5 institutions reported holding $33.5M of NEXTDECADE CORP (NEXTW) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($14.9M), IMC-Chicago, LLC ($9.9M), SIMPLEX TRADING, LLC ($8.0M), CenterStar Asset Management, LLC ($766,000), Aristides Capital LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $14.9M | 1.9M | Added |
| 2 | IMC-Chicago, LLC | $9.9M | 1.3M | Added |
| 3 | SIMPLEX TRADING, LLC | $8.0M | 1.0M | Trimmed |
| 4 | CenterStar Asset Management, LLC | $766,000 | 100,000 | New |
| 5 | Aristides Capital LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31