NATURAL GAS SERVICES GROUP INC - NGS

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
DIMENSIONAL FUND ADVISORS LP History Reduced 855,645 28,792 0.01% 0.01% 1 -1,752 -0.2% Q4 2025 Feb 12, 2026
BlackRock, Inc. History Added to 791,307 26,627 0.0% 0.0% 2 +29,679 3.9% Q4 2025 Feb 12, 2026
AWM Investment Company, Inc. History No change 676,652 22,769 2.2% 1.78% 3 0 0.0% Q4 2025 Feb 13, 2026
AEGIS FINANCIAL CORP History No change 671,112 22,582 5.39% 7.19% 4 0 0.0% Q4 2025 Feb 12, 2026
VANGUARD GROUP INC History Added to 640,540 21,554 0.0% 0.0% 5 +28,887 4.72% Q4 2025 Jan 29, 2026
AMERIPRISE FINANCIAL INC History Added to 513,625 17,283 0.0% 0.0% 6 +4,281 0.84% Q4 2025 Feb 17, 2026
WEBER CAPITAL MANAGEMENT LLC /ADV History New 498,581 16,777 15.84% 7 +498,581 New Q4 2025 Jan 29, 2026
ROYCE & ASSOCIATES LP History Reduced 354,816 11,939 0.12% 0.1% 8 -6,755 -1.87% Q4 2025 Feb 09, 2026
Pacific Ridge Capital Partners, LLC History Reduced 345,662 11,631 2.55% 2.41% 9 -45,625 -11.66% Q4 2025 Feb 04, 2026
CANNELL CAPITAL LLC History Reduced 326,252 10,978 5.32% 1.53% 10 -32,769 -9.13% Q4 2025 Feb 17, 2026
First Eagle Investment Management, LLC History Reduced 295,239 9,934 0.02% 0.02% 11 -4,500 -1.5% Q4 2025 Feb 04, 2026
AMERICAN CENTURY COMPANIES INC History Added to 277,637 9,342 0.0% 0.0% 12 +50,979 22.49% Q4 2025 Feb 13, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 256,442 8,629 0.01% 0.01% 13 -44,500 -14.79% Q4 2025 Feb 12, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 247,201 8,320 0.0% 0.0% 14 +8,304 3.48% Q4 2025 Feb 09, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Reduced 213,503 7,184 0.15% 0.14% 15 -20,000 -8.57% Q4 2025 Feb 17, 2026
STATE STREET CORP History Added to 198,877 6,692 0.0% 0.0% 16 +2,734 1.39% Q4 2025 Feb 13, 2026
MORGAN STANLEY History Added to 174,755 5,880 0.0% 0.0% 17 +32,107 22.51% Q4 2025 Feb 13, 2026
Russell Investments Group, Ltd. History Added to 166,177 5,591 0.01% 0.0% 18 +28,940 21.09% Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History Added to 141,343 4,756 0.0% 0.0% 19 +19,209 15.73% Q4 2025 Feb 17, 2026
RBF Capital, LLC History No change 140,000 4,711 0.21% 0.17% 20 0 0.0% Q4 2025 Feb 17, 2026
Mill Road Capital Management LLC History Reduced 109,000 3,667 2.18% 5.9% 21 -295,745 -73.07% Q4 2025 Feb 17, 2026
LPL Financial LLC History New 106,720 3,591 0.0% 22 +106,720 New Q4 2025 Feb 11, 2026
Invesco Ltd. History Added to 105,842 3,561 0.0% 0.0% 23 +85,682 425.01% Q4 2025 Feb 19, 2026
Qube Research & Technologies Ltd History Added to 104,901 3,529 0.0% 0.0% 24 +10,662 11.31% Q4 2025 Feb 17, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 99,106 3,334 0.0% 0.0% 25 -69,917 -41.37% Q4 2025 Feb 17, 2026
Empowered Funds, LLC History No change 96,149 3,235 0.05% 0.03% 26 0 0.0% Q4 2025 Feb 18, 2026
RAYMOND JAMES FINANCIAL INC History Added to 93,312 3,139 0.0% 0.0% 27 +918 0.99% Q4 2025 Feb 18, 2026
Bank of New York Mellon Corp History Added to 92,233 3,103 0.0% 0.0% 28 +60,730 192.78% Q4 2025 Feb 10, 2026
NORTHERN TRUST CORP History Reduced 80,238 2,700 0.0% 0.0% 29 -8,086 -9.15% Q4 2025 Feb 17, 2026
CROWN ADVISORS MANAGEMENT, INC. History Added to 80,000 2,692 1.77% 1.31% 30 +10,000 14.29% Q4 2025 Jan 28, 2026
TWO SIGMA INVESTMENTS, LP History Added to 60,764 2,044 0.0% 0.0% 31 +19,325 46.63% Q4 2025 Feb 17, 2026
PEAK6 LLC History Added to 60,000 2,019 0.0% 0.0% 32 +23,400 63.93% Q4 2025 Mar 12, 2026
WHITE PINE CAPITAL LLC History Reduced 51,655 1,738 0.48% 0.42% 33 -1,047 -1.99% Q4 2025 Feb 09, 2026
RICE HALL JAMES & ASSOCIATES, LLC History Reduced 44,203 1,487 0.08% 0.07% 34 -116 -0.26% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History Added to 43,722 1,471 0.0% 0.0% 35 +2,032 4.87% Q4 2025 Mar 25, 2026
Phocas Financial Corp. History New 43,688 1,470 0.19% 36 +43,688 New Q4 2025 Jan 26, 2026
BANK OF AMERICA CORP /DE/ History Added to 38,335 1,289 0.0% 0.0% 37 +13,488 54.28% Q4 2025 Feb 17, 2026
PRUDENTIAL FINANCIAL INC History New 35,736 1,202 0.0% 38 +35,736 New Q4 2025 Feb 13, 2026
FIRST TRUST ADVISORS LP History Added to 34,828 1,171 0.0% 0.0% 39 +1,103 3.27% Q4 2025 Feb 13, 2026
Informed Momentum Co LLC History New 34,637 1,165 0.13% 40 +34,637 New Q4 2025 Feb 12, 2026
TWO SIGMA ADVISERS, LP History Added to 32,030 1,077 0.0% 0.0% 41 +1,900 6.31% Q4 2025 Feb 17, 2026
TrueWealth Advisors, LLC History Added to 30,869 1,038 0.27% 0.23% 42 +225 0.73% Q4 2025 Jan 07, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 29,872 1,005 0.0% 0.0% 43 -13 -0.04% Q4 2025 Feb 13, 2026
JANE STREET GROUP, LLC History Reduced 28,900 972 0.0% 0.0% 44 -25,354 -46.73% Q4 2025 Feb 12, 2026
JPMORGAN CHASE & CO History Reduced 28,635 963 0.0% 0.0% 45 -2,562 -8.21% Q4 2025 Feb 11, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 28,352 954 0.0% 0.0% 46 +11,552 68.76% Q4 2025 Feb 10, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History Reduced 27,633 929 0.0% 0.0% 47 -3,482 -11.19% Q4 2025 Feb 13, 2026
SEI INVESTMENTS CO History New 24,485 823 0.0% 48 +24,485 New Q4 2025 Feb 13, 2026
ACADIAN ASSET MANAGEMENT LLC History Added to 24,393 819 0.0% 0.0% 49 +917 3.91% Q4 2025 Feb 10, 2026
STIFEL FINANCIAL CORP History Added to 23,096 777 0.0% 0.0% 50 +8,920 62.92% Q4 2025 Feb 13, 2026
UBS Group AG History Reduced 21,734 731 0.0% 0.0% 51 -51,569 -70.35% Q4 2025 Jan 29, 2026
BARCLAYS PLC History Added to 21,384 719 0.0% 0.0% 52 +6,640 45.04% Q4 2025 Feb 13, 2026
Calamos Advisors LLC History New 20,754 698 0.0% 53 +20,754 New Q4 2025 Jan 29, 2026
Trexquant Investment LP History New 19,299 649 0.01% 54 +19,299 New Q4 2025 Feb 17, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 17,900 602 0.0% 0.0% 55 -55,400 -75.58% Q4 2025 Feb 17, 2026
Squarepoint Ops LLC History Reduced 17,919 602 0.0% 0.0% 56 -12,785 -41.64% Q4 2025 Feb 13, 2026
Rothschild Wealth LLC History New 17,000 572 0.05% 58 +17,000 New Q4 2025 Feb 17, 2026
PERRITT CAPITAL MANAGEMENT INC History Added to 17,000 572 0.96% 0.2% 57 +2,000 13.33% Q4 2025 Feb 17, 2026
Creative Planning History Added to 16,676 561 0.0% 0.0% 59 +2,414 16.93% Q4 2025 Feb 17, 2026
BRASADA CAPITAL MANAGEMENT, LP History New 15,000 515 0.09% 60 +15,000 New Q4 2025 Feb 13, 2026
Nuveen, LLC History No change 15,054 506 0.0% 0.0% 61 0 0.0% Q4 2025 Feb 12, 2026
ARTHUR M. COHEN & ASSOCIATES, LLC History Added to 14,390 484 0.08% 0.04% 62 +6,590 84.49% Q4 2025 Feb 17, 2026
D. E. Shaw & Co., Inc. History New 14,156 476 0.0% 63 +14,156 New Q4 2025 Feb 17, 2026
PDT Partners, LLC History Reduced 13,994 470 0.03% 0.03% 64 -1,458 -9.44% Q4 2025 Feb 17, 2026
Boston Partners History Reduced 12,735 428 0.0% 0.0% 65 -3,370 -20.93% Q4 2025 Feb 13, 2026
RHUMBLINE ADVISERS History Reduced 12,641 425 0.0% 0.0% 66 -2,518 -16.61% Q4 2025 Feb 13, 2026
SIMPLEX TRADING, LLC History New 12,432 418 0.0% 67 +12,432 New Q4 2025 Feb 11, 2026
WELLS FARGO & COMPANY/MN History Added to 11,320 380 0.0% 0.0% 68 +3,938 53.35% Q4 2025 Feb 13, 2026
STATE OF WISCONSIN INVESTMENT BOARD History New 11,116 374 0.0% 69 +11,116 New Q4 2025 Feb 17, 2026
AlphaQuest LLC History Reduced 10,405 350 0.02% 0.03% 70 -4,486 -30.13% Q4 2025 Feb 09, 2026
R Squared Ltd History Added to 10,099 339 0.16% 0.1% 71 +1,400 16.09% Q4 2025 Jan 30, 2026
Kestra Advisory Services, LLC History No change 10,000 336 0.0% 0.0% 72 0 0.0% Q4 2025 Feb 13, 2026
Connor, Clark & Lunn Investment Management Ltd. History New 9,659 325 0.0% 73 +9,659 New Q4 2025 Feb 10, 2026
Brandywine Global Investment Management, LLC History New 9,385 315 0.0% 74 +9,385 New Q4 2025 Feb 11, 2026
Allspring Global Investments Holdings, LLC History Added to 9,024 310 0.0% 0.0% 75 +967 12.0% Q4 2025 Jan 15, 2026
NEW YORK STATE COMMON RETIREMENT FUND History Added to 9,078 305 0.0% 0.0% 76 +5,978 192.84% Q4 2025 Feb 12, 2026
DEUTSCHE BANK AG\ History Added to 8,165 274 0.0% 0.0% 77 +836 11.41% Q4 2025 Feb 11, 2026
OCCUDO QUANTITATIVE STRATEGIES LP History New 7,898 265 0.02% 78 +7,898 New Q4 2025 Feb 17, 2026
STRS OHIO History Reduced 7,800 262 0.0% 0.0% 79 -1,700 -17.89% Q4 2025 Feb 02, 2026
HSBC HOLDINGS PLC History New 7,240 243 0.0% 80 +7,240 New Q4 2025 Mar 20, 2026
AQR CAPITAL MANAGEMENT LLC History New 7,092 238 0.0% 81 +7,092 New Q4 2025 Feb 17, 2026
LAZARD ASSET MANAGEMENT LLC History Reduced 7,091 238 0.0% 0.0% 82 -4,038 -36.28% Q4 2025 Feb 17, 2026
FCA CORP /TX History New 7,000 235 0.07% 83 +7,000 New Q4 2025 Feb 11, 2026
OSAIC HOLDINGS, INC. History Added to 6,818 229 0.0% 0.0% 84 +642 10.4% Q4 2025 Feb 17, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History New 6,472 218 0.0% 85 +6,472 New Q4 2025 Feb 17, 2026
State of Wyoming History Reduced 6,227 209 0.02% 0.03% 86 -3,086 -33.14% Q4 2025 Feb 11, 2026
INTECH INVESTMENT MANAGEMENT LLC History New 6,208 208 0.0% 87 +6,208 New Q4 2025 Feb 10, 2026
MANGROVE PARTNERS IM, LLC History New 6,199 208 0.02% 88 +6,199 New Q4 2025 Feb 17, 2026
MetLife Investment Management, LLC History No change 6,124 206 0.0% 0.0% 89 0 0.0% Q4 2025 Feb 12, 2026
FMR LLC History Added to 5,845 196 0.0% 0.0% 90 +126 2.2% Q4 2025 Feb 17, 2026
Steward Partners Investment Advisory, LLC History Added to 4,965 167 0.0% 0.0% 91 +4,042 437.92% Q4 2025 Feb 12, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Reduced 4,745 159 0.0% 0.0% 92 -59 -1.23% Q4 2025 Feb 17, 2026
ROYAL BANK OF CANADA History New 4,602 154 0.0% 93 +4,602 New Q4 2025 Feb 17, 2026
Kemnay Advisory Services Inc. History New 3,374 113 0.02% 94 +3,374 New Q4 2025 Feb 17, 2026
CANADA PENSION PLAN INVESTMENT BOARD History New 3,300 111 0.0% 95 +3,300 New Q4 2025 Feb 17, 2026
SG Americas Securities, LLC History New 3,152 106 0.0% 96 +3,152 New Q4 2025 Jan 09, 2026
Police & Firemen's Retirement System of New Jersey History No change 2,863 96 0.0% 0.0% 97 0 0.0% Q4 2025 Feb 13, 2026
CITIGROUP INC History Added to 2,612 87 0.0% 0.0% 98 +1,437 122.3% Q4 2025 Feb 13, 2026
LOM Asset Management Ltd History No change 1,537 51 0.01% 0.01% 99 0 0.0% Q4 2025 Jan 23, 2026
Ameritas Investment Partners, Inc. History No change 1,051 35 0.0% 0.0% 100 0 0.0% Q4 2025 Feb 11, 2026
Legal & General Group Plc History No change 976 32 0.0% 0.0% 101 0 0.0% Q4 2025 Feb 09, 2026
State of Alaska, Department of Revenue History New 909 30 0.0% 102 +909 New Q4 2025 Jan 23, 2026
ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/ History New 790 26 0.0% 103 +790 New Q4 2025 Feb 11, 2026
Farther Finance Advisors, LLC History Added to 711 23 0.0% 0.0% 104 +11 1.57% Q4 2025 Jan 23, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 627 21 0.0% 0.0% 105 -151 -19.41% Q4 2025 Feb 17, 2026
Smartleaf Asset Management LLC History Added to 529 17 0.0% 0.0% 107 +321 154.33% Q4 2025 Feb 13, 2026
GAMMA Investing LLC History Added to 517 17 0.0% 0.0% 106 +36 7.48% Q4 2025 Jan 05, 2026
FINANCIAL CONSULATE, INC History New 500 16 0.0% 110 +500 New Q4 2025 Jan 22, 2026
Tower Research Capital LLC (TRC) History Reduced 488 16 0.0% 0.0% 109 -182 -27.16% Q4 2025 Feb 17, 2026
UMB Bank, n.a. History No change 500 16 0.0% 0.0% 108 0 0.0% Q4 2025 Feb 13, 2026
Sterling Capital Management LLC History Reduced 448 15 0.0% 0.0% 111 -74 -14.18% Q4 2025 Feb 13, 2026
AMALGAMATED BANK History Reduced 319 11 0.0% 0.0% 112 -52 -14.02% Q4 2025 Feb 05, 2026
CWM, LLC History Added to 260 9 0.0% 0.0% 113 +46 21.5% Q4 2025 Jan 26, 2026
IFP Advisors, Inc History Added to 196 6 0.0% 0.0% 114 +118 151.28% Q4 2025 Feb 06, 2026
Sound Income Strategies, LLC History Added to 201 6 0.0% 0.0% 115 +1 0.5% Q4 2025 Jan 21, 2026
JONES FINANCIAL COMPANIES LLLP History No change 125 4 0.0% 0.0% 116 0 0.0% Q4 2025 Feb 17, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 91 3 0.0% 117 +83 1037.5% Q4 2025 Feb 06, 2026
Optiver Holding B.V. History Reduced 86 2 0.0% 0.0% 120 -84 -49.41% Q4 2025 Feb 17, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History New 66 2 0.0% 118 +66 New Q4 2025 Feb 13, 2026
Covestor Ltd History Reduced 48 2 0.0% 0.0% 121 -26 -35.14% Q4 2025 Feb 06, 2026
NISA INVESTMENT ADVISORS, LLC History No change 87 2 0.0% 0.0% 119 0 0.0% Q4 2025 Jan 15, 2026
QUADRANT CAPITAL GROUP LLC History Added to 47 1 0.0% 123 +21 80.77% Q4 2025 Feb 13, 2026
Global Retirement Partners, LLC History Added to 41 1 0.0% 124 +14 51.85% Q4 2025 Feb 06, 2026
SIGNATUREFD, LLC History Reduced 30 1 0.0% 0.0% 122 -13 -30.23% Q4 2025 Jan 20, 2026
Acuitas Investments, LLC History Closed out 0 0 3.89% -216,700 -100.0% Q3 2025 Nov 18, 2025
Inspire Investing, LLC History Closed out 0 0 0.11% -39,094 -100.0% Q3 2025 Oct 15, 2025
Inspire Advisors, LLC History Closed out 0 0 0.03% -11,539 -100.0% Q3 2025 Oct 29, 2025
MACQUARIE GROUP LTD History Closed out 0 0 0.0% -650 -100.0% Q3 2025 Nov 13, 2025
Arax Advisory Partners History Closed out 0 0 -31 -100.0% Q3 2025 Nov 14, 2025
Allworth Financial LP History New 12 0 +12 New Q4 2025 Feb 05, 2026
EverSource Wealth Advisors, LLC History Added to 23 0 +11 91.67% Q4 2025 Feb 06, 2026
US BANCORP \DE\ History Added to 17 0 +4 30.77% Q4 2025 Jan 30, 2026
ROTHSCHILD INVESTMENT LLC History Added to 12 0 +2 20.0% Q4 2025 Feb 10, 2026
True Wealth Design, LLC History Closed out 0 0 -1 -100.0% Q3 2025 Oct 21, 2025
COMERICA BANK History No change 5 0 0 0.0% Q4 2025 Jan 29, 2026
Parkside Financial Bank & Trust History No change 20 0 0 0.0% Q4 2025 Feb 13, 2026
Parallel Advisors, LLC History No change 15 0 0 0.0% Q4 2025 Feb 11, 2026
Archer Investment Corp History No change 10 0 0 0.0% Q4 2025 Jan 30, 2026
SOA Wealth Advisors, LLC. History No change 26 0 0 0.0% Q4 2025 Jan 20, 2026
SBI Securities Co., Ltd. History No change 2 0 0 0.0% Q4 2025 Feb 03, 2026