Jim Simons
LTBR icon

Jim Simons’s Lightbridge LTBR Stock Holding History

Jim Simons’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 		$2.97M Sell
338,400
-315,500
-48% -$3.55M ﹤0.01% 1746
2026
Q1 		$6.97M Buy
653,900
+115,395
+21% +$1.6M 0.01% 1171
2025
Q4 		$6.81M Buy
538,505
+459,805
+584% +$8.84M 0.01% 1130
2025
Q3 		$1.67M Buy
+78,700
New +$1.18M ﹤0.01% 2188
2025
Q2 		– Sell
-110,200
Closed -$822K – 3757
2025
Q1 		$822K Sell
110,200
-102,400
-48% -$910K ﹤0.01% 2529
2024
Q4 		$1.01M Buy
212,600
+188,600
+786% +$1.13M ﹤0.01% 2499
2024
Q3 		$67.2K Buy
24,000
+800
+3% +$2.32K ﹤0.01% 3317
2024
Q2 		$78.2K Sell
23,200
-85,100
-79% -$228K ﹤0.01% 3229
2024
Q1 		$319K Buy
108,300
+28,700
+36% +$87.1K ﹤0.01% 3065
2023
Q4 		$256K Buy
+79,600
New +$317K ﹤0.01% 3045
2022
Q1 		– Sell
-150,200
Closed -$995K – 4313
2021
Q4 		$995K Buy
+150,200
New +$1.26M ﹤0.01% 2640
2020
Q4 		– Sell
-31,085
Closed -$130K – 3582
2020
Q3 		$130K Buy
+31,085
New +$149K ﹤0.01% 3178

Other funds holding LTBR

State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 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
Exchange Traded Concepts
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
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $39.3B AUM 27.96% 1-Year Est. Return

Jim Simons's LTBR Position: Q2 2026 in Review

Jim Simons reduced its Lightbridge (LTBR) stake by 48% in Q2 2026, selling an estimated $3.55M and leaving 338,400 shares worth $2.97M. The position accounts for ﹤0.01% of the portfolio, ranked #1746.

Jim Simons first reported a position in LTBR in Q3 2020 and has held it in 12 quarters since. The position peaked at $6.97M in Q1 2026. 129 funds tracked by Wall St. Rank hold LTBR as of Q2 2026.

  • Jim Simons held 338,400 shares of Lightbridge worth $2.97M as of Q2 2026.
  • Jim Simons sold 315,500 Lightbridge shares in Q2 2026, an estimated $3.55M.
  • Lightbridge made up ﹤0.01% of Jim Simons's portfolio in Q2 2026, its #1746 holding.
  • Jim Simons first reported a position in Lightbridge in Q3 2020 and has held it in 12 quarters since.
  • Jim Simons's Lightbridge position peaked at $6.97M in Q1 2026.
  • 129 funds tracked by Wall St. Rank held Lightbridge as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.