3 institutions reported holding $1.2M of NATURAL GAS SVCS GROUP INC COM (NGS) in SEC 13F filings for 2026-06-30. Largest institutional holders: TrueWealth Advisors, LLC ($1.2M), GAMMA Investing LLC ($22,864), Assenagon Asset Management S.A. ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | TrueWealth Advisors, LLC | $1.2M | 27,120 | Trimmed |
| 2 | GAMMA Investing LLC | $22,864 | 530 | Trimmed |
| 3 | Assenagon Asset Management S.A. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30