ISHARES NATIONAL MUNI BOND ETF (MUB): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in MUB. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
11
13F filers
Aggregate Value
$1.6B
Across holders
Last Price
$105.41
2026-08-24
Sector
—
GICS
Quarterly fund activity6 increased4 reduced1 exited
Full exits: TUDOR INVESTMENT CORP ET AL
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Fisher Asset Management, LLC CIK 0000850529 | Institutional Manager | 12.65M | $1.4B | 84.5% | 0.4% | Added | +$113.3M | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 1.00M | $108.1M | 6.7% | 0.1% | Added | +$97.9M | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 695K | $74.7M | 4.6% | 0.1% | Reduced | $-147.5M | Q2 2026 |
| SOROS FUND MANAGEMENT LLC CIK 0001029160 | Family Office | 241K | $26.0M | 1.6% | 0.3% | Unchanged | +$0 | Q2 2026 |
| CAPSTONE INVESTMENT ADVISORS, LLC CIK 0001426196 | Hedge Fund | 187K | $20.1M | 1.2% | 0.0% | Added | — | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 97K | $10.5M | 0.6% | 0.0% | Reduced | $-23.7M | Q2 2026 |
| MARINER INVESTMENT GROUP LLC CIK 0001096978 | Hedge Fund | 45K | $4.9M | 0.3% | 1.1% | Added | — | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 24K | $2.6M | 0.2% | 0.0% | Added | +$2.0M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 22K | $2.4M | 0.1% | 0.0% | Added | — | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 2K | $262K | 0.0% | 0.0% | Reduced | $-149K | Q2 2026 |
Added
Institutional Manager
$1.4B· 84.5% of total· 0.4% port· 12.65M sh· +$113.3M QoQ· Q2 2026
Added
Hedge Fund
$108.1M· 6.7% of total· 0.1% port· 1.00M sh· +$97.9M QoQ· Q2 2026
Reduced
Hedge Fund
$74.7M· 4.6% of total· 0.1% port· 695K sh· $-147.5M QoQ· Q2 2026
Unchanged
Family Office
$26.0M· 1.6% of total· 0.3% port· 241K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$20.1M· 1.2% of total· 0.0% port· 187K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$10.5M· 0.6% of total· 0.0% port· 97K sh· $-23.7M QoQ· Q2 2026
Added
Hedge Fund
$4.9M· 0.3% of total· 1.1% port· 45K sh· — QoQ· Q2 2026
Added
Hedge Fund
$2.6M· 0.2% of total· 0.0% port· 24K sh· +$2.0M QoQ· Q2 2026
Added
Hedge Fund
$2.4M· 0.1% of total· 0.0% port· 22K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$262K· 0.0% of total· 0.0% port· 2K sh· $-149K QoQ· Q2 2026
Reduced
Hedge Fund
$100K· 0.0% of total· 0.0% port· 933 sh· $-43K QoQ· Q2 2026
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