NSSC NAPCO SECURITY TECHNOLOGIES, INC: institutional ownership and insider trading
279 funds reported holding $1.55B of NAPCO SECURITY TECHNOLOGIES, INC in their latest 13F filings; in Q2 2026 funds net bought $46.4M, with 27 new positions and 36 funds selling out; over the last 12 months insiders bought $0 and sold $33.7M on the open market.
Famous investors holding NSSC
- Terry Smith (Fundsmith): $23.1M, 0.2% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $15.4M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $6.56M, 0.0% of the portfolio
Largest institutional holders of NSSC
- BlackRock, Inc. (BLK) — $214M
- VANGUARD GROUP INC — $120M
- Copeland Capital Management, LLC — $74.1M
- Jupiter Topco LLC — $63.9M
- VANGUARD CAPITAL MANAGEMENT LLC — $58.0M
- STATE STREET CORP (STT, STT-PG) — $57.4M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $56.8M
- JANUS HENDERSON GROUP PLC (JHG) — $56.1M
- FIRST TRUST ADVISORS LP — $49.5M
- GEODE CAPITAL MANAGEMENT, LLC — $45.5M
Recent NSSC insider trades
- Aug 27, 2026: Soloway Donna Anne sold 48,962 shares ($1.73M)
- Aug 27, 2026: Soloway Richard sold 475,000 shares ($16.5M)
- Mar 3, 2026: Soloway Richard sold 185,000 shares ($8.23M)
- Feb 5, 2026: Soloway Richard sold 150,000 shares ($6.41M)
5%+ owners
- BlackRock, Inc.: 15.0% (Schedule 13G/A, filed Apr 7, 2026)
- Copeland Capital Management, LLC: 5.8% (Schedule 13G, filed Oct 13, 2026)
- Vanguard Capital Management: 5.0% (Schedule 13G, filed Jul 31, 2026)