Skip to main content
OEF logo

OEF · iShares S&P 100 ETF ETF

Alerts for OEF
$382.19 -2.13 (-0.55%) At close · Sep 4

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 7
Total Value: $39,622,986
Total Shares: 108,298

Institutional Ownership Trend

24 quarters

Holder Concentration

Across 7 13F filers · Δ vs Mar 31, 2026
Top Holder
36.0%
Mar 2023 → Jun 2026 · range 24.3% – 100.0%
−18.6 pts
Top 5
99.3%
Mar 2023 → Jun 2026 · range 52.9% – 100.0%
−0.7 pts
Top 10
100.0%
Mar 2023 → Jun 2026 · range 67.5% – 100.0%
0.0 pts
HHI
2,447
Mar 2023 → Jun 2026 · range 892 – 10,000
Moderately concentrated−1,218

Quarterly Activity

vs Mar 31, 2026
New
4
Increased
0
Decreased
3
Sold Out
2
Unchanged
0
Holder count: +2
Institutional value: +57.2%
Shares held: +36.7%

Top Buyers

vs Mar 31, 2026
No qualifying movers this quarter.

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 9 of 9
Export CSV
Holder Value (USD) % of 13F Shares Open