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Disclosery

NGS NATURAL GAS SVCS GROUP INC

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COMMON STOCK (common), issuer CIK 1084991

130 managers (132 13F filers) reported a position in NGS shares at 2025-12-31, 9,822,484 shares in all. 28 filers opened a position and 9 filers sold out during the quarter.

Managers
130
13F filers
132
New
28
Added
49
Reduced
33
Sold out
9
Shares held by filers
9,822,484

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP855,645$28.8M0.01%-1,75213F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.791,307$26.6M<0.01%+29,67913F-HRTimelineGroup
AWM Investment Company, Inc.676,652$22.8M2.2%013F-HRTimeline
AEGIS FINANCIAL CORP671,112$22.6M5.39%013F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC640,540$21.6M<0.01%+28,88713F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC513,625$17.3M<0.01%+4,28113F-HRTimelineGroup
WEBER CAPITAL MANAGEMENT LLC /ADV498,581$16.8M15.84%13F-HRTimeline
ROYCE & ASSOCIATES LP354,816$11.9M0.12%-6,75513F-HRTimeline
Pacific Ridge Capital Partners, LLC345,662$11.6M2.55%-45,62513F-HRTimeline
CANNELL CAPITAL LLC326,252$11M7.01%-32,76913F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…295,239$9.93M0.02%-4,50013F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC277,637$9.34M<0.01%+50,97913F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC256,442$8.63M0.01%-44,50013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC247,201$8.32M<0.01%+8,30413F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC213,503$7.18M0.15%-20,00013F-HRTimeline
STATE STREET CORPin group STATE STREET CORP198,877$6.69M<0.01%+2,73413F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY174,755$5.88M<0.01%+32,10713F-HR/ATimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…166,177$5.59M0.01%+28,94013F-HRTimelineGroup
RBF Capital, LLC140,000$4.71M0.22%013F-HR/ATimeline
Mill Road Capital Management LLCin group Mill Road Capital Management …109,000$3.67M2.18%-295,74513F-HRTimelineGroup
LPL Financial LLC106,720$3.59M<0.01%new13F-HRTimeline
Invesco Ltd.in group Invesco Ltd.105,842$3.56M<0.01%+85,68213F-HRTimelineGroup
Qube Research & Technologies Ltd104,901$3.53M0.01%+10,66213F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC99,106$3.33M<0.01%-69,91713F-HRTimelineGroup
Empowered Funds, LLC96,149$3.24M0.05%013F-HR/ATimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC93,312$3.14M<0.01%+91813F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding92,794$3.12M+21,225Timeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp92,233$3.1M<0.01%+60,73013F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC84,643$2.85M<0.01%+76,30913F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP80,238$2.7M<0.01%-8,08613F-HRTimelineGroup
CROWN ADVISORS MANAGEMENT, INC.80,000$2.69M1.77%+10,00013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
WHITE PINE CAPITAL LLC51,655$1.74M0.48%-1,04713F-HRTimeline
RICE HALL JAMES & ASSOCIATES, LLC44,203$1.49M0.08%-11613F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC43,722$1.47M<0.01%+2,03213F-HR/ATimelineGroup
Phocas Financial Corp.43,688$1.47M0.19%new13F-HR/ATimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/38,335$1.29M<0.01%+13,48813F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC35,736$1.2M<0.01%new13F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP34,828$1.17M<0.01%+1,10313F-HRTimelineGroup
Informed Momentum Co LLC34,637$1.17M0.13%new13F-HRTimeline
TrueWealth Advisors, LLC30,869$1.04M0.27%+22513F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co29,872$1.01M<0.01%-1313F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO28,635$964K<0.01%-2,56213F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS28,352$954K<0.01%+11,55213F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …27,633$930K<0.01%-3,48213F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO24,485$824K<0.01%new13F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC24,393$819K<0.01%+91713F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP23,096$777K<0.01%+8,92013F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding21,800$734K-51,503Timeline
BARCLAYS PLCin group BARCLAYS PLC21,384$720K<0.01%+6,64013F-HRTimelineGroup
Calamos Advisors LLCin group Calamos Advisors LLC20,754$698K<0.01%new13F-HRTimelineGroup
Trexquant Investment LP19,299$649K0.01%new13F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC17,919$603K<0.01%-12,78513F-HRTimelineGroup
Perritt Capital Management Inc17,000$572K0.96%+2,00013F-HRTimeline
Rothschild Wealth LLC17,000$572K0.05%new13F-HR/ATimeline
Creative Planningin group Creative Planning16,676$561K<0.01%+2,41413F-HRTimelineGroup
BRASADA CAPITAL MANAGEMENT, LP15,000$516K0.09%new13F-HRTimeline
Nuveen, LLCin group TIAA15,054$507K<0.01%013F-HRTimelineGroup
ARTHUR M. COHEN & ASSOCIATES, LLC14,390$484K0.08%+6,59013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.14,156$476K<0.01%new13F-HRTimelineGroup
PDT Partners, LLC13,994$471K0.03%-1,45813F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp12,735$429K<0.01%-3,37013F-HRTimelineGroup
RHUMBLINE ADVISERS12,641$425K<0.01%-2,51813F-HRTimeline
SIMPLEX TRADING, LLC12,432$418K0.01%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN11,320$381K<0.01%+3,93813F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD11,116$374K<0.01%new13F-HRTimeline
AlphaQuest LLC10,405$350K0.02%-4,48613F-HRTimeline
R Squared Ltd10,099$340K0.16%+1,40013F-HRTimeline
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC10,000$336K<0.01%013F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…9,659$325K<0.01%new13F-HRTimeline
Brandywine Global Investment Management…in group Franklin Resources9,385$316K<0.01%013F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …9,024$310K<0.01%+96713F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND9,078$305K<0.01%+5,97813F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\8,165$275K<0.01%+83613F-HRTimelineGroup
OCCUDO QUANTITATIVE STRATEGIES LP7,898$266K0.02%new13F-HRTimeline
STRS OHIO7,800$262K<0.01%-1,70013F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC7,240$244K<0.01%new13F-HR/ATimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC7,092$239K<0.01%new13F-HRTimelineGroup
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC7,091$239K<0.01%-4,03813F-HRTimelineGroup
FCA CORP /TX7,000$236K0.07%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.6,818$229K<0.01%+64213F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/6,472$218K<0.01%new13F-HRTimeline
State of Wyoming6,227$210K0.02%-3,08613F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC6,208$209K<0.01%new13F-HRTimeline
MANGROVE PARTNERS IM, LLC6,199$209K0.02%new13F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…6,124$206K<0.01%013F-HRTimelineGroup
FMR LLCin group FMR LLC5,845$197K<0.01%+12613F-HRTimelineGroup
Steward Partners Investment Advisory, L…4,965$167K<0.01%+4,04213F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…4,745$160K<0.01%-5913F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA4,602$154K<0.01%+77113F-HRTimelineGroup
Kemnay Advisory Services Inc.3,374$114K0.02%new13F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD3,300$111K<0.01%new13F-HRTimeline
SG Americas Securities, LLC3,152$106K<0.01%new13F-HRTimeline
Police & Firemen's Retirement System of…2,863$96.3K<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC2,612$87.9K<0.01%+1,43713F-HRTimelineGroup
LOM Asset Management Ltd1,537$51.7K0.01%013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,051$35.4K<0.01%013F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc976$32.8K<0.01%013F-HRTimelineGroup
State of Alaska, Department of Revenue909$30K<0.01%new13F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…790$26.6K<0.01%new13F-HRTimeline
Farther Finance Advisors, LLC711$23.9K<0.01%+1113F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…627$21.1K<0.01%-15113F-HRTimeline
Smartleaf Asset Management LLC529$18K<0.01%+32113F-HRTimeline
GAMMA Investing LLC517$17.4K<0.01%+3613F-HRTimeline
UMB Bank, n.a.500$16.8K<0.01%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
FINANCIAL CONSULATE, INC500$16.8K<0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…488$16.4K<0.01%-18213F-HRTimelineGroup
Sterling Capital Management LLC448$15.1K<0.01%-7413F-HRTimeline
AMALGAMATED BANK319$11K<0.01%-5213F-HRTimeline
CWM, LLCin group CWM, LLC260$9K<0.01%+4613F-HRTimelineGroup
Sound Income Strategies, LLC201$6.75K<0.01%+113F-HRTimeline
IFP Advisors, Inc196$6.59K<0.01%+11813F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP125$4.21K<0.01%013F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…91$3.06K<0.01%+8313F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC87$2.93K<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.86$2.89K<0.01%-8413F-HRTimelineGroup
Covestor Ltd48$2K<0.01%-2613F-HRTimeline
QUADRANT CAPITAL GROUP LLC47$1.58K<0.01%+2113F-HRTimeline
Global Retirement Partners, LLC41$1.38K<0.01%+1413F-HRTimeline
SIGNATUREFD, LLC30$1.01K<0.01%-1313F-HRTimeline
SOA Wealth Advisors, LLC.26$881<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…23$774<0.01%+1113F-HRTimelineGroup
Parkside Financial Bank & Trust20$673<0.01%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\17$572<0.01%+413F-HRTimelineGroup
Essential Partners LLC16$538<0.01%-2713F-HRTimeline
Parallel Advisors, LLC15$505<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC12$404<0.01%+213F-HRTimeline
Allworth Financial LP12$404<0.01%new13F-HRTimeline
Archer Investment Corp10$337<0.01%013F-HRTimeline
COMERICA BANK5$169<0.01%013F-HRTimeline
SBI Securities Co., Ltd.2$67<0.01%013F-HRTimeline