Security Snapshot

NATURAL GAS SERVICES GROUP INC - Common Stock, Par Value $0.01 (NGS) Institutional Ownership

CUSIP: 63886Q109

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

131

Shares (Excl. Options)

9,822,468

Price

$33.65

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Type / Class
Equity / Common Stock, Par Value $0.01
Symbol
NGS on NYSE
Shares outstanding
12,633,882
Price per share
$37.74
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
9,822,468
Total reported value
$330,545,108
% of total 13F portfolios
0%
Share change
-3,330
Value change
+$1,723,629
Number of holders
131
Price from insider filings
$37.74
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • NGS - NATURAL GAS SERVICES GROUP INC - Common Stock, Par Value $0.01 is tracked under CUSIP 63886Q109.
  • 131 institutions reported positions in Q4 2025.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 131 to 31 between Q4 2025 and Q1 2026.
  • Reported value moved from $330,545,108 to $37,766,922.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 131 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 63886Q109?
CUSIP 63886Q109 identifies NGS - NATURAL GAS SERVICES GROUP INC - Common Stock, Par Value $0.01 in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of NATURAL GAS SERVICES GROUP INC - Common Stock, Par Value $0.01 (NGS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Hoak Public Equities, LP 4.6% -30% $19,348,750 -$8,854,257 575,000 -31% Hoak Public Equities, LP 22 Jan 2026
Mill Road Capital III, L.P. 4.3% -28% $10,362,758 -$4,366,331 530,879 -30% Mill Road Capital III, L.P. 21 Jan 2025
AWM Investment Company, Inc. 1.7% $8,105,646 214,776 AWM Investment Company, Inc. 31 Mar 2026

As of 31 Dec 2025, 131 institutional investors reported holding 9,822,468 shares of NATURAL GAS SERVICES GROUP INC - Common Stock, Par Value $0.01 (NGS). This represents 78% of the company’s total 12,633,882 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of NATURAL GAS SERVICES GROUP INC - Common Stock, Par Value $0.01 (NGS) together control 65% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
DIMENSIONAL FUND ADVISORS LP 6.8% 855,645 -0.2% 0.01% $28,792,761
BlackRock, Inc. 6.3% 791,307 +3.9% 0% $26,627,486
AWM Investment Company, Inc. 5.4% 676,652 0% 2.2% $22,769,340
AEGIS FINANCIAL CORP 5.3% 671,112 0% 5.4% $22,582,919
VANGUARD GROUP INC 5.1% 640,540 +4.7% 0% $21,554,171
AMERIPRISE FINANCIAL INC 4.1% 513,625 +0.84% 0% $17,283,482
WEBER CAPITAL MANAGEMENT LLC /ADV 3.9% 498,581 0% 16% $16,777,251
ROYCE & ASSOCIATES LP 2.8% 354,816 -1.9% 0.12% $11,939,558
Pacific Ridge Capital Partners, LLC 2.7% 345,662 -12% 2.6% $11,631,526
CANNELL CAPITAL LLC 2.6% 326,252 -9.1% 7% $10,978,380
First Eagle Investment Management, LLC 2.3% 295,239 -1.5% 0.02% $9,934,792
AMERICAN CENTURY COMPANIES INC 2.2% 277,637 +22% 0% $9,342,485
RENAISSANCE TECHNOLOGIES LLC 2% 256,442 -15% 0.01% $8,629,273
GEODE CAPITAL MANAGEMENT, LLC 2% 247,201 +3.5% 0% $8,320,957
BRIDGEWAY CAPITAL MANAGEMENT, LLC 1.7% 213,503 -8.6% 0.15% $7,184,376
STATE STREET CORP 1.6% 198,877 +1.4% 0% $6,692,211
MORGAN STANLEY 1.4% 174,755 +23% 0% $5,880,519
Russell Investments Group, Ltd. 1.3% 166,177 +21% 0.01% $5,591,865
RBF Capital, LLC 1.1% 140,000 0% 0.22% $4,711,000
Mill Road Capital Management LLC 0.86% 109,000 -73% 2.2% $3,667,850
LPL Financial LLC 0.84% 106,720 0% $3,591,143
Invesco Ltd. 0.84% 105,842 +425% 0% $3,561,583
Qube Research & Technologies Ltd 0.83% 104,901 +11% 0.01% $3,529,919
MILLENNIUM MANAGEMENT LLC 0.78% 99,106 -41% 0% $3,334,917
Empowered Funds, LLC 0.76% 96,149 0% 0.05% $3,235,414

Institutional Holders of NATURAL GAS SERVICES GROUP INC - Common Stock, Par Value $0.01 (NGS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 1,000,634 $37,766,922 +$8,083,941 $37.74 31
2025 Q4 9,822,468 $330,545,108 +$1,723,629 $33.65 131
2025 Q3 9,315,665 $260,734,075 +$2,863,897 $27.99 111
2025 Q2 9,227,443 $238,161,241 +$8,030,772 $25.81 103
2025 Q1 8,932,371 $196,244,560 -$3,170,802 $21.97 108
2024 Q4 9,043,739 $242,325,615 -$362,146 $26.80 97
2024 Q3 9,083,058 $173,609,496 +$2,271,651 $19.11 85
2024 Q2 8,898,781 $179,042,863 +$8,081,079 $20.12 81
2024 Q1 8,500,425 $165,301,949 +$7,073,564 $19.43 61
2023 Q4 8,156,560 $131,157,046 +$2,882,765 $16.08 63
2023 Q3 7,987,223 $116,292,322 +$132,616 $14.56 50
2023 Q2 8,059,707 $79,790,988 -$391,320 $9.90 48
2023 Q1 8,037,821 $82,864,429 -$2,465,948 $10.31 37
2022 Q4 8,259,799 $94,651,597 -$11,049,966 $11.46 43
2022 Q3 9,417,045 $94,547,004 -$5,462,984 $10.04 43
2022 Q2 9,907,918 $108,987,000 -$3,292,971 $11.00 43
2022 Q1 10,205,875 $121,513,000 -$981,580 $11.91 39
2021 Q4 10,293,927 $107,776,668 -$1,759,401 $10.47 36
2021 Q3 10,460,953 $108,580,073 -$4,616,044 $10.38 39
2021 Q2 11,200,376 $115,134,072 +$500,972 $10.28 45
2021 Q1 10,915,540 $103,038,066 -$6,373,672 $9.44 52
2020 Q4 11,702,405 $110,931,066 -$3,452,294 $9.48 58
2020 Q3 11,233,710 $94,976,059 +$1,151,216 $8.45 56
2020 Q2 11,409,296 $71,722,899 -$1,440,633 $6.27 61
2020 Q1 11,791,579 $52,664,853 -$2,941,266 $4.46 68
2019 Q4 11,902,923 $145,778,423 +$978,394 $12.26 73
2019 Q3 12,055,137 $154,111,902 -$1,130,404 $12.81 76
2019 Q2 11,985,546 $197,615,381 +$3,080,088 $16.50 81
2019 Q1 11,873,384 $205,627,649 -$2,293,932 $17.31 78
2018 Q4 12,013,256 $197,480,754 -$113,996 $16.44 83
2018 Q3 11,855,773 $250,240,916 -$1,078,526 $21.10 86
2018 Q2 11,893,251 $280,667,369 -$494,691 $23.60 91
2018 Q1 11,913,724 $284,142,680 +$2,345,856 $23.85 91
2017 Q4 11,781,114 $308,643,950 +$1,561,895 $26.20 93
2017 Q3 11,692,515 $332,192,516 +$4,418,717 $28.40 92
2017 Q2 11,559,376 $287,249,997 +$4,186,033 $24.85 100
2017 Q1 11,352,519 $295,730,114 +$21,363,701 $26.05 98
2016 Q4 11,367,499 $365,462,707 -$476,514 $32.15 104
2016 Q3 11,429,343 $281,043,687 -$2,377,514 $24.59 100
2016 Q2 11,531,724 $264,079,605 -$4,714,072 $22.90 105
2016 Q1 11,752,610 $254,135,000 +$7,783,120 $21.63 99
2015 Q4 11,388,087 $253,957,441 -$3,411,801 $22.30 98
2015 Q3 11,571,445 $223,336,836 +$3,507,926 $19.30 94
2015 Q2 11,379,930 $259,670,449 +$4,402,012 $22.82 92
2015 Q1 11,141,514 $214,225,163 -$2,059,178 $19.22 86
2014 Q4 11,315,062 $260,640,541 +$4,911,544 $23.04 90
2014 Q3 11,003,458 $264,852,028 +$1,107,223 $24.07 97
2014 Q2 10,931,221 $361,222,855 +$4,146,040 $33.06 105
2014 Q1 10,845,264 $326,890,447 +$4,494,672 $30.14 104
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