OESX · Insider trading · 13F holders · Congress trades
Orion Energy Systems, Inc. (OESX)
Who is buying and selling OESX: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 3
- Insider buys, 90 days
- $20K
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
OESX at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 OESX insider filed 1 open-market purchase worth $20K on SEC Form 4.
- 3 13F filers hold OESX among their 50 largest positions, worth $27.1M combined. The biggest bets by portfolio weight are Grace & White Inc /ny (1.3%), Tieton Capital Management, LLC (1.0%) and North Star Investment Management Corp. (0.9%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in OESX.
- OESX last closed at $20.40 on Oct 29, 2026.
OESX insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 OESX insider filed 1 open-market purchase worth $20K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 24, 2026 | Wishart-Smith Heather L | Director | Buy | 1,054 | $18.96 | $20K | SEC |
Who owns OESX? Hedge funds and superinvestors
3 13F filers hold OESX among their 50 largest positions, worth $27.1M combined. The biggest bets by portfolio weight are Grace & White Inc /ny (1.3%), Tieton Capital Management, LLC (1.0%) and North Star Investment Management Corp. (0.9%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| North Star Investment Management Corp.Wealth manager | 0.9% | $16.1M | 527,552 | — | Q3 2026 |
| Grace & White Inc /nyInvestment manager | 1.3% | $7.7M | 252,268 | — | Q3 2026 |
| Tieton Capital Management, LLCAsset manager | 1.0% | $3.3M | 284,526 | +6.8% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 2, Q2 2026: 1). Screen OESX in the grand portfolio →
OESX stock trades by members of Congress
No member of Congress has disclosed a trade in OESX.
OESX questions and answers
Are insiders buying OESX stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 OESX insider filed 1 open-market purchase worth $20K on SEC Form 4.
Which hedge funds own OESX?
3 13F filers hold OESX among their 50 largest positions, worth $27.1M combined. The biggest bets by portfolio weight are Grace & White Inc /ny (1.3%), Tieton Capital Management, LLC (1.0%) and North Star Investment Management Corp. (0.9%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded OESX?
No member of Congress has disclosed a trade in OESX.
Who is the largest holder of OESX?
Among 13F filers, North Star Investment Management Corp. reports the largest OESX position, $16.1M (527,552 shares) in its Q3 2026 13F. The biggest bet by portfolio weight is Grace & White Inc /ny's: 1.3% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.