Natural Gas Services Group, Inc. (NGS) ownership: Top institutional holder: DIMENSIONAL FUND ADVISORS LP ($31.85M). Insider activity: Net Seller (2 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 843797.00 | $31.85M | 2026-03-31 |
| BlackRock, Inc. | 789780.00 | $29.81M | 2026-03-31 |
| AEGIS FINANCIAL CORP | 587012.00 | $22.15M | 2026-03-31 |
| VANGUARD GROUP INC | 640540.00 | $21.55M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 510995.00 | $19.28M | 2026-03-31 |
| WEBER CAPITAL MANAGEMENT LLC /ADV | 481764.00 | $18.18M | 2026-03-31 |
| TWO SIGMA INVESTMENTS, LP | 365209.00 | $13.78M | 2026-03-31 |
| ROYCE & ASSOCIATES LP | 353316.00 | $13.33M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-03-13 | |
| Sell | null | 2026-03-13 | |
| Sell | null | 2026-03-13 | |
| Buy | null | 2026-03-13 | |
| Sell | null | 2026-03-12 | |
| Sell | null | 2026-03-12 | |
| Sell | null | 2026-03-06 | |
| Sell | null | 2026-03-05 |
Back to NGS overview · NGS earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.