Natural Gas Services Group (NGS) Institutional Ownership

$36.38 +0.71 (+1.99%)

As of 03:58 PM Eastern

Current Institutional Ownership Percentage: 65.62%
Number of Institutional Buyers (last 12 months): 77
Total Institutional Inflows (last 12 months): $157.63M

Number of Institutional Sellers (last 12 months): 27
Total Institutional Outflows (last 12 months): $24.25M

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NGS Institutional Buying and Selling by Quarter

Natural Gas Services Group Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/24/2026	California State Teachers Retirement System	6,169	$266K	0.0%	+1,021.6%	0.048%
8/20/2026	Aegis Financial Corp	584,872	$25.23M	4.0%	-0.4%	4.534%
8/19/2026	Hsbc Holdings PLC	18,533	$805K	0.0%	+177.4%	0.144%
8/18/2026	Cannell Capital LLC	122,387	$5.28M	0.0%	N/A	0.949%
8/18/2026	Empowered Funds LLC	89,710	$3.87M	0.0%	N/A	0.695%
8/18/2026	Brasada Capital Management LP	15,000	$647K	0.0%	N/A	0.116%
8/17/2026	Bank of America Corp DE	46,336	$2.00M	0.0%	N/A	0.359%
8/15/2026	Man Group plc	7,207	$311K	0.0%	N/A	0.056%
8/15/2026	AWM Investment Company Inc.	189,732	$8.19M	0.7%	N/A	1.471%
8/14/2026	Hsbc Holdings PLC	18,533	$805K	0.0%	N/A	0.144%
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8/14/2026	PDT Partners LLC	10,075	$435K	0.0%	N/A	0.078%
8/14/2026	Legal & General Group Plc	1,160	$50K	0.0%	N/A	0.009%
8/13/2026	Weber Capital Management LLC ADV	479,712	$20.69M	0.0%	N/A	3.719%
8/13/2026	Connor Clark & Lunn Investment Management Ltd.	80,456	$3.47M	0.0%	N/A	0.624%
8/12/2026	Quantbot Technologies LP	9,309	$402K	0.0%	N/A	0.074%
8/7/2026	BlackRock Inc.	961,577	$41.48M	0.0%	N/A	7.632%
8/7/2026	Deutsche Bank AG	11,743	$507K	0.0%	N/A	0.093%
8/7/2026	Rice Hall James & Associates LLC	43,343	$1.87M	0.1%	N/A	0.344%
8/7/2026	Crown Advisors Management Inc.	80,000	$3.45M	1.9%	N/A	0.635%
8/7/2026	OneDigital Investment Advisors LLC	14,931	$644K	0.0%	N/A	0.119%
8/6/2026	Bank of New York Mellon Corp	97,801	$4.22M	0.0%	N/A	0.776%
8/6/2026	State of Wyoming	834	$36K	0.0%	N/A	0.007%
8/6/2026	GSA Capital Partners LLP	36,970	$1.60M	0.1%	N/A	0.293%
7/8/2026	TrueWealth Advisors LLC	27,120	$1.17M	0.3%	-11.2%	0.215%
5/19/2026	Bank of America Corp DE	95,881	$3.62M	0.0%	+150.1%	0.761%
5/18/2026	Royal Bank of Canada	4,153	$156K	0.0%	-9.8%	0.033%
5/16/2026	Lazard Asset Management LLC	14,177	$535K	0.0%	+99.9%	0.113%
5/15/2026	Rice Hall James & Associates LLC	43,568	$1.64M	0.1%	-1.4%	0.346%
5/14/2026	Renaissance Technologies LLC	238,042	$8.98M	0.0%	-7.2%	1.889%
5/14/2026	Arrowstreet Capital Limited Partnership	97,866	$3.69M	0.0%	+254.2%	0.777%
5/14/2026	Sei Investments Co.	45,674	$1.72M	0.0%	+86.5%	0.362%
5/14/2026	Walleye Capital LLC	61,270	$2.31M	0.0%	N/A	0.486%
5/14/2026	State of Wyoming	18,540	$700K	0.1%	+197.7%	0.147%
5/13/2026	Aegis Financial Corp	587,012	$22.15M	3.8%	-12.5%	4.659%
5/7/2026	Dimensional Fund Advisors LP	843,797	$31.85M	0.0%	-1.4%	6.702%
5/5/2026	Bank of New York Mellon Corp	95,419	$3.60M	0.0%	+3.5%	0.758%
5/4/2026	Calamos Advisors LLC	26,046	$983K	0.0%	+25.5%	0.207%
5/4/2026	Illumine Investment Management LLC	27,985	$1.06M	0.8%	N/A	0.222%
5/4/2026	Principal Financial Group Inc.	12,725	$480K	0.0%	N/A	0.101%
4/30/2026	Hsbc Holdings PLC	6,682	$256K	0.0%	-7.7%	0.053%
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4/30/2026	Kestra Advisory Services LLC	13,000	$491K	0.0%	+30.0%	0.103%
4/29/2026	R Squared Ltd	10,594	$400K	0.2%	+4.9%	0.084%
4/25/2026	Strs Ohio	15,800	$596K	0.0%	+102.6%	0.125%
4/23/2026	North Star Investment Management Corp.	17,000	$642K	0.0%	N/A	0.135%
4/20/2026	Assenagon Asset Management S.A.	21,662	$818K	0.0%	N/A	0.172%
3/20/2026	Hsbc Holdings PLC	7,240	$244K	0.0%	N/A	0.058%
2/19/2026	Invesco Ltd.	105,842	$3.56M	0.0%	+425.0%	0.842%
2/18/2026	Occudo Quantitative Strategies LP	7,898	$266K	0.0%	N/A	0.063%
2/18/2026	Millennium Management LLC	99,106	$3.34M	0.0%	-41.4%	0.788%
2/18/2026	Bridgeway Capital Management LLC	213,503	$7.18M	0.2%	-8.6%	1.699%
2/17/2026	PDT Partners LLC	13,994	$471K	0.0%	-9.4%	0.111%
2/17/2026	AQR Capital Management LLC	7,092	$239K	0.0%	N/A	0.056%
2/17/2026	Lazard Asset Management LLC	7,091	$239K	0.0%	-36.3%	0.056%
2/17/2026	Trexquant Investment LP	19,299	$649K	0.0%	N/A	0.154%
2/17/2026	Price T Rowe Associates Inc. MD	6,472	$218K	0.0%	N/A	0.051%
2/17/2026	Osaic Holdings Inc.	6,818	$229K	0.0%	+10.4%	0.054%
2/17/2026	Russell Investments Group Ltd.	166,177	$5.59M	0.0%	+21.1%	1.322%
2/17/2026	State of Wisconsin Investment Board	11,116	$374K	0.0%	N/A	0.088%
2/17/2026	Kemnay Advisory Services Inc.	3,374	$114K	0.0%	N/A	0.027%
2/17/2026	Arthur M. Cohen & Associates LLC	14,390	$484K	0.1%	+84.5%	0.114%
2/17/2026	Royal Bank of Canada	4,602	$154K	0.0%	+20.1%	0.037%
2/17/2026	Mangrove Partners IM LLC	6,199	$209K	0.0%	N/A	0.049%
2/17/2026	Rothschild Wealth LLC	17,000	$572K	0.1%	N/A	0.135%
2/16/2026	Squarepoint Ops LLC	17,919	$603K	0.0%	-41.6%	0.143%
2/16/2026	Barclays PLC	21,384	$720K	0.0%	+45.0%	0.170%
2/16/2026	Brasada Capital Management LP	15,000	$516K	0.1%	N/A	0.119%
2/13/2026	Stifel Financial Corp	23,096	$777K	0.0%	+62.9%	0.184%
2/13/2026	First Trust Advisors LP	34,828	$1.17M	0.0%	+3.3%	0.277%
2/13/2026	State Street Corp	198,877	$6.69M	0.0%	+1.4%	1.582%
2/13/2026	Boston Partners	12,735	$429K	0.0%	-20.9%	0.101%
2/13/2026	Wells Fargo & Company MN	11,320	$381K	0.0%	+53.3%	0.090%
2/12/2026	Renaissance Technologies LLC	256,442	$8.63M	0.0%	-14.8%	2.040%
2/12/2026	Dimensional Fund Advisors LP	855,645	$28.79M	0.0%	-0.2%	6.807%
2/12/2026	Informed Momentum Co LLC	34,637	$1.17M	0.1%	N/A	0.276%
2/12/2026	Steward Partners Investment Advisory LLC	4,965	$167K	0.0%	+437.9%	0.039%
2/12/2026	New York State Common Retirement Fund	9,078	$305K	0.0%	+192.8%	0.072%
2/11/2026	Zions Bancorporation National Association UT	790	$27K	0.0%	N/A	0.006%
2/11/2026	Deutsche Bank AG	8,165	$275K	0.0%	+11.4%	0.065%
2/11/2026	FCA Corp TX	7,000	$236K	0.1%	N/A	0.056%
2/11/2026	LPL Financial LLC	106,720	$3.59M	0.0%	N/A	0.849%
2/11/2026	State of Wyoming	6,227	$210K	0.0%	-33.1%	0.050%
2/10/2026	Goldman Sachs Group Inc.	43,722	$1.47M	0.0%	+4.9%	0.348%
2/10/2026	Intech Investment Management LLC	6,208	$209K	0.0%	N/A	0.049%
2/9/2026	Geode Capital Management LLC	247,201	$8.32M	0.0%	+3.5%	1.967%
2/9/2026	Royce & Associates LP	354,816	$11.94M	0.1%	-1.9%	2.823%
2/4/2026	Pacific Ridge Capital Partners LLC	345,662	$11.63M	2.6%	-11.7%	2.750%
2/4/2026	First Eagle Investment Management LLC	295,239	$9.94M	0.0%	-1.5%	2.349%
2/2/2026	Strs Ohio	7,800	$262K	0.0%	-17.9%	0.062%
1/30/2026	R Squared Ltd	10,099	$340K	0.2%	+16.1%	0.080%
1/29/2026	Weber Capital Management LLC ADV	498,581	$16.78M	15.8%	N/A	3.966%
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1/29/2026	Calamos Advisors LLC	20,754	$698K	0.0%	N/A	0.165%
1/28/2026	Crown Advisors Management Inc.	80,000	$2.69M	1.8%	+14.3%	0.636%
1/26/2026	Phocas Financial Corp.	43,688	$1.47M	0.2%	N/A	0.348%
1/23/2026	State of Alaska Department of Revenue	909	$30K	0.0%	N/A	0.007%
1/21/2026	Phocas Financial Corp.	43,688	$1.47M	0.2%	N/A	0.348%
1/15/2026	Allspring Global Investments Holdings LLC	9,024	$310K	0.0%	+12.0%	0.072%
1/9/2026	SG Americas Securities LLC	3,152	$106K	0.0%	N/A	0.025%
1/1/2026	JPMorgan Chase & Co.	31,197	$873K	0.0%	-8.2%	0.248%
11/18/2025	Acuitas Investments LLC	216,700	$6.07M	3.9%	+8.2%	1.724%
11/17/2025	Perritt Capital Management Inc	15,000	$420K	0.2%	-95.8%	0.119%

NGS Institutional Ownership - Frequently Asked Questions

During the previous two years, 118 institutional investors and hedge funds held shares of Natural Gas Services Group. The most heavily invested institutionals were BlackRock Inc. ($41.48M), Dimensional Fund Advisors LP ($31.85M), Aegis Financial Corp ($25.23M), Mill Road Capital Management LLC ($21.25M), Weber Capital Management LLC ADV ($20.69M), Vanguard Group Inc. ($17.12M), and Ameriprise Financial Inc. ($14.26M).Learn more on Natural Gas Services Group's institutional investors.

65.62% of Natural Gas Services Group's stock is owned by institutional investors. Learn more on NGS's institutional investor holdings.

Of the 107 institutional investors that purchased Natural Gas Services Group's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Weber Capital Management LLC ADV ($978.29K), BlackRock Inc. ($961.58K), Cannell Capital LLC ($393.99K), Proficio Capital Partners LLC ($221.90K), Invesco Ltd. ($193.36K), Crown Advisors Management Inc. ($190K), and AWM Investment Company Inc. ($189.73K).

Institutional investors have bought a total of 4,038,366 shares in the last 24 months. This purchase volume represents approximately $157.63M in transactions.

Of the 26 institutional investors that sold Natural Gas Services Group's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Perritt Capital Management Inc ($346.34K), Aegis Financial Corp ($86.24K), Millennium Management LLC ($69.92K), Renaissance Technologies LLC ($62.90K), Squarepoint Ops LLC ($57.37K), Pacific Ridge Capital Partners LLC ($54.58K), and Bridgeway Capital Management LLC ($25.66K).

Institutional investors have sold a total of 776,286 shares in the last 24 months. This volume of shares sold represents approximately $24.25M in transactions.

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Institutional ownership data for NYSE:NGS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/24/2026. New 13F filings are added each quarter as they're published.

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Natural Gas Services Group (NGS) Institutional Ownership

NGS Institutional Buying and Selling by Quarter

Natural Gas Services Group Major Shareholders & Ownership History

NGS Institutional Ownership - Frequently Asked Questions

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Natural Gas Services Group (NGS) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Natural Gas Services Group (NYSE:NGS)

NGS Institutional Buying and Selling by Quarter

Natural Gas Services Group Major Shareholders & Ownership History

NGS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of NGS shares?

What percentage of Natural Gas Services Group's stock is owned by institutional investors?

Which institutional investors have been buying Natural Gas Services Group's stock?

How much institutional buying is happening at Natural Gas Services Group?

Which of Natural Gas Services Group's major shareholders have been selling company stock?

How much institutional selling is happening at Natural Gas Services Group?

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