Security key
09254J102
BLACKROCK MUNIASSETS FUND, INC. - Common Stock (MUA)
CUSIP: 09254J102
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 1,524,296
- Total 13F value
- $14,548,312
- Share change
- +107,664
- SEC-reported price per share
- $9.55
- Number of holders
- 11
- Value change
- +$1,019,401
- Number of buys
- 5
- Number of sells
- 2
- Shares outstanding
- 67,314,057
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
11
Top holders
10
MUA full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q2 2026
BLACKROCK MUNIASSETS FUND, INC. SEC filings
Broader feeds
Reporting periods
Holder history for CUSIP 09254J102
Recent filing periods:
Ownership snapshot
Top reported holders of MUA - BLACKROCK MUNIASSETS FUND, INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
SIT INVESTMENT ASSOCIATES...
Disclosed value leader
SIT INVESTMENT ASSOCIATES...
Comparable rows
15/15
Latest evidence
30 Sep 2026
13D/G
13F
3/4/5
Lead comparable stake: 11%
13D/G row: SIT INVESTMENT ASSOCIATES INC
Showing 1-6 of 15 holder rows.
Quick read
SIT INVESTMENT ASSOCIATES INC leads the comparable SEC ownership view at 11%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens SIT INVESTMENT ASSOCIATES INC's linked filing trail.
Comparable ownership
Top 5
SIT INVESTMENT ASSOCIATES INC
11%
Christian Romaglino
0%
Robert Glenn Hubbard
0%
W. Carl Kester
0%
Stayce D. Harris
0%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SIT INVESTMENT ASSOCIATES INC |
13D/G
13F
Company
|
11%
|
$69,711,783
7,135,290 shares
|
$0 | 30 Sep 2026 |
| Christian Romaglino |
3/4/5
Director
|
0%
|
$12,134
1,068 shares
|
— | 23 Feb 2026 |
| Robert Glenn Hubbard |
3/4/5
Director
|
0%
|
$2,961
261 shares
|
— | 23 Feb 2026 |
| W. Carl Kester |
3/4/5
Director
|
0%
|
$2,135
188 shares
|
— | 07 Aug 2026 |
| Stayce D. Harris |
3/4/5
Director
|
0%
|
$224
19.8 shares
|
— | 23 Feb 2026 |
| BANK OF AMERICA CORP /DE/ |
13F
3/4/5
Company · 10%+ Owner
|
2%
|
$15,179,208
1,378,675 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
11
Shares
1,524,296
Rows available
11
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
95
Q3 2026 holders
11
Holder diff
-84
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend