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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
AdvisorShares Investments LLC19,200$435.3K0.09%+19,200New
Teacher Retirement System of Texas19,455$447.9K0.00%−24,915−56.2%Reduced
XTX Topco Ltd19,539$449.8K0.02%+10,589+118.3%Added
Gabelli Funds LLC20,000$460.4K0.00%+10,000+100.0%Added
Franklin Resources Inc20,045$461.4K0.00%+204+1.0%Added
Twinbeech Capital LP20,666$475.7K0.01%+20,666New
Numerai GP LLC20,863$480.3K0.09%+20,863New
Price T Rowe Associates Inc20,864$481.0K0.00%+1,837+9.7%Added
Mirae Asset Global ETFs Holdings Ltd.20,899$481.1K0.00%+885+4.4%Added
MetLife Investment Management21,106$485.9K0.00%−443−2.1%Reduced
Principal Financial Group Inc21,346$491.4K0.00%+156+0.7%Added
Cambridge Investment Research Advisors, Inc.21,421$493.0K0.00%−345−1.6%Reduced
Norges Bank22,935$528.0K0.00%+22,935New
Gotham Asset Management, LLC23,426$539.3K0.00%+9,700+70.7%Added
Dynamic Technology Lab Private Ltd23,474$540.0K0.08%+23,474New
Truist Financial Corp24,271$558.7K0.00%−3,149−11.5%Reduced
Ieq Capital, LLC24,396$561.6K0.00%+24,396New
Aviva PLC24,788$570.6K0.00%+8,628+53.4%Added
Intech Investment Management LLC25,403$584.8K0.01%+8,490+50.2%Added
Dark Forest Capital Management LP26,232$603.9K0.03%+14,854+130.6%Added
Linden Thomas Advisory Services, LLC27,181$625.7K0.08%+2,602+10.6%Added
Raffles Associates LP27,424$631.3K0.77%00.0%Unchanged
Legato Capital Management LLC27,474$632.5K0.09%+9,688+54.5%Added
Citigroup Inc28,560$657.5K0.00%−2,892−9.2%Reduced
Thrivent Financial for Lutherans28,593$658.0K0.00%−17,948−38.6%Reduced
Heritage Investors Management Corp29,097$670.0K0.02%00.0%Unchanged
Engineers Gate Manager LP29,357$675.8K0.01%+29,357New
Nebula Research & Development LLC29,452$678.0K0.06%+8,647+41.6%Added
HRT Financial LP33,147$763.0K0.00%−45−0.1%Reduced
California State Teachers Retirement System34,350$790.7K0.00%00.0%Unchanged
Marshall Wace, LLP34,434$792.7K0.00%−287,859−89.3%Reduced
Gsa Capital Partners LLP35,965$828.0K0.07%+1,186+3.4%Added
Teachers Retirement System of the State of Kentucky37,019$852.0K0.01%+9,810+36.1%Added
Alliancebernstein L.P.37,026$852.3K0.00%−415−1.1%Reduced
Invesco Ltd.41,016$944.2K0.00%+5,279+14.8%Added
Legal & General Group Plc41,197$948.4K0.00%−117−0.3%Reduced
LPL Financial LLC42,773$984.6K0.00%+8,481+24.7%Added
Y-Intercept (Hong Kong) Ltd43,355$998.0K0.07%+29,639+216.1%Added
Barclays PLC47,547$1.09M0.00%−17,598−27.0%Reduced
Semanteon Capital Management, LP50,041$1.15M0.63%+50,041New
Rhumbline Advisers50,446$1.16M0.00%+879+1.8%Added
Quantbot Technologies LP51,531$1.19M0.04%+51,531New
Victory Capital Management Inc51,653$1.19M0.00%−11,330−18.0%Reduced
Citadel Advisors LLC51,956$1.20M0.00%−320−0.6%Reduced
Jump Financial, LLC54,185$1.25M0.02%+39,736+275.0%Added
Hennion & Walsh Asset Management, Inc.54,482$1.25M0.06%+5,127+10.4%Added
Wells Fargo & Company54,498$1.25M0.00%−7,509−12.1%Reduced
SEI Investments Co55,149$1.27M0.00%+10,001+22.2%Added
Susquehanna International Group, LLP58,611$1.35M0.00%−55,635−48.7%Reduced
Canada Pension Plan Investment Board58,800$1.35M0.00%+58,800New
Moody Aldrich Partners LLC62,464$1.44M0.30%−16,918−21.3%Reduced
Verition Fund Management LLC63,852$1.47M0.01%+50,587+381.4%Added
Trexquant Investment LP65,134$1.50M0.02%−61,922−48.7%Reduced
UBS Asset Management Americas Inc66,459$1.53M0.00%00.0%Unchanged
Taylor Frigon Capital Management LLC66,483$1.53M0.91%−2,165−3.2%Reduced
Deprince Race & Zollo Inc67,877$1.56M0.03%+67,877New
Swiss National Bank71,100$1.64M0.00%−1,300−1.8%Reduced
Cynosure Management, LLC71,587$1.65M0.23%+55,497+344.9%Added
TownSquare Capital, LLC74,885$1.72M0.02%+8,026+12.0%Added
New York State Common Retirement Fund74,963$1.73M0.00%−4,585−5.8%Reduced
Man Group plc75,615$1.74M0.01%−3,128−4.0%Reduced
Walleye Capital LLC77,300$1.78M0.02%+77,300New
Laurus Investment Counsel Inc.79,560$1.83M1.22%00.0%Unchanged
First National Advisers, LLC81,329$1.87M0.30%−831−1.0%Reduced
ExodusPoint Capital Management, LP83,878$1.93M0.03%+83,878New
American Century Companies Inc84,231$1.94M0.00%−1,010−1.2%Reduced
First National Bank of Omaha86,777$2.00M0.14%−1,882−2.1%Reduced
Stifel Financial Corp90,860$2.09M0.00%+10,378+12.9%Added
Nuveen, LLC92,408$2.13M0.00%+92,408New
McMorgan & Co LLC92,959$2.14M0.34%−5,360−5.5%Reduced
Voleon Capital Management LP95,848$2.21M0.17%+84,692+759.2%Added
Jane Street Group, LLC98,221$2.26M0.00%+76,478+351.7%Added
Allianz Asset Management GmbH101,508$2.34M0.00%+30,800+43.6%Added
Isthmus Partners, LLC102,380$2.36M0.30%+15,017+17.2%Added
UBS Group AG106,328$2.45M0.00%−30,969−22.6%Reduced
Russell Investments Group, Ltd.110,066$2.53M0.00%+70,427+177.7%Added
Divisadero Street Capital Management, LP111,566$2.57M0.30%00.0%Unchanged
Squarepoint Ops LLC115,473$2.66M0.01%−82,001−41.5%Reduced
SG Americas Securities, LLC115,714$2.66M0.01%+93,110+411.9%Added
Bridge City Capital, LLC119,893$2.76M0.83%+50,643+73.1%Added
Hantz Financial Services, Inc.130,858$3.01M0.05%−3,310−2.5%Reduced
Uniplan Investment Counsel, Inc.130,984$3.02M0.29%+1,270+1.0%Added
PDT Partners, LLC131,122$3.02M0.21%+103,065+367.3%Added
Redmond Asset Management, LLC131,540$3.03M0.78%−1,840−1.4%Reduced
HighTower Advisors, LLC133,945$3.08M0.00%−5,835−4.2%Reduced
BNP Paribas Arbitrage, SA145,333$3.35M0.00%+106,370+273.0%Added
Deutsche Bank AG173,942$4.00M0.00%+143,304+467.7%Added
Algert Global LLC183,649$4.23M0.10%+88,484+93.0%Added
Federated Hermes, Inc.185,503$4.27M0.01%+185,503New
Rice Hall James & Associates, LLC194,829$4.48M0.26%−1,643−0.8%Reduced
Healthcare of Ontario Pension Plan Trust Fund196,300$4.52M0.01%+162,800+486.0%Added
Bank of New York Mellon Corp199,631$4.60M0.00%−2,215−1.1%Reduced
Gamco Investors, Inc. Et Al203,000$4.67M0.05%+5,000+2.5%Added
Jacobs Levy Equity Management, Inc208,469$4.80M0.02%−224,923−51.9%Reduced
United Capital Financial Advisers, LLC209,699$4.83M0.04%+103,807+98.0%Added
Emerald Mutual Fund Advisers Trust221,174$5.09M0.36%−139,448−38.7%Reduced
Renaissance Technologies LLC253,100$5.83M0.01%−24,200−8.7%Reduced
Visionary Wealth Advisors266,369$6.13M0.37%−59,824−18.3%Reduced
Kornitzer Capital Management Inc274,970$6.33M0.13%00.0%Unchanged
Congress Asset Management Co278,796$6.42M0.05%−874−0.3%Reduced