jun 2026 · range 35.2% – 46.1%
+3.4 pts
Top 10
64.1%
Sep 2023 → Jun 2026 · range 54.3% – 68.5%
−1.6 pts
HHI
546
Sep 2023 → Jun 2026 · range 393 – 599
Broadly held−13

Quarterly Activity

vs Mar 31, 2026
New
32
Increased
29
Decreased
45
Sold Out
11
Unchanged
14
Holder count: +21
Institutional value: +12.2%
Shares held: +9.5%

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 133
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1848309 CUSIP 826599102 13F (30d) 108 filings 106 filers Visit website Investor relations