ORION ENERGY SYSTEMS INC (OESX) Institutional Ownership Changes & 13F Activity

ORION ENERGY SYSTEMS INC (OESX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q3 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Aigh Capital Management Llc, Tieton Capital Management, Llc, Renaissance Technologies LLC, Vanguard Capital Management Llc, and Us Bancorp \De\.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Aigh Capital Management LlcBuy+407,000—407,000$12.41MQ3 2026Nov 02, 2026
Caitong International Asset Management Co., LtdBuy+4—4$122.00Q3 2026Oct 29, 2026
North Star Investment Management Corp.Buy+600+0.1%527,552$16.09MQ3 2026Oct 27, 2026
Grace & White IncSell-11,345-4.3%252,268$7.69MQ3 2026Oct 23, 2026
Sbi Securities Co., Ltd.Sell-9-29.0%22$671.00Q3 2026Oct 22, 2026
Essex Investment Management Co LlcBuy+1,481+7.2%22,089$673.72KQ3 2026Oct 19, 2026
Farther Finance Advisors, LlcSell-1,200-12.4%8,500$259.25KQ3 2026Oct 08, 2026
Sei Investments CoSell-55,406-100.0%0$0.00Q3 2026Aug 14, 2026
Jane Street Group, LlcSell-53,685-100.0%0$0.00Q3 2026Aug 14, 2026
Bridgeway Capital Management, LlcSell-31,140-100.0%0$0.00Q3 2026Aug 14, 2026
Firsthand Capital Management, Inc.Sell-1,400-100.0%0$0.00Q3 2026Aug 14, 2026
Royal Bank Of CanadaSell-634-100.0%0$0.00Q3 2026Aug 14, 2026
Jones Financial Companies LllpSell-378-100.0%0$0.00Q3 2026Aug 14, 2026
Wells Fargo & Company/MnSell-200-100.0%0$0.00Q3 2026Aug 14, 2026
Osaic Holdings, Inc.Sell-119-100.0%0$0.00Q3 2026Aug 14, 2026
Barclays PlcSell-1-100.0%0$0.00Q3 2026Aug 14, 2026
Renaissance Technologies LLCSell-181,669-100.0%0$0.00Q3 2026Aug 13, 2026
Vanguard Capital Management LlcSell-127,484-100.0%0$0.00Q3 2026Aug 13, 2026
Marshall Wace, LlpSell-61,342-100.0%0$0.00Q3 2026Aug 13, 2026
Vanguard Fiduciary Trust CoSell-22,796-100.0%0$0.00Q3 2026Aug 13, 2026
Morgan StanleySell-1,747-100.0%0$0.00Q3 2026Aug 13, 2026
Vanguard Global Advisers, LlcSell-722-100.0%0$0.00Q3 2026Aug 13, 2026
Ubs Group AgSell-41-100.0%0$0.00Q3 2026Aug 13, 2026
Us Bancorp \De\Sell-70,155-100.0%0$0.00Q3 2026Aug 12, 2026
Geode Capital Management, LlcSell-38,125-100.0%0$0.00Q3 2026Aug 12, 2026
Jpmorgan Chase & CoSell-591-100.0%0$0.00Q3 2026Aug 12, 2026
Harbour Investments, Inc.Sell-60-100.0%0$0.00Q3 2026Aug 12, 2026
Tieton Capital Management, LlcSell-284,526-100.0%0$0.00Q3 2026Aug 10, 2026
National Bank Of CanadaSell-15-100.0%0$0.00Q3 2026Aug 10, 2026
Blackrock, Inc.Sell-36,890-100.0%0$0.00Q3 2026Aug 07, 2026
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Frequently asked questions about OESX activity

  • Which institutional owners are buying OESX?

    Institutional owners buying OESX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in OESX activity?

    "Buy" means an investor increased their reported position in OESX compared to the prior reporting period. This reflects growing exposure to ORION ENERGY SYSTEMS INC (OESX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in OESX increasing?

    Institutional interest in OESX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

OESX Institutional Ownership Changes and 13F Activity Q3 2026 | InsiderSet