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Who owns Orion Energy Systems (OESX) stock

33 funds reported Orion Energy Systems (OESX) shares in their latest 13F filings, worth $37.5M in all. The largest holder is Aigh Capital Management LLC ($12.4M). Last quarter 11 funds added to their stakes and 15 cut them.

Largest holders of OESX (13F)Largest holders of OESX (13F)Aigh Capital Management LLC$12.4MGrace & White$7.7MNorth Star Investment Management$6.2MRenaissance Technologies LLC$2.1MVanguard Group$2.0MVanguard Capital Management LLC$1.5MUS Bancorp$820KMarshall Wace, LLP$717KEssex Investment Management Co LLC$674KSEI Investments$648K

Largest holders (13F)

FundSharesValueChangeQuarter
Aigh Capital Management LLC407,000$12.4Mnew2026-09-30
Grace & White252,268$7.7Mdecrease2026-09-30
North Star Investment Management526,952$6.2Mincrease2026-06-30
Renaissance Technologies LLC181,669$2.1Mincrease2026-06-30
Vanguard Group129,958$2.0Mincrease2025-12-31
Vanguard Capital Management LLC127,484$1.5Mincrease2026-06-30
US Bancorp70,155$820Kunchanged2026-06-30
Marshall Wace, LLP61,342$717Kincrease2026-06-30
Essex Investment Management Co LLC22,089$674Kincrease2026-09-30
SEI Investments55,406$648Kdecrease2026-06-30
Jane Street Group, LLC53,685$628Kincrease2026-06-30
Geode Capital Management, LLC38,125$446Kdecrease2026-06-30
BlackRock36,890$431Kincrease2026-06-30
Bridgeway Capital Management, LLC31,140$364Kincrease2026-06-30
Vanguard Fiduciary Trust22,796$266Kincrease2026-06-30

Orion Energy Systems' latest quarter

Orion Energy Systems, Q2 FY27: revenue $21.7M (+9% year over year), operating margin -3.4%, net loss $810K, operating cash flow −$3.4M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most OESX stock?

By the latest 13F filings: Aigh Capital Management LLC ($12.4M); Grace & White ($7.7M); North Star Investment Management ($6.2M); Renaissance Technologies LLC ($2.1M); Vanguard Group ($2.0M).

What is the short interest in OESX?

114,076 shares were sold short at the 2026-10-15 settlement, -24.57% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.