Skip to main content

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
Rockefeller Capital Management L.P.384,549$11.4M0.03%+15,770+4.3%Added
Goldman Sachs Group Inc412,285$12.2M0.00%−177,005−30.0%Reduced
Jacobs Levy Equity Management, Inc430,323$12.8M0.05%+221,854+106.4%Added
FMR LLC431,246$12.8M0.00%−662,799−60.6%Reduced
Qube Research & Technologies Ltd462,750$13.7M0.02%+112,895+32.3%Added
Emerald Advisers, LLC519,760$15.4M0.57%+111,275+27.2%Added
JPMorgan Chase & Co597,552$17.7M0.00%+46,668+8.5%Added
Morgan Stanley600,514$17.8M0.00%+20,194+3.5%Added
Northern Trust Corp642,415$19.1M0.00%−30,846−4.6%Reduced
Envestnet Asset Management Inc643,348$19.1M0.01%−69,326−9.7%Reduced
Dimensional Fund Advisors LP719,345$21.4M0.00%−131,500−15.5%Reduced
Royal Bank of Canada803,965$23.9M0.00%+76,597+10.5%Added
State Street Corp813,664$24.3M0.00%−777−0.1%Reduced
Fundsmith LLPSuperinvestorFundsmith954,912$28.4M0.12%+954,912New
Geode Capital Management, LLC1,031,547$30.6M0.00%+14,501+1.4%Added
Wellington Management Group LLP1,039,222$30.9M0.01%+389,904+60.0%Added
Doma Perpetual Capital Management LLC1,175,655$34.9M13.22%00.0%Unchanged
Janus Henderson Group PLC1,468,686$43.6M0.02%+501,254+51.8%Added
Copeland Capital Management, LLC1,585,684$47.1M0.97%+91,756+6.1%Added
Vanguard Group Inc2,859,435$84.9M0.00%−42,236−1.5%Reduced
BlackRock, Inc.2,998,601$89.0M0.00%−42,829−1.4%Reduced
Squarepoint Ops LLC0$00.00%−115,473−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−83,878−100.0%Sold out
Walleye Capital LLC0$00.00%−77,300−100.0%Sold out
TownSquare Capital, LLC0$00.00%−74,885−100.0%Sold out
Moody Aldrich Partners LLC0$00.00%−62,464−100.0%Sold out
Victory Capital Management Inc0$00.00%−51,653−100.0%Sold out
Quantbot Technologies LP0$00.00%−51,531−100.0%Sold out
Semanteon Capital Management, LP0$00.00%−50,041−100.0%Sold out
Thrivent Financial for Lutherans0$00.00%−28,593−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−26,232−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−23,474−100.0%Sold out
Twinbeech Capital LP0$00.00%−20,666−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−18,577−100.0%Sold out
Jain Global LLC0$00.00%−17,812−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−17,249−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−13,770−100.0%Sold out
Shaker Investments LLC0$00.00%−13,737−100.0%Sold out
Wallace Advisory Group, LLC0$00.00%−7,652−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−10,700−100.0%Sold out
First Trust Advisors LP0$00.00%−8,696−100.0%Sold out
State of Wyoming0$00.00%−8,587−100.0%Sold out
Point72 Asia (Singapore) Pte. Ltd.0$00.00%−4,745−100.0%Sold out
Acadian Asset Management LLC0$00.00%−3,991−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−2,481−100.0%Sold out
KBC Group NV0$00.00%−2,049−100.0%Sold out
Catalyst Capital Advisors LLC0$00.00%−1,875−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−607−100.0%Sold out
Amundi0$00.00%−601−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−439−100.0%Sold out
Cornerstone Planning Group LLC0$00.00%−150−100.0%Sold out
Massmutual Trust Co FSB0$00.00%−90−100.0%Sold out
CIBC Private Wealth Group, LLC0$00.00%−98−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−78−100.0%Sold out
Larson Financial Group LLC0$00.00%−37−100.0%Sold out
TD Private Client Wealth LLC0$00.00%−29−100.0%Sold out
Highline Wealth Partners LLC0$00.00%−20−100.0%Sold out
Stephens Consulting, LLC0$00.00%−15−100.0%Sold out
Creative Financial Designs Inc0$00.00%−14−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−6−100.0%Sold out
Simplex Trading, LLC0$00.00%−24−100.0%Sold out
Lindbrook Capital, LLC––––Not filed