3 institutions reported holding $4.2M of ISHARES TR (HACV) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($2.3M), SIMPLEX TRADING, LLC ($1.3M), GROUP ONE TRADING LLC ($630,785). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $2.3M | 66,000 | Added |
| 2 | SIMPLEX TRADING, LLC | $1.3M | 37,700 | Added |
| 3 | GROUP ONE TRADING LLC | $630,785 | 18,100 | Added |
Source: SEC Form 13F filings · as of 2026-03-31