Latest Period
Q1 2026
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 Q2 2026
Institutions Reporting
148
Shares (Excl. Options)
10,551,798
Price
$37.74
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- Security type / class
- Equity / Common Stock, Par Value $0.01
- Symbol
- NGS on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 10,551,798
- Total 13F value
- $398,252,241
- Portfolio coverage rank
- 0%
- Share change
- +670,488
- Value change
- +$26,159,629
- Number of holders
- 148
- Shares outstanding
- 12,633,882
- SEC-reported price per share
- $43.14
- Insider filing price
- $43.14
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- NGS - NATURAL GAS SERVICES GROUP INC - Common Stock, Par Value $0.01 is tracked under CUSIP 63886Q109.
- 148 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 148 to 22 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $398,252,241 to $13,530,573.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 148 institutions filings for Q1 2026.
Security key
63886Q109
Latest holder period
Q1 2026
13F holders
148
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
NGS full holder history
NATURAL GAS SERVICES GROUP INC SEC filings
NATURAL GAS SERVICES GROUP INC company facts
NATURAL GAS SERVICES GROUP INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 63886Q109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
NGS
| 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 Mar 2026, 148 institutional investors reported holding 10,551,798 shares of NATURAL GAS SERVICES GROUP INC - Common Stock, Par Value $0.01 (NGS). This represents 84% of the company’s total 12,633,882 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
63%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 6.7% | 843,797 | -1.4% | 0.01% | $31,845,650 |
| BlackRock, Inc. | 6.3% | 789,780 | -0.19% | 0% | $29,806,301 |
| AEGIS FINANCIAL CORP | 4.6% | 587,012 | -13% | 3.8% | $22,153,833 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4% | 510,995 | 0% | 0% | $19,284,951 |
| WEBER CAPITAL MANAGEMENT LLC /ADV | 3.8% | 481,764 | -3.4% | 18% | $18,181,773 |
| TWO SIGMA INVESTMENTS, LP | 2.9% | 365,209 | +501% | 0.01% | $13,782,988 |
| ROYCE & ASSOCIATES LP | 2.8% | 353,316 | -0.42% | 0.13% | $13,334,146 |
| AMERICAN CENTURY COMPANIES INC | 2.7% | 339,022 | +22% | 0.01% | $12,794,690 |
| AMERIPRISE FINANCIAL INC | 2.7% | 337,571 | -34% | 0% | $12,739,929 |
| Pacific Ridge Capital Partners, LLC | 2.4% | 305,374 | -12% | 2.5% | $11,524,815 |
| First Eagle Investment Management, LLC | 2.3% | 287,188 | -2.7% | 0.02% | $10,838,475 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 285,813 | +16% | 0% | $10,789,696 |
| MORGAN STANLEY | 2.1% | 263,205 | +51% | 0% | $9,933,356 |
| RENAISSANCE TECHNOLOGIES LLC | 1.9% | 238,042 | -7.2% | 0.01% | $8,983,705 |
| AWM Investment Company, Inc. | 1.7% | 214,776 | -68% | 0.9% | $8,105,646 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1.7% | 213,503 | 0% | 0.16% | $8,057,603 |
| MILLENNIUM MANAGEMENT LLC | 1.7% | 212,542 | +114% | 0.01% | $8,021,335 |
| STATE STREET CORP | 1.6% | 198,987 | +0.06% | 0% | $7,509,769 |
| CITADEL ADVISORS LLC | 1.5% | 192,039 | +127% | 0.01% | $7,247,552 |
| CANNELL CAPITAL LLC | 1.5% | 191,681 | -41% | 4.7% | $7,234,041 |
| Qube Research & Technologies Ltd | 1.4% | 182,644 | +74% | 0.01% | $6,892,985 |
| Russell Investments Group, Ltd. | 1.4% | 179,521 | +8% | 0.01% | $6,775,128 |
| Phocas Financial Corp. | 1.3% | 162,465 | +272% | 0.96% | $6,131,429 |
| RBF Capital, LLC | 1.1% | 140,000 | 0% | 0.26% | $5,283,600 |
| MARSHALL WACE, LLP | 0.9% | 114,282 | 0% | $4,313,003 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q1 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 313,652 | $13,530,573 | -$1,698,548 | $43.14 | 22 |
| 2026 Q1 | 10,551,798 | $398,252,241 | +$26,159,629 | $37.74 | 148 |
| 2025 Q4 | 9,822,484 | $330,545,646 | +$1,722,721 | $33.65 | 132 |
| 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 |