148 institutions reported holding $162.4M of LIGHTBRIDGE CORP (LTBR) in SEC 13F filings for 2026-03-31. Largest institutional holders: STATE STREET CORP ($25.4M), BlackRock, Inc. ($22.3M), BNP PARIBAS FINANCIAL MARKETS ($15.1M), VANGUARD CAPITAL MANAGEMENT LLC ($14.6M), EXCHANGE TRADED CONCEPTS, LLC ($11.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | STATE STREET CORP | $25.4M | 2.4M | Added |
| 2 | BlackRock, Inc. | $22.3M | 2.1M | Added |
| 3 | BNP PARIBAS FINANCIAL MARKETS | $15.1M | 1.4M | Added |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $14.6M | 1.4M | New |
| 5 | EXCHANGE TRADED CONCEPTS, LLC | $11.5M | 1.1M | Added |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $7.7M | 723,852 | Added |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $7.0M | 653,900 | Added |
| 8 | UBS Group AG | $6.8M | 637,407 | Trimmed |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $4.8M | 453,745 | Trimmed |
| 10 | Nuveen, LLC | $3.0M | 278,905 | Trimmed |
| 11 | NORTHERN TRUST CORP | $2.7M | 252,671 | Added |
| 12 | CITADEL ADVISORS LLC | $2.5M | 236,597 | Trimmed |
| 13 | MILLENNIUM MANAGEMENT LLC | $2.5M | 235,103 | Trimmed |
| 14 | IMC-Chicago, LLC | $2.5M | 232,612 | Added |
| 15 | VANGUARD FIDUCIARY TRUST CO | $2.4M | 227,381 | New |
| 16 | Tortoise Investment Management, LLC | $2.3M | 215,937 | Hold |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | $2.3M | 215,000 | New |
| 18 | MORGAN STANLEY | $2.0M | 189,828 | Trimmed |
| 19 | GROUP ONE TRADING LLC | $1.7M | 154,983 | Added |
| 20 | TWO SIGMA INVESTMENTS, LP | $1.5M | 142,636 | Trimmed |
| 21 | Balyasny Asset Management L.P. | $1.3M | 124,980 | New |
| 22 | MARSHALL WACE, LLP | $1.1M | 105,361 | New |
| 23 | BOOTHBAY FUND MANAGEMENT, LLC | $978,748 | 91,815 | Added |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $915,225 | 85,856 | Trimmed |
| 25 | Geneos Wealth Management Inc. | $770,004 | 72,233 | Added |
Source: SEC Form 13F filings · as of 2026-03-31