Orion Energy Systems
OESX · NASDAQ
$21.49−$1.31 (−5.75%)TodayMarket closed ·
Prev close $22.80
Who owns OESX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 47.4% of OESX’s shares.
- North Star Investment Management Corporation13.0%
- Tieton Capital Management, LLC7.0%
- Connors (Kathleen M)6.5%
- Grace & White, Inc.6.5%
- Next 6 largest institutions14.4%
- All other shareholders52.6%
| Holder | Shares | % of shares |
|---|---|---|
| North Star Investment Management Corporation | 526.95K | 12.98% |
| Tieton Capital Management, LLC | 284.53K | 7.01% |
| Connors (Kathleen M) | 265.76K | 6.55% |
| Grace & White, Inc. | 263.61K | 6.49% |
| Renaissance Technologies LLC | 181.67K | 4.47% |
| Vanguard Capital Management, LLC | 127.48K | 3.14% |
| Green (Scott A.) | 87.24K | 2.15% |
| U.S. Bancorp Asset Management, Inc. | 70.16K | 1.73% |
| Marshall Wace LLP | 61.34K | 1.51% |
| Jenkins (Michael H) | 57.06K | 1.41% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| North Star Opportunity Fund | 295.00K | 7.27% |
| Vanguard Total Stock Market Index Fund | 84.61K | 2.08% |
| Vanguard Extended Market Index Fund | 40.03K | 0.99% |
| Bridgeway Ultra-Small Company Fund | 31.14K | 0.77% |
| Fidelity Extended Market Index Fund | 17.04K | 0.42% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $45.92K (3 trades) of OESX on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Wishart-Smith Heather L | Buy | 1.05K | $19.99K |
| Wishart-Smith Heather L | Award | 2.53K | — |
| Washlow Sally A. | Award | 25.00K | — |
| Washlow Sally A. | Award | 12.00K | — |
| Shapiro Richard A | Award | 2.53K | — |
| Otten Anthony L. | Award | 2.53K | — |
| Green Scott A. | Award | 17.50K | — |
| Green Scott A. | Award | 9.00K | — |
| RICHSTONE ELLEN B | Award | 2.53K | — |
| BRODIN J PER | Award | 17.50K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 151.23K
- Days to cover
- 2.57
- % of shares outstanding
- 3.72%
- Average daily volume
- 58.88K
- Change since last report
- −10.1%
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