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 2026
Institutional positions in Natural Gas Services Group Inc as of Mar 31, 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
- 149
- +22 vs. Q4 2025
- Shares held
- 10.6M
- +1.41M (+15.4%) vs. Q4 2025
- Total value
- $398.7M
- +$90.6M (+29.4%) vs. Q4 2025
- New holders
- 34
- 56 more added
- Sold out
- 12
- 35 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 161 | $475.2M |
| Q1 2026 | 149 | $398.7M |
| Q4 2025 | 132 | $330.5M |
| Q3 2025 | 112 | $260.7M |
| Q2 2025 | 104 | $238.2M |
| Q1 2025 | 108 | $196.2M |
| Q4 2024 | 97 | $242.3M |
| Q3 2024 | 85 | $173.6M |
| Q2 2024 | 81 | $179.0M |
| Q1 2024 | 63 | $165.3M |
| Q4 2023 | 64 | $131.2M |
| Q3 2023 | 50 | $116.3M |
| Q2 2023 | 48 | $79.8M |
| Q1 2023 | 39 | $82.9M |
| Q4 2022 | 44 | $94.7M |
| Q3 2022 | 46 | $94.5M |
| Q2 2022 | 48 | $109.0M |
| Q1 2022 | 42 | $121.5M |
| Q4 2021 | 41 | $107.8M |
| Q3 2021 | 43 | $108.6M |
| Q2 2021 | 48 | $112.1M |
| Q1 2021 | 53 | $103.0M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Natural Gas Services Group Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 843,797 | $31.8M | 0.01% | −11,848−1.4% | Reduced |
| BlackRock, Inc. | 789,780 | $29.8M | 0.00% | −1,527−0.2% | Reduced |
| Aegis Financial Corp | 587,012 | $22.2M | 3.82% | −84,100−12.5% | Reduced |
| Vanguard Capital Management LLC | 510,995 | $19.3M | 0.00% | +510,995 | New |
| Weber Capital Management LLC | 481,764 | $18.2M | 18.16% | −16,817−3.4% | Reduced |
| Two Sigma Investments, LP | 365,209 | $13.8M | 0.01% | +304,445+501.0% | Added |
| Royce & Associates LP | 353,316 | $13.3M | 0.13% | −1,500−0.4% | Reduced |
| American Century Companies Inc | 339,022 | $12.8M | 0.01% | +61,385+22.1% | Added |
| Ameriprise Financial Inc | 337,571 | $12.7M | 0.00% | −176,054−34.3% | Reduced |
| Pacific Ridge Capital Partners, LLC | 305,374 | $11.5M | 2.50% | −40,288−11.7% | Reduced |
| First Eagle Investment Management, LLC | 287,188 | $10.8M | 0.02% | −8,051−2.7% | Reduced |
| Geode Capital Management, LLC | 285,813 | $10.8M | 0.00% | +38,612+15.6% | Added |
| Morgan Stanley | 263,206 | $9.93M | 0.00% | +88,451+50.6% | Added |
| Renaissance Technologies LLC | 238,042 | $8.98M | 0.01% | −18,400−7.2% | Reduced |
| AWM Investment Company, Inc. | 214,776 | $8.11M | 0.90% | −461,876−68.3% | Reduced |
| Bridgeway Capital Management, LLC | 213,503 | $8.06M | 0.16% | 00.0% | Unchanged |
| Millennium Management LLC | 212,542 | $8.02M | 0.01% | +113,436+114.5% | Added |
| State Street Corp | 198,987 | $7.51M | 0.00% | +110+0.1% | Added |
| Citadel Advisors LLC | 192,039 | $7.25M | 0.01% | +107,396+126.9% | Added |
| Cannell Capital LLC | 191,681 | $7.23M | 4.70% | −134,571−41.2% | Reduced |
| Qube Research & Technologies Ltd | 182,644 | $6.89M | 0.01% | +77,743+74.1% | Added |
| Russell Investments Group, Ltd. | 179,521 | $6.78M | 0.01% | +13,344+8.0% | Added |
| Phocas Financial Corp. | 162,465 | $6.13M | 0.96% | +118,777+271.9% | Added |
| RBF Capital, LLC | 140,000 | $5.28M | 0.26% | 00.0% | Unchanged |
| Marshall Wace, LLP | 114,282 | $4.31M | 0.00% | +114,282 | New |
| Prudential Financial Inc | 110,030 | $4.15M | 0.01% | +74,294+207.9% | Added |
| Arrowstreet Capital, Limited Partnership | 97,866 | $3.69M | 0.00% | +70,233+254.2% | Added |
| Empowered Funds, LLC | 96,149 | $3.63M | 0.02% | 00.0% | Unchanged |
| Bank of America Corp | 95,881 | $3.62M | 0.00% | +57,546+150.1% | Added |
| Bank of New York Mellon Corp | 95,419 | $3.60M | 0.00% | +3,186+3.5% | Added |
| Raymond James Financial Inc | 85,866 | $3.24M | 0.00% | −7,446−8.0% | Reduced |
| Northern Trust Corp | 84,632 | $3.19M | 0.00% | +4,394+5.5% | Added |
| BNP Paribas Arbitrage, SA | 81,657 | $3.08M | 0.00% | +53,305+188.0% | Added |
| Crown Advisors Management, Inc. | 80,000 | $3.02M | 2.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 79,385 | $3.00M | 0.00% | +79,385 | New |
| Vanguard Portfolio Management LLC | 78,916 | $2.98M | 0.00% | +78,916 | New |
| Vanguard Fiduciary Trust Co | 74,951 | $2.83M | 0.00% | +74,951 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 68,418 | $2.58M | 0.01% | +58,759+608.3% | Added |
| Walleye Capital LLC | 61,270 | $2.31M | 0.01% | +61,270 | New |
| Goldman Sachs Group Inc | 57,034 | $2.15M | 0.00% | +13,312+30.4% | Added |
| JPMorgan Chase & Co | 54,919 | $2.10M | 0.00% | +26,284+91.8% | Added |
| UBS Group AG | 54,761 | $2.07M | 0.00% | +33,027+152.0% | Added |
| Invesco Ltd. | 51,766 | $1.95M | 0.00% | −54,076−51.1% | Reduced |
| White Pine Capital LLC | 51,430 | $1.94M | 0.53% | −225−0.4% | Reduced |
| SEI Investments Co | 45,674 | $1.72M | 0.00% | +21,189+86.5% | Added |
| Uniplan Investment Counsel, Inc. | 43,638 | $1.65M | 0.17% | +43,638 | New |
| Rice Hall James & Associates, LLC | 43,568 | $1.64M | 0.09% | −635−1.4% | Reduced |
| Trexquant Investment LP | 39,865 | $1.50M | 0.01% | +20,566+106.6% | Added |
| D. E. Shaw & Co., Inc. | 39,619 | $1.50M | 0.00% | +25,463+179.9% | Added |
| Point72 Asset Management, L.P. | 37,271 | $1.41M | 0.00% | +37,271 | New |
| EAM Investors, LLC | 35,256 | $1.33M | 0.15% | +619+1.8% | Added |
| First Trust Advisors LP | 35,035 | $1.32M | 0.00% | +207+0.6% | Added |
| Simplex Trading, LLC | 33,348 | $1.26M | 0.04% | +20,916+168.2% | Added |
| New York State Common Retirement Fund | 31,605 | $1.19M | 0.00% | +22,527+248.1% | Added |
| TrueWealth Advisors, LLC | 30,550 | $1.15M | 0.29% | −319−1.0% | Reduced |
| Steward Partners Investment Advisory, LLC | 29,943 | $1.13M | 0.01% | +24,978+503.1% | Added |
| Charles Schwab Investment Management Inc | 28,971 | $1.09M | 0.00% | −901−3.0% | Reduced |
| Illumine Investment Management, LLC | 27,985 | $1.06M | 0.81% | +27,985 | New |
| Calamos Advisors LLC | 26,046 | $983.0K | 0.00% | +5,292+25.5% | Added |
| Quadrature Capital Ltd | 23,869 | $900.8K | 0.01% | +23,869 | New |
| Assenagon Asset Management S.A. | 21,662 | $817.5K | 0.00% | +21,662 | New |
| Stifel Financial Corp | 20,089 | $758.2K | 0.00% | −3,007−13.0% | Reduced |
| Jump Financial, LLC | 18,981 | $716.3K | 0.01% | +18,981 | New |
| State of Wyoming | 18,540 | $699.7K | 0.08% | +12,313+197.7% | Added |
| Creative Planning | 18,011 | $679.7K | 0.00% | +1,335+8.0% | Added |
| North Star Investment Management Corp. | 17,000 | $641.6K | 0.04% | +17,000 | New |
| Acadian Asset Management LLC | 16,659 | $628.0K | 0.00% | −7,734−31.7% | Reduced |
| FMR LLC | 15,940 | $601.6K | 0.00% | +10,095+172.7% | Added |
| AQR Capital Management LLC | 15,939 | $601.5K | 0.00% | +8,847+124.7% | Added |
| STRS Ohio | 15,800 | $596.3K | 0.00% | +8,000+102.6% | Added |
| Gsa Capital Partners LLP | 15,243 | $575.0K | 0.04% | +15,243 | New |
| Nuveen, LLC | 15,054 | $568.1K | 0.00% | 00.0% | Unchanged |
| Brasada Capital Management, LP | 15,000 | $567.5K | 0.10% | 00.0% | Unchanged |
| Arthur M. Cohen & Associates, LLC | 14,390 | $538.0K | 0.10% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 14,177 | $535.0K | 0.00% | +7,086+99.9% | Added |
| Kestra Advisory Services, LLC | 13,000 | $490.6K | 0.00% | +3,000+30.0% | Added |
| HRT Financial LP | 12,880 | $486.0K | 0.00% | +12,880 | New |
| Rhumbline Advisers | 12,779 | $482.3K | 0.00% | +138+1.1% | Added |
| Principal Financial Group Inc | 12,725 | $480.2K | 0.00% | +12,725 | New |
| Voleon Capital Management LP | 11,338 | $427.9K | 0.01% | +11,338 | New |
| State of Wisconsin Investment Board | 11,312 | $426.9K | 0.00% | +196+1.8% | Added |
| Boston Partners | 11,014 | $415.7K | 0.00% | −1,721−13.5% | Reduced |
| R Squared Ltd | 10,594 | $399.8K | 0.22% | +495+4.9% | Added |
| Numerai GP LLC | 10,554 | $398.3K | 0.04% | +10,554 | New |
| Susquehanna International Group, LLP | 10,335 | $390.0K | 0.00% | +10,335 | New |
| Brevan Howard Capital Management LP | 10,253 | $386.9K | 0.00% | +10,253 | New |
| Squarepoint Ops LLC | 10,146 | $382.9K | 0.00% | −7,773−43.4% | Reduced |
| PDT Partners, LLC | 10,075 | $380.2K | 0.02% | −3,919−28.0% | Reduced |
| Franklin Resources Inc | 10,058 | $379.6K | 0.00% | +10,058 | New |
| Deutsche Bank AG | 9,745 | $367.8K | 0.00% | +1,580+19.4% | Added |
| Barclays PLC | 9,412 | $355.2K | 0.00% | −11,972−56.0% | Reduced |
| Engineers Gate Manager LP | 9,371 | $353.7K | 0.00% | +9,371 | New |
| Magnetar Financial LLC | 8,980 | $338.9K | 0.00% | +8,980 | New |
| Centiva Capital, LP | 8,575 | $323.6K | 0.02% | +8,575 | New |
| Quantbot Technologies LP | 8,274 | $312.3K | 0.01% | +8,274 | New |
| Price T Rowe Associates Inc | 8,018 | $303.0K | 0.00% | +1,546+23.9% | Added |
| LPL Financial LLC | 7,805 | $294.6K | 0.00% | −98,915−92.7% | Reduced |
| Vanguard Global Advisers, LLC | 7,630 | $288.0K | 0.00% | +7,630 | New |
| Fca Corp | 7,000 | $264.2K | 0.07% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 6,818 | $257.3K | 0.00% | 00.0% | Unchanged |