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OESX ORION ENERGY SYS INC

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COM NEW (common), issuer CIK 1409375

32 managers (35 13F filers) reported a position in OESX shares at 2026-06-30, 1,813,786 shares in all. 5 filers opened a position and 7 filers sold out during the quarter.

Managers
32
13F filers
35
New
5
Added
15
Reduced
4
Sold out
7
Shares held by filers
1,813,786

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
North Star Investment Management Corp.526,952$6.16M0.33%+1,40013F-HRTimeline
Tieton Capital Management, LLC284,526$3.33M0.96%+18,05013F-HRTimeline
GRACE & WHITE INC /NY263,613$3.08M0.49%+22,22613F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC181,669$2.12M<0.01%+3,20013F-HRTimeline
VANGUARD GROUP INCgroup of 3 filers holding151,002$1.77M+21,044Timeline
US BANCORP \DE\in group US BANCORP \DE\70,155$820K<0.01%013F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP61,342$717K<0.01%+4,41813F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO55,406$648K<0.01%-74,69513F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC53,685$628K<0.01%+26,53513F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC38,125$446K<0.01%-1,97313F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.36,890$431K<0.01%+12,68113F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC31,140$364K0.01%+7,20013F-HRTimeline
ESSEX INVESTMENT MANAGEMENT CO LLC20,608$241K0.03%+8,05113F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd20,219$236K<0.01%+10,13913F-HRTimelineGroup
Farther Finance Advisors, LLC9,700$113K<0.01%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY1,747$20.4K<0.01%+87013F-HRTimelineGroup
IAG Wealth Partners, LLC1,700$19.9K<0.01%013F-HRTimeline
Firsthand Capital Management, Inc.1,400$16.4K0.03%013F-HRTimeline
Axiom Investment Management LLC1,206$14.1K0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA634$7K<0.01%new13F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO591$7K<0.01%new13F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding385$4.5K-379Timeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP378$4.28K<0.01%+25013F-HRTimelineGroup
COMPASS FINANCIAL MANAGEMENT LLC268$3.13K<0.01%13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN200$2.34K<0.01%013F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.119$1.39K<0.01%013F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.60$701<0.01%+2013F-HRTimeline
SBI Securities Co., Ltd.31$362<0.01%013F-HRTimeline
Parallel Advisors, LLC19$222<0.01%013F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/15$174<0.01%new13F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC1$12<0.01%new13F-HRTimelineGroup
NewEdge Advisors, LLC0$00%-24,14013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.