SURMODICS INC (SRDX) Institutional Ownership Changes & 13F Activity

SURMODICS INC (SRDX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q3 2018). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Renaissance Technologies LLC, Disciplined Growth Investors, and Mairs & Power Growth Fund.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Disciplined Growth InvestorsSell-3,605-2.0%173,766$12.97MQ3 2018Nov 16, 2018
Mairs & Power Growth FundBuy+3,300—3,300$246.00KQ3 2018Nov 14, 2018
Renaissance Technologies LLCBuy+93,438+9.4%1,091,838$81.51MQ3 2018Nov 13, 2018
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Frequently asked questions about SRDX activity

  • Which institutional owners are buying SRDX?

    Institutional owners buying SRDX 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 SRDX activity?

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

  • Is institutional interest in SRDX increasing?

    Institutional interest in SRDX 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.