ISHARES NATIONAL MUNI BOND E (MUB) Institutional Ownership Changes & 13F Activity

ISHARES NATIONAL MUNI BOND E (MUB) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Sequoia Financial Advisors, Renaissance Technologies LLC, Matrix Private Capital Group, and Torray Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2023Sequoia Financial AdvisorsBuy361,4371,129,498$121,692,134
Q1 2023Renaissance Technologies LLCBuy55,15382,853$8,927
Q1 2023Matrix Private Capital GroupSell-2947,416$799,000
Q4 2022Sequoia Financial AdvisorsSell-338,341768,061$81,045,794
Q4 2022Renaissance Technologies LLCSell-155,70027,700$2,923
Q4 2022Matrix Private Capital GroupBuy3187,710$813,559
Q3 2022Sequoia Financial AdvisorsSell-1,531,3221,106,402$113,495
Q3 2022Matrix Private Capital GroupBuy2507,392$758
Q2 2022Sequoia Financial AdvisorsBuy1,714,8422,637,724$280,553
Q2 2022Renaissance Technologies LLCBuy178,100183,400$19,506
Q2 2022Matrix Private Capital GroupBuy2017,142$760
Q1 2022Sequoia Financial AdvisorsBuy199,258922,882$101,185
Q1 2022Renaissance Technologies LLCSell-13,4995,300$581
Q1 2022Matrix Private Capital GroupSell-2106,941$761
Q4 2021Sequoia Financial AdvisorsBuy504,363723,624$84,143
Q4 2021Torray FundBuy3,7503,750$436
Q4 2021Matrix Private Capital GroupSell-1157,151$832
Q3 2021Sequoia Financial AdvisorsSell-191,202219,261$25,472
Q3 2021Matrix Private Capital GroupBuy487,266$844
Q2 2021Sequoia Financial AdvisorsBuy62,044410,463$48,106
Q2 2021Renaissance Technologies LLCBuy15,19918,799$2,203
Q2 2021Matrix Private Capital GroupBuy3827,218$846
Q1 2021Renaissance Technologies LLCSell-163,5003,600$418
Q1 2021Sequoia Financial AdvisorsBuy17,030348,419$40,434
Q1 2021Matrix Private Capital GroupBuy506,836$793
Q4 2020Renaissance Technologies LLCBuy56,400167,100$19,584
Q4 2020Sequoia Financial AdvisorsBuy23,788331,389$38,839
Q4 2020Matrix Private Capital GroupBuy1806,786$795
Q3 2020Sequoia Financial AdvisorsBuy307,601307,601$35,660
Q3 2020Matrix Private Capital GroupBuy526,606$766

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.

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