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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.

13F holders, Q1 2025

Institutional positions in Napco Security Technologies, Inc as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
229
−20 vs. Q4 2024
Shares held
31.7M
−1.93M (−5.8%) vs. Q4 2024
Total value
$729.0M
−$465.5M (−39.0%) vs. Q4 2024
New holders
39
90 more added
Sold out
59
75 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting NSSC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 229 institutions
Q1 2021: 104 institutionsQ2 2021: 103 institutionsQ3 2021: 109 institutionsQ4 2021: 127 institutionsQ1 2022: 116 institutionsQ2 2022: 117 institutionsQ3 2022: 150 institutionsQ4 2022: 166 institutionsQ1 2023: 196 institutionsQ2 2023: 228 institutionsQ3 2023: 177 institutionsQ4 2023: 191 institutionsQ1 2024: 240 institutionsQ2 2024: 274 institutionsQ3 2024: 263 institutionsQ4 2024: 251 institutionsQ1 2025: 229 institutionsQ2 2025: 221 institutionsQ3 2025: 240 institutionsQ4 2025: 254 institutionsQ1 2026: 271 institutionsQ2 2026: 258 institutions
Value heldQ1 2025: $729.0M
Q1 2021: $433.4MQ2 2021: $449.1MQ3 2021: $528.1MQ4 2021: $596.6MQ1 2022: $502.2MQ2 2022: $513.5MQ3 2022: $731.3MQ4 2022: $763.7MQ1 2023: $1.13BQ2 2023: $1.12BQ3 2023: $636.4MQ4 2023: $1.02BQ1 2024: $1.27BQ2 2024: $1.74BQ3 2024: $1.36BQ4 2024: $1.20BQ1 2025: $729.0MQ2 2025: $960.1MQ3 2025: $1.37BQ4 2025: $1.32BQ1 2026: $1.37BQ2 2026: $1.37B
Institutions holding NSSC and their total value by quarter
QuarterHoldersValue
Q2 2026258$1.37B
Q1 2026271$1.37B
Q4 2025254$1.32B
Q3 2025240$1.37B
Q2 2025221$960.1M
Q1 2025229$729.0M
Q4 2024251$1.20B
Q3 2024263$1.36B
Q2 2024274$1.74B
Q1 2024240$1.27B
Q4 2023191$1.02B
Q3 2023177$636.4M
Q2 2023228$1.12B
Q1 2023196$1.13B
Q4 2022166$763.7M
Q3 2022150$731.3M
Q2 2022117$513.5M
Q1 2022116$502.2M
Q4 2021127$596.6M
Q3 2021109$528.1M
Q2 2021103$449.1M
Q1 2021104$433.4M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Napco Security Technologies, Inc; share changes are against Q4 2024.

Institutions holding NSSC in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of America Corp283,889$6.54M0.00%+179,093+170.9%Added
AQR Capital Management LLC286,056$6.59M0.01%+117,882+70.1%Added
Point72 Asset Management, L.P.303,601$6.99M0.02%−334,572−52.4%Reduced
Charles Schwab Investment Management Inc346,561$7.98M0.00%−28,990−7.7%Reduced
Qube Research & Technologies Ltd349,855$8.05M0.01%−60,955−14.8%Reduced
CenterBook Partners LP356,155$8.20M0.52%+356,155New
Rockefeller Capital Management L.P.368,779$8.49M0.02%+22,813+6.6%Added
Granite Investment Partners, LLC374,181$8.61M0.44%−163,006−30.3%Reduced
Alta Capital Management LLC407,991$9.39M0.61%+8,392+2.1%Added
Emerald Advisers, LLC408,485$9.40M0.42%−126,607−23.7%Reduced
GW&K Investment Management, LLC443,059$10.2M0.09%−2,183−0.5%Reduced
Voloridge Investment Management, LLC482,820$11.1M0.04%+172,999+55.8%Added
JPMorgan Chase & Co550,884$12.7M0.00%+267,072+94.1%Added
Morgan Stanley580,320$13.4M0.00%+78,221+15.6%Added
Goldman Sachs Group Inc589,290$13.6M0.00%+254,007+75.8%Added
Wellington Management Group LLP649,318$14.9M0.00%+356,094+121.4%Added
Northern Trust Corp673,261$15.5M0.00%−13,556−2.0%Reduced
Envestnet Asset Management Inc712,674$16.4M0.01%+95,014+15.4%Added
Royal Bank of Canada727,368$16.7M0.00%−19,436−2.6%Reduced
Millennium Management LLC769,789$17.7M0.02%+295,755+62.4%Added
State Street Corp814,441$18.8M0.00%−12,109−1.5%Reduced
Dimensional Fund Advisors LP850,845$19.6M0.00%−165,709−16.3%Reduced
Janus Henderson Group PLC967,432$22.3M0.01%+28,077+3.0%Added
Geode Capital Management, LLC1,017,046$23.4M0.00%+6,350+0.6%Added
FMR LLC1,094,045$25.2M0.00%−1,063,769−49.3%Reduced
Doma Perpetual Capital Management LLC1,175,655$27.1M10.64%+409,123+53.4%Added
Copeland Capital Management, LLC1,493,928$34.4M0.69%+299,305+25.1%Added
Vanguard Group Inc2,901,671$66.8M0.00%+52,020+1.8%Added
BlackRock, Inc.3,041,430$70.0M0.00%−126,828−4.0%Reduced
Proequities, Inc.0$00.00%−788−100.0%Sold out
FIL Ltd0$00.00%−1,155,371−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−757,219−100.0%Sold out
Wasatch Advisors Inc0$00.00%−414,560−100.0%Sold out
Royce & Associates LP0$00.00%−348,430−100.0%Sold out
Standard Life Aberdeen plc0$00.00%−335,363−100.0%Sold out
Annex Advisory Services, LLC0$00.00%−316,171−100.0%Sold out
Stanley-Laman Group, Ltd.0$00.00%−104,390−100.0%Sold out
F/M Investments LLC0$00.00%−66,069−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−57,212−100.0%Sold out
Vident Advisory, LLC0$00.00%−42,512−100.0%Sold out
QSV Equity Investors LLC0$00.00%−37,251−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−24,221−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−23,943−100.0%Sold out
Capital Fund Management S.A.0$00.00%−21,212−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−20,074−100.0%Sold out
CI Private Wealth, LLC0$00.00%−18,104−100.0%Sold out
Premier Fund Managers Ltd0$00.00%−13,082−100.0%Sold out
Cannon Global Investment Management, LLC0$00.00%−10,300−100.0%Sold out
Glenmede Trust Co NA0$00.00%−10,184−100.0%Sold out
ProShare Advisors LLC0$00.00%−9,909−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−9,587−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−9,559−100.0%Sold out
Alps Advisors Inc0$00.00%−9,064−100.0%Sold out
Aigen Investment Management, LP0$00.00%−8,952−100.0%Sold out
Centiva Capital, LP0$00.00%−8,567−100.0%Sold out
HSBC Holdings PLC0$00.00%−8,545−100.0%Sold out
Dearborn Partners LLC0$00.00%−8,462−100.0%Sold out
Envestnet Portfolio Solutions, Inc.0$00.00%−8,355−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−8,014−100.0%Sold out
SkyOak Wealth, LLC0$00.00%−7,687−100.0%Sold out
Personal Cfo Solutions, LLC0$00.00%−7,617−100.0%Sold out
Wambolt & Associates, LLC0$00.00%−7,517−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−7,200−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−6,917−100.0%Sold out
Ameriprise Financial Inc0$00.00%−6,760−100.0%Sold out
Cetera Investment Advisers0$00.00%−6,347−100.0%Sold out
Raymond James Financial Inc0$00.00%−6,192−100.0%Sold out
Credit Agricole S A0$00.00%−6,011−100.0%Sold out
Freestone Grove Partners LP0$00.00%−5,980−100.0%Sold out
Commonwealth Equity Services, LLC0$00.00%−5,756−100.0%Sold out
Coppell Advisory Solutions LLC0$00.00%−2,525−100.0%Sold out
Arcadia Investment Management Corp0$00.00%−2,429−100.0%Sold out
Edmond de Rothschild Holding S.A.0$00.00%−2,159−100.0%Sold out
Oarsman Capital, Inc.0$00.00%−1,518−100.0%Sold out
Caption Management, LLC0$00.00%−914−100.0%Sold out
New Age Alpha Advisors, LLC0$00.00%−900−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−653−100.0%Sold out
Ronald Blue Trust, Inc.0$00.00%−381−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−278−100.0%Sold out
Eagle Bay Advisors LLC0$00.00%−269−100.0%Sold out
Group One Trading, L.P.0$00.00%−263−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−209−100.0%Sold out
Quarry LP0$00.00%−138−100.0%Sold out
LRI Investments, LLC0$00.00%−74−100.0%Sold out
Bogart Wealth, LLC0$00.00%−50−100.0%Sold out
Concord Wealth Partners0$00.00%−27−100.0%Sold out
IFP Advisors, Inc0$00.00%−8−100.0%Sold out
RiverPark Advisors, LLC0$00.00%−68−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
Global Retirement Partners, LLC––––Not filed