OESX ORION ENERGY SYSTEMS, INC.: institutional ownership and insider trading
35 funds reported holding $28.4M of ORION ENERGY SYSTEMS, INC. in their latest 13F filings; in Q2 2026 funds net sold $2.14M, with 5 new positions and 8 funds selling out; over the last 12 months insiders bought $351K and sold $0 on the open market; over its last four quarters it reported revenue of $92.5M and net income of $3.00K.
OESX revenue and earnings
- Quarter ended Jun 30, 2026: revenue $25.7M, net income $1.96M, EPS 0.47
- Quarter ended Mar 31, 2026: revenue $25.7M, net income −$1.54M, EPS -0.39
- Quarter ended Dec 31, 2025: revenue $21.1M, net income $160K, EPS 0.04
- Quarter ended Sep 30, 2025: revenue $19.9M, net income −$581K, EPS -0.17
Famous investors holding OESX
- Renaissance Technologies (Renaissance Technologies): $2.12M, 0.0% of the portfolio
Largest institutional holders of OESX
- GRACE & WHITE INC /NY — $7.69M
- North Star Investment Management Corp. — $6.16M
- Tieton Capital Management, LLC — $3.33M
- RENAISSANCE TECHNOLOGIES LLC — $2.12M
- VANGUARD GROUP INC — $2.00M
- VANGUARD CAPITAL MANAGEMENT LLC — $1.49M
- US BANCORP \DE\ (USB, USB-PA, USB-PH, USB-PP, USB-PQ, USB-PR, USB-PS) — $820K
- MARSHALL WACE, LLP — $717K
- ESSEX INVESTMENT MANAGEMENT CO LLC — $674K
- SEI INVESTMENTS CO (SEIC) — $648K
Recent OESX insider trades
- Aug 20, 2026: Wishart-Smith Heather L bought 1,054 shares ($20.0K)
- Jun 24, 2026: Washlow Sally A. bought 2,735 shares ($25.9K)
- Feb 27, 2026: Brodin J Per bought 500 shares ($5.54K)
- Nov 19, 2025: Washlow Sally A. bought 21,166 shares ($300K)
5%+ owners
- Orin Hirschman: 9.9% (Schedule 13G, filed Oct 19, 2026)
- Tieton Capital Management, LLC: 6.6% (Schedule 13G/A, filed May 13, 2026)
Who owns the most OESX stock?
The largest institutional holders of ORION ENERGY SYSTEMS, INC. in the latest 13F filings are GRACE & WHITE INC /NY ($7.69M), North Star Investment Management Corp. ($6.16M), Tieton Capital Management, LLC ($3.33M).
Are insiders buying or selling OESX?
Over the last 12 months insiders bought $351K and sold $0 of ORION ENERGY SYSTEMS, INC. stock on the open market (SEC Form 4).
Which famous investors own OESX?
Renaissance Technologies.
What was OESX's revenue last quarter?
ORION ENERGY SYSTEMS, INC. reported revenue of $25.7M for the quarter ended June 30, 2026, with net income of $1.96M.
Which ETFs hold OESX?
2 ETFs and mutual funds hold it among their top 100 positions, including NSIRX, ALTEX.