Napco Security Technologies, Inc
NSSC- Exchange
- Nasdaq
- Industry
- Communications Equipment, NEC
- SEC CIK
- 0000069633
In the last 90 days, Napco Security Technologies, Inc insiders filed 0 open-market purchases and 2 sales; 258 institutions reported holding it in 13F filings for Q2 2026, worth $1.37B in total; Fundsmith is the only superinvestor holding it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $18.3M in total
- 2
- 13F holdersQ2 2026, −8 vs. previous quarter
- 258
- 13F valueReported value at the end of Q2 2026
- $1.37B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Superinvestors holding NSSC, Q2 2026
1 superinvestor reports holding Napco Security Technologies, Inc on Form 13F. Percentages are the stock's share of each portfolio.
Fundsmith
Terry Smith
0.2%
Napco Security Technologies, Inc's share of the portfolio
- Shares
- 606,974
- Value
- $23.1M
Latest insider trades
Open-market purchases and sales by Napco Security Technologies, Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 28, 2026 (view filing)10:34 AM ET | Aug 26-27 | 2 days | Soloway RichardFounder and Executive Chairman | SSale | −475.0K | $34.79 | −$16.5M | −43.3%622.0K after | 2 lots |
| Aug 28, 2026 (view filing)10:26 AM ET | Aug 26-27 | 2 days | Soloway Donna AnneDirector | SSale | −49.0K | $35.40 | −$1.73M | −100.0%0 after | 2 lots |
| Mar 4, 2026 (view filing) | Mar 2-3 | 2 days | Soloway RichardCEO, Chairman of Board, Secy | SSale | −185.0K | $44.46 | −$8.23M | −14.4%1.10M after | 2 lots |
| Feb 6, 2026 (view filing) | Feb 5 | 1 day | Soloway RichardCEO, Chairman of Board, Secy | SSale | −150.0K | $42.74 | −$6.41M | −10.7%1.26M after | |
| Nov 18, 2025 (view filing) | Nov 17 | 1 day | Spinelli Stephen MSenior Vice president of Sales | SSale | −19.0K | $40.25 | −$764.8K | −95.3%928 after | |
| Jun 6, 2025 (view filing) | Jun 6 | Same day | Spinelli Stephen MSenior Vice President of Sales | SSale | −5.00K | $29.16 | −$145.8K | −20.1%19.9K after | |
| Sep 16, 2024 (view filing) | Sep 12 | 4 days | Beeber Paul StephenDirector | SSale | −708 | $37.12 | −$26.3K | −20.9%2.68K after | |
| Jul 29, 2024 (view filing) | Jun 18 | 41 daysLate | Spinelli Stephen MSenior Vice President of Sales | SSale | −3.00K | $52.13 | −$156.4K | −10.7%24.9K after | 2 lots |
| Jun 20, 2024 (view filing) | Jun 18 | 2 days | Beeber Paul StephenDirector | SSale | −860 | $52.04 | −$44.8K | −25.3%2.54K after | |
| May 8, 2024 (view filing) | May 8 | Same day | Soloway RichardCEO, Chairman, Secy | SSale | −250.0K | $44.20 | −$11.1M | −15.1%1.41M after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Napco Security Technologies, Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,632,646 | $213.9M | 0.00% | −49,124−0.9% | Reduced |
| Copeland Capital Management, LLC | 2,016,873 | $76.6M | 1.57% | +7,784+0.4% | Added |
| Jupiter Topco LLC | 1,682,208 | $63.9M | 0.03% | +1,682,208 | New |
| Vanguard Capital Management LLC | 1,526,818 | $58.0M | 0.00% | +21,641+1.4% | Added |
| State Street Corp | 1,504,759 | $57.4M | 0.00% | +73,256+5.1% | Added |
| Vanguard Portfolio Management LLC | 1,494,431 | $56.8M | 0.00% | +30,219+2.1% | Added |
| First Trust Advisors LP | 1,304,074 | $49.5M | 0.03% | +618,885+90.3% | Added |
| Geode Capital Management, LLC | 1,196,951 | $45.5M | 0.00% | +88,859+8.0% | Added |
| Wellington Management Group LLP | 1,102,280 | $41.9M | 0.01% | +172,681+18.6% | Added |
| Morgan Stanley | 959,777 | $36.5M | 0.00% | +494,916+106.5% | Added |