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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, Q2 2025

Institutional positions in Natural Gas Services Group Inc as of Jun 30, 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
104
−4 vs. Q1 2025
Shares held
9.23M
+295.1K (+3.3%) vs. Q1 2025
Total value
$238.2M
+$41.9M (+21.4%) vs. Q1 2025
New holders
13
39 more added
Sold out
17
35 more reduced

Compare with Q1 2025: 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 2025: 104 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 2025: $238.2M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Natural Gas Services Group Inc; share changes are against Q1 2025.

Institutions holding NGS in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Dimensional Fund Advisors LP858,635$22.2M0.01%−19,156−2.2%Reduced
BlackRock, Inc.772,643$19.9M0.00%−83,933−9.8%Reduced
AWM Investment Company, Inc.676,652$17.5M1.96%00.0%Unchanged
Aegis Financial Corp671,112$17.3M10.20%−2140.0%Reduced
Vanguard Group Inc604,308$15.6M0.00%−1,326−0.2%Reduced
Ameriprise Financial Inc509,714$13.2M0.00%+2,424+0.5%Added
Mill Road Capital Management LLC404,745$10.4M6.69%00.0%Unchanged
Pacific Ridge Capital Partners, LLC400,243$10.3M2.47%−5,911−1.5%Reduced
Royce & Associates LP352,787$9.11M0.09%+142,939+68.1%Added
Renaissance Technologies LLC337,342$8.71M0.01%−26,400−7.3%Reduced
Cannell Capital LLC331,616$8.56M2.67%+244,193+279.3%Added
First Eagle Investment Management, LLC299,239$7.72M0.02%+15,550+5.5%Added
Bridgeway Capital Management, LLC239,163$6.17M0.15%+3,330+1.4%Added
Geode Capital Management, LLC230,817$5.96M0.00%+3,221+1.4%Added
Acuitas Investments, LLC200,200$5.17M4.11%00.0%Unchanged
State Street Corp195,594$5.05M0.00%+21,452+12.3%Added
American Century Companies Inc153,361$3.96M0.00%+92,444+151.8%Added
Russell Investments Group, Ltd.147,084$3.80M0.00%−16,389−10.0%Reduced
RBF Capital, LLC140,000$3.61M0.18%00.0%Unchanged
Morgan Stanley137,599$3.55M0.00%+7,944+6.1%Added
Invesco Ltd.112,513$2.90M0.00%−24,235−17.7%Reduced
Empowered Funds, LLC101,809$2.63M0.03%+3,330+3.4%Added
Raymond James Financial Inc91,243$2.35M0.00%+52,115+133.2%Added
Northern Trust Corp85,658$2.21M0.00%−8,590−9.1%Reduced
Qube Research & Technologies Ltd77,986$2.01M0.00%+6,602+9.2%Added
Squarepoint Ops LLC75,284$1.94M0.00%+38,341+103.8%Added
Millennium Management LLC72,333$1.87M0.00%−77,160−51.6%Reduced
Crown Advisors Management, Inc.70,000$1.81M1.44%−30,000−30.0%Reduced
Assenagon Asset Management S.A.57,251$1.48M0.00%+1,481+2.7%Added
White Pine Capital LLC52,623$1.36M0.43%+798+1.5%Added
UBS Group AG47,657$1.23M0.00%−20,829−30.4%Reduced
Rice Hall James & Associates, LLC44,652$1.15M0.06%−21,698−32.7%Reduced
JPMorgan Chase & Co33,994$877.4K0.00%+10,525+44.8%Added
Goldman Sachs Group Inc32,394$836.1K0.00%−6,985−17.7%Reduced
CWM Advisors, LLC31,746$819.4K0.09%+31,746New
First Trust Advisors LP31,187$804.9K0.00%+1,266+4.2%Added
Bank of New York Mellon Corp30,609$790.0K0.00%+265+0.9%Added
Charles Schwab Investment Management Inc29,881$771.2K0.00%−50.0%Reduced
TrueWealth Advisors, LLC28,145$726.4K0.21%+15,779+127.6%Added
Jacobs Levy Equity Management, Inc22,915$591.4K0.00%+22,915New
PDT Partners, LLC19,172$494.8K0.03%−2,667−12.2%Reduced
BNP Paribas Arbitrage, SA18,997$490.3K0.00%+7,777+69.3%Added
Boston Partners18,516$477.9K0.00%+28+0.2%Added
Nuveen, LLC17,615$454.6K0.00%−5,019−22.2%Reduced
Barclays PLC17,450$450.4K0.00%+4,094+30.7%Added
Rhumbline Advisers16,770$432.8K0.00%+5,763+52.4%Added
Inspire Advisors, LLC15,930$411.1K0.04%+871+5.8%Added
HighTower Advisors, LLC14,723$380.0K0.00%+3,142+27.1%Added
Wellington Management Group LLP14,347$370.3K0.00%+14,347New
Two Sigma Investments, LP14,175$365.9K0.00%−19−0.1%Reduced
Arrowstreet Capital, Limited Partnership14,036$362.3K0.00%+14,036New
Perritt Capital Management Inc14,000$361.3K0.19%−1,100−7.3%Reduced
Susquehanna International Group, LLP13,212$341.0K0.00%+229+1.8%Added
Stifel Financial Corp13,068$337.3K0.00%−1,207−8.5%Reduced
Royal Bank of Canada12,618$325.0K0.00%+824+7.0%Added
Lazard Asset Management LLC12,415$320.0K0.00%+12,415New
Quest Partners LLC11,420$294.8K0.03%+6,166+117.4%Added
Bank of America Corp10,769$277.9K0.00%+2,909+37.0%Added
EntryPoint Capital, LLC10,332$266.7K0.13%−3,802−26.9%Reduced
Kestra Advisory Services, LLC10,000$258.1K0.00%00.0%Unchanged
STRS Ohio9,500$245.2K0.00%+9,500New
Brandywine Global Investment Management, LLC9,385$242.2K0.00%00.0%Unchanged
Two Sigma Advisers, LP9,130$235.6K0.00%−1,700−15.7%Reduced
Verition Fund Management LLC9,044$233.4K0.00%+9,044New
Man Group plc8,947$230.9K0.00%+8,947New
Acadian Asset Management LLC8,946$230.0K0.00%+8,946New
Los Angeles Capital Management LLC8,710$224.8K0.00%+8,710New
Cubist Systematic Strategies, LLC8,353$215.6K0.00%−6,778−44.8%Reduced
Calamos Advisors LLC8,210$211.9K0.00%−4,294−34.3%Reduced
Allspring Global Investments Holdings, LLC8,137$210.0K0.00%+8,137New
Advisor Group Holdings, Inc.6,234$160.9K0.00%−1,739−21.8%Reduced
Wells Fargo & Company6,185$159.6K0.00%+26+0.4%Added
MetLife Investment Management6,124$158.1K0.00%−215−3.4%Reduced
FMR LLC5,856$151.1K0.00%+861+17.2%Added
Mirae Asset Global ETFs Holdings Ltd.5,563$143.6K0.00%−811−12.7%Reduced
Deutsche Bank AG5,253$135.6K0.00%−2,217−29.7%Reduced
Citigroup Inc4,386$113.2K0.00%−3,891−47.0%Reduced
State of Wyoming3,963$102.3K0.01%−464−10.5%Reduced
Police & Firemen's Retirement System of New Jersey2,156$55.6K0.00%00.0%Unchanged
LOM Asset Management Ltd1,537$40.0K0.01%+1,537New
New York State Common Retirement Fund1,500$38.7K0.00%−3,800−71.7%Reduced
Steward Partners Investment Advisory, LLC1,424$36.8K0.00%+731+105.5%Added
Tower Research Capital LLC (TRC)1,057$27.3K0.00%+456+75.9%Added
Ameritas Investment Partners, Inc.1,051$27.1K0.00%00.0%Unchanged
Legal & General Group Plc976$25.2K0.00%00.0%Unchanged
California State Teachers Retirement System777$20.1K0.00%00.0%Unchanged
Farther Finance Advisors, LLC700$18.1K0.00%00.0%Unchanged
GAMMA Investing LLC481$12.4K0.00%+423+729.3%Added
Amalgamated Bank371$10.0K0.00%00.0%Unchanged
Jones Financial Companies LLLP255$6.86K0.00%+125+96.2%Added
Sterling Capital Management LLC243$6.27K0.00%+95+64.2%Added
Sound Income Strategies, LLC200$5.16K0.00%00.0%Unchanged
IFP Advisors, Inc0$4.49K0.00%0New
CWM, LLC120$3.00K0.00%−120−50.0%Reduced
Nisa Investment Advisors, LLC87$2.25K0.00%+29+50.0%Added
Smartleaf Asset Management LLC78$2.10K0.00%−74−48.7%Reduced
Covestor Ltd91$2.00K0.00%+9+11.0%Added
Sierra Ocean, LLC46$1.19K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.26$6710.00%00.0%Unchanged
EverSource Wealth Advisors, LLC15$3870.00%+3+25.0%Added