Latest Period
Q1 2026
Security Snapshot
ORION ENERGY SYSTEMS, INC. - Common stock, no par value (OESX) Institutional Ownership
CUSIP: 686275207
13F Institutional Holders and Ownership History from Q3 2025 to Q1 2026
Institutions Reporting
34
Shares (Excl. Options)
1,971,129
Price
$8.74
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- Type / Class
- Equity / Common stock, no par value
- Symbol
- OESX on Nasdaq
- Shares outstanding
- 3,530,710
- Price per share
- $8.74
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 1,971,129
- Total reported value
- $17,227,803
- % of total 13F portfolios
- 0%
- Share change
- +577,508
- Value change
- +$5,033,933
- Number of holders
- 34
- Price from insider filings
- $8.74
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- OESX - ORION ENERGY SYSTEMS, INC. - Common stock, no par value is tracked under CUSIP 686275207.
- 34 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 26 to 34 between Q4 2025 and Q1 2026.
- Reported value moved from $21,665,706 to $17,227,803.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 34 institutions filings for Q1 2026.
Security key
686275207
Latest holder period
Q1 2026
13F holders
34
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
OESX full holder history
ORION ENERGY SYSTEMS, INC. SEC filings
ORION ENERGY SYSTEMS, INC. company facts
ORION ENERGY SYSTEMS, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 686275207:
Significant Owners of ORION ENERGY SYSTEMS, INC. - Common stock, no par value (OESX) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| GRACE & WHITE INC /NY | 6.3% | $3,612,891 | 223,847 | Grace & White, Inc. | 31 Dec 2025 |
As of 31 Mar 2026, 34 institutional investors reported holding 1,971,129 shares of ORION ENERGY SYSTEMS, INC. - Common stock, no par value (OESX). This represents 56% of the company’s total 3,530,710 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of ORION ENERGY SYSTEMS, INC. - Common stock, no par value (OESX) together control 56% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| North Star Investment Management Corp. | 15% | 525,552 | +29% | 0.28% | $4,593,324 |
| Tieton Capital Management, LLC | 7.5% | 266,476 | +4% | 0.78% | $2,329,000 |
| GRACE & WHITE INC /NY | 6.8% | 241,387 | +9.2% | 0.37% | $2,109,722 |
| RENAISSANCE TECHNOLOGIES LLC | 5.1% | 178,469 | +32% | 0% | $1,559,819 |
| MYDA Advisors LLC | 3.8% | 133,505 | 0.28% | $1,166,834 | |
| SEI INVESTMENTS CO | 3.7% | 130,101 | +114% | 0% | $1,137,083 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.2% | 111,924 | 0% | 0% | $978,216 |
| Manatuck Hill Partners, LLC | 2% | 71,428 | 0.2% | $624,281 | |
| US BANCORP \DE\ | 2% | 70,155 | +20% | 0% | $613,155 |
| MARSHALL WACE, LLP | 1.6% | 56,924 | +24% | 0% | $497,516 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 40,098 | +15% | 0% | $350,530 |
| JANE STREET GROUP, LLC | 0.77% | 27,150 | 0% | $237,291 | |
| BlackRock, Inc. | 0.69% | 24,209 | 0% | 0% | $211,587 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.68% | 23,940 | 0% | $209,236 | |
| VANGUARD FIDUCIARY TRUST CO | 0.49% | 17,312 | 0% | 0% | $151,307 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 0.36% | 12,557 | 0.02% | $109,748 | |
| Trexquant Investment LP | 0.35% | 12,376 | 0% | $108,166 | |
| XTX Topco Ltd | 0.32% | 11,194 | 0% | $97,836 | |
| Quadrature Capital Ltd | 0.29% | 10,080 | -23% | 0% | $88,099 |
| IAG Wealth Partners, LLC | 0.05% | 1,700 | 0% | 0% | $14,858 |
| Firsthand Capital Management, Inc. | 0.04% | 1,400 | 0% | 0.03% | $12,236 |
| MORGAN STANLEY | 0.02% | 877 | 0% | 0% | $7,665 |
| Vanguard Global Advisers, LLC | 0.02% | 722 | 0% | 0% | $6,310 |
| UBS Group AG | 0.01% | 420 | +128% | 0% | $3,671 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | 344 | 0% | $3,007 |