Stock Ownership/OESX

ORION ENERGY SYS INC (OESX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in OESX · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
2
13F filers
Aggregate Value
$2.8M
Across holders
Last Price
$20.99
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity2 increased0 reduced0 exited
Institutional Holders of OESX
↗
2 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund182K$2.1M74.8%0.0%Added+$37KQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund61K$717K25.2%0.0%Added+$199KQ2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$2.1M· 74.8% of total· 0.0% port· 182K sh· +$37K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$717K· 25.2% of total· 0.0% port· 61K sh· +$199K QoQ· Q2 2026
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