NSSC

NAPCO SEC TECHNOLOGIES INC

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

NSSC (NAPCO SEC TECHNOLOGIES INC) is held by 140 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($223.8M), VANGUARD CAPITAL MANAGEMENT LLC ($59.3M), VANGUARD PORTFOLIO MANAGEMENT LLC ($57.7M). Net institutional sentiment: Mixed.

140
Holders
Avg rating(33 Elite)
$1.1B
Total Value
56% (153)
Fund Consensus
82 buying - 64 selling
NSSCSmart Money Verdict
View all
Held by 140 funds
33 elite
Who's Trading
ActivistCOCopeland Capital Management, LLC5.6%May 7, 2026
ActivistBlackRock, Inc.BlackRock, Inc.15.0%Apr 7, 2026
ActivistThe Vanguard GroupThe Vanguard Group0.0%Mar 27, 2026
InsiderSRSOLOWAY RICHARDSell $2.4MMar 3, 2026
InsiderSRSOLOWAY RICHARDSell $5.8MMar 2, 2026
InsiderSMSpinelli Stephen MSell $765KNov 17, 2025
ActivistFMR LLCFMR LLC3.0%May 12, 2025
13F: Insider & Congress:
Fund
Action
Shares
Value
Weight
Est. P&L
Conviction
Increased
5.7M(+76.2%)$223.8M0.0%-7.22%
46
New
1.5M$59.3M0.0%-16.56%
41
New
1.5M$57.7M0.0%-16.56%
41
Increased
1.4M(+59.7%)$56.5M0.0%-6.07%
42
Decreased
1.4M(-9.2%)$56.1M0.0%+47.28%
0
Increased
1.1M(+7.7%)$43.7M0.0%+34.26%
31
Increased
929,599(+5.7%)$36.6M0.0%+22.38%
31
Decreased
846,040(-2.1%)$33.3M0.0%-11.32%
0
New
750,030$29.5M0.0%-16.56%
40
Increased
702,852(+4.7%)$27.7M0.0%+0.26%
30
Decreased
685,189(-4.1%)$27M0.0%-14.68%
0
Decreased
584,327(-2.3%)$23M0.0%+30.31%
0
Increased
482,272(+87.0%)$19M0.0%-13.08%
44
Decreased
476,558(-17.9%)$18.8M0.0%+5.20%
0
Increased
464,861(+9.8%)$18.3M0.0%-12.03%
31
Increased
436,800(+31.1%)$17.2M0.0%-9.69%
36
Decreased
412,788(-0.5%)$16.3M0.1%-6.29%
0
Increased
403,294(+30.0%)$15.9M0.0%+4.23%
36
Decreased
383,596(-78.5%)$15.1M0.1%+1.84%
0
Increased
375,638(+2.7%)$14.8M0.0%+13.49%
29

Showing 1-20 of 153

1 / 8

Other Industrials stocks held by institutions

Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer

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