MUB
ISHARES TR$103.43 +0.19 (+0.18%)
Oct 23 4:00 PM ET · prev $103.24
1 year
−3.9%
from $107.60 · Oct 24
30 days
+1.8%
from $101.59
52-week range
$100.28–108.92
−5% from high · low Sep 29
Avg volume 20D
19.10M
shares / day
Short interest
14.29M
+19.6%
Days to cover
1.0
at average volume
New fund stakes
2
Q2 2026 13F · 1 exit
Price
Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.
No data for this timeframe.
- X Jul 15 Short interest jumps 28.0% to 5.55M
- X Aug 31 Short interest jumps 43.4% to 8.07M
- X Sep 15 Short interest jumps 48.1% to 11.95M
Signal stack
Where each data set points today.
- InstitutionsBULLISH
Q2 2026: 26 added (2 new), 11 trimmed or exited. Largest new: Capstone Investment Advisors $20.1M, Nuveen $11.5M.
- Short sellersBUILDING
Short interest +19.6% to 14.29M shares. 1.0 days to cover.
- TrendRANGE
0% above its 50-day average.
Who's buying
13F· Q2 20262
new positions
1
exit
$31.6M
in new stakes
| Fund | Move | Value |
|---|---|---|
| BlackRock, Inc. | ADD | $120.0M |
| RENAISSANCE TECHNOLOGIES LLC | DOUBLED | $108.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | TRIM | $84.7M |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | ADD | $69.9M |
| Integrated Wealth Concepts LLC | ADD | $58.1M |
| JANE STREET GROUP, LLC | TRIM | $49.5M |
| COMMERCE BANK | ADD | $47.1M |
| Corient Private Wealth LP | TRIM | $45.5M |
Quarterly 13F filings are due 45 days after each quarter ends.
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Jun 30, 2026 Inst.
BlackRock, Inc. — ADD
1,115,072 shares ($120.0M)
Jun 30, 2026 Inst.
RENAISSANCE TECHNOLOGIES LLC — DOUBLED
1,004,526 shares ($108.1M)
May 14, 2026 Short interest
FTD: MUB — 47,296 shares ($5.0M) failed to deliver
Settlement: 20260514, Price: $106.64, FTD Value: $5,043,645.44, ISHARES NATIONAL MUNI BOND ETF
Short side
FINRA· Sep 30, 202614,291,040
shares short
+19.6%
vs prior settlement
1.0
days to cover
Catalysts
Scheduled dates and disclosed events: earnings, FDA and trial readouts, halts, press releases. Colored dot = impact.
Recent
May 14, 2026
Short interest
FTD: MUB — 47,296 shares ($5.0M) failed to deliver
Settlement: 20260514, Price: $106.64, FTD Value: $5,043,645.44, ISHARES NATIONAL MUNI BOND ETF
May 13, 2026
Short interest
FTD: MUB — 59,320 shares ($6.3M) failed to deliver
Settlement: 20260513, Price: $106.72, FTD Value: $6,330,630.4, ISHARES NATIONAL MUNI BOND ETF
May 12, 2026
Short interest
FTD: MUB — 8,711 shares ($0.9M) failed to deliver
Settlement: 20260512, Price: $106.94, FTD Value: $931,554.34, ISHARES NATIONAL MUNI BOND ETF
May 11, 2026
Short interest
FTD: MUB — 29,578 shares ($3.2M) failed to deliver
Settlement: 20260511, Price: $107.00, FTD Value: $3,164,846, ISHARES NATIONAL MUNI BOND ETF
May 8, 2026
Short interest
FTD: MUB — 285,997 shares ($30.6M) failed to deliver
Settlement: 20260508, Price: $106.99, FTD Value: $30,598,819.03, ISHARES NATIONAL MUNI BOND ETF