ISHARES TR (MBB): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in MBB. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
10
13F filers
Aggregate Value
$287.8M
Across holders
Last Price
$93.31
2026-08-24
Sector
—
GICS
Quarterly fund activity7 increased2 reduced2 exited
Full exits: CITADEL ADVISORS LLC, HARRIS ASSOCIATES L P
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 1.39M | $131.1M | 45.5% | 0.5% | Added | +$2.5M | Q2 2026 |
| Fisher Asset Management, LLC CIK 0000850529 | Institutional Manager | 832K | $78.6M | 27.3% | 0.0% | Reduced | $-4.8M | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 327K | $30.9M | 10.7% | 0.0% | Added | $-91.1M | Q2 2026 |
| TCW GROUP INC CIK 0000850401 | Hedge Fund | 201K | $19.0M | 6.6% | 0.1% | Reduced | $-472K | Q2 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 148K | $14.0M | 4.9% | 0.3% | Added | +$13.8M | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 94K | $8.9M | 3.1% | 0.0% | Added | +$6.2M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 26K | $2.4M | 0.8% | 0.0% | Added | — | Q2 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 14K | $1.3M | 0.5% | 0.0% | Unchanged | +$0 | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 14K | $1.3M | 0.5% | 0.0% | Added | +$208K | Q2 2026 |
| Squarepoint Ops LLC CIK 0001642575 | Hedge Fund | 3K | $269K | 0.1% | 0.0% | Added | +$13K | Q2 2026 |
Added
Hedge Fund
$131.1M· 45.5% of total· 0.5% port· 1.39M sh· +$2.5M QoQ· Q2 2026
Reduced
Institutional Manager
$78.6M· 27.3% of total· 0.0% port· 832K sh· $-4.8M QoQ· Q2 2026
Added
Hedge Fund
$30.9M· 10.7% of total· 0.0% port· 327K sh· $-91.1M QoQ· Q2 2026
Reduced
Hedge Fund
$19.0M· 6.6% of total· 0.1% port· 201K sh· $-472K QoQ· Q2 2026
Added
Hedge Fund
$14.0M· 4.9% of total· 0.3% port· 148K sh· +$13.8M QoQ· Q2 2026
Added
Hedge Fund
$8.9M· 3.1% of total· 0.0% port· 94K sh· +$6.2M QoQ· Q2 2026
Added
Hedge Fund
$2.4M· 0.8% of total· 0.0% port· 26K sh· — QoQ· Q2 2026
Unchanged
Hedge Fund
$1.3M· 0.5% of total· 0.0% port· 14K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$1.3M· 0.5% of total· 0.0% port· 14K sh· +$208K QoQ· Q2 2026
Added
Hedge Fund
$269K· 0.1% of total· 0.0% port· 3K sh· +$13K QoQ· Q2 2026
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