ISHARES NATIONAL MUNI BOND E (MUB) Stock Institutional Trading Activity


ISHARES NATIONAL MUNI BOND E (MUB) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Matrix Private Capital Group, Sequoia Financial Advisors, and Torray Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Matrix Private Capital GroupBuy1503,500$374,885
Q4 2025Renaissance Technologies LLCSell-156,250128,850$13,801,124
Q3 2025Renaissance Technologies LLCSell-285,200285,100$30,360,299
Q3 2025Sequoia Financial AdvisorsBuy29,9071,704,780$181,542,068
Q2 2025Matrix Private Capital GroupBuy3,1003,350$350,008
Q2 2025Renaissance Technologies LLCBuy306,100570,300$59,584,944
Q2 2025Sequoia Financial AdvisorsBuy97,7111,674,873$174,990,720
Q1 2025Renaissance Technologies LLCBuy167,170264,200$27,857,248
Q1 2025Sequoia Financial AdvisorsBuy264,2601,577,162$166,295,957
Q4 2024Matrix Private Capital GroupBuy50250$26,638
Q4 2024Renaissance Technologies LLCSell-205,57097,030$10,338,547
Q4 2024Sequoia Financial AdvisorsBuy289,4071,312,902$139,889,677
Q3 2024Matrix Private Capital GroupSell-7,166200$21,726
Q3 2024Renaissance Technologies LLCBuy32,200302,600$32,871,438
Q3 2024Sequoia Financial AdvisorsBuy12,5881,023,495$111,182,252
Q2 2024Renaissance Technologies LLCBuy68,300270,400$28,811,120
Q2 2024Sequoia Financial AdvisorsSell-50,1271,010,907$107,712,197
Q1 2024Renaissance Technologies LLCSell-476,700202,100$21,746
Q1 2024Sequoia Financial AdvisorsBuy20,7801,061,034$114,167,259
Q4 2023Renaissance Technologies LLCBuy670,600678,800$73,589
Q4 2023Sequoia Financial AdvisorsSell-27,4001,040,254$112,773,935
Q3 2023Renaissance Technologies LLCSell-78,7008,200$841
Q3 2023Matrix Private Capital GroupSell-507,366$755,310
Q3 2023Sequoia Financial AdvisorsSell-52,8031,067,654$109,477,271
Q2 2023Renaissance Technologies LLCBuy4,04786,900$9,275
Q2 2023Sequoia Financial AdvisorsSell-9,0411,120,457$119,586,390
Q1 2023Renaissance Technologies LLCBuy55,15382,853$8,927
Q1 2023Matrix Private Capital GroupSell-2947,416$799,000
Q1 2023Sequoia Financial AdvisorsBuy361,4371,129,498$121,692,134
Q4 2022Renaissance Technologies LLCSell-155,70027,700$2,923

Frequently asked questions about MUB activity

  • Which institutional owners are buying MUB?

    Institutional owners buying MUB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MUB activity?

    "Buy" means an investor increased their reported position in MUB compared to the prior reporting period. This reflects growing exposure to ISHARES NATIONAL MUNI BOND E (MUB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MUB increasing?

    Institutional interest in MUB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.