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BlackRock Muniassets Fund, Inc.

MUA
Exchange
NYSE
SEC CIK
0000901243

No open-market purchases or sales by BlackRock Muniassets Fund, Inc. insiders were filed in the last 90 days; 95 institutions reported holding it in 13F filings for Q2 2026, worth $129.7M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in BlackRock Muniassets Fund, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
81
+9 vs. Q3 2025
Shares held
8.68M
+398.5K (+4.8%) vs. Q3 2025
Total value
$93.0M
+$1.07M (+1.2%) vs. Q3 2025
New holders
17
28 more added
Sold out
8
14 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MUA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 81 institutions
Q1 2021: 66 institutionsQ2 2021: 67 institutionsQ3 2021: 66 institutionsQ4 2021: 75 institutionsQ1 2022: 71 institutionsQ2 2022: 70 institutionsQ3 2022: 67 institutionsQ4 2022: 71 institutionsQ1 2023: 69 institutionsQ2 2023: 67 institutionsQ3 2023: 69 institutionsQ4 2023: 70 institutionsQ1 2024: 66 institutionsQ2 2024: 63 institutionsQ3 2024: 62 institutionsQ4 2024: 64 institutionsQ1 2025: 70 institutionsQ2 2025: 78 institutionsQ3 2025: 72 institutionsQ4 2025: 81 institutionsQ1 2026: 100 institutionsQ2 2026: 95 institutions
Value heldQ4 2025: $93.0M
Q1 2021: $59.3MQ2 2021: $68.1MQ3 2021: $64.7MQ4 2021: $63.5MQ1 2022: $54.7MQ2 2022: $54.0MQ3 2022: $47.9MQ4 2022: $77.7MQ1 2023: $69.9MQ2 2023: $73.4MQ3 2023: $72.1MQ4 2023: $84.4MQ1 2024: $84.5MQ2 2024: $87.3MQ3 2024: $87.8MQ4 2024: $82.1MQ1 2025: $87.0MQ2 2025: $87.1MQ3 2025: $91.9MQ4 2025: $93.0MQ1 2026: $127.4MQ2 2026: $129.7M
Institutions holding MUA and their total value by quarter
QuarterHoldersValue
Q2 202695$129.7M
Q1 2026100$127.4M
Q4 202581$93.0M
Q3 202572$91.9M
Q2 202578$87.1M
Q1 202570$87.0M
Q4 202464$82.1M
Q3 202462$87.8M
Q2 202463$87.3M
Q1 202466$84.5M
Q4 202370$84.4M
Q3 202369$72.1M
Q2 202367$73.4M
Q1 202369$69.9M
Q4 202271$77.7M
Q3 202267$47.9M
Q2 202270$54.0M
Q1 202271$54.7M
Q4 202175$63.5M
Q3 202166$64.7M
Q2 202167$68.1M
Q1 202166$59.3M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding BlackRock Muniassets Fund, Inc.; share changes are against Q3 2025.

Institutions holding MUA in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of America Corp1,444,518$15.5M0.00%−45,525−3.1%Reduced
Keybank National Association1,050,678$11.3M0.04%+8,688+0.8%Added
Hennion & Walsh Asset Management, Inc.976,962$10.5M0.36%+224,943+29.9%Added
Guggenheim Capital LLC540,610$5.79M0.04%−177,385−24.7%Reduced
Commonwealth Equity Services, LLC504,492$5.40M0.01%+23,151+4.8%Added
LPL Financial LLC435,843$4.67M0.00%−4,931−1.1%Reduced
Advisors Asset Management, Inc.384,686$4.12M0.07%+168,356+77.8%Added
Morgan Stanley288,637$3.09M0.00%+20,003+7.4%Added
The PNC Financial Services Group, Inc.258,325$2.77M0.00%+27,482+11.9%Added
Van Eck Associates Corp228,140$2.44M0.00%+37,204+19.5%Added
Rivernorth Capital Management, LLC206,367$2.21M0.10%+206,367New
Raymond James Financial Inc175,786$1.88M0.00%−29,542−14.4%Reduced
Advisor Group Holdings, Inc.156,361$1.67M0.00%+4,614+3.0%Added
Mariner, LLC124,159$1.33M0.00%+29,276+30.9%Added
Wells Fargo & Company114,743$1.23M0.00%+3,653+3.3%Added
MPWM Advisory Solutions, LLC101,647$1.09M0.61%−1,029−1.0%Reduced
Oarsman Capital, Inc.100,886$1.08M0.14%+11,411+12.8%Added
Robinson Capital Management, LLC99,160$1.05M0.44%−83,474−45.7%Reduced
Royal Bank of Canada90,868$973.0K0.00%−3,996−4.2%Reduced
Cetera Investment Advisers86,067$921.8K0.00%+49,389+134.7%Added
Melfa Wealth Management, LLC85,051$910.9K0.52%−46−0.1%Reduced
Steward Partners Investment Advisory, LLC81,423$872.0K0.00%−2,034−2.4%Reduced
Estate Planners Group, LLC79,363$850.0K0.37%+79,363New
GWM Advisors LLC72,006$771.2K0.00%+15,269+26.9%Added
Rockefeller Capital Management L.P.70,234$752.2K0.00%+230.0%Added
Wealth Alliance63,607$681.2K0.07%+204+0.3%Added
Ameriprise Financial Inc51,480$595.7K0.00%+6,892+15.5%Added
Cohen & Steers, Inc.49,832$534.0K0.00%00.0%Unchanged
Invesco Ltd.43,137$462.0K0.00%−32,942−43.3%Reduced
Jane Street Group, LLC34,465$369.1K0.00%+21,234+160.5%Added
Keudell/Morrison Wealth Management34,441$368.9K0.08%+34,441New
COFG Advisors, LLC33,359$357.3K0.09%+33,359New
Envestnet Asset Management Inc31,789$340.5K0.00%−2,345−6.9%Reduced
Susquehanna International Group, LLP25,819$276.5K0.00%+25,819New
StoneX Group Inc.25,411$272.2K0.01%+25,411New
Ackerman Capital Advisors, LLC25,403$272.1K0.05%+25,403New
Gill Capital Partners, LLC25,215$270.0K0.08%−9,388−27.1%Reduced
Virtu Financial LLC25,143$269.0K0.01%−12,496−33.2%Reduced
Benjamin Edwards Inc24,196$259.1K0.00%+24,196New
Stratos Wealth Partners, LTD.23,988$256.9K0.00%+6,888+40.3%Added
Balyasny Asset Management LLC23,349$250.1K0.00%+23,349New
Wedbush Securities Inc23,308$250.0K0.01%00.0%Unchanged
Bank of New York Mellon Corp22,045$236.1K0.00%+7,101+47.5%Added
Fortitude Advisory Group L.L.C.18,189$194.8K0.08%00.0%Unchanged
Burford Brothers, Inc.17,500$187.4K0.08%00.0%Unchanged
Rothschild Investment LLC17,000$182.1K0.01%00.0%Unchanged
Tyche Wealth Partners LLC16,774$179.7K0.03%00.0%Unchanged
Walker Asset Management, LLC16,352$175.1K0.09%00.0%Unchanged
HighTower Advisors, LLC15,721$168.4K0.00%00.0%Unchanged
Indivisible Partners15,700$168.1K0.02%+15,700New
Ashton Thomas Private Wealth, LLC15,500$166.0K0.00%+2,000+14.8%Added
Regatta Capital Group, LLC15,000$160.7K0.02%−176,560−92.2%Reduced
UBS Group AG14,643$156.8K0.00%+109+0.7%Added
XTX Topco Ltd14,237$152.5K0.00%+14,237New
Sanctuary Advisors, LLC12,999$139.2K0.00%+78+0.6%Added
Beacon Pointe Advisors, LLC11,448$122.6K0.00%+11,448New
Kestra Private Wealth Services, LLC11,135$119.3K0.00%+215+2.0%Added
River Street Advisors LLC10,750$115.1K0.04%00.0%Unchanged
Janney Montgomery Scott LLC10,614$114.0K0.00%+289+2.8%Added
Nomura Holdings Inc10,562$113.1K0.00%+10,562New
Integrated Wealth Concepts LLC10,541$112.9K0.00%00.0%Unchanged
Prospera Financial Services Inc10,371$111.1K0.00%+51+0.5%Added
Ramiah Investment Group10,052$107.7K0.09%+10,052New
CX Institutional8,055$86.0K0.00%+41+0.5%Added
Northwestern Mutual Wealth Management Co7,003$75.0K0.00%00.0%Unchanged
Allworth Financial LP6,951$74.4K0.00%+700+11.2%Added
US Bancorp6,301$67.5K0.00%+3,200+103.2%Added
CWM, LLC5,415$58.0K0.00%00.0%Unchanged
Bernard Wealth Management Corp.5,300$56.8K0.02%00.0%Unchanged
Kestra Advisory Services, LLC4,628$49.6K0.00%+4,628New
MAI Capital Management4,228$45.3K0.00%00.0%Unchanged
St Germain D J Co Inc3,000$32.1K0.00%00.0%Unchanged
Tanglewood Legacy Advisors, LLC2,680$28.7K0.01%00.0%Unchanged
Asset Planning,Inc1,875$20.1K0.01%00.0%Unchanged
Key Financial Inc1,657$17.7K0.00%00.0%Unchanged
Comerica Bank1,038$11.1K0.00%00.0%Unchanged
Jones Financial Companies LLLP919$9.84K0.00%+919New
Highline Wealth Partners LLC700$7.50K0.00%00.0%Unchanged
Farther Finance Advisors, LLC543$5.82K0.00%00.0%Unchanged
Garton & Associates Financial Advisors LLC532$5.70K0.00%+532New
Citigroup Inc1$110.00%00.0%Unchanged
Polar Asset Management Partners Inc.0$00.00%−209,009−100.0%Sold out
Finward Bancorp0$00.00%−15,536−100.0%Sold out
Advisory Services Network, LLC0$00.00%−6,735−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−4,198−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−1,000−100.0%Sold out
Ameritas Advisory Services, LLC0$00.00%−930−100.0%Sold out
Newbridge Financial Services Group, Inc.0$00.00%−395−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−242−100.0%Sold out