4 institutions reported holding $27.5M of CROWN CASTLE INC (CCI-PA) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($17.7M), GROUP ONE TRADING LLC ($4.3M), LANDMARK INVESTMENT PARTNERS, L.P. ($3.0M), SIMPLEX TRADING, LLC ($2.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $17.7M | 233,700 | Added |
| 2 | GROUP ONE TRADING LLC | $4.3M | 56,200 | Trimmed |
| 3 | LANDMARK INVESTMENT PARTNERS, L.P. | $3.0M | 41,000 | New |
| 4 | SIMPLEX TRADING, LLC | $2.5M | 33,600 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30