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
Q1 2020Matrix Private Capital GroupBuy2737,273$822
Q1 2020Sequoia Financial AdvisorsBuy19,036241,192$27,257
Q4 2019Matrix Private Capital GroupBuy7,0007,000$797
Q4 2019Renaissance Technologies LLCBuy80,919119,100$13,567
Q4 2019Sequoia Financial AdvisorsBuy23,851222,156$25,306
Q3 2019Renaissance Technologies LLCSell-46,90038,181$4,356
Q3 2019Sequoia Financial AdvisorsBuy17,142198,305$22,627
Q2 2019Renaissance Technologies LLCBuy27,21885,081$9,622
Q2 2019Sequoia Financial AdvisorsBuy4,659181,163$20,488
Q1 2019Renaissance Technologies LLCSell-66,41857,863$6,434
Q1 2019Sequoia Financial AdvisorsBuy164176,504$19,626
Q4 2018Renaissance Technologies LLCBuy50,700124,281$13,552
Q4 2018Sequoia Financial AdvisorsSell-5,662176,340$19,228
Q3 2018Renaissance Technologies LLCSell-3,30073,581$7,942
Q3 2018Sequoia Financial AdvisorsBuy138182,002$19,645
Q2 2018Sequoia Financial AdvisorsSell-10,580181,864$19,830
Q1 2018Renaissance Technologies LLCBuy35,30076,881$8,375
Q1 2018Sequoia Financial AdvisorsBuy26,652192,444$20,963
Q4 2017Renaissance Technologies LLCBuy41,58141,581$4,605
Q4 2017Sequoia Financial AdvisorsBuy26,932165,792$18,360
Q3 2017Sequoia Financial AdvisorsBuy11,952138,860$15,395
Q2 2017Sequoia Financial AdvisorsSell-17,305126,908$13,975
Q1 2017Sequoia Financial AdvisorsBuy5,725144,213$15,712
Q4 2016Sequoia Financial AdvisorsBuy31,477138,488$14,982
Q3 2016Sequoia Financial AdvisorsBuy104,851107,011$12,065
Q2 2016Sequoia Financial AdvisorsBuy1,9192,160$246
Q1 2016Sequoia Financial AdvisorsSell-4,272241$2,160
Q3 2015Sequoia Financial AdvisorsSell-564,513$494
Q1 2015Sequoia Financial AdvisorsBuy4,5694,569$505

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.