Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in OPTT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 8.6M | $3.0M | β | 4.400% | 0.00% |
| 2 | UBS Group AG | 4.0M | $1.4M | +134.1% | 2.042% | 0.00% |
| 3 | BlackRock, Inc. | 3.3M | $1.2M | +18.1% | 1.708% | 0.00% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 2.2M | $755K | +15.4% | 1.106% | 0.00% |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.1M | $399K | +32.0% | 0.585% | 0.00% |
| 6 | Spinnaker Investment Group, LLC | 1.0M | $364K | β | 0.534% | 0.07% |
| 7 | VANGUARD FIDUCIARY TRUST CO | 1.0M | $362K | β | 0.530% | 0.00% |
| 8 | STATE STREET CORP | 810K | $284K | +3.0% | 0.416% | 0.00% |
| 9 | ROYAL BANK OF CANADA | 706K | $247K | +1383331.4% | 0.362% | 0.00% |
| 10 | D'Orazio & Associates, Inc. | 405K | $142K | β | 0.208% | 0.02% |
| 11 | NORTHERN TRUST CORP | 349K | $122K | 0.0% | 0.179% | 0.00% |
| 12 | ESSEX INVESTMENT MANAGEMENT CO LLC | 205K | $72K | +17.5% | 0.105% | 0.01% |
| 13 | Resources Investment Advisors, LLC. | 182K | $64K | β | 0.093% | 0.00% |
| 14 | MONETA GROUP INVESTMENT ADVISORS LLC | 158K | $55K | β | 0.081% | 0.00% |
| 15 | SIMPLEX TRADING, LLC | 152K | $53K | -15.9% | 0.078% | 0.00% |
| 16 | GROUP ONE TRADING, L.P. | 141K | $49K | -61.9% | 0.072% | 0.00% |
| 17 | Pinnacle Financial Partners, Inc. | 101K | $35K | +99.0% | 0.052% | 0.00% |
| 18 | Private Advisor Group, LLC | 100K | $35K | β | 0.051% | 0.00% |
| 19 | ADVISOR GROUP HOLDINGS, INC. | 90K | $32K | +28.5% | 0.046% | 0.00% |
| 20 | Advisory Services Network, LLC | 65K | $23K | 0.0% | 0.033% | 0.00% |
| 21 | DIVERSIFY WEALTH MANAGEMENT, LLC | 60K | $21K | β | 0.031% | 0.00% |
| 22 | Morton Brown Family Wealth, LLC | 58K | $20K | +308.0% | 0.030% | 0.01% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 50K | $18K | 0.0% | 0.026% | 0.00% |
| 24 | Legato Capital Management LLC | 48K | $17K | 0.0% | 0.025% | 0.00% |
| 25 | Sargent Investment Group, LLC | 45K | $16K | +0.4% | 0.023% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in OPTT β a direct measure of their conviction.
Filings activity in OPTT during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 67 | +20% | 16.69% | +6.69 pp | $9M | +67% |
| Q4 2025 | 56 | +1.8% | 10.00% | 7.58 pp | $5M | 43% |
| Q3 2025 | 55 | +17% | 17.58% | +3.38 pp | $9M | +24% |
| Q2 2025 | 47 | +6.8% | 14.20% | +1.42 pp | $8M | +11% |
| Q1 2025 | 44 | 12% | 12.78% | 5.20 pp | $7M | 29% |
| Q4 2024 | 50 | +39% | 17.98% | +16.76 pp | $10M | +1378% |
| Q3 2024 | 36 | +13% | 1.22% | 0.12 pp | $1M | 9.5% |
| Q2 2024 | 32 | β | 1.34% | β | $1M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying OPTT stock.
Based on Q1 2026 13F filings, institutional ownership of Ocean Power Technologies, Inc. stands at 16.7%, held across 67 reporting institutions.
VANGUARD CAPITAL MANAGEMENT LLC is the largest reported institutional holder of OPTT, with approximately 8,578,522 shares worth $0.00B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of OPTT, including SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for OPTT is 64 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
23 institutions opened new positions in OPTT during Q1 2026, while 12 fully exited. 33 added to existing positions and 7 trimmed.
OPTT institutional ownership rose by 6.69 percentage points quarter-over-quarter, with a net change of +11 holders.
The top 10 institutions account for 90.9% of all reported 13F value in OPTT, and the top 25 account for 98.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.