Security key
686275108
Orion Energy Systems, Inc. - Common Stock, no par value (OESX)
CUSIP: 686275108
Q1 2019 13F Holders as of 31 Mar 2019
- Security type / class
- Equity / Common Stock, no par value
- Total 13F shares
- 10,227,222
- Total 13F value
- $9,054,000
- Share change
- -385,846
- SEC-reported price per share
- $0.89
- Number of holders
- 20
- Value change
- -$326,892
- Number of buys
- 8
- Number of sells
- 6
- Shares outstanding
- 4,056,597
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2019
Institutions
20
Top holders
10
OESX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
ORION ENERGY SYSTEMS, INC. SEC filings
ORION ENERGY SYSTEMS, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 686275108
Recent filing periods:
Ownership snapshot
Top reported holders of OESX - Orion Energy Systems, Inc. - Common Stock, no par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
ARIEL INVESTMENTS, LLC
Disclosed value leader
ARIEL INVESTMENTS, LLC
Comparable rows
15/15
Latest evidence
31 Dec 2018
13F
Lead comparable stake: 88%
Showing 1-6 of 15 holder rows.
Quick read
ARIEL INVESTMENTS, LLC leads the comparable SEC ownership view at 88%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens ARIEL INVESTMENTS, LLC's linked filing trail.
Comparable ownership
Top 5
ARIEL INVESTMENTS, LLC
88%
North Star Investment Management ...
75%
Adirondack Research & Management ...
33%
RENAISSANCE TECHNOLOGIES LLC
29%
Penbrook Management LLC
16%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ARIEL INVESTMENTS, LLC |
13F
Company
|
88%
|
$2,029,000
3,553,817 shares
|
— | 31 Dec 2018 |
| North Star Investment Management Corp. |
13F
Company
|
75%
|
$1,747,000
3,059,748 shares
|
— | 31 Dec 2018 |
| Adirondack Research & Management Inc. |
13F
Company
|
33%
|
$757,000
1,324,977 shares
|
— | 31 Dec 2018 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
29%
|
$667,000
1,168,435 shares
|
— | 31 Dec 2018 |
| Penbrook Management LLC |
13F
Company
|
16%
|
$381,000
667,450 shares
|
— | 31 Dec 2018 |
| VANGUARD GROUP INC |
13F
Company
|
9.8%
|
$227,000
398,058 shares
|
— | 31 Dec 2018 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2019
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
20
Shares
10,227,222
Rows available
20
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2019 vs Q3 2025 Across Filers
Q3 2025 holders
3
Q1 2019 holders
20
Holder diff
17
| Investor | Q3 2025 Shares | Q1 2019 Shares | Share Diff | Share Chg % | Q3 2025 value | Q1 2019 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend