13F reference period
Q2 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 Q3 2026
Institutions Reporting
34
Shares (Excl. Options)
1.81M
Full value: 1,813,786 · shares · 30 Jun 2026Price
$11.69
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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- Security type / class
- Equity / Common Stock, no par value
- Symbol
- OESX on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 1,813,786
- Total 13F value
- $21,202,687
- Portfolio coverage rank
- 0%
- Share change
- -182,957
- Value change
- -$1,393,027
- Number of holders
- 34
- Shares outstanding
- 4,111,111
- SEC-reported price per share
- $30.50
- Insider filing price
- $30.50
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- OESX - ORION ENERGY SYSTEMS, INC. - Common Stock, no par value is tracked under CUSIP 686275207.
- 34 institutions reported positions in Q2 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 36 to 34 between Q1 2026 and Q2 2026.
- SEC-reported value moved from to
$17.45M
Full value: $17,449,328 · USD · 31 Mar 2026.$21.2M
Full value: $21,202,687 · USD · 30 Jun 2026
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 Q2 2026.
Security key
686275207
13F reference period
Q2 2026
13F holders
34
13D/G owners
2
CIK / CUSIP context first
Open Q2 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:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
OESX
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| HIRSCHMAN ORIN | 9.9% | $12,413,500 | 407,000 | Orin Hirschman | 30 Sep 2026 | |||
| GRACE & WHITE INC /NY | 6.3% | $3,612,891 | 223,847 | Grace & White, Inc. | 31 Dec 2025 |
As of 30 Jun 2026,
34
institutional investors reported holding
shares of
ORION ENERGY SYSTEMS, INC. - Common Stock, no par value (OESX).
This represents
44%
of the company’s total
outstanding shares.
1.81M
Full value: 1,813,786 · shares · 30 Jun 20264.11M
Full value: 4,111,111 · shares · Stored outstanding share count13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
44%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| North Star Investment Management Corp. | 13% | 526,952 | +0.27% | 0.33% | $6,160,069 |
| Tieton Capital Management, LLC | 6.9% | 284,526 | +6.8% | 0.96% | $3,326,000 |
| GRACE & WHITE INC /NY | 6.4% | 263,613 | +9.2% | 0.49% | $3,081,636 |
| RENAISSANCE TECHNOLOGIES LLC | 4.4% | 181,669 | +1.8% | 0% | $2,123,711 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.1% | 127,484 | +14% | 0% | $1,490,288 |
| US BANCORP \DE\ | 1.7% | 70,155 | 0% | 0% | $820,112 |
| MARSHALL WACE, LLP | 1.5% | 61,342 | +7.8% | 0% | $717,088 |
| SEI INVESTMENTS CO | 1.3% | 55,406 | -57% | 0% | $647,690 |
| JANE STREET GROUP, LLC | 1.3% | 53,685 | +98% | 0% | $627,578 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.93% | 38,125 | -4.9% | 0% | $445,788 |
| BlackRock, Inc. | 0.9% | 36,890 | +52% | 0% | $431,244 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.76% | 31,140 | +30% | 0.01% | $364,027 |
| VANGUARD FIDUCIARY TRUST CO | 0.55% | 22,796 | +32% | 0% | $266,485 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 0.5% | 20,608 | +64% | 0.03% | $240,908 |
| Quadrature Capital Ltd | 0.49% | 20,219 | +101% | 0% | $236,360 |
| Farther Finance Advisors, LLC | 0.24% | 9,700 | 0% | $113,393 | |
| MORGAN STANLEY | 0.04% | 1,747 | +99% | 0% | $20,422 |
| IAG Wealth Partners, LLC | 0.04% | 1,700 | 0% | 0% | $19,873 |
| Firsthand Capital Management, Inc. | 0.03% | 1,400 | 0% | 0.03% | $16,366 |
| Axiom Investment Management LLC | 0.03% | 1,206 | 0% | 0.01% | $14,098 |
| Vanguard Global Advisers, LLC | 0.02% | 722 | 0% | 0% | $8,440 |
| ROYAL BANK OF CANADA | 0.02% | 634 | 0% | $7,000 | |
| JPMORGAN CHASE & CO | 0.01% | 591 | 0% | $7,000 | |
| JONES FINANCIAL COMPANIES LLLP | 0.01% | 378 | +195% | 0% | $4,279 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | 344 | 0% | 0% | $4,021 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
5
Headline period
Q2 2026
Rows shown
1-5 of 5
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 282,879 | $8,627,810 | -$337,727 | $30.50 | 4 |
| 2026 Q2 | 1,813,786 | $21,202,687 | -$1,393,027 | $11.69 | 34 |
| 2026 Q1 | 1,996,475 | $17,449,328 | +$5,113,100 | $8.74 | 36 |
| 2025 Q4 | 1,408,703 | $21,665,706 | +$635,259 | $15.38 | 26 |
| 2025 Q3 | 1,374,620 | $12,037,806 | +$12,037,806 | $8.76 | 25 |