Orion Energy Systems, Inc. (OESX) Institutional Ownership

Institutions by Trading Activity

3,637,008Shares Outstanding

1,408,703Shares held by institutions

$12,791,023Value of institutional holdings

38.73%Institutional ownership %

3.59%Shares Changed QoQ

26No. of institutional investors

Orion Energy Systems, Inc. (NASDAQ:OESX) appears in 26 institutional 13F filings for the quarter ending December 2025.

Their combined ownership stood at 38.7% of outstanding shares in December 2025, down from 39.9% in September 2025.
They increased total shares held in Orion Energy Systems by 3.59% from the prior quarter, while the number of investors in OESX 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.
Altogether, these fund groups held 1.41Mn shares in OESX by December 2025, up by 48.83K shares quarter on quarter, and down 13.8Mn shares year over year.
As of December 31, 2025, the biggest holder of Orion Energy Systems is North Star Investment Management Corp. at 525.55K shares, representing 14.45% of shares outstanding.
The most significant purchases of OESX for the quarter ending December 2025 came from North Star Investment Management Corp. (118.1K), GRACE & WHITE INC /NY (20.4K).
Per Business Quant, the top 3 investors in OESX for the quarter ending December 2025 include North Star Investment Management Corp. (525.55K), GRACE & WHITE INC /NY (241.39K), IFP Advisors, Inc (3).

1,408,703 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
North Star Investment Management Corp.	31 Dec, 2025	407,452	23,998	6.26%	$6,266,612.00
Tieton Capital Management, LLC	31 Dec, 2025	256,194	1,580	0.62%	$3,940.00
GRACE & WHITE INC /NY	31 Dec, 2025	220,987	-73,584	-24.98%	$3,398,782.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	134,776	506	0.38%	$2,072,855.00
VANGUARD GROUP INC	31 Dec, 2025	129,958	4,441	3.54%	$1,998,754.00
Sei Investments Co	31 Dec, 2025	60,714	60,714	0.00%	$933,774.00
Us Bancorp \De\	31 Dec, 2025	58,555	-38,264	-39.52%	$900,576.00
MARSHALL WACE, LLP	31 Dec, 2025	45,896	45,896	0.00%	$705,881.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	34,991	-3,096	-8.13%	$538,287.00
BlackRock, Inc.	31 Dec, 2025	24,209	0	0.00%	$372,334.00
NewEdge Advisors, LLC	31 Dec, 2025	15,082	15,082	0.00%	$231,961.00
Quadrature Capital Ltd	31 Dec, 2025	13,156	13,156	0.00%	$202,339.00
Bank Of America Corp /De/	31 Dec, 2025	2,027	-2,027	-50.00%	$31,175.00
IAG Wealth Partners, LLC	31 Dec, 2025	1,700	100	6.25%	$26,146.00
Firsthand Capital Management, Inc.	31 Dec, 2025	1,400	0	0.00%	$21,532.00
Morgan Stanley	31 Dec, 2025	877	409	87.39%	$13,488.00
Wells Fargo & Company/Mn	31 Dec, 2025	200	0	0.00%	$3,076.00
UBS Group AG	31 Dec, 2025	184	-171	-48.17%	$2,830.00
OSAIC HOLDINGS, INC.	31 Dec, 2025	161	42	35.29%	$2,474.00
JONES FINANCIAL COMPANIES LLLP	31 Dec, 2025	75	75	0.00%	$1,154.00

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