iShares Core S&P 500CSTNLETF
13F holders, Q1 2026 (March 31)1holders −2
0new positions
2sold out
$691.16avg. 13F price*
At the end of Q1 2026, 1 institutions reported holding iShares Core S&P 500 (CSTNL) in their 13F filings, down 2 from Q4 2025. 0 opened new positions and 2 sold out. The largest holder was Sierra Capital LLC ($22.1M).
- Company
- iShares Core S&P 500
- CUSIP
- G4955H110
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 2 | $1.1M |
All 13F filers, Q4 2025 → Q1 2026: 13,374 shares sold, net −13,374 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1 holders
| Sierra Capital LLC | 2.41% | Reduce -27.1% | 31,968 | $22.1M |
"% of holder's portfolio" is CSTNL's weight in each manager's 13F, not the share of iShares Core S&P 500 the manager owns.