NATURAL GAS SERVICES GROUP (NGS) Stock Institutional Trading Activity


NATURAL GAS SERVICES GROUP (NGS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC and First Eagle U.S. Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2019Renaissance Technologies LLCBuy38,200693,606$8,504
Q3 2019Renaissance Technologies LLCBuy118,401655,406$8,396
Q2 2019Renaissance Technologies LLCBuy54,000537,005$8,861
Q1 2019Renaissance Technologies LLCBuy35,400483,005$8,361
Q4 2018Renaissance Technologies LLCSell-10,795447,605$7,359
Q3 2018Renaissance Technologies LLCBuy74,411458,400$9,672
Q1 2018Renaissance Technologies LLCSell-6,211383,989$9,158
Q4 2017Renaissance Technologies LLCBuy9,500390,200$10,223
Q3 2017Renaissance Technologies LLCBuy27,600380,700$10,812
Q2 2017Renaissance Technologies LLCBuy38,700353,100$8,775
Q1 2017Renaissance Technologies LLCBuy49,900314,400$8,190
Q4 2016Renaissance Technologies LLCBuy4,900264,500$8,504
Q3 2016Renaissance Technologies LLCBuy20,100259,600$6,384
Q2 2016Renaissance Technologies LLCSell-13,300239,500$5,485
Q1 2016Renaissance Technologies LLCSell-1,800252,800$5,468
Q4 2015Renaissance Technologies LLCBuy2,500254,600$5,678
Q3 2015Renaissance Technologies LLCSell-14,000252,100$4,866
Q2 2015Renaissance Technologies LLCSell-39,030266,100$6,072
Q1 2015Renaissance Technologies LLCBuy6,137305,130$5,865
Q4 2014Renaissance Technologies LLCSell-50,807298,993$6,889
Q3 2014Renaissance Technologies LLCBuy57,700349,800$8,420
Q2 2014Renaissance Technologies LLCBuy14,300292,100$9,657
Q1 2014Renaissance Technologies LLCBuy30,100277,800$8,373
Q4 2013Renaissance Technologies LLCBuy22,200247,700$6,829
Q3 2013Renaissance Technologies LLCBuy15,200225,500$6,048
Q2 2013Renaissance Technologies LLCBuy210,300210,300$4,940

Frequently asked questions about NGS activity

  • Which institutional owners are buying NGS?

    Institutional owners buying NGS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in NGS activity?

    "Buy" means an investor increased their reported position in NGS compared to the prior reporting period. This reflects growing exposure to NATURAL GAS SERVICES GROUP (NGS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in NGS increasing?

    Institutional interest in NGS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.