Ishares U.s. Basic Materials
$189.34-1.4%
+$52.6M
Net Activity
-5.75% total shares
Institutions Holding
272
Popularity Rank
#2320
Avg Weight
0.17%
Total Value
$802.5M
272 institutions currently hold IYM, with 132 net buyers and 87 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
87
Net Buying Institutions
132
Top 5 by Value
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Across its top 20 institutional holders, IYM's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 6/100, avg. turnover score 28/100).
IYM ranks #2320 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
IYM is a disclosed holding of Two Sigma (Two Sigma Investments), one of the tracked superinvestors on AlphaSMO — it makes up 0.1% of that fund's own 13F portfolio.
IYM is a top-conviction position for USA Financial Formulas — at 11.7% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
The largest dollar stake in IYM belongs to Bank Of America CORP /de/, but the position matters far more to USA Financial Formulas, who has 11.7% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.
Bank Of America CORP /de/ has added to its IYM position for two straight quarters, increasing it by $58.1M to reach $79.0M today.
Citigroup Inc has trimmed its IYM position for two straight quarters, cutting it by $7.6M while still holding $658.7K.
IYM is down 1.4% today, but institutions show net buying of $52.6M this quarter — a divergence between today's price move and the underlying institutional flow.
+$334.0M
Total Buy Value
$433.0M
Total Sell Value
132
Net Buyers
87
Net Sellers
IYM
Q2 2026
Top 5 Institutional Movers
-$221.8M
+$63.6M
+$50.7M
+$27.4M
IYM does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
No Form 8-K filings for this ticker
464287838
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,239
Total reported value
$2.2T
3224 13F institutions increased their position this quarter
Institutions Holding
5,987
Total reported value
$3.6T
3028 13F institutions increased their position this quarter
Institutions Holding
6,149
Total reported value
$1.8T
2966 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,228
Total reported value
$346.3B
Held by 4228 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,123
Total reported value
$257.5B
Held by 4123 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,111
Total reported value
$649.1B
Held by 4111 institutions — one of the most-tracked stocks on AlphaSMO
Access IYM's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/IYMCLI
npx alphasmo stocks get IYM