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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, Q2 2025

Institutional positions in Napco Security Technologies, Inc as of Jun 30, 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
221
−7 vs. Q1 2025
Shares held
32.3M
+679.9K (+2.1%) vs. Q1 2025
Total value
$960.1M
+$231.2M (+31.7%) vs. Q1 2025
New holders
33
93 more added
Sold out
40
70 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 221 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 heldQ2 2025: $960.1M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Napco Security Technologies, Inc; share changes are against Q1 2025.

Institutions holding NSSC in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Hemington Wealth Management7$00.00%00.0%Unchanged
Huntington National Bank1$300.00%−926−99.9%Reduced
Creekmur Asset Management LLC1$300.00%00.0%Unchanged
National Bank of Canada2$590.00%+2New
Clearstead Advisors, LLC5$1490.00%+5New
Rosenberg Matthew Hamilton7$2080.00%00.0%Unchanged
Covestor Ltd26$1.00K0.00%−20−43.5%Reduced
AdvisorNet Financial, Inc49$1.46K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC52$1.54K0.00%00.0%Unchanged
Mount Yale Investment Advisors, LLC66$1.96K0.00%+66New
Quarry LP66$1.96K0.00%+66New
SBI Securities Co., Ltd.78$2.32K0.00%−3−3.7%Reduced
Sterling Capital Management LLC82$2.44K0.00%+46+127.8%Added
Jones Financial Companies LLLP88$2.61K0.00%+88New
True Wealth Design, LLC88$2.61K0.00%−206−70.1%Reduced
Wolff Wiese Magana LLC100$2.97K0.00%−100−50.0%Reduced
Rothschild Investment LLC105$3.12K0.00%+70+200.0%Added
Parallel Advisors, LLC106$3.15K0.00%+76+253.3%Added
Whipplewood Advisors, LLC108$3.21K0.00%+108New
WPG Advisers, LLC179$5.32K0.00%+20+12.6%Added
IFP Advisors, Inc195$5.79K0.00%+195New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.188$6.00K0.00%+188New
Allworth Financial LP220$6.54K0.00%+110+100.0%Added
Geneos Wealth Management Inc.251$7.45K0.00%+58+30.1%Added
Principal Securities, Inc.373$11.1K0.00%+69+22.7%Added
Federation des caisses Desjardins du Quebec390$11.6K0.00%+130+50.0%Added
Financial Network Wealth Advisors LLC420$12.5K0.02%−131−23.8%Reduced
UMA Financial Services, Inc.425$12.6K0.00%−615−59.1%Reduced
Toth Financial Advisory Corp500$14.8K0.00%00.0%Unchanged
Retirement Wealth Solutions LLC517$15.3K0.01%+60+13.1%Added
Signaturefd, LLC583$17.3K0.00%+357+158.0%Added
Maseco LLP585$17.4K0.00%+585New
Nisa Investment Advisors, LLC597$17.8K0.00%+420+237.3%Added
EverSource Wealth Advisors, LLC618$18.3K0.00%+446+259.3%Added
Binnacle Investments Inc728$21.6K0.01%+304+71.7%Added
GAMMA Investing LLC736$21.9K0.00%−370−33.5%Reduced
Parkside Financial Bank & Trust747$22.2K0.00%+747New
Advisor Group Holdings, Inc.943$28.0K0.00%−2,720−74.3%Reduced
CBIZ Investment Advisory Services, LLC1,043$31.1K0.00%+136+15.0%Added
Quaker Wealth Management, LLC1,050$31.2K0.01%+1,050New
Versant Capital Management, Inc1,145$34.0K0.01%+410+55.8%Added
Amalgamated Bank1,180$35.0K0.00%00.0%Unchanged
Essential Partners LLC1,179$35.0K0.01%+1,179New
MPWM Advisory Solutions, LLC1,240$36.8K0.02%+53+4.5%Added
SRS Capital Advisors, Inc.1,480$43.9K0.00%+116+8.5%Added
First Horizon Advisors, Inc.1,552$46.1K0.00%+516+49.8%Added
Truvestments Capital LLC1,620$48.1K0.01%−175−9.7%Reduced
Farther Finance Advisors, LLC1,793$53.2K0.00%−2,039−53.2%Reduced
Skopos Labs, Inc.2,040$60.6K0.01%+1,874+1,128.9%Added
Walleye Trading LLC2,386$70.8K0.00%+2,386New
Ameritas Investment Partners, Inc.3,439$102.1K0.00%00.0%Unchanged
Public Employees Retirement Association of Colorado3,551$105.0K0.00%00.0%Unchanged
SG Americas Securities, LLC4,380$130.0K0.00%−111,334−96.2%Reduced
Raymond James Financial Inc4,394$130.5K0.00%+4,394New
DekaBank Deutsche Girozentrale4,553$134.0K0.00%00.0%Unchanged
US Bancorp4,826$143.3K0.00%+2,469+104.8%Added
Tower Research Capital LLC (TRC)5,027$149.3K0.00%+3,748+293.0%Added
Barrett & Company, Inc.6,007$178.3K0.07%+8+0.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)6,222$184.7K0.00%00.0%Unchanged
KLP Kapitalforvaltning AS6,700$199.7K0.00%00.0%Unchanged
Graham Capital Management, L.P.7,037$208.9K0.01%−5,416−43.5%Reduced
Virginia Retirement Systems Et Al7,048$209.3K0.00%+7,048New
ProShare Advisors LLC7,230$214.7K0.00%+7,230New
Kestra Advisory Services, LLC7,464$221.6K0.00%+7,464New
Police & Firemen's Retirement System of New Jersey7,721$229.2K0.00%00.0%Unchanged
Personal Cfo Solutions, LLC7,785$231.1K0.04%+7,785New
Janney Montgomery Scott LLC7,933$236.0K0.00%+7,933New
Comerica Bank8,455$251.0K0.00%+1,910+29.2%Added
State Board of Administration of Florida Retirement System9,090$269.9K0.00%00.0%Unchanged
Earnest Partners LLC9,600$285.0K0.00%00.0%Unchanged
Voya Investment Management LLC9,604$285.1K0.00%+106+1.1%Added
Corient IA LLC10,000$296.9K0.17%00.0%Unchanged
Arizona State Retirement System10,611$315.0K0.00%+122+1.2%Added
Tributary Capital Management, LLC10,748$319.1K0.03%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC11,443$344.9K0.00%+11,443New
Cim, LLC13,164$390.8K0.05%+2,152+19.5%Added
Lazard Asset Management LLC13,425$398.0K0.00%+961+7.7%Added
Quantinno Capital Management LP13,883$412.2K0.00%+3,737+36.8%Added
Great West Life Assurance Co13,925$414.0K0.00%00.0%Unchanged
Two Sigma Investments, LP14,031$416.6K0.00%+14,031New
Cynosure Management, LLC14,719$437.0K0.05%−56,868−79.4%Reduced
Bessemer Group Inc14,772$439.0K0.00%+1,763+13.6%Added
State of Wisconsin Investment Board15,081$447.8K0.00%+15,081New
Cerity Partners LLC15,319$454.8K0.00%+15,319New
Avantax Advisory Services, Inc.15,474$459.4K0.00%+3,902+33.7%Added
Snowden Capital Advisors LLC15,515$462.8K0.01%+1,319+9.3%Added
Teacher Retirement System of Texas15,670$465.2K0.00%−3,785−19.5%Reduced
Citigroup Inc15,718$466.7K0.00%−12,842−45.0%Reduced
AdvisorShares Investments LLC16,163$479.9K0.09%−3,037−15.8%Reduced
Aviva PLC16,638$494.0K0.00%−8,150−32.9%Reduced
Neuberger Berman Group LLC16,866$500.8K0.00%+2,569+18.0%Added
Intech Investment Management LLC17,142$508.9K0.00%−8,261−32.5%Reduced
CWM, LLC17,135$509.0K0.00%+6,436+60.2%Added
EntryPoint Capital, LLC17,540$520.8K0.26%+2,979+20.5%Added
Manufacturers Life Insurance Company, The17,996$534.3K0.00%−286−1.6%Reduced
Truist Financial Corp18,820$558.8K0.00%−5,451−22.5%Reduced
Newbridge Financial Services Group, Inc.19,012$564.5K0.09%+18,503+3,635.2%Added
Quest Partners LLC19,178$569.4K0.06%+13,876+261.7%Added
Mirae Asset Global ETFs Holdings Ltd.19,321$573.6K0.00%−1,578−7.6%Reduced
Gabelli Funds LLC20,000$593.8K0.00%00.0%Unchanged