John Overdeck’s Sigma Lithium SGML Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$7.08M Buy
559,511
+420,967
+304% +$7.08M 0.01% 1824
2026
Q1
$1.71M Buy
138,544
+17,400
+14% +$222K ﹤0.01% 2876
2025
Q4
$1.6M Sell
121,144
-1,395
-1% -$12K ﹤0.01% 2604
2025
Q3
$785K Buy
+122,539
New +$737K ﹤0.01% 2737
2023
Q1
Sell
-23,062
Closed -$651K 3177
2022
Q4
$651K Buy
+23,062
New +$741K ﹤0.01% 1910
2022
Q2
Sell
-12,641
Closed -$172K 2892
2022
Q1
$172K Buy
+12,641
New +$138K ﹤0.01% 2360

Other funds holding SGML

John Overdeck's SGML Position: Q2 2026 in Review

John Overdeck increased its Sigma Lithium (SGML) stake by 304% in Q2 2026, buying an estimated $7.08M and bringing the position to 559,511 shares worth $7.08M. The position accounts for 0.01% of the portfolio, ranked #1824.

John Overdeck first reported a position in SGML in Q1 2022 and has held it in 6 quarters since. 119 funds tracked by Wall St. Rank hold SGML as of Q2 2026.

  • John Overdeck held 559,511 shares of Sigma Lithium worth $7.08M as of Q2 2026.
  • John Overdeck bought 420,967 Sigma Lithium shares in Q2 2026, an estimated $7.08M.
  • Sigma Lithium made up 0.01% of John Overdeck's portfolio in Q2 2026, its #1824 holding.
  • John Overdeck first reported a position in Sigma Lithium in Q1 2022 and has held it in 6 quarters since.
  • 119 funds tracked by Wall St. Rank held Sigma Lithium as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.