SPDR S&P MIDCAP 400 ETF TRST (MDY) Institutional Ownership Changes & 13F Activity

SPDR S&P MIDCAP 400 ETF TRST (MDY). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, Mairs & Power Growth Fund, and Matrix Advisors Value Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2015Mairs & Power Growth FundSell-7001,095$278
Q4 2015Matrix Advisors Value FundBuy322,195$558
Q3 2015Mairs & Power Growth FundBuy1,7951,795$447
Q3 2015Matrix Advisors Value FundBuy1712,163$538
Q2 2015Matrix Advisors Value FundBuy1711,992$544
Q1 2015Matrix Advisors Value FundBuy481,821$505
Q4 2014Matrix Advisors Value FundBuy5501,773$468
Q2 2014Matrix Advisors Value FundBuy1121,223$319
Q1 2014Matrix Advisors Value FundBuy1,1111,111$278

Frequently asked questions about MDY activity

  • Which institutional owners are buying MDY?

    Institutional owners buying MDY 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 MDY activity?

    "Buy" means an investor increased their reported position in MDY compared to the prior reporting period. This reflects growing exposure to SPDR S&P MIDCAP 400 ETF TRST (MDY) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MDY increasing?

    Institutional interest in MDY 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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