VANGUARD MID-CAP ETF (VO) Stock Institutional Trading Activity


VANGUARD MID-CAP ETF (VO) 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 Advisors Value Fund, Mairs & Power Growth Fund, Matrix Private Capital Group, and Polen Capital Management. 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
Q2 2017Sequoia Financial AdvisorsBuy1,78916,913$2,410
Q1 2017Sequoia Financial AdvisorsBuy15,12415,124$2,106

Frequently asked questions about VO activity

  • Which institutional owners are buying VO?

    Institutional owners buying VO 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 VO activity?

    "Buy" means an investor increased their reported position in VO compared to the prior reporting period. This reflects growing exposure to VANGUARD MID-CAP ETF (VO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in VO increasing?

    Institutional interest in VO 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.