NATURAL GAS SERVICES GROUP INC

NGSNYSE

$33.17+0.42 (+1.28%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

NATURAL GAS SERVICES GROUP INC price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+24.0%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	7.63%	$41.5M	0.00%	Not reported
Dimensional Fund Advisors LP	6.75%	$36.7M	0.01%	Not reported
First Eagle Investment Management, LLC	5.52%	$30M	0.02%	Add 142.13%
Aegis Financial Corp	4.64%	$25.2M	3.98%	Reduce 0.36%
Vanguard Capital Management LLC	4.07%	$22.1M	0.00%	Not reported
Weber Capital Management LLC	3.81%	$20.7M	17.61%	Reduce 0.43%
Two Sigma Investments, LP	3.26%	$17.7M	0.01%	Not reported
American Century Companies Inc	3.24%	$17.6M	0.01%	Not reported
Ameriprise Financial Inc	3.02%	$16.4M	0.00%	Not reported
Royce & Associates LP	2.88%	$15.7M	0.13%	Not reported
Morgan Stanley	2.56%	$13.9M	0.00%	Not reported
Geode Capital Management, LLC	2.54%	$13.8M	0.00%	Not reported
State Street Corp	2.41%	$13.1M	0.00%	Not reported
Pacific Ridge Capital Partners, LLC	2.41%	$13.1M	2.37%	Reduce 0.77%
Renaissance Technologies LLC	1.70%	$9.24M	0.01%	Not reported
Bridgeway Capital Management, LLC	1.58%	$8.59M	0.15%	Not reported
Citadel Advisors LLC	1.47%	$7.97M	0.00%	Not reported
Millennium Management LLC	1.42%	$7.72M	0.00%	Not reported
Phocas Financial Corp.	1.23%	$6.66M	0.92%	Reduce 4.95%
Russell Investments Group, Ltd.	1.17%	$6.37M	0.01%	Not reported
RBF Capital, LLC	1.11%	$6.04M	0.25%	Not reported
Cannell Capital LLC	0.97%	$5.28M	3.54%	Reduce 36.15%
Qube Research & Technologies Ltd	0.97%	$5.28M	0.00%	Not reported
Vanguard Portfolio Management LLC	0.93%	$5.04M	0.00%	Not reported
Northern Trust Corp	0.92%	$4.99M	0.00%	Not reported
BNP Paribas Financial Markets	0.85%	$4.6M	0.00%	Not reported
Arrowstreet Capital, Limited Partnership	0.79%	$4.32M	0.00%	Not reported
Bank of New York Mellon Corp	0.78%	$4.22M	0.00%	Not reported
Empowered Funds, LLC	0.71%	$3.87M	0.02%	Reduce 6.70%
Crown Advisors Management, Inc.	0.64%	$3.45M	1.90%	Not reported
Prudential Financial Inc	0.63%	$3.45M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.63%	$3.41M	0.00%	Not reported
Uniplan Investment Counsel, Inc.	0.61%	$3.33M	0.31%	Add 77.02%
Raymond James Financial Inc	0.60%	$3.26M	0.00%	Not reported
Marshall Wace, LLP	0.55%	$2.98M	0.00%	Not reported
Norges Bank	0.48%	$2.63M	0.00%	Not reported
Trexquant Investment LP	0.45%	$2.45M	0.01%	Not reported
Invesco Ltd.	0.44%	$2.41M	0.00%	Not reported
Goldman Sachs Group Inc	0.42%	$2.27M	0.00%	Not reported
White Pine Capital LLC	0.39%	$2.1M	0.50%	Reduce 45.86%
Bank of America Corp	0.37%	$2M	0.00%	Not reported
Steward Partners Investment Advisory, LLC	0.36%	$1.93M	0.01%	Not reported
Acadian Asset Management LLC	0.35%	$1.91M	0.00%	Not reported
Rice Hall James & Associates, LLC	0.34%	$1.87M	0.09%	Reduce 0.52%
JPMorgan Chase & Co	0.34%	$1.83M	0.00%	Not reported
D. E. Shaw & Co., Inc.	0.32%	$1.74M	0.00%	Not reported
Numerai GP LLC	0.32%	$1.74M	0.14%	Add 281.24%
XTX Topco Ltd	0.31%	$1.71M	0.02%	Not reported
LSV Asset Management	0.29%	$1.6M	0.00%	New Not reported
Gsa Capital Partners LLP	0.29%	$1.6M	0.10%	Not reported

50 of 148 holders

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