MUB icon

iShares National Muni Bond ETF

1,494 hedge funds and large institutions have $35.3B invested in iShares National Muni Bond ETF in 2025 Q1 according to their latest regulatory filings, with 120 funds opening new positions, 585 increasing their positions, 607 reducing their positions, and 113 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

less ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

3% less funds holding in top 10

Funds holding in top 10: 121117 (-4)

5% less capital invested

Capital invested by funds: $37.3B → $35.3B (-$1.91B)

79% less call options, than puts

Call options by funds: $99.1M | Put options by funds: $467M

Holders
1,494
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
117
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$99.1M
Puts
$467M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
601
$2.09M
602
$2.09M
603
$2.08M
604
$2.06M
605
$2.06M
606
$2.05M
607
$2.05M
608
$2.04M
609
$2.04M
610
$2.03M
611
$2.03M
612
$2.03M
613
$2.03M
614
$2.01M
615
$2.01M
616
$2M
617
$2M
618
$1.99M
619
$1.98M
620
$1.98M
621
$1.96M
622
$1.95M
623
$1.94M
624
$1.94M
625
$1.93M