Mariner’s Lightbridge LTBR Stock Holding History

Mariner’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 Q1	$266K	Sell	24,973 -9,806	-28%	-$136K	﹤0.01%	2974
2025 Q4	$440K	Buy	+34,779	New	+$669K	﹤0.01%	2538

Other funds holding LTBR

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

ETC

Exchange Traded Concepts Oklahoma City, Oklahoma $14.1B AUM 25.71% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Mariner's LTBR Position: Q1 2026 in Review

Mariner reduced its Lightbridge (LTBR) stake by 28% in Q1 2026, selling an estimated $136K and leaving 24,973 shares worth $266K. The position accounts for ﹤0.01% of the portfolio, ranked #2974.

Mariner first reported a position in LTBR in Q4 2025 and has held it in 2 quarters since. The position peaked at $440K in Q4 2025. 135 funds tracked by Wall St. Rank hold LTBR as of Q1 2026.

Mariner held 24,973 shares of Lightbridge worth $266K as of Q1 2026.
Mariner sold 9,806 Lightbridge shares in Q1 2026, an estimated $136K.
Lightbridge made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2974 holding.
Mariner first reported a position in Lightbridge in Q4 2025 and has held it in 2 quarters since.
Mariner's Lightbridge position peaked at $440K in Q4 2025.
135 funds tracked by Wall St. Rank held Lightbridge as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.