Natural Gas Services Group Inc

NGS

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

SEC filings (opens in a new tab)

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.

Q2 2026 vs. Q1 2026

How the institutions holding Natural Gas Services Group Inc changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of NGS: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	149	1	161	+13
Shares	10.6M	1.21K	11.0M	+424.5K (+4.0%)
Value	$398.7M	$45.8K	$475.2M	+$76.5M (+19.2%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held Natural Gas Services Group Inc at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to NGS in Q2 2026
Institution	Shares	Value	% of portfolio
Norges Bank	61,000	$2.63M	0.00%
XTX Topco Ltd	39,550	$1.71M	0.02%
LSV Asset Management	37,000	$1.60M	0.00%
Nomura Asset Management International Inc.	24,700	$1.07M	0.00%
Dynamic Technology Lab Private Ltd	15,978	$689.0K	0.15%
Resources Investment Advisors, LLC.	14,931	$644.1K	0.01%
Susquehanna Portfolio Strategies, LLC	8,372	$361.2K	0.01%
Los Angeles Capital Management LLC	7,825	$337.6K	0.00%
Y-Intercept (Hong Kong) Ltd	7,793	$336.2K	0.01%
Jacobs Levy Equity Management, Inc	6,580	$283.9K	0.00%
SkyView Investment Advisors, LLC	6,000	$259.0K	0.20%
Alliancebernstein L.P.	6,320	$238.5K	0.00%
Semanteon Capital Management, LP	5,468	$235.9K	1.06%
Boothbay Fund Management, LLC	5,420	$233.8K	0.00%
Vident Advisory, LLC	5,050	$217.9K	0.00%
Net Worth Advisory Group	4,894	$211.1K	0.05%
SG Americas Securities, LLC	4,381	$189.0K	0.00%
Copeland Capital Management, LLC	2,000	$86.3K	0.00%
Kemnay Advisory Services Inc.	1,060	$45.7K	0.01%
LRI Investments, LLC	172	$7.42K	0.00%
GWM Advisors LLC	138	$5.96K	0.00%
SRS Capital Advisors, Inc.	71	$3.06K	0.00%
National Bank of Canada	7	$301	0.00%
Clearstead Advisors, LLC	4	$173	0.00%
Global Retirement Partners, LLC	2	$86	0.00%
Keating Financial Advisory Services, Inc.	1	$43	0.00%

Sold out (13)

Institutions that held Natural Gas Services Group Inc at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of NGS in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Jane Street Group, LLC	79,385	$3.00M
Simplex Trading, LLC	33,348	$1.26M
Assenagon Asset Management S.A.	21,662	$817.5K
HRT Financial LP	12,880	$486.0K
Brevan Howard Capital Management LP	10,253	$386.9K
Franklin Resources Inc	10,058	$379.6K
Magnetar Financial LLC	8,980	$338.9K
Mirabella Financial Services LLP	5,577	$210.5K
Sound Income Strategies, LLC	201	$7.53K
Root Financial Partners, LLC	58	$2.19K
MAI Capital Management	50	$1.89K
Quadrant Capital Group LLC	47	$1.77K
SOA Wealth Advisors, LLC.	26	$991

Not filed for Q2 2026 yet (1)

Institutions that held Natural Gas Services Group Inc at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NGS in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
CWM, LLC	1,214	$45.8K