Who Owns OCEAN PWR TECHNOLOGIES INC (OPTT)? -- Institutional Holders (2026-06-30)
89 institutions reported holding $9.5M of OCEAN PWR TECHNOLOGIES INC (OPTT) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($2.7M), UBS Group AG ($1.8M), BlackRock, Inc. ($872,226), Polar Asset Management Partners Inc. ($797,325), GEODE CAPITAL MANAGEMENT, LLC ($576,201). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | VANGUARD GROUP INC | $2.7M | 10.3M | Added |
| 2 | UBS Group AG | $1.8M | 6.9M | Added |
| 3 | BlackRock, Inc. | $872,226 | 3.3M | Trimmed |
| 4 | Polar Asset Management Partners Inc. | $797,325 | 3.0M | New |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $576,201 | 2.2M | Added |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $273,193 | 1.0M | Trimmed |
| 7 | Spinnaker Investment Group, LLC | $272,805 | 1.0M | Hold |
| 8 | STATE STREET CORP | $257,463 | 982,684 | Added |
| 9 | Cambridge Investment Research Advisors, Inc. | $183,000 | 697,003 | Added |
| 10 | IMC-Chicago, LLC | $178,538 | 681,441 | Added |
| 11 | NORTHERN TRUST CORP | $136,018 | 519,151 | Added |
| 12 | Royal Bank of Canada | $136,000 | 518,050 | Trimmed |
| 13 | HAMILTON CAPITAL PARTNERS, LLC | $131,051 | 500,195 | New |
| 14 | GROUP ONE TRADING LLC | $130,289 | 497,287 | Trimmed |
| 15 | Caption Management, LLC | $124,450 | 475,000 | New |
| 16 | PEAK6 LLC | $104,769 | 399,881 | Trimmed |
| 17 | CITADEL ADVISORS LLC | $95,683 | 365,200 | Added |
| 18 | HighTower Advisors, LLC | $91,726 | 350,100 | New |
| 19 | SIMPLEX TRADING, LLC | $75,503 | 288,186 | Trimmed |
| 20 | JANE STREET GROUP, LLC | $56,312 | 214,931 | Added |
| 21 | ESSEX INVESTMENT MANAGEMENT CO LLC | $53,674 | 204,864 | Trimmed |
| 22 | D'Orazio & Associates, Inc. | $51,746 | 197,503 | Trimmed |
| 23 | OneDigital Investment Advisors LLC | $41,797 | 159,532 | Trimmed |
| 24 | Pinnacle Financial Partners, Inc. | $34,191 | 130,500 | Added |
| 25 | Focus Partners Wealth | $21,366 | 81,550 | New |
Source: SEC Form 13F filings · as of 2026-06-30