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IYM · iShares U.S. Basic Materials ETF ETF

Alerts for IYM
$191.10 -1.26 (-0.66%) 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: 3
Total Value: $8,245,811
Total Shares: 45,930

Institutional Ownership Trend

17 quarters

Holder Concentration

Across 3 13F filers · Δ vs Mar 31, 2026
Top Holder
81.1%
Jun 2021 → Jun 2026 · range 10.9% – 100.0%
−18.9 pts
Top 5
100.0%
Jun 2021 → Jun 2026 · range 41.6% – 100.0%
0.0 pts
Top 10
100.0%
Jun 2021 → Jun 2026 · range 58.4% – 100.0%
0.0 pts
HHI
6,904
Jun 2021 → Jun 2026 · range 480 – 10,000
Highly concentrated−3,096

Quarterly Activity

vs Mar 31, 2026
New
3
Increased
0
Decreased
0
Sold Out
1
Unchanged
0
Holder count: +2
Institutional value: +1239.2%
Shares held: +1212.3%

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 5 of 5
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Holder Value (USD) % of 13F Shares Open