3 institutions reported holding $66.2M of ISHARES CORE S&P 500 (CSTNL) in SEC 13F filings for 2026-06-30. Largest institutional holders: Sierra Capital LLC ($64.6M), INNEALTA CAPITAL, LLC ($1.2M), SSA SWISS ADVISORS AG ($383,437). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Sierra Capital LLC | $64.6M | 2.5M | Added |
| 2 | INNEALTA CAPITAL, LLC | $1.2M | 1,444 | New |
| 3 | SSA SWISS ADVISORS AG | $383,437 | 476 | New |
Source: SEC Form 13F filings · as of 2026-06-30