5 institutions reported holding $16.2M of WEATHERFORD INTL PLC (WFTIQ) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($8.7M), IMC-Chicago, LLC ($4.9M), JPMORGAN CHASE & CO ($1.6M), GROUP ONE TRADING LLC ($1.0M), HUNTINGTON NATIONAL BANK ($22). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $8.7M | 91,900 | Added |
| 2 | IMC-Chicago, LLC | $4.9M | 52,000 | Added |
| 3 | JPMORGAN CHASE & CO | $1.6M | 17,000 | New |
| 4 | GROUP ONE TRADING LLC | $1.0M | 11,000 | Added |
| 5 | HUNTINGTON NATIONAL BANK | $22 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31