Natural Gas Services Group Inc (NGS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

12,573,913Shares Outstanding

1,491,693Shares held by institutions

$55,565,564Value of institutional holdings

77.77%Institutional ownership %

9.44%Shares Changed QoQ

127No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Natural Gas Services Group Inc (NYSE:NGS) currently has 127 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

These investors collectively held 77.8% of the company's total shares outstanding in December 2025, up from 74.4% in September 2025.
The company experienced a 9.44% quarterly change in institutional shares held, alongside an increase of 33.68% in total owners annually.
Of these 127 institutional investors, 74 increased their holdings in Natural Gas Services, while 33 of them reduced positions, and 20 investors maintained their exposure.
The total number of shares held by institutions in Natural Gas Services increased to 9.78Mn as of December 2025, a net change of up by 843.41K shares quarter on quarter, and up 743.13K shares year over year.
With 855.64K shares, DIMENSIONAL FUND ADVISORS LP commands the largest institutional position in Natural Gas Services as of December 31, 2025, equating to 6.80% of the company.
Among the most significant buyers of Natural Gas Services during December 2025 were WEBER CAPITAL MANAGEMENT LLC /ADV (498.58K), RBF Capital, LLC (140.00K), LPL Financial LLC (106.72K), CITADEL ADVISORS LLC (76.31K), Bank of New York Mellon Corp (60.73K).
Leading sellers of Natural Gas Services stock in December 2025 included Mill Road Capital Management LLC (295.75K), MILLENNIUM MANAGEMENT LLC (69.92K), UBS Group AG (51.57K), Pacific Ridge Capital Partners, LLC (45.62K), RENAISSANCE TECHNOLOGIES LLC (44.50K).
The top 10 institutional holders of Natural Gas Services for the quarter ending December 2025 included DIMENSIONAL FUND ADVISORS LP (855.64K), BlackRock, Inc. (791.31K), AWM Investment Company, Inc. (676.65K), AEGIS FINANCIAL CORP (671.11K), VANGUARD GROUP INC (640.54K), AMERIPRISE FINANCIAL INC (513.62K), WEBER CAPITAL MANAGEMENT LLC /ADV (498.58K), ROYCE & ASSOCIATES LP (354.82K), Pacific Ridge Capital Partners, LLC (345.66K), CANNELL CAPITAL LLC (326.25K).

127 Institutional Holders

1,491,693 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	855,645	-1,752	-0.20%	$28,792,761.00
BlackRock, Inc.	31 Dec, 2025	791,307	29,679	3.90%	$26,627,486.00
AWM Investment Company, Inc.	31 Dec, 2025	676,652	0	0.00%	$22,769,340.00
AEGIS FINANCIAL CORP	31 Dec, 2025	671,112	0	0.00%	$22,582,919.00
VANGUARD GROUP INC	31 Dec, 2025	640,540	28,887	4.72%	$21,554,171.00
AMERIPRISE FINANCIAL INC	31 Dec, 2025	513,625	4,281	0.84%	$17,283,482.00
WEBER CAPITAL MANAGEMENT LLC /ADV	31 Dec, 2025	498,581	498,581	0.00%	$16,777,251.00
ROYCE & ASSOCIATES LP	31 Dec, 2025	354,816	-6,755	-1.87%	$11,939,558.00
Pacific Ridge Capital Partners, LLC	31 Dec, 2025	345,662	-45,625	-11.66%	$11,631,526.00
CANNELL CAPITAL LLC	31 Dec, 2025	326,252	-32,769	-9.13%	$10,978,380.00
First Eagle Investment Management, LLC	31 Dec, 2025	295,239	-4,500	-1.50%	$9,934,792.00
RBF Capital, LLC	31 Dec, 2025	280,000	140,000	100.00%	$9,422,000.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	277,637	50,979	22.49%	$9,342,485.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	256,442	-44,500	-14.79%	$8,629,273.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	247,201	8,304	3.48%	$8,320,957.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	213,503	-20,000	-8.57%	$7,184,376.00
STATE STREET CORP	31 Dec, 2025	198,877	2,734	1.39%	$6,692,211.00
MORGAN STANLEY	31 Dec, 2025	174,755	32,107	22.51%	$5,880,519.00
Russell Investments Group, Ltd.	31 Dec, 2025	166,177	28,940	21.09%	$5,591,865.00
Mill Road Capital Management LLC	31 Dec, 2025	109,000	-295,745	-73.07%	$3,667,850.00

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