VANGUARD MEGA CAP GROWTH ETF (MGK) Institutional Ownership Changes & 13F Activity

VANGUARD MEGA CAP GROWTH ETF (mgk) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Sequoia Financial Advisors and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Sequoia Financial AdvisorsBuy261,487$613,726
Q3 2025Renaissance Technologies LLCSell-7,4003,500$1,408,470
Q3 2025Sequoia Financial AdvisorsBuy2131,461$588,050
Q2 2025Renaissance Technologies LLCSell-7,20010,900$3,991,253
Q2 2025Sequoia Financial AdvisorsBuy5461,248$457,006
Q1 2025Sequoia Financial AdvisorsBuy702702$216,916
Q4 2024Renaissance Technologies LLCBuy8,60018,100$6,215,721
Q2 2024Renaissance Technologies LLCBuy2,6019,500$2,984,995
Q1 2024Renaissance Technologies LLCBuy2,2996,899$1,977
Q2 2023Renaissance Technologies LLCBuy2,6004,600$1,082
Q1 2023Renaissance Technologies LLCSell-2,5002,000$409
Q4 2022Renaissance Technologies LLCBuy2004,500$774
Q3 2022Renaissance Technologies LLCSell-2,6004,300$749
Q4 2021Renaissance Technologies LLCBuy1,0006,900$1,799
Q3 2021Renaissance Technologies LLCBuy2,0005,900$1,385
Q2 2021Renaissance Technologies LLCSell-4,1003,900$902
Q4 2020Renaissance Technologies LLCSell-7,9008,000$1,630
Q3 2020Renaissance Technologies LLCBuy12,50015,900$2,948
Q2 2020Renaissance Technologies LLCSell-2,9003,400$556
Q1 2020Renaissance Technologies LLCBuy1,1006,300$801
Q4 2019Renaissance Technologies LLCBuy5005,200$757
Q2 2019Renaissance Technologies LLCBuy1,9004,700$609
Q3 2018Renaissance Technologies LLCSell-2,2002,800$359
Q1 2018Renaissance Technologies LLCBuy5,0005,000$561

Frequently asked questions about MGK activity

  • Which institutional owners are buying MGK?

    Institutional owners buying MGK 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 MGK activity?

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

  • Is institutional interest in MGK increasing?

    Institutional interest in MGK 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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