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, 584 increasing their positions, 608 reducing their positions, and 112 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: $37.2B → $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
501
$3.11M
502
$3.11M
503
$3.1M
504
$3.07M
505
$3.07M
506
$3.05M
507
$3.02M
508
$3.01M
509
$3.01M
510
$2.96M
511
$2.95M
512
$2.94M
513
$2.94M
514
$2.93M
515
$2.93M
516
$2.89M
517
$2.88M
518
$2.86M
519
$2.83M
520
$2.82M
521
$2.82M
522
$2.81M
523
$2.81M
524
$2.8M
525
$2.79M