Ken Griffin’s Lightbridge LTBR Stock Holding History
Bought
Maintained
Sold
Other funds holding LTBR
VCM
ETC
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Ken Griffin's LTBR Position: Q1 2026 in Review
Ken Griffin increased its Lightbridge (LTBR) stake by 90% in Q1 2026, buying an estimated $548K and bringing the position to 83,297 shares worth $888K. The position accounts for ﹤0.01% of the portfolio, ranked #7937.
Ken Griffin first reported a position in LTBR in Q3 2013 and has held it in 26 quarters since. The position peaked at $7.62M in Q3 2025. 135 funds tracked by Wall St. Rank hold LTBR as of Q1 2026.
- Ken Griffin held 83,297 shares of Lightbridge worth $888K as of Q1 2026.
- Ken Griffin bought 39,455 Lightbridge shares in Q1 2026, an estimated $548K.
- Lightbridge made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #7937 holding.
- Ken Griffin first reported a position in Lightbridge in Q3 2013 and has held it in 26 quarters since.
- Ken Griffin's Lightbridge position peaked at $7.62M in Q3 2025.
- 135 funds tracked by Wall St. Rank held Lightbridge as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.