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MUB · iShares National Muni Bond ETF ETF

Alerts for MUB
$104.03 +0.03 (+0.03%) At close · Sep 4

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 11
Total Value: $106,973,521
Total Shares: 993,993

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 11 13F filers · Δ vs Mar 31, 2026
Top Holder
42.5%
Sep 2023 → Jun 2026 · range 8.3% – 100.0%
+3.4 pts
Top 5
96.3%
Sep 2023 → Jun 2026 · range 29.5% – 100.0%
−3.7 pts
Top 10
99.8%
Sep 2023 → Jun 2026 · range 46.0% – 100.0%
−0.2 pts
HHI
3,384
Sep 2023 → Jun 2026 · range 293 – 10,000
Highly concentrated+126

Quarterly Activity

vs Mar 31, 2026
New
8
Increased
0
Decreased
3
Sold Out
2
Unchanged
0
Holder count: +6
Institutional value: +48.0%
Shares held: +46.0%

Top Buyers

vs Mar 31, 2026
No qualifying movers this quarter.

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 13 of 13
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Holder Value (USD) % of 13F Shares Open