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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 2026

Institutional positions in Napco Security Technologies, Inc as of Jun 30, 2026. 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
258
−8 vs. Q1 2026
Shares held
36.1M
+2.90M (+8.7%) vs. Q1 2026
Total value
$1.37B
+$63.2M (+4.8%) vs. Q1 2026
New holders
29
106 more added
Sold out
37
91 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 258 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 2026: $1.37B
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 2026

Shares, value and share of portfolio for each institution holding Napco Security Technologies, Inc; share changes are against Q1 2026.

Institutions holding NSSC in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Keating Financial Advisory Services, Inc.1$380.00%−27−96.4%Reduced
Larson Financial Group LLC1$380.00%+1New
GHP Investment Advisors, Inc.2$760.00%00.0%Unchanged
Davis Capital Management2$760.00%+2New
Silver Grove Financial Group, Inc.2$760.00%+2New
Abound Wealth Management4$1520.00%00.0%Unchanged
Rosenberg Matthew Hamilton7$2660.00%00.0%Unchanged
JFS Wealth Advisors, LLC10$3820.00%+10New
Caitong International Asset Management Co., Ltd15$5700.00%+5+50.0%Added
Farmers & Merchants Investments Inc20$7600.00%00.0%Unchanged
Covestor Ltd23$1.00K0.00%+8+53.3%Added
Umb Bank N A27$1.02K0.00%+10+58.8%Added
Westfuller Advisors, LLC28$1.05K0.00%+1+3.7%Added
Northwestern Mutual Wealth Management Co35$1.33K0.00%+35New
CoreCap Advisors, LLC42$1.59K0.00%+42New
Cornerstone Financial Management LLC44$1.67K0.00%00.0%Unchanged
Quarry LP45$1.71K0.00%+45New
Assetmark, Inc50$1.90K0.00%00.0%Unchanged
Globeflex Capital L P50$1.90K0.00%+50New
Massmutual Trust Co FSB55$2.09K0.00%+55New
Smartleaf Asset Management LLC61$2.27K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC67$2.54K0.00%00.0%Unchanged
SBI Securities Co., Ltd.69$2.62K0.00%−21−23.3%Reduced
Rothschild Investment LLC85$3.23K0.00%−12−12.4%Reduced
True Wealth Design, LLC93$3.53K0.00%−10−9.7%Reduced
TD Private Client Wealth LLC95$3.61K0.00%+15+18.8%Added
Wolff Wiese Magana LLC100$3.80K0.00%00.0%Unchanged
Parallel Advisors, LLC106$4.03K0.00%00.0%Unchanged
Clear Street Markets LLC109$4.14K0.00%+109New
Sterling Capital Management LLC123$4.67K0.00%−101−45.1%Reduced
Brown Brothers Harriman & Co139$5.28K0.00%−218−61.1%Reduced
Synergy Investment Management, LLC152$5.53K0.00%+152New
Ameriflex Group, Inc.171$6.50K0.00%+171New
WPG Advisers, LLC179$6.80K0.00%00.0%Unchanged
Financial Network Wealth Advisors LLC205$7.79K0.01%−16−7.2%Reduced
Optiver Holding B.V.216$8.20K0.00%+216New
Institute for Wealth Management, LLC.224$8.51K0.00%+224New
Essential Partners LLC312$11.8K0.01%−929−74.9%Reduced
Allworth Financial LP318$12.1K0.00%−11−3.3%Reduced
First Horizon Corp329$12.5K0.00%−316−49.0%Reduced
Aster Capital Management (DIFC) Ltd373$14.2K0.00%+373New
Financial Management Professionals, Inc.387$14.8K0.00%00.0%Unchanged
Signaturefd, LLC402$15.3K0.00%−420−51.1%Reduced
Exchange Traded Concepts, LLC497$18.9K0.00%−18−3.5%Reduced
Centerpoint Advisors, LLC537$20.0K0.01%+85+18.8%Added
US Bancorp536$20.4K0.00%−14−2.5%Reduced
IFP Advisors, Inc563$21.4K0.00%−219−28.0%Reduced
Truvestments Capital LLC568$21.6K0.00%+1+0.2%Added
Pinnacle Wealth Planning Services, Inc.582$22.1K0.00%+515+768.7%Added
Farther Finance Advisors, LLC583$22.1K0.00%−413−41.5%Reduced
Cornerstone Planning Group LLC666$23.7K0.00%+23+3.6%Added
Federation des caisses Desjardins du Quebec746$28.3K0.00%00.0%Unchanged
Parkside Financial Bank & Trust747$28.4K0.00%00.0%Unchanged
Jones Financial Companies LLLP777$29.0K0.00%+149+23.7%Added
MPWM Advisory Solutions, LLC805$30.6K0.01%00.0%Unchanged
Ronald Blue Trust, Inc.811$30.8K0.00%−297−26.8%Reduced
EverSource Wealth Advisors, LLC823$31.3K0.00%−48−5.5%Reduced
Advisor Group Holdings, Inc.898$34.2K0.00%−520−36.7%Reduced
GAMMA Investing LLC959$36.4K0.00%−82−7.9%Reduced
New York State Teachers Retirement System990$38.0K0.00%+990New
Versant Capital Management, Inc1,131$43.0K0.00%−14−1.2%Reduced
Tower Research Capital LLC (TRC)1,377$52.3K0.00%−1,222−47.0%Reduced
Huntington National Bank1,394$52.9K0.00%+1,393+139,300.0%Added
Nisa Investment Advisors, LLC1,922$73.3K0.00%+1,288+203.2%Added
Ameritas Investment Partners, Inc.3,166$120.2K0.00%+281+9.7%Added
The PNC Financial Services Group, Inc.3,201$121.6K0.00%−2,411−43.0%Reduced
Global Retirement Partners, LLC3,301$125.4K0.00%+3,301New
FMR LLC3,360$127.6K0.00%−367−9.8%Reduced
Public Employees Retirement Association of Colorado3,551$135.0K0.00%00.0%Unchanged
Pacer Advisors, Inc.4,436$168.0K0.00%−1,815−29.0%Reduced
DekaBank Deutsche Girozentrale4,553$175.0K0.00%00.0%Unchanged
Kemnay Advisory Services Inc.4,729$179.6K0.02%+2,384+101.7%Added
Barrett & Company, Inc.5,351$203.2K0.06%−671−11.1%Reduced
Cornerstone Investment Partners, LLC5,379$204.3K0.01%−253−4.5%Reduced
Green Square Capital Advisors LLC5,553$210.9K0.02%−56−1.0%Reduced
Horizon Investment Services, LLC5,845$222.0K0.06%+5,845New
Pictet Asset Management Holding SA6,132$232.9K0.00%00.0%Unchanged
Universal- Beteiligungs- und Servicegesellschaft mbH6,465$245.5K0.00%+666+11.5%Added
Quantbot Technologies LP6,636$252.0K0.01%+4,821+265.6%Added
Voya Investment Management LLC6,791$257.9K0.00%+847+14.2%Added
SkyOak Wealth, LLC7,036$267.2K0.04%+874+14.2%Added
SRS Capital Advisors, Inc.7,211$273.9K0.00%+5,809+414.3%Added
Mitsubishi UFJ Trust & Banking Corp7,587$288.2K0.00%+7,587New
McMorgan & Co LLC7,661$291.0K0.04%−90−1.2%Reduced
State of Wyoming7,900$300.0K0.03%−3,443−30.4%Reduced
EntryPoint Capital, LLC8,032$305.1K0.07%+8,032New
Vanguard Investments Australia, Ltd.8,036$305.2K0.00%00.0%Unchanged
Personal Cfo Solutions, LLC8,033$306.3K0.04%+183+2.3%Added
Corient IA LLC8,070$306.5K0.28%00.0%Unchanged
Entropy Technologies, LP8,078$306.8K0.01%+8,078New
Oregon Public Employees Retirement Fund8,100$307.6K0.00%−100−1.2%Reduced
Intech Investment Management LLC8,331$316.4K0.00%−1,854−18.2%Reduced
Snowden Capital Advisors LLC8,377$319.4K0.01%−2,126−20.2%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys8,472$321.8K0.00%−348−3.9%Reduced
Two Sigma Securities, LLC8,548$324.7K0.03%+8,548New
Freestone Grove Partners LP8,814$334.8K0.00%+287+3.4%Added
State Board of Administration of Florida Retirement System9,090$345.2K0.00%−23,039−71.7%Reduced
Sentinel Pension Advisors Inc10,046$362.9K0.05%00.0%Unchanged
Yousif Capital Management, LLC9,566$363.3K0.00%+11+0.1%Added
Amalgamated Bank9,574$364.0K0.00%−658−6.4%Reduced