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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 $475.2M in total; no superinvestor holds it.

13F holders, Q1 2025

Institutional positions in Natural Gas Services Group Inc as of Mar 31, 2025. 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
108
+12 vs. Q4 2024
Shares held
8.93M
−88.7K (−1.0%) vs. Q4 2024
Total value
$196.2M
−$45.5M (−18.8%) vs. Q4 2024
New holders
25
30 more added
Sold out
13
33 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 108 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 heldQ1 2025: $196.2M
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: $82.9MQ2 2023: $79.8MQ3 2023: $116.3MQ4 2023: $131.2MQ1 2024: $165.3MQ2 2024: $179.0MQ3 2024: $173.6MQ4 2024: $242.3MQ1 2025: $196.2MQ2 2025: $238.2MQ3 2025: $260.7MQ4 2025: $330.5MQ1 2026: $398.7MQ2 2026: $475.2M
Institutions holding NGS and their total value by quarter
QuarterHoldersValue
Q2 2026161$475.2M
Q1 2026149$398.7M
Q4 2025132$330.5M
Q3 2025112$260.7M
Q2 2025104$238.2M
Q1 2025108$196.2M
Q4 202497$242.3M
Q3 202485$173.6M
Q2 202481$179.0M
Q1 202463$165.3M
Q4 202364$131.2M
Q3 202350$116.3M
Q2 202348$79.8M
Q1 202339$82.9M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Natural Gas Services Group Inc; share changes are against Q4 2024.

Institutions holding NGS in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Dimensional Fund Advisors LP877,791$19.3M0.00%−24,376−2.7%Reduced
BlackRock, Inc.856,576$18.8M0.00%−3,298−0.4%Reduced
AWM Investment Company, Inc.676,652$14.9M2.05%−22,000−3.1%Reduced
Aegis Financial Corp671,326$14.7M12.58%00.0%Unchanged
Vanguard Group Inc605,634$13.3M0.00%−2,410−0.4%Reduced
Ameriprise Financial Inc507,290$11.1M0.00%+14,696+3.0%Added
Pacific Ridge Capital Partners, LLC406,154$8.92M2.35%−20,490−4.8%Reduced
Mill Road Capital Management LLC404,745$8.89M5.04%−388,054−48.9%Reduced
Renaissance Technologies LLC363,742$7.99M0.01%−8,300−2.2%Reduced
First Eagle Investment Management, LLC283,689$6.23M0.01%+54,395+23.7%Added
Bridgeway Capital Management, LLC235,833$5.18M0.13%−30,675−11.5%Reduced
Geode Capital Management, LLC227,596$5.00M0.00%+3,107+1.4%Added
Royce & Associates LP209,848$4.61M0.05%−32,995−13.6%Reduced
Acuitas Investments, LLC200,200$4.40M3.75%00.0%Unchanged
State Street Corp174,142$3.83M0.00%+729+0.4%Added
Russell Investments Group, Ltd.163,473$3.59M0.00%+24,853+17.9%Added
Millennium Management LLC149,493$3.28M0.00%+81,367+119.4%Added
RBF Capital, LLC140,000$3.08M0.19%00.0%Unchanged
Invesco Ltd.136,748$3.00M0.00%+107,679+370.4%Added
Morgan Stanley129,655$2.85M0.00%+13,638+11.8%Added
Crown Advisors Management, Inc.100,000$2.20M1.94%00.0%Unchanged
Empowered Funds, LLC98,479$2.16M0.03%+5,125+5.5%Added
Northern Trust Corp94,248$2.07M0.00%−2,281−2.4%Reduced
Cannell Capital LLC87,423$1.92M0.65%+87,423New
Qube Research & Technologies Ltd71,384$1.57M0.00%+25,757+56.5%Added
UBS Group AG68,486$1.50M0.00%−24,546−26.4%Reduced
Rice Hall James & Associates, LLC66,350$1.46M0.09%+66,350New
American Century Companies Inc60,917$1.34M0.00%−7,921−11.5%Reduced
Assenagon Asset Management S.A.55,770$1.23M0.00%−1,788−3.1%Reduced
White Pine Capital LLC51,825$1.14M0.39%+267+0.5%Added
Goldman Sachs Group Inc39,379$865.2K0.00%−3,780−8.8%Reduced
Raymond James Financial Inc39,128$859.6K0.00%+1,777+4.8%Added
Squarepoint Ops LLC36,943$811.6K0.00%+8,554+30.1%Added
Bank of New York Mellon Corp30,344$666.6K0.00%−1,758−5.5%Reduced
First Trust Advisors LP29,921$657.4K0.00%−480−1.6%Reduced
Charles Schwab Investment Management Inc29,886$656.6K0.00%00.0%Unchanged
Marshall Wace, LLP26,693$586.4K0.00%+143+0.5%Added
JPMorgan Chase & Co23,469$515.6K0.00%−22,935−49.4%Reduced
EAM Investors, LLC23,180$509.3K0.09%−17,437−42.9%Reduced
Nuveen, LLC22,634$497.3K0.00%+22,634New
PDT Partners, LLC21,839$479.8K0.03%+6,924+46.4%Added
Boston Partners18,488$406.2K0.00%+138+0.8%Added
Fisher Asset Management, LLC16,828$369.7K0.00%+16,828New
Cubist Systematic Strategies, LLC15,131$332.4K0.00%+15,131New
Perritt Capital Management Inc15,100$331.7K0.18%00.0%Unchanged
Inspire Advisors, LLC15,059$330.8K0.04%−775−4.9%Reduced
Stifel Financial Corp14,275$313.6K0.00%+14,275New
Two Sigma Investments, LP14,194$311.8K0.00%+2,403+20.4%Added
EntryPoint Capital, LLC14,134$310.5K0.14%+14,134New
ExodusPoint Capital Management, LP13,633$300.0K0.00%+4,694+52.5%Added
Barclays PLC13,356$293.4K0.00%−5,360−28.6%Reduced
Citadel Advisors LLC13,123$288.3K0.00%+8,966+215.7%Added
Susquehanna International Group, LLP12,983$285.2K0.00%+12,983New
GWM Advisors LLC12,776$280.7K0.00%+11,404+831.2%Added
Calamos Advisors LLC12,504$274.7K0.00%+2,095+20.1%Added
TrueWealth Advisors, LLC12,366$271.7K0.09%+12,366New
Connor, Clark & Lunn Investment Management Ltd.12,352$271.4K0.00%−801−6.1%Reduced
Royal Bank of Canada11,794$259.0K0.00%−629−5.1%Reduced
Oxford Asset Management LLP11,785$258.9K0.12%+11,785New
HighTower Advisors, LLC11,581$254.4K0.00%+11,581New
Corigliano Investment Advisers, LLC11,500$252.7K0.11%+11,500New
XTX Topco Ltd11,407$250.6K0.01%+11,407New
BNP Paribas Arbitrage, SA11,220$246.5K0.00%+2,180+24.1%Added
Rhumbline Advisers11,007$241.8K0.00%−20,355−64.9%Reduced
Two Sigma Advisers, LP10,830$237.9K0.00%+1,000+10.2%Added
Intech Investment Management LLC10,481$230.3K0.00%+10,481New
Kestra Advisory Services, LLC10,000$219.7K0.00%00.0%Unchanged
Brandywine Global Investment Management, LLC9,385$206.2K0.00%00.0%Unchanged
Citigroup Inc8,277$181.8K0.00%−823−9.0%Reduced
Advisor Group Holdings, Inc.7,973$175.1K0.00%−276−3.3%Reduced
Bank of America Corp7,860$172.7K0.00%−4,188−34.8%Reduced
Deutsche Bank AG7,470$164.1K0.00%−1,538−17.1%Reduced
Mirae Asset Global ETFs Holdings Ltd.6,374$140.0K0.00%+249+4.1%Added
MetLife Investment Management6,339$139.3K0.00%+14+0.2%Added
Wells Fargo & Company6,159$135.3K0.00%+137+2.3%Added
New York State Common Retirement Fund5,300$116.4K0.00%00.0%Unchanged
Corebridge Financial, Inc.5,255$115.5K0.00%−78−1.5%Reduced
Quest Partners LLC5,254$115.4K0.01%+5,254New
FMR LLC4,995$109.7K0.00%−149−2.9%Reduced
State of Wyoming4,427$97.3K0.01%+2,377+116.0%Added
Police & Firemen's Retirement System of New Jersey2,156$47.4K0.00%00.0%Unchanged
Victory Capital Management Inc1,118$24.6K0.00%+1,118New
Ameritas Investment Partners, Inc.1,051$23.1K0.00%00.0%Unchanged
Legal & General Group Plc976$21.4K0.00%00.0%Unchanged
California State Teachers Retirement System777$17.1K0.00%00.0%Unchanged
Point72 (DIFC) Ltd757$16.6K0.00%+757New
Farther Finance Advisors, LLC700$15.4K0.00%+700New
Steward Partners Investment Advisory, LLC693$15.2K0.00%+693New
Tower Research Capital LLC (TRC)601$13.2K0.00%+151+33.6%Added
Amalgamated Bank371$8.00K0.00%00.0%Unchanged
CWM, LLC240$5.00K0.00%−10−4.0%Reduced
Sound Income Strategies, LLC200$4.39K0.00%00.0%Unchanged
Smartleaf Asset Management LLC152$3.31K0.00%−215−58.6%Reduced
Sterling Capital Management LLC148$3.25K0.00%−124−45.6%Reduced
Jones Financial Companies LLLP130$2.83K0.00%+130New
Covestor Ltd82$2.00K0.00%−68−45.3%Reduced
The PNC Financial Services Group, Inc.78$1.71K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC58$1.27K0.00%00.0%Unchanged
GAMMA Investing LLC58$1.27K0.00%+29+100.0%Added
Sierra Ocean, LLC46$1.01K0.00%+46New