ORION ENERGY SYSTEMS, INC. - OESX
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| North Star Investment Management Corp. | History | Added to | 525,552 | 4,593 | 0.28% | 0.39% | 1 | +118,100 | 28.99% | Q1 2026 | Apr 23, 2026 |
| Tieton Capital Management, LLC | History | Added to | 266,476 | 2,329 | 0.78% | 1.35% | 2 | +10,282 | 4.01% | Q1 2026 | May 08, 2026 |
| GRACE & WHITE INC /NY | History | Added to | 241,387 | 2,109 | 0.37% | 0.61% | 3 | +20,400 | 9.23% | Q1 2026 | Apr 21, 2026 |
| VANGUARD GROUP INC | History | No change | 129,958 | 1,998 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 178,469 | 1,559 | 0.0% | 0.0% | 5 | +43,693 | 32.42% | Q1 2026 | May 14, 2026 |
| MYDA Advisors LLC | History | New | 133,505 | 1,166 | 0.19% | — | 6 | +133,505 | New | Q1 2026 | May 14, 2026 |
| SEI INVESTMENTS CO | History | Added to | 130,101 | 1,137 | 0.0% | 0.0% | 7 | +69,387 | 114.29% | Q1 2026 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 111,924 | 978 | 0.0% | — | 8 | +111,924 | New | Q1 2026 | May 15, 2026 |
| Manatuck Hill Partners, LLC | History | New | 71,428 | 624 | 0.17% | — | 9 | +71,428 | New | Q1 2026 | May 15, 2026 |
| US BANCORP \DE\ | History | Added to | 70,155 | 613 | 0.0% | 0.0% | 10 | +11,600 | 19.81% | Q1 2026 | May 14, 2026 |
| MARSHALL WACE, LLP | History | Added to | 56,924 | 497 | 0.0% | 0.0% | 11 | +11,028 | 24.03% | Q1 2026 | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 40,098 | 350 | 0.0% | 0.0% | 12 | +5,107 | 14.6% | Q1 2026 | May 15, 2026 |
| JANE STREET GROUP, LLC | History | New | 27,150 | 237 | 0.0% | — | 13 | +27,150 | New | Q1 2026 | May 12, 2026 |
| BlackRock, Inc. | History | No change | 24,209 | 211 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | New | 23,940 | 209 | 0.0% | — | 15 | +23,940 | New | Q1 2026 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 17,312 | 151 | 0.0% | — | 16 | +17,312 | New | Q1 2026 | May 08, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | New | 12,557 | 109 | 0.02% | — | 17 | +12,557 | New | Q1 2026 | May 11, 2026 |
| Trexquant Investment LP | History | New | 12,376 | 108 | 0.0% | — | 18 | +12,376 | New | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | New | 11,194 | 97 | 0.0% | — | 19 | +11,194 | New | Q1 2026 | May 15, 2026 |
| Quadrature Capital Ltd | History | Reduced | 10,080 | 88 | 0.0% | 0.0% | 20 | -3,076 | -23.38% | Q1 2026 | May 15, 2026 |
| IAG Wealth Partners, LLC | History | No change | 1,700 | 14 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |
| Firsthand Capital Management, Inc. | History | No change | 1,400 | 12 | 0.03% | 0.04% | 22 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| MORGAN STANLEY | History | No change | 877 | 7 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Vanguard Global Advisers, LLC | History | New | 722 | 6 | 0.0% | — | 24 | +722 | New | Q1 2026 | May 08, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | New | 344 | 3 | 0.0% | — | 26 | +344 | New | Q1 2026 | May 13, 2026 |
| UBS Group AG | History | Added to | 420 | 3 | 0.0% | 0.0% | 25 | +236 | 128.26% | Q1 2026 | May 05, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 288 | 2 | 0.0% | — | 27 | +288 | New | Q1 2026 | May 15, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Added to | 128 | 1 | 0.0% | 0.0% | 29 | +53 | 70.67% | Q1 2026 | May 15, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 119 | 1 | 0.0% | 0.0% | 30 | -42 | -26.09% | Q1 2026 | May 15, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 200 | 1 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| NewEdge Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,082 | -100.0% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -2,027 | -100.0% | Q1 2026 | May 15, 2026 |
| EverSource Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -10 | -100.0% | Q1 2026 | May 15, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 31 | 0 | — | — | — | -5 | -13.89% | Q1 2026 | Apr 27, 2026 |
| HARBOUR INVESTMENTS, INC. | History | No change | 40 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| IFP Advisors, Inc | History | No change | 3 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 13, 2026 |
| Parallel Advisors, LLC | History | No change | 19 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 07, 2026 |