3 institutions reported holding $39.1M of HUBBELL INC (HUB.A) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($33.5M), SIMPLEX TRADING, LLC ($5.4M), GROUP ONE TRADING LLC ($156,960). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $33.5M | 64,000 | Added |
| 2 | SIMPLEX TRADING, LLC | $5.4M | 10,400 | Added |
| 3 | GROUP ONE TRADING LLC | $156,960 | 300 | Added |
Source: SEC Form 13F filings · as of 2026-06-30