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Lightbridge
LTBR

118 hedge funds and large institutions have $171M invested in Lightbridge in 2025 Q4 according to their latest regulatory filings, with 27 funds opening new positions, 48 increasing their positions, 23 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

109% more repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 23

50% more first-time investments, than exits

New positions opened: 27 | Existing positions closed: 18

17% more call options, than puts

Call options by funds: $7.97M | Put options by funds: $6.79M

7% more funds holding

Funds holding: 110 → 118 (+8)

4.48% less ownership

Funds ownership: 45.88% → 41.4% (-4.5%)

32% less capital invested

Capital invested by funds: $252M → $171M (-$81.4M)

Holders
118
Holders Change
+8
Holders Change %
+7.27%
% of All Funds
1.43%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
27
Increased
48
Reduced
23
Closed
18
Calls
$7.97M
Puts
$6.79M
Net Calls
+$1.17M
Net Calls Change
-$20.2M

Top Buyers

Rank Fund Capital Flow
1
State Street
State Street
Massachusetts
+$27M
2
BlackRock
BlackRock
New York
+$10M
3
Renaissance Technologies
Renaissance Technologies
New York
+$8.84M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$6.56M
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$2.77M

Top Sellers

Rank Fund Capital Flow
1
DCM
Driehaus Capital Management
Illinois
-$8.44M
2
Two Sigma Investments
Two Sigma Investments
New York
-$7.27M
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$6.08M
4
Citadel Advisors
Citadel Advisors
Florida
-$6.07M
5
Baird Financial Group
Baird Financial Group
Wisconsin
-$5.56M
Name Holding Trade Value Shares
Change 		Change in
Stake
Northwestern Mutual Wealth Management
101
Northwestern Mutual Wealth Management
Wisconsin
$3.54K +$5.39K +280 New
SA
102
Scarborough Advisors
Maryland
$3.53K +$5.37K +279 New
SCM
103
Sterling Capital Management
North Carolina
$2.17K +$2.33K +121 +237%
CJ
104
Caitlin John
Michigan
$1.26K +$481 +25 +33%
KG
105
Kilter Group
New York
$1.13K +$1.71K +89 New
BAM
106
Bellevue Asset Management
Washington
$1.01K – – –
CFG
107
CKW Financial Group
Hawaii
$1K – – –
GI
108
GAMMA Investing
California
$809 +$616 +32 +100%
PNC Financial Services Group
109
PNC Financial Services Group
Pennsylvania
$796 -$6.54K -340 -84%
OP
110
ORG Partners
Indiana
$758 – – –
FFO
111
Fortitude Family Office
Arizona
$746 – – –
EWA
112
EverSource Wealth Advisors
Alabama
$619 – – –
AF
113
Allworth Financial
California
$253 +$365 +19 +1,900%
FFA
114
Farther Finance Advisors
California
$164 -$60.5K -3,147 -100%
GIA
115
GHP Investment Advisors
Colorado
$89 – – –
DWM
116
Dogwood Wealth Management
Kansas
$51 +$77 +4 New
CA
117
CoreCap Advisors
Michigan
$25 – – –
IBOK
118
Independence Bank of Kentucky
Kentucky
$13 – – –
DCM
119
Driehaus Capital Management
Illinois
– -$8.44M -397,962 Closed
Baird Financial Group
120
Baird Financial Group
Wisconsin
– -$5.56M -262,306 Closed
Two Sigma Advisers
121
Two Sigma Advisers
New York
– -$2.11M -99,600 Closed
EI
122
EAM Investors
California
– -$1.22M -57,334 Closed
YIH
123
Y-Intercept (HK)
Hong Kong
– -$1.12M -52,622 Closed
SRL
124
Scientech Research LLC
New Jersey
– -$409K -19,301 Closed
MML Investors Services
125
MML Investors Services
Massachusetts
– -$311K -14,640 Closed
2 3 4
5
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LTBR Hedge Fund Activity: Q4 2025 in Review

118 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Lightbridge (LTBR) for Q4 2025, worth a combined $171M — down 32% from $252M a quarter earlier.

Buyers outnumbered sellers: 27 funds opened new LTBR positions and 18 closed out — a net gain of 9 holders — while 48 added to existing stakes and 23 trimmed.

The largest buyer was State Street, adding an estimated $27M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $8.44M sold.

  • 118 institutional investors held Lightbridge (LTBR) as of Q4 2025, up from 110 in Q3 2025.
  • Funds reported $171M of Lightbridge stock for Q4 2025, down 32% quarter-over-quarter.
  • 27 funds opened new Lightbridge positions in Q4 2025 and 18 closed out, a net change of +9 holders.
  • The largest Lightbridge buyer in Q4 2025 was State Street, an estimated $27M added.
  • The largest Lightbridge seller in Q4 2025 was Driehaus Capital Management, an estimated $8.44M sold.

Based on aggregated 13F filings for Q4 2025.