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LIGHTBRIDGE CORP (LTBR)

Institutional ownership, SEC filings and insider activity

Sector: Raw materials · SEC CIK 0001084554 · EDGAR filings · Updated 2026-07-02

LIGHTBRIDGE CORP (LTBR) has reported institutional ownership of 40.7%, with 134 institutional managers holding positions valued at $152.7M per the latest 13F reporting period. SEC filings include an active substantial-doubt (going concern) disclosure per the filings.

Institutional ownership
40.7%
Institutional managers
134
Reported 13F value
$152.7M
Insider activity
104 trans.
−$6.26M net selling
Data flags
1 active
from SEC filings

Latest updates

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, LIGHTBRIDGE CORP has 134 institutional holders and institutional ownership of 40.7%.

Insider activity

Insiders reported 104 transactions (0 buys, 35 sells) across 8 reporting insiders, with a net reported value of −$6.26M.

Data flags from SEC filings

Active substantial-doubt (going concern) disclosure per the filings, most recently filed 2022-10-31 (recurring since 2020-03-18) — source filing. The authoritative details are those stated in the filing itself.

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Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-02.