Orion Energy SystemsOESX
13F holders, Q1 2026 (March 31)36holders +10
9new positions
2sold out
1famous investor
$8.74avg. 13F price*
At the end of Q1 2026, 36 institutions reported holding Orion Energy Systems Inc. (OESX) in their 13F filings, up 10 from Q4 2025. 9 opened new positions and 2 sold out. The largest holders were North Star Investment Management Corp. ($4.6M), Tieton Capital Management, LLC ($2.3M) and Grace & White Inc. ($2.1M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Orion Energy Systems Inc.
- CUSIP
- 686275207
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 9 | $2.6M |
| Exits | 2 | $31K |
All 13F filers, Q4 2025 → Q1 2026: 591,726 shares bought and 5,160 shares sold, net +586,566 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 36 holders
| North Star Investment Management Corp. | 0.28% | Add +29.0% | 525,552 | $4.6M |
| Tieton Capital Management, LLC | 0.78% | Add +4.0% | 266,476 | $2.3M |
| Grace & White Inc. | 0.38% | Add +9.2% | 241,387 | $2.1M |
| Renaissance Technologies | 0.00% | Add +32.4% | 178,469 | $1.6M |
| MYDA Advisors LLC | 0.28% | New | 133,505 | $1.2M |
| Sei Investments Co. | 0.00% | Add +114.3% | 130,101 | $1.1M |
| Vanguard Capital Management LLC | 0.00% | — | 111,924 | $978K |
| Manatuck Hill Partners, LLC | 0.20% | New | 71,428 | $624K |
| US Bancorp \de | 0.00% | Add +19.8% | 70,155 | $613K |
| Marshall Wace, LLP | 0.00% | Add +24.0% | 56,924 | $498K |
| Geode Capital Management, LLC | 0.00% | Add +14.6% | 40,098 | $351K |
| Jane Street Group, LLC | 0.00% | New | 27,150 | $237K |
| BlackRock, Inc. | 0.00% | No change | 24,209 | $212K |
| NewEdge Advisors, LLC | 0.00% | Add +60.1% | 24,140 | $211K |
| Bridgeway Capital Management, LLC | 0.00% | New | 23,940 | $209K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 17,312 | $151K |
| Essex Investment Management Co. LLC | 0.02% | New | 12,557 | $110K |
| Trexquant Investment LP | 0.00% | New | 12,376 | $108K |
| XTX Topco Ltd | 0.00% | New | 11,194 | $98K |
| Quadrature Capital Ltd | 0.00% | Reduce -23.4% | 10,080 | $88K |
| IAG Wealth Partners, LLC | 0.00% | No change | 1,700 | $15K |
| Firsthand Capital Management, Inc. | 0.03% | No change | 1,400 | $12K |
| Axiom Investment Management LLC | 0.01% | — | 1,206 | $11K |
| Morgan Stanley | 0.00% | No change | 877 | $8K |
| Vanguard Global Advisers, LLC | 0.00% | — | 722 | $6K |
| UBS Group AG | 0.00% | Add +128.3% | 420 | $4K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 344 | $3K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 288 | $3K |
| Wells Fargo & Company | 0.00% | No change | 200 | $2K |
| Jones Financial Companies LLLP | 0.00% | Add +70.7% | 128 | $1K |
| Osaic Holdings, Inc. | 0.00% | Reduce -26.1% | 119 | $1K |
| Harbour Investments, Inc. | 0.00% | No change | 40 | $350 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -13.9% | 31 | $271 |
| Parallel Advisors, LLC | 0.00% | No change | 19 | $166 |
| IFP Advisors, Inc | 0.00% | No change | 3 | $26 |
| Citigroup Inc. | 0.00% | No change | 1 | $9 |
"% of holder's portfolio" is OESX's weight in each manager's 13F, not the share of Orion Energy Systems Inc. the manager owns.