Orion Energy Systems, Inc. (OESX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

1,987,521Shares held by institutions

$17,788,313Value of institutional holdings

435.09%Institutional ownership %

3.58%Shares Changed QoQ

36No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Orion Energy Systems, Inc. (NASDAQ:OESX) showed up in the 13F filings of 26 institutional investors as of December 2025.

Their combined ownership stood at 38.7% of outstanding shares in December 2025, down from 39.9% in September 2025.
Their total shares held in OESX increased 3.59% from the prior quarter, while the number of investors in Orion Energy Systems decreased 38.1% year over year.
Among the 26 funds, 12 bought more Orion Energy Systems shares, 7 sold down, and 7 held their ground.
In total, institutional investors held 1.41Mn shares in Orion Energy Systems as of December 2025, up by 48.83K shares quarter on quarter, and down 13.8Mn shares year over year.
North Star Investment Management Corp. holds the largest position in OESX at 407.45K shares as of December 31, 2025, or 11.2% of shares outstanding.
The largest buyers of Orion Energy Systems for the quarter ending December 2025 were Sei Investments Co (60.71K), MARSHALL WACE, LLP (45.9K), North Star Investment Management Corp. (24.0K), NewEdge Advisors, LLC (15.08K), Quadrature Capital Ltd (13.16K).
The biggest sellers of Orion Energy Systems for the quarter ending December 2025 included GRACE & WHITE INC /NY (73.58K), Us Bancorp \De\ (38.26K), GEODE CAPITAL MANAGEMENT, LLC (3.1K), Bank Of America Corp /De/ (2.03K), UBS Group AG (171).
Business Quant data shows the 10 biggest positions in Orion Energy Systems as of December 2025 are held by North Star Investment Management Corp. (407.45K), Tieton Capital Management, LLC (256.19K), GRACE & WHITE INC /NY (220.99K), RENAISSANCE TECHNOLOGIES LLC (134.78K), VANGUARD GROUP INC (129.96K), Sei Investments Co (60.71K), Us Bancorp \De\ (58.56K), MARSHALL WACE, LLP (45.9K), GEODE CAPITAL MANAGEMENT, LLC (34.99K), BlackRock, Inc. (24.21K).

26 Institutional Holders

1,987,521 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	0	0.00%	$0.00
North Star Investment Management Corp.	31 Dec, 2025	23,998	6.26%	$0.00
NewEdge Advisors, LLC	31 Dec, 2025	15,082	0.00%	$0.00
Tieton Capital Management, LLC	31 Dec, 2025	1,580	0.62%	$0.00
Quadrature Capital Ltd	31 Dec, 2025	13,156	0.00%	$0.00
GRACE & WHITE INC /NY	31 Dec, 2025	-73,584	-24.98%	$0.00
IAG Wealth Partners, LLC	31 Dec, 2025	100	6.25%	$0.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	506	0.38%	$0.00
UBS Group AG	31 Dec, 2025	-171	-48.17%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	4,441	3.54%	$0.00
OSAIC HOLDINGS, INC.	31 Dec, 2025	42	35.29%	$0.00
Sei Investments Co	31 Dec, 2025	60,714	0.00%	$0.00
SBI Securities Co., Ltd.	31 Dec, 2025	-21	-36.84%	$0.00
Us Bancorp \De\	31 Dec, 2025	-38,264	-39.52%	$0.00
Parallel Advisors, LLC	31 Dec, 2025	0	0.00%	$0.00
MARSHALL WACE, LLP	31 Dec, 2025	45,896	0.00%	$0.00
EverSource Wealth Advisors, LLC	31 Dec, 2025	0	0.00%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-3,096	-8.13%	$0.00
IFP Advisors, Inc	31 Dec, 2025	-3	-50.00%	$0.00
Bank Of America Corp /De/	31 Dec, 2025	-2,027	-50.00%	$0.00

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