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Lightbridge
LTBR

61 hedge funds and large institutions have $29.6M invested in Lightbridge in 2025 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 21 increasing their positions, 11 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

229% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 7

185% more capital invested

Capital invested by funds: $10.4M → $29.6M (+$19.2M)

91% more repeat investments, than reductions

Existing positions increased: 21 | Existing positions reduced: 11

49% more call options, than puts

Call options by funds: $8.53M | Put options by funds: $5.72M

33% more funds holding

Funds holding: 46 → 61 (+15)

5.06% more ownership

Funds ownership: 13.91% → 18.98% (+5.1%)

Holders
61
Holders Change
+15
Holders Change %
+32.61%
% of All Funds
0.82%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
23
Increased
21
Reduced
11
Closed
7
Calls
$8.53M
Puts
$5.72M
Net Calls
+$2.81M
Net Calls Change
+$2.21M

Top Buyers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
+$4.38M
2
SC
Sculptor Capital
New York
+$3.16M
3
Morgan Stanley
Morgan Stanley
New York
+$2.31M
4
BlackRock
BlackRock
New York
+$1.7M
5
Millennium Management
Millennium Management
New York
+$1.42M

Top Sellers

Rank Fund Capital Flow
1
Two Sigma Investments
Two Sigma Investments
New York
-$1.79M
2
Renaissance Technologies
Renaissance Technologies
New York
-$910K
3
PAG
Private Advisor Group
New Jersey
-$627K
4
Two Sigma Advisers
Two Sigma Advisers
New York
-$466K
5
Simplex Trading
Simplex Trading
Illinois
-$209K

LTBR Hedge Fund Activity: Q1 2025 in Review

61 of the 7,476 institutional investors tracked by Wall St. Rank reported a position in Lightbridge (LTBR) for Q1 2025, worth a combined $29.6M — up 185% from $10.4M a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new LTBR positions and 7 closed out — a net gain of 16 holders — while 21 added to existing stakes and 11 trimmed.

The largest buyer was UBS Group, adding an estimated $4.38M. The largest seller was Two Sigma Investments, cutting an estimated $1.79M.

  • 61 institutional investors held Lightbridge (LTBR) as of Q1 2025, up from 46 in Q4 2024.
  • Funds reported $29.6M of Lightbridge stock for Q1 2025, up 185% quarter-over-quarter.
  • 23 funds opened new Lightbridge positions in Q1 2025 and 7 closed out, a net change of +16 holders.
  • The largest Lightbridge buyer in Q1 2025 was UBS Group, an estimated $4.38M added.
  • The largest Lightbridge seller in Q1 2025 was Two Sigma Investments, an estimated $1.79M sold.

Based on aggregated 13F filings for Q1 2025.