ORION ENERGY SYSTEMS, INC.

OESXNASDAQ

$30.44-0.29 (-0.94%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

ORION ENERGY SYSTEMS, INC. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+269.9%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
North Star Investment Management Corp.	12.94%	$6.16M	0.33%	Add 0.27%
Grace & White Inc	6.47%	$3.08M	0.49%	Not reported
Renaissance Technologies LLC	4.46%	$2.12M	0.00%	Not reported
Vanguard Capital Management LLC	3.13%	$1.49M	0.00%	Not reported
US Bancorp \de\	1.72%	$820K	0.00%	Not reported
Marshall Wace, LLP	1.51%	$717K	0.00%	Not reported
Sei Investments Co	1.36%	$648K	0.00%	Not reported
Jane Street Group, LLC	1.32%	$628K	0.00%	Not reported
Geode Capital Management, LLC	0.94%	$446K	0.00%	Not reported
BlackRock, Inc.	0.91%	$431K	0.00%	Not reported
Bridgeway Capital Management, LLC	0.76%	$364K	0.01%	Not reported
Vanguard Fiduciary Trust Co	0.56%	$266K	0.00%	Not reported
Essex Investment Management Co LLC	0.51%	$241K	0.03%	Add 64.12%
Quadrature Capital Ltd	0.50%	$236K	0.00%	Not reported
Farther Finance Advisors, LLC	0.24%	$113K	0.00%	Not reported
Morgan Stanley	0.04%	$20.4K	0.00%	Not reported
IAG Wealth Partners, LLC	0.04%	$19.9K	0.00%	Not reported
Firsthand Capital Management, Inc.	0.03%	$16.4K	0.03%	Not reported
Axiom Investment Management LLC	0.03%	$14.1K	0.01%	Not reported
Vanguard Global Advisers, LLC	0.02%	$8.44K	0.00%	Not reported
Royal Bank of Canada	0.02%	$7K	0.00%	Not reported
JPMorgan Chase & Co	0.01%	$7K	0.00%	Not reported
Jones Financial Companies LLLP	0.01%	$4.28K	0.00%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.01%	$4.02K	0.00%	Not reported
Compass Financial Management LLC	0.01%	$3.13K	0.00%	Not reported
Wells Fargo & Company	0.00%	$2.34K	0.00%	Not reported
Osaic Holdings, Inc.	0.00%	$1.39K	0.00%	Not reported
Harbour Investments, Inc.	0.00%	$701	0.00%	Not reported
UBS Group AG	0.00%	$479	0.00%	Not reported
SBI Securities Co., Ltd.	0.00%	$362	0.00%	Not reported
Parallel Advisors, LLC	0.00%	$222	0.00%	Not reported
Barclays PLC	0.00%	$12	0.00%	Not reported

End of history · 32 holders

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