Ocean Power Technologies, Inc.
OPTT- Exchange
- NYSE
- Industry
- Electric Services
- SEC CIK
- 0001378140
No open-market purchases or sales by Ocean Power Technologies, Inc. insiders were filed in the last 90 days; 81 institutions reported holding it in 13F filings for Q2 2026, worth $8.83M in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +14 vs. previous quarter
- 81
- 13F valueReported value at the end of Q2 2026
- $8.83M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding OPTT, Q2 2026
No superinvestor reported holding OPTT at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Ocean Power Technologies, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 16, 2025 (view filing)4:05 PM ET | Dec 16 | Same day | Stratmann PhilippPresident and CEO | PPurchase | +7.75K | $0.33 | +$2.56K | +1.5%518.4K after | |
| Dec 15, 2025 (view filing)4:05 PM ET | Dec 15 | Same day | Stratmann PhilippPresident and CEO | PPurchase | +6.30K | $0.3449 | +$2.17K | +1.2%510.7K after | |
| Dec 15, 2025 (view filing)4:05 PM ET | Dec 15 | Same day | Powers Robert PatrickCFO | PPurchase | +14.7K | $0.3396 | +$5.00K | +5.8%268.1K after | |
| Sep 18, 2025 (view filing) | Sep 17 | 1 day | Stratmann PhilippPresident and CEO | PPurchase | +3.99K | $0.50 | +$1.99K | +0.8%517.7K after | |
| Nov 26, 2024 (view filing)5:12 PM ET | Nov 25 | 1 day | Slaiby Peter E.Director | PPurchase | +35.0K | $0.1918 | +$6.71K | +16.9%241.9K after | |
| Nov 15, 2024 (view filing)9:00 AM ET | Nov 13 | 2 days | Cryan Terence JamesDirector | PPurchase | +100.0K | $0.148 | +$14.8K | +38.7%358.7K after | |
| Oct 2, 2023 (view filing)9:15 AM ET | Sep 28 | 4 days | Slaiby Peter E.Director | PPurchase | +25.0K | $0.39 | +$9.75K | +34.9%96.6K after | |
| Sep 20, 2023 (view filing)4:05 PM ET | Sep 18 | 2 days | Powers Robert PatrickSenior VP and CFO | PPurchase | +12.3K | $0.401 | +$4.95K | +74.6%28.9K after | |
| Sep 19, 2023 (view filing) | Sep 15-18 | 4 days | Cryan Terence JamesDirector | PPurchase | +45.0K | – | – | +43.4%148.6K after | 2 lots |
| Sep 18, 2023 (view filing)5:18 PM ET | Sep 15 | 3 days | Stratmann PhilippPresident and CEO | PPurchase | +12.1K | $0.4126 | +$5.00K | +14.8%93.8K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Ocean Power Technologies, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 8,919,165 | $2.34M | 0.00% | +340,643+4.0% | Added |
| UBS Group AG | 6,869,388 | $1.80M | 0.00% | +2,887,946+72.5% | Added |
| BlackRock, Inc. | 3,329,108 | $872.2K | 0.00% | −10.0% | Reduced |
| Polar Asset Management Partners Inc. | 3,043,227 | $797.3K | 0.01% | +3,043,227 | New |
| Geode Capital Management, LLC | 2,198,484 | $576.2K | 0.00% | +43,075+2.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 1,394,006 | $366.0K | 0.00% | +1,097,006+369.4% | Added |
| Vanguard Fiduciary Trust Co | 1,387,399 | $363.5K | 0.00% | +353,192+34.2% | Added |
| Spinnaker Investment Group, LLC | 1,041,240 | $272.8K | 0.04% | 00.0% | Unchanged |
| State Street Corp | 982,684 | $257.5K | 0.00% | +172,400+21.3% | Added |
| Northern Trust Corp | 519,151 | $136.0K | 0.00% | +169,793+48.6% | Added |