NSSC

NAPCO SEC TECHNOLOGIES INC

NSSC·630402105·US·Common Stock·Industrials - Security & Protection Services-13D/G

NSSC (NAPCO SEC TECHNOLOGIES INC) is held by 134 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($213.9M), Jupiter Topco LLC ($63.9M), VANGUARD CAPITAL MANAGEMENT LLC ($58M). Net institutional sentiment: Mixed.

134
Holders
(9 Elite)
$1.1B
Total Value
53% (136)
Consensus
72 buying - 64 selling
13F: Insider & Congress: Updated regularly
NSSC

Smart Money Verdict

View all
Loading verdict
Held by 134 funds
9 elite

Who's Trading

Source dates: Price Oct 13, 2026 · Insiders Aug 28, 2026 · Activists Oct 13, 2026 · Congress none

ActivistCOCopeland Capital Management, LLC5.8%Oct 13, 2026
InsiderSRSOLOWAY RICHARDSell $13.1MAug 27, 2026
InsiderSASoloway Donna AnneSell $726KAug 27, 2026
Checking access…

Top Holders

Checking access…
Action
Decreased
5.6M(-0.9%)$213.9M0.0%-1.92%
0
First report
1.7M$63.9M0.0%-4.28%
0
Increased
1.5M(+1.4%)$58M0.0%-7.28%
30
Increased
1.5M(+5.1%)$57.4M0.0%+20.87%
31
Increased
1.5M(+2.1%)$56.8M0.0%-7.27%
30
Increased
1.3M(+90.3%)$49.5M0.0%-9.63%
46
Increased
1.2M(+8.0%)$45.5M0.0%+43.18%
32
Increased
1.1M(+18.6%)$41.9M0.0%+19.25%
34
Increased
959,777(+106.5%)$36.5M0.0%-6.84%
47
Increased
725,550(+3.2%)$27.6M0.0%+150.46%
30
Decreased
697,937(-17.5%)$26.5M0.0%-10.82%
0
Increased
610,616(+4.5%)$23.2M0.0%+39.04%
30
Increased
606,974(+58.2%)$23.1M0.2%+0.02%
50
Decreased
406,408(-14.7%)$15.4M0.0%+5.47%
0
Decreased
406,200(-7.0%)$15.4M0.0%-6.27%
0
Decreased
379,686(-21.3%)$14.4M0.0%-7.87%
0
Increased
378,803(+0.8%)$14.4M0.0%+15.84%
28
Decreased
369,290(-8.4%)$14M0.0%+8.23%
0
Increased
354,531(+4.7%)$13.5M0.0%+36.14%
29
Increased
311,009(+2.6%)$11.8M0.0%+17.65%
29

Showing 1-20 of 147

1 / 8
NSSCNSSCNAPCO SEC TECHNOLOGIES INC

Other Industrials stocks held by institutions

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

Analytics tracking helps us improve the product. Essential functions stay on either way. How analytics data is used