NAPCO SECURITY TECHNOLOGIES (NSSC) Institutional Ownership and Insiders Activity
NAPCO SECURITY TECHNOLOGIES (NSSC) is widely held by institutional investors, with 254 firms reporting positions valued at approximately $1.36B based on SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is the largest disclosed holder, reporting approximately $213.93M in NSSC holdings in its latest filing.
Recent insider activity includes 4 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.
Institutional Holders
254
Total Reported Value
$1.36B
Largest Holder
Blackrock, Inc.
Largest Position
$213.93M
Insider Transactions (90d)
4
Latest Filing Quarter
Q2 2026
New Institutional Positions
30
Funds Exiting Positions
49
Top Institutional Owners
View allInvestorReported Balance
- Blackrock, Inc.$213.93M
- Copeland Capital Management, Llc$76.60M
- Vanguard Capital Management Llc$57.99M
- State Street Corp$57.37M
- Vanguard Portfolio Management Llc$56.76M
Related NSSC Institutional Insights:
- NSSC 13F Institutional Holders
- NSSC Top Institutional Shareholders
- NSSC Institutional Ownership Changes
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- NSSC Insider Trading & SEC Form 4 Activity
- NSSC Articles
- Top Institutional Investor Stock Rankings