NATURAL GAS SERVICES GROUP INC(NGS)Stock Analysis
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Rank #1,004 of 2,879 stocksTOP 50%
Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.
Revenue Growth
Profitability
Balance Sheet
Earnings Quality
Free Cash Flow
Institutional Flow
Revenue Scale
Dilution Risk
NGS Stock Analysis & AI Quality Score
AI stock analysis and institutional research for NATURAL GAS SERVICES GROUP INC (NGS), a Energy sector company. 13F Pro's AI-powered ranking engine scores NGS at 58.1/100 on a 32-signal composite quality model, placing it at rank #1,004 of 2,879 stocks — the top half of the AI-ranked universe. NGS scores in the top quartile across revenue growth (98.6), earnings quality (88.5). Areas of concern include free cash flow (15.0) and revenue scale (22.9), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), NATURAL GAS SERVICES GROUP INC reports quarterly revenue of $48.5M, net income of $6.8M, an operating margin of 27.0%. Top institutional holders of NGS by reported 13-F value include DIMENSIONAL FUND ADVISORS, BlackRock,, AEGIS FINANCIAL, based on the most recent SEC filings. NGS trades on the NYSE exchange and files with the SEC under CIK 1084991. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate NGS daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for NATURAL GAS SERVICES GROUP INC directly from SEC EDGAR. NATURAL GAS SERVICES GROUP INC's 13F Pro composite quality score has ranged between 12 and 64 since 2021, currently 58.1 — an improving long-term trajectory across 28 quarterly and live scoring snapshots.
Revenue
Q1 2026
$48.5M
Net Income
Q1 2026
$6.8M
Free Cash Flow
Q1 2026
$7.8M
Operating Margin
Q1 2026
27.0%
ROIC
Q1 2026
4.7%
Revenue & Net Income
Earnings Per Share
Key Financials Over Time
Export Financial Table · Pro+Revenue
+29.4% YoYNet Income
+262.9% YoYOperating Income
+218.7% YoYEPS (Diluted)
+260.5% YoYTotal Assets
+2.9% YoYTotal Debt
Op. Cash Flow
+268.6% YoY| Metric | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|---|
| Revenue | $156.7M +29.4% | $121.2M +42.8% | $84.8M +17.1% | $72.4M +6.4% | $68.1M -13.2% | $78.4M |
| Net Income | $17.2M +262.9% | $4.7M +934.3% | $-569.0K +93.8% | $-9.2M -607.9% | $1.8M +113.0% | $-13.9M |
| Operating Income | $33.3M +218.7% | $10.5M +2326.2% | $431.0K +103.5% | $-12.4M -244.8% | $-3.6M +76.2% | $-15.2M |
| EPS (Diluted) | $1.37 +260.5% | $0.38 +860.0% | $-0.05 +92.9% | $-0.70 -600.0% | $0.14 +113.2% | $-1.06 |
| Total Assets | $492.5M +2.9% | $478.7M +45.8% | $328.2M +10.0% | $298.5M -2.7% | $306.8M +7.1% | $286.6M |
| Total Debt | — | $164.0M +556.0% | $25.0M | — | — | — |
| Operating Cash Flow | $66.5M +268.6% | $18.0M -35.0% | $27.8M -2.7% | $28.5M -12.6% | $32.6M +11.0% | $29.4M |
AI Insight: NGS Financial Trends
Revenue accelerated to $48M in Q1 2026, highest in dataset, but operating cash flow remains volatile and below early-2024 levels.
• Revenue grew 26% from $38M (Q2 2024) to $48M (Q1 2026), with Q1 2026 marking the strongest quarter in the series.
• Operating income improved to $13M in Q1 2026 from $9M average in mid-2024, indicating operational leverage.
• Equity grew steadily from $246M (Q2 2024) to $281M (Q1 2026), up 14% over two years.
⚠ Operating cash flow declined to $14M–$23M range since Q1 2025, versus $26M baseline in Q2–Q3 2024, suggesting working capital pressures.
⚠ Net income volatility persists—$7M in Q1 2026 but $4M in Q4 2025, despite higher operating income, signaling non-operating headwinds.
AI Insight: NGS Ratio Trends
Q1 2026 margins and returns surge to multi-quarter highs, with OpMargin at 27.0% and ROIC reaching 18.6%.
• Operating margin expanded 240bp from Q4 2025 (15.4%) to Q1 2026 (27.0%), reversing seasonal weakness.
• ROIC climbed 820bp from Q4 2025 (10.4%) to Q1 2026 (18.6%), highest in dataset.
• Net profit margin improved 510bp Q4 2025 (8.9%) to Q1 2026 (14.0%), signaling pricing/cost control strength.
⚠ Q4 pattern: both 2024 and 2025 show 800bp+ OpMargin compression and 500bp ROIC declines—investigate Q4 seasonality/timing.
⚠ TTM ROIC (14.6%) lags Q1 2026 (18.6%) by 400bp, suggesting Q4 2025 drag persists in rolling metrics.
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Available Research
13F Pro tracks comprehensive data for NATURAL GAS SERVICES GROUP INC including:
Top Institutional Holders of NGS
DIMENSIONAL FUND ADVISORS LP
$31.8M843,797 shBlackRock, Inc.
$29.8M789,780 shAEGIS FINANCIAL CORP
$22.2M587,012 shVANGUARD CAPITAL MANAGEMENT LLC
$19.3M510,995 shWEBER CAPITAL MANAGEMENT LLC /ADV
$18.2M481,764 shTWO SIGMA INVESTMENTS, LP
$13.8M365,209 shROYCE & ASSOCIATES LP
$13.3M353,316 shAMERICAN CENTURY COMPANIES INC
$12.8M339,022 shAMERIPRISE FINANCIAL INC
$12.7M337,571 shPacific Ridge Capital Partners, LLC
$11.5M305,374 sh
| Fund | Value | Shares |
|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | $31.8M | 843,797 |
| BlackRock, Inc. | $29.8M | 789,780 |
| AEGIS FINANCIAL CORP | $22.2M | 587,012 |
| VANGUARD CAPITAL MANAGEMENT LLC | $19.3M | 510,995 |
| WEBER CAPITAL MANAGEMENT LLC /ADV | $18.2M | 481,764 |
| TWO SIGMA INVESTMENTS, LP | $13.8M | 365,209 |
| ROYCE & ASSOCIATES LP | $13.3M | 353,316 |
| AMERICAN CENTURY COMPANIES INC | $12.8M | 339,022 |
| AMERIPRISE FINANCIAL INC | $12.7M | 337,571 |
| Pacific Ridge Capital Partners, LLC | $11.5M | 305,374 |
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Popular Research
Is NGS a good stock to buy?
13F Pro's AI-powered analysis of NATURAL GAS SERVICES GROUP INC (NGS) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Energy sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for NGS are available on the NGS stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.
Which hedge funds own NGS?
Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling NGS. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of NATURAL GAS SERVICES GROUP INC's investment landscape.