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Natural Gas Services Group Inc

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

No open-market purchases or sales by Natural Gas Services Group Inc insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $490.2M in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Natural Gas Services Group Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
161
+13 vs. Q1 2026
Shares held
11.3M
+733.8K (+6.9%) vs. Q1 2026
Total value
$490.2M
+$90.1M (+22.5%) vs. Q1 2026
New holders
26
70 more added
Sold out
13
42 more reduced

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting NGS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 161 institutions
Q1 2021: 53 institutionsQ2 2021: 48 institutionsQ3 2021: 43 institutionsQ4 2021: 41 institutionsQ1 2022: 42 institutionsQ2 2022: 48 institutionsQ3 2022: 46 institutionsQ4 2022: 44 institutionsQ1 2023: 39 institutionsQ2 2023: 48 institutionsQ3 2023: 50 institutionsQ4 2023: 64 institutionsQ1 2024: 63 institutionsQ2 2024: 81 institutionsQ3 2024: 85 institutionsQ4 2024: 97 institutionsQ1 2025: 108 institutionsQ2 2025: 104 institutionsQ3 2025: 112 institutionsQ4 2025: 132 institutionsQ1 2026: 149 institutionsQ2 2026: 161 institutions
Value heldQ2 2026: $490.2M
Q1 2021: $103.0MQ2 2021: $112.1MQ3 2021: $108.6MQ4 2021: $107.8MQ1 2022: $121.5MQ2 2022: $109.0MQ3 2022: $94.5MQ4 2022: $94.7MQ1 2023: $94.1MQ2 2023: $79.8MQ3 2023: $116.3MQ4 2023: $132.1MQ1 2024: $169.8MQ2 2024: $179.7MQ3 2024: $174.3MQ4 2024: $242.3MQ1 2025: $196.2MQ2 2025: $238.5MQ3 2025: $261.6MQ4 2025: $335.5MQ1 2026: $400.2MQ2 2026: $490.2M
Institutions holding NGS and their total value by quarter
QuarterHoldersValue
Q2 2026161$490.2M
Q1 2026149$400.2M
Q4 2025132$335.5M
Q3 2025112$261.6M
Q2 2025104$238.5M
Q1 2025108$196.2M
Q4 202497$242.3M
Q3 202485$174.3M
Q2 202481$179.7M
Q1 202463$169.8M
Q4 202364$132.1M
Q3 202350$116.3M
Q2 202348$79.8M
Q1 202339$94.1M
Q4 202244$94.7M
Q3 202246$94.5M
Q2 202248$109.0M
Q1 202242$121.5M
Q4 202141$107.8M
Q3 202143$108.6M
Q2 202148$112.1M
Q1 202153$103.0M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Natural Gas Services Group Inc; share changes are against Q1 2026.

Institutions holding NGS in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.961,577$41.5M0.00%+171,797+21.8%Added
Dimensional Fund Advisors LP850,080$36.7M0.01%+6,283+0.7%Added
First Eagle Investment Management, LLC695,370$30.0M0.02%+408,182+142.1%Added
Aegis Financial Corp584,872$25.2M3.98%−2,140−0.4%Reduced
Vanguard Capital Management LLC513,031$22.1M0.00%+2,036+0.4%Added
Weber Capital Management LLC479,712$20.7M17.61%−2,052−0.4%Reduced
Two Sigma Investments, LP410,330$17.7M0.01%+45,121+12.4%Added
American Century Companies Inc408,165$17.6M0.01%+69,143+20.4%Added
Ameriprise Financial Inc380,171$16.4M0.00%+42,600+12.6%Added
Royce & Associates LP363,319$15.7M0.13%+10,003+2.8%Added
Morgan Stanley322,382$13.9M0.00%+59,176+22.5%Added
Geode Capital Management, LLC320,351$13.8M0.00%+34,538+12.1%Added
State Street Corp303,156$13.1M0.00%+104,169+52.3%Added
Pacific Ridge Capital Partners, LLC303,023$13.1M2.37%−2,351−0.8%Reduced
Renaissance Technologies LLC214,142$9.24M0.01%−23,900−10.0%Reduced
Bridgeway Capital Management, LLC199,064$8.59M0.15%−14,439−6.8%Reduced
AWM Investment Company, Inc.189,732$8.19M0.71%−25,044−11.7%Reduced
Citadel Advisors LLC184,747$7.97M0.00%−7,292−3.8%Reduced
Millennium Management LLC178,871$7.72M0.01%−33,671−15.8%Reduced
Phocas Financial Corp.154,426$6.66M0.92%−8,039−4.9%Reduced
Russell Investments Group, Ltd.147,583$6.37M0.01%−31,938−17.8%Reduced
RBF Capital, LLC140,000$6.04M0.25%00.0%Unchanged
Cannell Capital LLC122,387$5.28M3.69%−69,294−36.2%Reduced
Qube Research & Technologies Ltd122,284$5.28M0.01%−60,360−33.0%Reduced
Vanguard Portfolio Management LLC116,937$5.04M0.00%+38,021+48.2%Added
Northern Trust Corp115,575$4.99M0.00%+30,943+36.6%Added
BNP Paribas Arbitrage, SA106,639$4.60M0.00%+24,982+30.6%Added
Arrowstreet Capital, Limited Partnership100,072$4.32M0.00%+2,206+2.3%Added
Bank of New York Mellon Corp97,801$4.22M0.00%+2,382+2.5%Added
Empowered Funds, LLC89,710$3.87M0.02%−6,439−6.7%Reduced
Connor, Clark & Lunn Investment Management Ltd.80,456$3.47M0.01%+12,038+17.6%Added
Crown Advisors Management, Inc.80,000$3.45M1.90%00.0%Unchanged
Prudential Financial Inc79,890$3.45M0.00%−30,140−27.4%Reduced
Vanguard Fiduciary Trust Co79,132$3.41M0.00%+4,181+5.6%Added
Uniplan Investment Counsel, Inc.77,249$3.33M0.31%+33,611+77.0%Added
Raymond James Financial Inc75,487$3.26M0.00%−10,379−12.1%Reduced
Marshall Wace, LLP69,089$2.98M0.00%−45,193−39.5%Reduced
Norges Bank61,000$2.63M0.00%+61,000New
Trexquant Investment LP56,780$2.45M0.02%+16,915+42.4%Added
Invesco Ltd.55,943$2.41M0.00%+4,177+8.1%Added
Goldman Sachs Group Inc52,547$2.27M0.00%−4,487−7.9%Reduced
White Pine Capital LLC48,615$2.10M0.50%−41,178−45.9%Reduced
Bank of America Corp46,336$2.00M0.00%−49,545−51.7%Reduced
Steward Partners Investment Advisory, LLC44,841$1.93M0.01%+14,898+49.8%Added
Acadian Asset Management LLC44,344$1.91M0.00%+27,685+166.2%Added
Rice Hall James & Associates, LLC43,343$1.87M0.09%−225−0.5%Reduced
JPMorgan Chase & Co42,744$1.83M0.00%−12,175−22.2%Reduced
D. E. Shaw & Co., Inc.40,422$1.74M0.00%+803+2.0%Added
Numerai GP LLC40,236$1.74M0.14%+29,682+281.2%Added
XTX Topco Ltd39,550$1.71M0.02%+39,550New
LSV Asset Management37,000$1.60M0.00%+37,000New
Gsa Capital Partners LLP36,970$1.59M0.10%+21,727+142.5%Added
First Trust Advisors LP36,690$1.58M0.00%+1,655+4.7%Added
Charles Schwab Investment Management Inc34,417$1.48M0.00%+5,446+18.8%Added
New York State Common Retirement Fund34,005$1.47M0.00%+2,400+7.6%Added
EAM Investors, LLC33,651$1.45M0.13%−1,605−4.6%Reduced
UBS Group AG31,141$1.34M0.00%−23,620−43.1%Reduced
Calamos Advisors LLC30,246$1.30M0.00%+4,200+16.1%Added
Illumine Investment Management, LLC0$1.26M0.82%−27,985−100.0%Reduced
TrueWealth Advisors, LLC27,120$1.17M0.26%−3,430−11.2%Reduced
Nomura Asset Management International Inc.24,700$1.07M0.00%+24,700New
Point72 Asset Management, L.P.23,832$1.03M0.00%−13,439−36.1%Reduced
SEI Investments Co23,115$997.2K0.00%−22,559−49.4%Reduced
AQR Capital Management LLC22,399$966.3K0.00%+6,460+40.5%Added
Stifel Financial Corp21,546$929.5K0.00%+1,457+7.3%Added
Squarepoint Ops LLC20,887$901.1K0.00%+10,741+105.9%Added
Jump Financial, LLC19,657$848.0K0.01%+676+3.6%Added
Creative Planning19,533$842.7K0.00%+1,522+8.5%Added
Nuveen, LLC19,110$824.4K0.00%+4,056+26.9%Added
Arthur M. Cohen & Associates, LLC18,846$813.0K0.13%+4,456+31.0%Added
HSBC Holdings PLC18,533$805.4K0.00%+11,851+177.4%Added
North Star Investment Management Corp.17,000$733.4K0.04%00.0%Unchanged
Lazard Asset Management LLC16,874$727.9K0.00%+2,697+19.0%Added
STRS Ohio16,100$694.6K0.00%+300+1.9%Added
FMR LLC16,011$690.7K0.00%+71+0.4%Added
Dynamic Technology Lab Private Ltd15,978$689.0K0.15%+15,978New
Brasada Capital Management, LP15,000$647.1K0.12%00.0%Unchanged
Resources Investment Advisors, LLC.14,931$644.1K0.01%+14,931New
Voleon Capital Management LP14,711$634.6K0.01%+3,373+29.7%Added
Principal Financial Group Inc14,043$605.8K0.00%+1,318+10.4%Added
Rhumbline Advisers13,520$583.2K0.00%+741+5.8%Added
Vanguard Global Advisers, LLC13,313$574.3K0.00%+5,683+74.5%Added
Kestra Advisory Services, LLC13,000$560.8K0.00%00.0%Unchanged
Quadrature Capital Ltd12,328$531.8K0.00%−11,541−48.4%Reduced
Deutsche Bank AG11,743$506.6K0.00%+1,998+20.5%Added
Wells Fargo & Company10,985$473.9K0.00%+7,110+183.5%Added
Barclays PLC10,581$456.5K0.00%+1,169+12.4%Added
Citigroup Inc10,568$455.9K0.00%+5,791+121.2%Added
State of Wisconsin Investment Board10,520$453.8K0.00%−792−7.0%Reduced
PDT Partners, LLC10,075$434.6K0.02%00.0%Unchanged
Price T Rowe Associates Inc9,730$420.0K0.00%+1,712+21.4%Added
R Squared Ltd9,711$418.9K0.22%−883−8.3%Reduced
LPL Financial LLC9,698$418.4K0.00%+1,893+24.3%Added
Quantbot Technologies LP9,309$401.6K0.02%+1,035+12.5%Added
Susquehanna Portfolio Strategies, LLC8,372$361.2K0.01%+8,372New
Aquatic Capital Management LLC8,286$357.5K0.01%+7,779+1,534.3%Added
Walleye Capital LLC7,998$345.0K0.00%−53,272−86.9%Reduced
Los Angeles Capital Management LLC7,825$337.6K0.00%+7,825New
Y-Intercept (Hong Kong) Ltd7,793$336.2K0.01%+7,793New
Boston Partners7,588$327.4K0.00%−3,426−31.1%Reduced