NAPCO SECURITY TECHNOLOGIES (NSSC) Institutional Ownership Changes & 13F Activity

NAPCO SECURITY TECHNOLOGIES (NSSC). 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 Fundsmith, Renaissance Technologies LLC, Polen Capital Management, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026FundsmithSell-1,396,261383,596$15,109,846
Q1 2026Renaissance Technologies LLCBuy103,600436,800$17,205,552
Q4 2025Renaissance Technologies LLCBuy18,100333,200$13,894,440
Q3 2025FundsmithBuy824,9451,779,857$76,444,858
Q3 2025Renaissance Technologies LLCBuy16,300315,100$13,533,545
Q3 2025Polen Capital ManagementBuy12,56712,567$539,753
Q2 2025FundsmithBuy954,912954,912$28,351,337
Q2 2025Renaissance Technologies LLCBuy45,700298,800$8,871,372
Q1 2025Renaissance Technologies LLCSell-24,200253,100$5,826,362
Q4 2024Renaissance Technologies LLCBuy31,100277,300$9,860,788
Q3 2024Renaissance Technologies LLCBuy1,800246,200$9,961,252
Q2 2024Renaissance Technologies LLCBuy36,200244,400$12,696,580
Q2 2024Sequoia Financial AdvisorsBuy5,8055,805$301,571
Q1 2024Renaissance Technologies LLCBuy147,400208,200$8,361
Q3 2023Renaissance Technologies LLCSell-33,30060,800$1,353
Q2 2023Renaissance Technologies LLCBuy48,03294,100$3,261
Q4 2022Renaissance Technologies LLCSell-14,23246,068$1,266
Q3 2022Renaissance Technologies LLCBuy23,80060,300$1,754
Q2 2022Renaissance Technologies LLCBuy23,00036,500$752
Q1 2022Renaissance Technologies LLCSell-7,70013,500$277
Q4 2021Renaissance Technologies LLCBuy8,20021,200$1,060
Q3 2019Renaissance Technologies LLCSell-164,90013,000$332
Q2 2019Renaissance Technologies LLCSell-139,300177,900$5,280
Q1 2019Renaissance Technologies LLCBuy44,900317,200$6,579
Q4 2018Renaissance Technologies LLCBuy4,100272,300$4,289
Q3 2018Renaissance Technologies LLCBuy13,500268,200$4,010
Q1 2018Renaissance Technologies LLCSell-28,700254,700$2,980
Q4 2017Renaissance Technologies LLCBuy28,325283,400$2,480
Q3 2017Renaissance Technologies LLCSell-45,543255,075$2,474
Q2 2017Renaissance Technologies LLCBuy56,046300,618$2,826

Frequently asked questions about NSSC activity

  • Which institutional owners are buying NSSC?

    Institutional owners buying NSSC 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 NSSC activity?

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

  • Is institutional interest in NSSC increasing?

    Institutional interest in NSSC 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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