Napco Security Technologies NSSC Institutional Ownership

Updated Oct 11, 2026

Napco Security Technologies, Inc (NASDAQ:NSSC) was held by 259 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

• Total shares held in Napco Security Technologies rose 4.16% from Q1 2026, while the number of holders rose 18.81% from Q2 2025.
• Of the 259 holders, 136 added to their positions, 89 reduced their stakes and 34 left their positions unchanged in Q2 2026.
• Combined, institutional investors held 36.11Mn shares of NSSC as of Q2 2026, up 1.44Mn from the prior quarter and up 4.49Mn from a year earlier.
• BlackRock, Inc. held the largest position in NSSC at 5.63Mn shares as of June 30, 2026.
• Among holders that already owned Napco Security Technologies, the biggest buyers in Q2 2026 were First Trust Advisors LP (+618.88K shares), Morgan Stanley (+494.92K shares), DePrince Race & Zollo Inc (+289.87K shares), Fundsmith LLP (+223.38K shares) and Healthcare of Ontario Pension Plan Trust Fund (+192.09K shares).
• Holders that trimmed the most shares of Napco Security Technologies in Q2 2026 while keeping a position were Prudential Financial Inc (-475.21K shares), Jacobs Levy Equity Management, Inc (-211.12K shares), Algert Global LLC (-202.14K shares), Man Group plc (-187.1K shares) and Arrowstreet Capital, Limited Partnership (-148.1K shares).
• Business Quant data shows the 10 biggest positions in Napco Security Technologies as of Q2 2026 were held by BlackRock, Inc. (5.63Mn shares), Copeland Capital Management, LLC (2.02Mn shares), Jupiter Topco LLC (1.68Mn shares), Vanguard Capital Management LLC (1.53Mn shares), State Street Corp (1.5Mn shares), Vanguard Portfolio Management LLC (1.49Mn shares), First Trust Advisors LP (1.3Mn shares), Geode Capital Management, LLC (1.2Mn shares), Wellington Management Group LLP (1.1Mn shares) and Morgan Stanley (959.78K shares).