LIGHTBRIDGE Corp
LTBR- Exchange
- Nasdaq
- Industry
- Industrial Inorganic Chemicals
- SEC CIK
- 0001084554
In the last 90 days, LIGHTBRIDGE Corp insiders filed 0 open-market purchases and 4 sales; 129 institutions reported holding it in 13F filings for Q2 2026, worth $129.5M in total; no superinvestor holds it.
Holders of 5% or more of LTBR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of LIGHTBRIDGE Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| State Street Corp | 13G | 8.10%2.83M shares | +1.20 ppfrom 6.90% | Feb 9, 20263 filings | Aug 7, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 7.20%2.54M shares | +1.00 ppfrom 6.20% | Jan 21, 20262 filings | Jul 29, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on LIGHTBRIDGE Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 7, 202610:02 AM ET | State Street Corpand 1 other | 13G | 8.10%2.83M shares | +1.20 ppfrom 6.90% | Jun 30, 2026 | SEC |
| Jul 29, 20263:19 PM ET | BlackRock, Inc. | 13G/A | 7.20%2.54M shares | +1.00 ppfrom 6.20% | Jun 30, 2026 | SEC |
| May 12, 202611:25 AM ET | State Street Corpand 1 other | 13G | 6.90%2.38M shares | +1.20 ppfrom 5.70% | Mar 31, 2026 | SEC |
| Mar 27, 202610:30 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −5.30 ppfrom 5.30%Below 5% | Mar 13, 2026 | SEC |
| Feb 9, 20267:45 AM ET | State Street Corp | 13G | 5.70%1.85M shares | New | Dec 31, 2025 | SEC |
| Jan 21, 202612:30 PM ET | BlackRock, Inc. | 13G | 6.20%2.00M shares | New | Dec 31, 2025 | SEC |
| Nov 14, 20258:08 AM ET | AK Jensen Investment Management Ltd | 13G/A | 3.90%1.18M shares | −1.90 ppfrom 5.80%Below 5% | Sep 30, 2025 | SEC |
| Jul 29, 20251:46 PM ET | Vanguard Group Inc | 13G | 5.30%1.25M shares | New | Jun 30, 2025 | SEC |
| Jul 18, 20254:00 PM ET | Millennium Management LLCand 2 others | 13G/A | 2.80%650.2K shares | −2.20 ppfrom 5.00%Below 5% | Jun 30, 2025 | SEC |
| Jun 20, 20254:14 PM ET | Millennium Management LLCand 2 others | 13G | 5.00%1.15M shares | New | Jun 18, 2025 | SEC |
| May 15, 20254:11 PM ET | AK Jensen Investment Management Ltd | 13G/A | 5.80%1.21M shares | – | Mar 31, 2025 | SEC |
| Feb 10, 2023 | AK Jensen Investment Management Ltd | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell LIGHTBRIDGE Corp shares.
No Form 144 notices for LIGHTBRIDGE Corp are on file.