3 institutions reported holding $7.3M of NABORS INDUSTRIES LTD (NBR-PA) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($3.6M), GROUP ONE TRADING LLC ($2.5M), SIMPLEX TRADING, LLC ($1.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $3.6M | 43,400 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $2.5M | 29,800 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $1.1M | 13,200 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30