2 institutions reported holding $54.3M of ISHARES CORE S&P 500 (CSTNL) in SEC 13F filings for 2026-03-31. Largest institutional holders: Sierra Capital LLC ($54.3M), INNEALTA CAPITAL, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Sierra Capital LLC | $54.3M | 2.2M | Added |
| 2 | INNEALTA CAPITAL, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31