JO
LTBR icon

John Overdeck’s Lightbridge LTBR Stock Holding History

John Overdeck’s Portfolio LTBR Stock Details LTBR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$233K Sell
26,451
-116,185
-81% -$1.31M ﹤0.01% 4687
2026
Q1 		$1.52M Sell
142,636
-71,685
-33% -$996K ﹤0.01% 2967
2025
Q4 		$2.71M Sell
214,321
-377,709
-64% -$7.27M ﹤0.01% 2209
2025
Q3 		$12.6M Buy
592,030
+285,471
+93% +$4.3M 0.02% 836
2025
Q2 		$4.1M Buy
306,559
+274,243
+849% +$3.03M 0.01% 1361
2025
Q1 		$241K Sell
32,316
-201,418
-86% -$1.79M ﹤0.01% 2796
2024
Q4 		$1.11M Buy
+233,734
New +$1.4M ﹤0.01% 2113

Other funds holding LTBR

State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
ETC
Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

John Overdeck's LTBR Position: Q2 2026 in Review

John Overdeck reduced its Lightbridge (LTBR) stake by 81% in Q2 2026, selling an estimated $1.31M and leaving 26,451 shares worth $233K. The position accounts for ﹤0.01% of the portfolio, ranked #4687.

John Overdeck first reported a position in LTBR in Q4 2024 and has held it in 7 quarters since. The position peaked at $12.6M in Q3 2025. 129 funds tracked by Wall St. Rank hold LTBR as of Q2 2026.

  • John Overdeck held 26,451 shares of Lightbridge worth $233K as of Q2 2026.
  • John Overdeck sold 116,185 Lightbridge shares in Q2 2026, an estimated $1.31M.
  • Lightbridge made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4687 holding.
  • John Overdeck first reported a position in Lightbridge in Q4 2024 and has held it in 7 quarters since.
  • John Overdeck's Lightbridge position peaked at $12.6M in Q3 2025.
  • 129 funds tracked by Wall St. Rank held Lightbridge as of Q2 2026.

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