(NSA) Stock Institutional Trading Activity


(NSA) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC. 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
Q4 2017Renaissance Technologies LLCSell-73,600953,600$25,995
Q3 2017Renaissance Technologies LLCSell-116,4001,027,200$24,899
Q2 2017Renaissance Technologies LLCBuy396,5001,143,600$26,429
Q1 2017Renaissance Technologies LLCBuy389,200747,100$17,856
Q4 2016Renaissance Technologies LLCBuy24,600357,900$7,899
Q3 2016Renaissance Technologies LLCBuy48,300333,300$6,979
Q2 2016Renaissance Technologies LLCSell-88,700285,000$5,934
Q1 2016Renaissance Technologies LLCBuy105,220373,700$7,922
Q4 2015Renaissance Technologies LLCBuy151,980268,480$4,599
Q3 2015Renaissance Technologies LLCBuy116,500116,500$1,579

Frequently asked questions about NSA activity

  • Which institutional owners are buying NSA?

    Institutional owners buying NSA 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 NSA activity?

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

  • Is institutional interest in NSA increasing?

    Institutional interest in NSA 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.