Natural Gas Services Group, Inc. (NGS)

Accumulating

Strong institutional accumulation: ownership increased +4.04% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

83.00%

QoQ Change

+4.04%

Total Value

$389.2B

Shares Outstanding

12.6M

Crowding AnalysisCrowded

Holders145of 5,944

Avg: 68

Uncrowded89th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.68x

76th percentile

89 buying53 selling

+32

New

-17

Closed

+672K

Net shares

Holding Period Distribution

estimate

Median: 3 QAvg: 3.4 QHolders: 145

Ownership Concentration

Top 5: 30.8%Top 10: 47.0%

DIMENSIONAL FUND ADVISORS8.1%

BlackRock,7.6%

AEGIS FINANCIAL5.6%

VANGUARD CAPITAL MANAGEMENT4.9%

WEBER CAPITAL MANAGEMENT LLC /ADV4.6%

Others (140)69.2%

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Conviction-Weighted Ownership

Median weight: 0.01%Avg weight: 2.46%Max: 18.16%High conviction (>1%): 3

DIMENSIONAL FUND ADVISORS

BlackRock,

AEGIS FINANCIAL

VANGUARD CAPITAL MANAGEMENT

WEBER CAPITAL MANAGEMENT LLC /ADV

TWO SIGMA INVESTMENTS,

ROYCE & ASSOCIATES

AMERICAN CENTURY COMPANIES

AMERIPRISE FINANCIAL

Pacific Ridge Capital Partners,

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD CAPITAL MANAGEMENT$19M511K shr

NEWTWO SIGMA INVESTMENTS$14M365K shr

NEWAMERICAN CENTURY COMPANIES$13M339K shr

SOLDAMERIPRISE FINANCIAL$7M176K shr

SOLDAEGIS FINANCIAL$3M84K shr

NEWWEBER CAPITAL MANAGEMENT LLC /ADV$17M499K shr

SOLDPacific Ridge Capital Partners$2M46K shr

SOLDCANNELL CAPITAL$1M33K shr

BOUGHTBlackRock$999K30K shr

BOUGHTVANGUARD GROUP$972K29K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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