SLEEP NUMBER CORP (SNBR) Institutional Ownership Changes & 13F Activity

SLEEP NUMBER CORP (SNBR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2021). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Disciplined Growth Investors, Renaissance Technologies LLC, Mairs & Power Growth Fund, and Giverny Capital.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Disciplined Growth InvestorsSell-511,448-20.5%1,984,007$284.69MQ1 2021May 17, 2021
Giverny CapitalBuy+10,088+3.1%339,846$48.77MQ1 2021May 17, 2021
Mairs & Power Growth FundSell-13,653-13.5%87,581$12.57MQ1 2021May 14, 2021
Renaissance Technologies LLCBuy+47,700+83.1%105,100$15.08MQ1 2021May 13, 2021
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Frequently asked questions about SNBR activity

  • Which institutional owners are buying SNBR?

    Institutional owners buying SNBR 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 SNBR activity?

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

  • Is institutional interest in SNBR increasing?

    Institutional interest in SNBR 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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