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Natural Gas Services Group
NGS

112 hedge funds and large institutions have $261M invested in Natural Gas Services Group in 2025 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 38 increasing their positions, 31 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

566,400% more call options, than puts

Call options by funds: $11.3M | Put options by funds: $2K

82% more first-time investments, than exits

New positions opened: 20 | Existing positions closed: 11

25% more funds holding in top 10

Funds holding in top 10: 4 → 5 (+1)

23% more repeat investments, than reductions

Existing positions increased: 38 | Existing positions reduced: 31

9% more capital invested

Capital invested by funds: $238M → $261M (+$22.6M)

9% more funds holding

Funds holding: 103 → 112 (+9)

0.63% more ownership

Funds ownership: 73.64% → 74.27% (+0.63%)

Holders
112
Holders Change
+9
Holders Change %
+8.74%
% of All Funds
1.47%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.07%
New
20
Increased
38
Reduced
31
Closed
11
Calls
$11.3M
Puts
$2K
Net Calls
+$11.3M
Net Calls Change
+$775K

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$2.48M
2
American Century Companies
American Century Companies
Missouri
+$1.88M
3
CC
Cannell Capital
Wyoming
+$702K
4
Two Sigma Investments
Two Sigma Investments
New York
+$699K
5
UBS Group
UBS Group
Switzerland
+$657K

Top Sellers

Rank Fund Capital Flow
1
Invesco
Invesco
Georgia
-$2.37M
2
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$1.48M
3
Squarepoint
Squarepoint
New York
-$1.14M
4
Renaissance Technologies
Renaissance Technologies
New York
-$933K
5
HighTower Advisors
HighTower Advisors
Illinois
-$380K
Name Holding Trade Value Shares
Change 		Change in
Stake
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$24M -$31.7K -1,238 -0.1%
BlackRock
2
BlackRock
New York
$21.3M -$282K -11,015 -1%
AIC
3
AWM Investment Company
New York
$18.9M – – –
AF
4
Aegis Financial
Virginia
$18.8M – – –
Vanguard Group
5
Vanguard Group
Pennsylvania
$17.1M +$188K +7,345 +1%
Ameriprise
6
Ameriprise
Minnesota
$14.3M -$9.48K -370 -0.1%
MRCM
7
Mill Road Capital Management
Connecticut
$11.3M – – –
PRCP
8
Pacific Ridge Capital Partners
Oregon
$11M -$229K -8,956 -2%
RA
9
Royce & Associates
New York
$10.1M +$225K +8,784 +2%
CC
10
Cannell Capital
Wyoming
$10M +$702K +27,405 +8%
Renaissance Technologies
11
Renaissance Technologies
New York
$8.42M -$933K -36,400 -11%
First Eagle Investment Management
12
First Eagle Investment Management
New York
$8.39M +$12.8K +500 +0.2%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$6.69M +$207K +8,080 +4%
BCM
14
Bridgeway Capital Management
Texas
$6.54M -$145K -5,660 -2%
American Century Companies
15
American Century Companies
Missouri
$6.34M +$1.88M +73,297 +48%
AI
16
Acuitas Investments
Washington
$6.07M +$423K +16,500 +8%
State Street
17
State Street
Massachusetts
$5.49M +$14.1K +549 +0.3%
Millennium Management
18
Millennium Management
New York
$4.73M +$2.48M +96,690 +134%
Morgan Stanley
19
Morgan Stanley
New York
$3.99M +$129K +5,049 +4%
RC
20
RBF Capital
California
$3.92M – – –
Russell Investments Group
21
Russell Investments Group
United Kingdom
$3.84M -$252K -9,847 -7%
EF
22
Empowered Funds
Pennsylvania
$2.69M -$145K -5,660 -6%
Qube Research & Technologies (QRT)
23
Qube Research & Technologies (QRT)
United Kingdom
$2.64M +$416K +16,253 +21%
Raymond James Financial
24
Raymond James Financial
Florida
$2.59M +$29.5K +1,151 +1%
Northern Trust
25
Northern Trust
Illinois
$2.47M +$68.3K +2,666 +3%
1
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NGS Hedge Fund Activity: Q3 2025 in Review

112 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Natural Gas Services Group (NGS) for Q3 2025, worth a combined $261M — up 9.5% from $238M a quarter earlier.

Buyers outnumbered sellers: 20 funds opened new NGS positions and 11 closed out — a net gain of 9 holders — while 38 added to existing stakes and 31 trimmed.

The largest buyer was Millennium Management, adding an estimated $2.48M. The largest seller was Invesco, cutting an estimated $2.37M.

  • 112 institutional investors held Natural Gas Services Group (NGS) as of Q3 2025, up from 103 in Q2 2025.
  • Funds reported $261M of Natural Gas Services Group stock for Q3 2025, up 9.5% quarter-over-quarter.
  • 20 funds opened new Natural Gas Services Group positions in Q3 2025 and 11 closed out, a net change of +9 holders.
  • The largest Natural Gas Services Group buyer in Q3 2025 was Millennium Management, an estimated $2.48M added.
  • The largest Natural Gas Services Group seller in Q3 2025 was Invesco, an estimated $2.37M sold.

Based on aggregated 13F filings for Q3 2025.