Who owns NATURAL GAS SERVICES GROUP INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of NGS from SEC Form 13F filings across 161 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 161 institutions disclosed 11.0M shares of NATURAL GAS SERVICES GROUP INC worth $475.2M — about 86.8% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
161
13F holders
$475.2M
value, 2026 filers
86.8%
of shares outstanding (11.0M sh)
26
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of NGS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 961,577 | $41.5M | 0.0% | 7.6% | +21.8% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 850,080 | $36.7M | 0.0% | 6.7% | +0.7% |
| 3 | AEGIS FINANCIAL CORP | 584,872 | $25.2M | 4.0% | 4.6% | -0.4% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 513,031 | $22.1M | 0.0% | 4.1% | +0.4% |
| 5 | WEBER CAPITAL MANAGEMENT LLC /ADV | 479,712 | $20.7M | 17.6% | 3.8% | -0.4% |
| 6 | TWO SIGMA INVESTMENTS, LP | 410,330 | $17.7M | 0.0% | 3.2% | +12.4% |
| 7 | AMERICAN CENTURY COMPANIES INC | 408,165 | $17.6M | 0.0% | 3.2% | +20.4% |
| 8 | AMERIPRISE FINANCIAL INC | 380,171 | $16.4M | 0.0% | 3% | +12.6% |
| 9 | ROYCE & ASSOCIATES LP | 363,319 | $15.7M | 0.1% | 2.9% | +2.8% |
| 10 | First Eagle Investment Management, LLC | 347,685 | $15.0M | 0.0% | 2.7% | +21.1% |
| 11 | MORGAN STANLEY | 322,382 | $13.9M | 0.0% | 2.5% | +22.5% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 320,351 | $13.8M | 0.0% | 2.5% | +12.1% |
| 13 | STATE STREET CORP | 303,156 | $13.1M | 0.0% | 2.4% | +52.3% |
| 14 | Pacific Ridge Capital Partners, LLC | 303,023 | $13.1M | 2.4% | 2.4% | -0.8% |
| 15 | RENAISSANCE TECHNOLOGIES LLC | 214,142 | $9.2M | 0.0% | 1.7% | -10.0% |
| 16 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 199,064 | $8.6M | 0.2% | 1.6% | -6.8% |
| 17 | AWM Investment Company, Inc. | 189,732 | $8.2M | 0.7% | 1.5% | -11.7% |
| 18 | CITADEL ADVISORS LLC | 184,747 | $8.0M | 0.0% | 1.5% | -3.8% |
| 19 | MILLENNIUM MANAGEMENT LLC | 178,871 | $7.7M | 0.0% | 1.4% | -15.8% |
| 20 | Phocas Financial Corp. | 154,426 | $6.7M | 0.9% | 1.2% | -4.9% |
| 21 | Russell Investments Group, Ltd. | 147,583 | $6.4M | 0.0% | 1.2% | -17.8% |
| 22 | RBF Capital, LLC | 140,000 | $6.0M | 0.3% | 1.1% | 0.0% |
| 23 | CANNELL CAPITAL LLC | 122,387 | $5.3M | 3.5% | 1% | -36.2% |
| 24 | Qube Research & Technologies Ltd | 122,284 | $5.3M | 0.0% | 1% | -33.0% |
| 25 | VANGUARD PORTFOLIO MANAGEMENT LLC | 116,937 | $5.0M | 0.0% | 0.9% | +48.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.