iShares Core S&P 500CSTNLETF
13F holders, Q4 2025 (December 31)3holders +1
1new positions
0sold out
$738.48avg. 13F price*
At the end of Q4 2025, 3 institutions reported holding iShares Core S&P 500 (CSTNL) in their 13F filings, up 1 from Q3 2025. 1 opened new positions and 0 sold out. The largest holders were Sierra Capital LLC ($32.4M), Innealta Capital, LLC ($1.1M) and Ssa Swiss Advisors AG ($48K).
- Company
- iShares Core S&P 500
- Filed as
- BLACKROCK, INC. (Q4 2025)
- CUSIP
- G4955H110
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $48K |
| Exits | 0 | $0 |
All 13F filers, Q3 2025 → Q4 2025: 9,985 shares bought, net +9,985 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 3 holders
| Sierra Capital LLC | 3.43% | Add +29.3% | 43,833 | $32.4M |
| Innealta Capital, LLC | 0.58% | No change | 1,444 | $1.1M |
| Ssa Swiss Advisors AG | 0.02% | New | 65 | $48K |
"% 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.