ISHARES TR (IOO): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in IOO. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
7
13F filers
Aggregate Value
$20.9M
Across holders
Last Price
$143.15
2026-08-24
Sector
—
GICS
Quarterly fund activity5 increased1 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 73K | $9.9M | 47.5% | 0.0% | Added | +$3.2M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 26K | $3.5M | 16.9% | 0.0% | Added | +$872K | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 25K | $3.4M | 16.3% | 0.0% | Added | +$1.1M | Q2 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 17K | $2.3M | 11.0% | 0.0% | Unchanged | +$0 | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 8K | $1.1M | 5.2% | 0.0% | Added | +$273K | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 3K | $381K | 1.8% | 0.0% | Added | — | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 2K | $292K | 1.4% | 0.0% | Reduced | $-3.7M | Q2 2026 |
Added
Hedge Fund
$9.9M· 47.5% of total· 0.0% port· 73K sh· +$3.2M QoQ· Q2 2026
Added
Hedge Fund
$3.5M· 16.9% of total· 0.0% port· 26K sh· +$872K QoQ· Q2 2026
Added
Hedge Fund
$3.4M· 16.3% of total· 0.0% port· 25K sh· +$1.1M QoQ· Q2 2026
Unchanged
Institutional Manager
$2.3M· 11.0% of total· 0.0% port· 17K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$1.1M· 5.2% of total· 0.0% port· 8K sh· +$273K QoQ· Q2 2026
Added
Hedge Fund
$381K· 1.8% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$292K· 1.4% of total· 0.0% port· 2K sh· $-3.7M QoQ· Q2 2026
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