NATURAL GAS SERVICES GROUP (NGS) Institutional Shareholders
NATURAL GAS SERVICES GROUP (NGS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $474.01M in NGS holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of NGS tracked by InsiderSet, reporting ownership valued at approximately $41.48M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $34.01M, representing an estimated loss of -18.01% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 48% of the total disclosed NGS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, Aegis Financial Corp, and several other long-term asset managers with concentrated positions in NATURAL GAS SERVICES GROUP (NGS).
This page ranks the largest institutional NGS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
158
Total Reported Value
$474.01M
Largest Holder
Blackrock, Inc.
Largest Position
$41.48M
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
100
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 961,577 | $41,482,438 | $34,010,978 | -$7,471,460 | -18.01% | |
| Dimensional Fund Advisors Lp | 0.01% | 850,080 | $36,672,121 | $30,067,330 | -$6,604,791 | -18.01% | |
| Aegis Financial Corp | 3.98% | 584,872 | $25,231,378 | $20,686,923 | -$4,544,455 | -18.01% | |
| Vanguard Capital Management Llc | 0.00% | 513,031 | $22,132,157 | $18,145,906 | -$3,986,251 | -18.01% | |
| Weber Capital Management Llc | 17.61% | 479,712 | $20,694,776 | $16,967,413 | -$3,727,363 | -18.01% | |
| Two Sigma Investments, Lp | 0.01% | 410,330 | $17,701,636 | $14,513,372 | -$3,188,264 | -18.01% | |
| American Century Companies Inc | 0.01% | 408,165 | $17,608,238 | $14,436,796 | -$3,171,442 | -18.01% | |
| Ameriprise Financial Inc | 0.00% | 380,171 | $16,400,577 | $13,446,648 | -$2,953,929 | -18.01% | |
| Royce & Associates Lp | 0.13% | 363,319 | $15,673,582 | $12,850,593 | -$2,822,989 | -18.01% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.02% | 347,685 | $14,999,131 | $12,297,618 | -$2,701,513 | -18.01% |
| Morgan Stanley | 0.00% | 322,382 | $13,907,586 | $11,402,651 | -$2,504,935 | -18.01% | |
| Geode Capital Management, Llc | 0.00% | 320,351 | $13,822,197 | $11,330,815 | -$2,491,382 | -18.02% | |
| State Street Corp | 0.00% | 303,156 | $13,078,150 | $10,722,628 | -$2,355,522 | -18.01% | |
| Pacific Ridge Capital Partners, Llc | 2.37% | 303,023 | $13,072,412 | $10,717,924 | -$2,354,488 | -18.01% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 214,142 | $9,238,086 | $7,574,203 | -$1,663,883 | -18.01% |
| Bridgeway Capital Management, Llc | 0.15% | 199,064 | $8,587,621 | $7,040,894 | -$1,546,727 | -18.01% | |
| Awm Investment Company, Inc. | 0.71% | 189,732 | $8,185,038 | $6,710,821 | -$1,474,217 | -18.01% | |
| Citadel Advisors Llc | 0.00% | 184,747 | $7,969,986 | $6,534,501 | -$1,435,485 | -18.01% | |
| Millennium Management Llc | 0.01% | 178,871 | $7,716,495 | $6,326,667 | -$1,389,828 | -18.01% | |
| Phocas Financial Corp. | 0.92% | 154,426 | $6,661,938 | $5,462,048 | -$1,199,890 | -18.01% | |
| Russell Investments Group, Ltd. | 0.01% | 147,583 | $6,365,848 | $5,220,011 | -$1,145,837 | -18.00% | |
| Rbf Capital, Llc | 0.25% | 140,000 | $6,039,600 | $4,951,800 | -$1,087,800 | -18.01% | |
| Cannell Capital Llc | 3.69% | 122,387 | $5,279,775 | $4,328,828 | -$950,947 | -18.01% | |
| Qube Research & Technologies Ltd | 0.01% | 122,284 | $5,275,332 | $4,325,185 | -$950,147 | -18.01% | |
| Vanguard Portfolio Management Llc | 0.00% | 116,937 | $5,044,662 | $4,136,062 | -$908,600 | -18.01% | |
| Northern Trust Corp | 0.00% | 115,575 | $4,985,905 | $4,087,888 | -$898,017 | -18.01% | |
| Bnp Paribas Financial Markets | 0.00% | 106,639 | $4,600,406 | $3,771,821 | -$828,585 | -18.01% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 100,072 | $4,317,106 | $3,539,547 | -$777,559 | -18.01% | |
| Bank Of New York Mellon Corp | 0.00% | 97,801 | $4,219,146 | $3,459,221 | -$759,925 | -18.01% | |
| Empowered Funds, Llc | 0.02% | 89,710 | $3,870,089 | $3,173,043 | -$697,046 | -18.01% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 80,456 | $3,470,871 | $2,845,729 | -$625,142 | -18.01% | |
| Crown Advisors Management, Inc. | 1.90% | 80,000 | $3,451,200 | $2,829,600 | -$621,600 | -18.01% | |
| Prudential Financial Inc | 0.00% | 79,890 | $3,446,455 | $2,825,709 | -$620,746 | -18.01% | |
| Vanguard Fiduciary Trust Co | 0.00% | 79,132 | $3,413,754 | $2,798,899 | -$614,855 | -18.01% | |
| Uniplan Investment Counsel, Inc. | 0.31% | 77,249 | $3,332,524 | $2,732,297 | -$600,227 | -18.01% | |
| Raymond James Financial Inc | 0.00% | 75,487 | $3,256,506 | $2,669,975 | -$586,531 | -18.01% | |
| Marshall Wace, Llp | 0.00% | 69,089 | $2,980,500 | $2,443,678 | -$536,822 | -18.01% | |
| Norges Bank | 0.00% | 61,000 | $2,631,540 | $2,157,570 | -$473,970 | -18.01% | |
| Trexquant Investment Lp | 0.02% | 56,780 | $2,449,489 | $2,008,309 | -$441,180 | -18.01% | |
| Invesco Ltd. | 0.00% | 55,943 | $2,413,381 | $1,978,704 | -$434,677 | -18.01% | |
| Goldman Sachs Group Inc | 0.00% | 52,547 | $2,266,878 | $1,858,587 | -$408,291 | -18.01% | |
| Bank Of America Corp | 0.00% | 46,336 | $1,998,935 | $1,638,904 | -$360,031 | -18.01% | |
| White Pine Capital Llc | 0.53% | 51,430 | $1,940,968 | $1,819,079 | -$121,889 | -6.28% | |
| Steward Partners Investment Advisory, Llc | 0.01% | 44,841 | $1,934,442 | $1,586,026 | -$348,416 | -18.01% | |
| Acadian Asset Management Llc | 0.00% | 44,344 | $1,905,000 | $1,568,447 | -$336,553 | -17.67% | |
| Rice Hall James & Associates, Llc | 0.09% | 43,343 | $1,869,817 | $1,533,042 | -$336,775 | -18.01% | |
| Jpmorgan Chase & Co | 0.00% | 42,744 | $1,828,160 | $1,511,855 | -$316,305 | -17.30% | |
| D. E. Shaw & Co., Inc. | 0.00% | 40,422 | $1,743,805 | $1,429,726 | -$314,079 | -18.01% | |
| Numerai Gp Llc | 0.14% | 40,236 | $1,735,781 | $1,423,147 | -$312,634 | -18.01% | |
| Xtx Topco Ltd | 0.02% | 39,550 | $1,706,187 | $1,398,884 | -$307,304 | -18.01% |
Frequently asked questions about NGS
Who owns the most NGS stock?
The largest holders of NGS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NATURAL GAS SERVICES GROUP (NGS).
Is NGS widely held by superinvestors?
Many widely followed stocks like NGS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NGS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.