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.

Q4 2025 vs. Q3 2025

How the institutions holding Natural Gas Services Group Inc changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of NGS: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Q4 2025	Change
Holders	112	132	+20
Shares	9.32M	9.82M	+506.8K (+5.4%)
Value	$260.7M	$330.5M	+$69.8M (+26.8%)

New holders (29)

Institutions that held Natural Gas Services Group Inc at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to NGS in Q4 2025
Institution	Shares	Value	% of portfolio
Weber Capital Management LLC	498,581	$16.8M	15.84%
LPL Financial LLC	106,720	$3.59M	0.00%
Phocas Financial Corp.	43,688	$1.47M	0.19%
Prudential Financial Inc	35,736	$1.20M	0.00%
EAM Investors, LLC	34,637	$1.17M	0.13%
SEI Investments Co	24,485	$823.9K	0.00%
Calamos Advisors LLC	20,754	$698.4K	0.00%
Trexquant Investment LP	19,299	$649.4K	0.01%
Sentinus, LLC	17,000	$572.0K	0.05%
Brasada Capital Management, LP	15,000	$515.9K	0.09%
D. E. Shaw & Co., Inc.	14,156	$476.3K	0.00%
Simplex Trading, LLC	12,432	$418.3K	0.01%
State of Wisconsin Investment Board	11,116	$374.1K	0.00%
Connor, Clark & Lunn Investment Management Ltd.	9,659	$325.0K	0.00%
Occudo Quantitative Strategies LP	7,898	$265.8K	0.02%
HSBC Holdings PLC	7,240	$244.0K	0.00%
AQR Capital Management LLC	7,092	$238.6K	0.00%
Fca Corp	7,000	$235.6K	0.07%
Price T Rowe Associates Inc	6,472	$218.0K	0.00%
Intech Investment Management LLC	6,208	$208.9K	0.00%
Mangrove Partners	6,199	$208.6K	0.02%
Kemnay Advisory Services Inc.	3,374	$113.5K	0.02%
Canada Pension Plan Investment Board	3,300	$111.0K	0.00%
SG Americas Securities, LLC	3,152	$106.0K	0.00%
State of Alaska, Department of Revenue	909	$30.0K	0.00%
Zions Bancorporation, National Association	790	$26.6K	0.00%
Financial Consulate, Inc	500	$16.8K	0.00%
UBS Asset Management Americas Inc	66	$2.22K	0.00%
Allworth Financial LP	12	$404	0.00%

Sold out (9)

Institutions that held Natural Gas Services Group Inc at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of NGS in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Acuitas Investments, LLC	216,700	$6.07M
CWM Advisors, LLC	39,094	$1.09M
Jacobs Levy Equity Management, Inc	22,915	$641.4K
Jane Street Group, LLC	17,254	$482.9K
ExodusPoint Capital Management, LP	14,105	$394.8K
Inspire Advisors, LLC	11,539	$323.0K
Macquarie Group Ltd	650	$18.2K
SRS Capital Advisors, Inc.	31	$867
True Wealth Design, LLC	1	$28