OESX · Orion Energy Systems, Inc. · Holdings

$27.60 -2.92 (-9.57%)

Market Cap

$97.45M

3.53M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 35

Total Value: $21,203,140

Total Shares: 1,813,786

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 35 13F filers · Δ vs Mar 31, 2026

Top Holder

29.1%

+2.4 pts

Top 5

76.3%

+8.1 pts

Top 10

91.7%

+1.1 pts

HHI

1,512

Moderately concentrated+220

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: 0

Institutional value: +23.0%

Shares held: -8.0%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega JANE STREET GROUP, LLC	+26,535	53,685
Small GRACE & WHITE INC /NY	+22,226	263,613
Small Tieton Capital Management, LLC	+18,050	284,526
Mega VANGUARD CAPITAL MANAGEMENT LLC	+15,560	127,484
Mega BlackRock, Inc.	+12,681	36,890

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large SEI INVESTMENTS CO	−74,695	55,406
Mega GEODE CAPITAL MANAGEMENT, LLC	−1,973	38,125
Mega UBS Group AG	−379	41

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid Farther Finance Advisors, LLC	9,700	$113,393
Mega ROYAL BANK OF CANADA	634	$7,411
Mega JPMORGAN CHASE & CO	591	$6,908
Small COMPASS FINANCIAL MANAGEMENT LLC	268	$3,132
Mega NATIONAL BANK OF CANADA /FI/	15	$175

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small MYDA Advisors LLC	133,505	$1,166,833
Small Manatuck Hill Partners, LLC	71,428	$624,280
Large Trexquant Investment LP	12,376	$108,166
Mid XTX Topco Ltd	11,194	$97,835
Mid Tower Research Capital LLC (TRC)	288	$2,517

Filter: New 7 Increased 15 Reduced 3 Sold out 7 Unchanged 10

Showing 35 of 35

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

North Star Investment Management Corp.

$6,160,068

29.05%

526,952

Tieton Capital Management, LLC

$3,326,108

15.69%

284,526

GRACE & WHITE INC /NY

$3,081,635

14.53%

263,613

RENAISSANCE TECHNOLOGIES LLC

$2,123,710

10.02%

181,669

VANGUARD CAPITAL MANAGEMENT LLC

$1,490,287

7.03%

127,484

US BANCORP \DE\

$820,111

3.87%

70,155

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	70,155	$820,111	100.0%	Defined

MARSHALL WACE, LLP

$717,087

3.38%

61,342

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	61,342	$717,087	100.0%	Other

SEI INVESTMENTS CO

$647,696

3.05%

55,406

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI TRUST CO	55,406	$647,696	100.0%	Sole

JANE STREET GROUP, LLC

$627,577

2.96%

53,685

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	20,587	$240,662	38.3%	Defined
Jane Street Global Trading, LLC	33,098	$386,915	61.7%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$445,680

2.10%

38,125

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	7,314	$85,500	19.2%	Defined
Held directly	30,811	$360,180	80.8%	Defined

BlackRock, Inc.

$431,243

2.03%

36,890

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	777	$9,083	2.1%	Sole
BlackRock Fund Advisors	11,904	$139,157	32.3%	Sole
BlackRock Institutional Trust Company, N.A.	24,209	$283,003	65.6%	Sole

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$364,026

1.72%

31,140

VANGUARD FIDUCIARY TRUST CO

$266,485

1.26%

22,796

ESSEX INVESTMENT MANAGEMENT CO LLC

$240,907

1.14%

20,608

Quadrature Capital Ltd

$236,360

1.11%

20,219

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	20,219	$236,360	100.0%	Other

Farther Finance Advisors, LLC

$113,393

0.53%

9,700

MORGAN STANLEY

$20,422

0.10%

1,747

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	1,470	$17,184	84.1%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	277	$3,238	15.9%	Defined

IAG Wealth Partners, LLC

$19,873

0.09%

1,700

Firsthand Capital Management, Inc.

$16,366

0.08%

1,400

Axiom Investment Management LLC

$14,097

0.07%

1,206

Vanguard Global Advisers, LLC

$8,440

0.04%

722

ROYAL BANK OF CANADA

$7,411

0.03%

634

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	634	$7,411	100.0%	Defined

JPMORGAN CHASE & CO

$6,908

0.03%

591

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	591	$6,908	100.0%	Defined

JONES FINANCIAL COMPANIES LLLP

$4,418

0.02%

378

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	378	$4,418	100.0%	Sole

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

$4,021

0.02%

344

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Group AG	344	$4,021	100.0%	Defined

COMPASS FINANCIAL MANAGEMENT LLC

$3,132

0.01%

268

WELLS FARGO & COMPANY/MN

$2,338

0.01%

200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	200	$2,338	100.0%	Defined

OSAIC HOLDINGS, INC.

$1,391

0.01%

119

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	119	$1,391	100.0%	Defined

HARBOUR INVESTMENTS, INC.

$701

0.00%

UBS Group AG

$479

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	41	$479	100.0%	Defined

SBI Securities Co., Ltd.

$362

0.00%

Parallel Advisors, LLC

$222

0.00%

NATIONAL BANK OF CANADA /FI/

$175

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	15	$175	100.0%	Defined

BARCLAYS PLC

$11

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	1	$11	100.0%	Defined

NewEdge Advisors, LLC

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	11,194	$97,835	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	288	$2,517	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	1	$8	100.0%	Defined

Key facts CIK 1409375 CUSIP 686275207 13F (30d) 25 filings 25 filers Visit website Investor relations