$LTBR

$5.40 -$0.04 (0.74%) Close

$LTBR Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 37.5M shares outstanding

Who owns LTBR?

By type of holder

Institutions 39.1% Insiders 9.1% Everyone else 51.8%

Concentration Top 10 holders own 34.2%

State Street Corp 7.6% · BlackRock, Inc. 6.9%

Institutional ownership

39.1%

+0.4 pts vs last qtr

Institutional holders

127

-7 vs last qtr

Net shares bought

+137.4K

by institutions in Q2 2026

New / sold out

18 / 25

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +480.2K
Millennium Management LLC +463.8K

Biggest sellers in Q2 2026

BNP Paribas Financial Markets −942.1K
Renaissance Technologies LLC −315.5K

Who is planning to sell?

Notices of proposed sale, last 12 months

$1.19M

8 notices from 4 people

Shares covered

77.8K

0.21% of the company

Arranged in advance

89%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Mushakov Andrey Officer 10b5-1 $502K
Goldman Larry Officer 10b5-1 $469K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2018–FY2025

+1004.6%

+49.23% a year

Each share's claim on the business

−90.9%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $15.6M

over 7 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years43% 3–5 years22% 1–3 years22% Under 1 year13%

Quarterly turnover

17.3%

of institutional shares changed hands

Top 10 managers, median time held

4.8 years

Super Investors

Investment managers reporting LTBR on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
SS State Street Corp	2.8M	7.55%	+448.1K (+18.8%)	2021	0.0%
Shares held by quarter Peak holding2.8M (Q2'26) Change over 8 quarters+2.8M Share of the company7.550% State Street Corp's full portfolio →
B BlackRock, Inc.	2.6M	6.86%	+480.2K (+23.0%)	≤2021	0.0%
Shares held by quarter Peak holding2.6M (Q2'26) Change over 8 quarters+2.5M Share of the company6.860% BlackRock, Inc.'s full portfolio →

State Street Corp

2.8M

% of company

7.55%

Change vs last qtr

+448.1K (+18.8%)

Held since

2021

BlackRock, Inc.

2.6M

% of company

6.86%

Change vs last qtr

+480.2K (+23.0%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Lightbridge Corporation, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting LTBR on Form N-PORT; together they hold 28.7% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
SS State Street(R) SPDR(R) S&P(R) Metals & Mining ETF SPDR Series Trust	$19.3M	2.2M	5.88%	0.44%	June 30, 2026
GX Global X Uranium ETF Global X Funds	$16.7M	2.0M	5.43%	0.31%	July 31, 2026

State Street(R) SPDR(R) S&P(R) Metals & Mining ETF

SPDR Series Trust

Position value

$19.3M

% of company

5.88%

% of the fund

0.44%

As of

June 30, 2026

Global X Uranium ETF

Global X Funds

Position value

$16.7M

% of company

5.43%

% of the fund

0.31%

As of

July 31, 2026

23 more funds behind a free account

See every fund holding Lightbridge Corporation and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
GS Grae Seth Insider	1.9M	5.04%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company5.040% Grae Seth's insider activity →
MA Mushakov Andrey Insider	457.7K	1.22%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.220% Mushakov Andrey's insider activity →

Grae Seth

Insider

1.9M

% of company

5.04%

Change vs last qtr

—

Held since

—

Mushakov Andrey

Insider

457.7K

% of company

1.22%

Change vs last qtr

—

Held since

—

7 more holders behind a free account

See every insider and 5%+ holder of Lightbridge Corporation.

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