OPTT Institutional Ownership
Top institutional (13F) holders of OPTT and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
17
Institutional value
$6.1M
Top holder
Vanguard Capital Management
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| Vanguard Capital Managementinvestment advisor | 3.3% | Aug 13, 2026 | $2.34M |
| UBS Group AGbank | 2.5% | Aug 13, 2026 | $1.8M |
| BlackRock, Inc.holding company | 1.2% | Aug 7, 2026 | $872.2K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 0.4% | Aug 14, 2026 | $273.2K |
| STATE STREET CORPORATIONholding company | 0.4% | Sep 22, 2026 | $257.5K |
| NORTHERN TRUST CORPinvestment advisor | 0.2% | Aug 13, 2026 | $136K |
| ROYAL BANK OF CANADAholding company | 0.2% | Aug 14, 2026 | $136K |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 0.8% | Nov 6, 2026 | $100.2K |
| CITADEL ADVISORS LLCinvestment advisor | 0.1% | Sep 1, 2026 | $95.7K |
| JANE STREET GROUP, LLCholding company | 0.1% | Aug 14, 2026 | $56.3K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 0.0% | May 15, 2026 | $17.5K |
| WELLS FARGO & COMPANY/MNinvestment advisor | 0.0% | Aug 14, 2026 | $4.8K |
| JPMORGAN CHASE & COholding company | 0.0% | Aug 12, 2026 | $4.6K |
| Bank of New York Mellon Corpholding company | 0.0% | Aug 6, 2026 | $2.9K |
| MORGAN STANLEYholding company | 0.0% | Aug 13, 2026 | $1.6K |
| CITIGROUP INCinvestment advisor | 0.0% | May 11, 2026 | $375 |
| FMR LLCinvestment advisor | 0.0% | Aug 13, 2026 | $1 |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
No current 5%+ holders of OPTT on file.
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.