Orion Group Holdings, Inc. (ORN)

Distributing

Institutional distribution: ownership decreased -1.84% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

81.29%

QoQ Change

-1.84%

Total Value

$352.0B

Shares Outstanding

40.5M

Crowding AnalysisCrowded

Holders161of 5,944

Avg: 68

Uncrowded90th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.09x

75th percentile

88 buying81 selling

+33

New

-25

Closed

-255,709

Net shares

Holding Period Distribution

estimate

Median: 3 QAvg: 3.4 QHolders: 161

Ownership Concentration

Top 5: 38.9%Top 10: 56.1%

BRANDES INVESTMENT PARTNERS,15.7%

BlackRock,8.3%

VANGUARD CAPITAL MANAGEMENT5.0%

WASATCH ADVISORS5.0%

DIMENSIONAL FUND ADVISORS4.8%

Others (156)61.1%

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Conviction-Weighted Ownership

Median weight: 0.06%Avg weight: 0.26%Max: 1.72%High conviction (>1%): 1

BRANDES INVESTMENT PARTNERS,

BlackRock,

VANGUARD CAPITAL MANAGEMENT

WASATCH ADVISORS

DIMENSIONAL FUND ADVISORS

ROYCE & ASSOCIATES

Invesco

GENDELL JEFFREY L

GEODE CAPITAL MANAGEMENT,

GRACE & WHITE INC /NY

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD CAPITAL MANAGEMENT$18M1.7M shr

SOLDWASATCH ADVISORS$7M611K shr

SOLDROYCE & ASSOCIATES$2M175K shr

BOUGHTBRANDES INVESTMENT PARTNERS$2M150K shr

SOLDGRACE & WHITE INC /NY$461K42K shr

BOUGHTVANGUARD GROUP$837K84K shr

SOLDDIMENSIONAL FUND ADVISORS$705K71K shr

BOUGHTGENDELL JEFFREY L$667K67K shr

SOLDGRACE & WHITE INC /NY$618K62K shr

BOUGHTBRANDES INVESTMENT PARTNERS$563K57K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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