Orion Energy Systems, Inc. (OESX)

Accumulating

Strong institutional accumulation: ownership increased +16.63% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

56.52%

QoQ Change

+16.63%

Total Value

$15.1B

Shares Outstanding

3.5M

Crowding AnalysisCrowded

Holders35of 5,944

Avg: 68

Uncrowded79th percentileCrowded

Institutional Activity

Buy/Sell Ratio4x

57th percentile

24 buying6 selling

+13

New

-3

Closed

+588K

Net shares

Holding Period Distribution

estimate

Median: 2 QAvg: 2.1 QHolders: 35

Ownership Concentration

Top 5: 67.4%Top 10: 89.5%

North Star Investment Management26.3%

Tieton Capital Management,13.3%

GRACE & WHITE INC /NY12.1%

RENAISSANCE TECHNOLOGIES8.9%

MYDA Advisors6.7%

Others (30)32.6%

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Conviction-Weighted Ownership

Median weight: 0.09%Avg weight: 0.18%Max: 0.78%High conviction (>1%): 0

North Star Investment Management

Tieton Capital Management,

GRACE & WHITE INC /NY

RENAISSANCE TECHNOLOGIES

MYDA Advisors

SEI INVESTMENTS

VANGUARD CAPITAL MANAGEMENT

Manatuck Hill Partners,

US BANCORP \DE\

MARSHALL WACE, LLP

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Whale Moves Timeline (2 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWMYDA Advisors$1M134K shr

BOUGHTNorth Star Investment Management$1M118K shr

NEWVANGUARD CAPITAL MANAGEMENT$978K112K shr

NEWManatuck Hill Partners$624K71K shr

BOUGHTSEI INVESTMENTS$606K69K shr

BOUGHTTieton Capital Management$24M2K shr

SOLDGRACE & WHITE INC /NY$1M74K shr

NEWSEI INVESTMENTS$934K61K shr

NEWMARSHALL WACE, LLP$706K46K shr

SOLDUS BANCORP \DE\$589K38K shr

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Institutional Holders

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