Natural Gas Services Group Inc

NGS

Exchange: NYSE
Industry: Oil & Gas Field Services, NEC
SEC CIK: 0001084991

SEC filings (opens in a new tab)

In the last 90 days, Natural Gas Services Group Inc insiders filed 1 open-market purchase and 0 sales; 161 institutions reported holding it in 13F filings for Q2 2026, worth $475.2M in total; no superinvestor holds it.

Key figures

Market capClose on Nov 13, 2026: $383.3M
Insider buysLast 90 days, $57.8K in total: 1
Insider sellsOpen market, last 90 days: 0
13F holdersQ2 2026, +13 vs. previous quarter: 161
13F valueReported value at the end of Q2 2026: $475.2M
Superinvestors holdingAt the end of Q2 2026: 0

Price chart

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Financials

See financial statements

From SEC filings, in USD.

Revenue, FY2025: $172.3M; +9.9% year over year
Net income, FY2025: $19.9M; +15.7% year over year
Free cash flow, FY2025: -$58.6M; No comparable prior period
Revenue, Q3 FY2026: $61.3M; +41.1% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest: 510.6K; Shares sold short
Change: +25.7K; +5.3% vs. previous
Days to cover: 6.37; At average daily volume

Superinvestors holding NGS, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding NGS at the end of Q2 2026.

Latest insider trades

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Open-market purchases and sales by Natural Gas Services Group Inc insiders from Form 4, newest first.

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Nov 13, 2026 (view filing)3:18 PM ET	Nov 13	Same day	Jackson John EarlDirector	PPurchase	+2.00K	$28.90	+$57.8K	New position2.00K after	2 lots
Mar 9, 2026 (view filing)	Mar 5-6	4 days	Taylor Stephen CharlesDirector	SSale	−100.0K	$37.48	−$3.75M	−36.3%175.4K after	2 lots10b5-1
Dec 12, 2025 (view filing)	Dec 10-11	2 days	Taylor Stephen CharlesDirector	SSale	−20.0K	$33.35	−$667.0K	−6.8%275.4K after	2 lots
Dec 10, 2025 (view filing)	Dec 8	2 days	Holley Jean KDirector	PPurchase	+2.19K	$32.04	+$70.2K	+18.0%14.4K after
Dec 9, 2025 (view filing)	Dec 8	1 day	Holley Jean KDirector	PPurchase	+935	$32.00	+$29.9K	+8.3%12.2K after
Dec 5, 2025 (view filing)	Dec 4	1 day	Taylor Stephen CharlesDirector	SSale	−20.0K	$32.12	−$642.4K	−6.3%295.4K after
Nov 20, 2025 (view filing)	Nov 19-20	1 day	Taylor Stephen CharlesDirector	SSale	−20.0K	$30.84	−$616.8K	−6.0%315.4K after	2 lots
Nov 18, 2025 (view filing)	Nov 17	1 day	Taylor Stephen CharlesDirector	SSale	−10.0K	$31.01	−$310.1K	−2.9%335.4K after	10b5-1
Nov 12, 2025 (view filing)	Nov 10	2 days	Taylor Stephen CharlesDirector	SSale	−18.7K	$29.77	−$558.1K	−5.1%345.4K after	2 lots10b5-1
Nov 7, 2025 (view filing)	Nov 6-7	1 day	Taylor Stephen CharlesDirector	SSale	−11.3K	$29.06	−$326.9K	−3.0%364.2K after	3 lots10b5-1

Top 10 13F holders, Q2 2026

See all 161 holders

The largest institutional positions in Natural Gas Services Group Inc at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding NGS in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
BlackRock, Inc.	961,577	$41.5M	0.00%	+171,797+21.8%	Added
Dimensional Fund Advisors LP	850,080	$36.7M	0.01%	+6,283+0.7%	Added
Aegis Financial Corp	584,872	$25.2M	3.98%	−2,140−0.4%	Reduced
Vanguard Capital Management LLC	513,031	$22.1M	0.00%	+2,036+0.4%	Added
Weber Capital Management LLC	479,712	$20.7M	17.61%	−2,052−0.4%	Reduced
Two Sigma Investments, LP	410,330	$17.7M	0.01%	+45,121+12.4%	Added
American Century Companies Inc	408,165	$17.6M	0.01%	+69,143+20.4%	Added
Ameriprise Financial Inc	380,171	$16.4M	0.00%	+42,600+12.6%	Added
Royce & Associates LP	363,319	$15.7M	0.13%	+10,003+2.8%	Added
First Eagle Investment Management, LLC	347,685	$15.0M	0.02%	+60,497+21.1%	Added