Ocean Power Technologies, Inc. (OPTT) ownership: Top institutional holder: VANGUARD CAPITAL MANAGEMENT LLC ($3.00M). Insider activity: Net Seller (3 buys, 12 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 8578522.00 | $3.00M | 2026-03-31 |
| VANGUARD GROUP INC | 6935047.00 | $2.08M | 2025-12-31 |
| UBS Group AG | 3981442.00 | $1.39M | 2026-03-31 |
| BlackRock, Inc. | 3329109.00 | $1.17M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 2155409.00 | $754641.00 | 2026-03-31 |
| VANGUARD FIDUCIARY TRUST CO | 1034207.00 | $361972.00 | 2026-03-31 |
| STATE STREET CORP | 810284.00 | $283599.00 | 2026-03-31 |
| Spinnaker Investment Group, LLC | 1041240.00 | $272805.00 | 2026-06-30 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-03-05 | |
| Buy | null | 2026-03-05 | |
| Buy | null | 2026-03-05 | |
| Sell | null | 2026-01-30 | |
| Sell | null | 2026-01-30 | |
| Sell | null | 2026-01-30 | |
| Sell | null | 2026-01-30 | |
| Sell | null | 2026-01-30 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.