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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
Franklin Resources Inc20,170$598.8K0.00%+125+0.6%Added
Creative Planning20,963$622.4K0.00%+4,535+27.6%Added
MetLife Investment Management21,106$626.6K0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.21,561$640.0K0.00%+140+0.7%Added
Magnetar Financial LLC22,065$655.1K0.00%+8,174+58.8%Added
Sentinel Pension Advisors Inc22,084$655.7K0.11%+22,084New
Wells Fargo & Company22,187$658.7K0.00%−32,311−59.3%Reduced
Price T Rowe Associates Inc23,152$688.0K0.00%+2,288+11.0%Added
Two Sigma Advisers, LP23,400$694.7K0.00%+23,400New
Gsa Capital Partners LLP24,103$716.0K0.05%−11,862−33.0%Reduced
Raffles Associates LP24,424$725.1K0.76%−3,000−10.9%Reduced
Deutsche Bank AG24,449$725.9K0.00%−149,493−85.9%Reduced
Caxton Associates LLP24,575$729.6K0.02%+24,575New
Nebula Research & Development LLC26,746$794.1K0.07%−2,706−9.2%Reduced
Brevan Howard Capital Management LP27,334$811.5K0.01%+27,334New
Legato Capital Management LLC27,474$815.7K0.10%00.0%Unchanged
Gotham Asset Management, LLC27,537$817.6K0.00%+4,111+17.5%Added
Heritage Investors Management Corp29,097$864.0K0.03%00.0%Unchanged
GW&K Investment Management, LLC30,488$905.0K0.01%−412,571−93.1%Reduced
Pathstone Holdings, LLC32,004$950.2K0.00%+14,954+87.7%Added
Principal Financial Group Inc33,387$991.3K0.00%+12,041+56.4%Added
California State Teachers Retirement System33,974$1.01M0.00%−376−1.1%Reduced
Alliancebernstein L.P.36,352$1.08M0.00%−674−1.8%Reduced
Balyasny Asset Management LLC37,233$1.11M0.00%+24,674+196.5%Added
Ieq Capital, LLC37,417$1.11M0.01%+13,021+53.4%Added
Invesco Ltd.38,159$1.13M0.00%−2,857−7.0%Reduced
LPL Financial LLC39,009$1.16M0.00%−3,764−8.8%Reduced
Linden Thomas Advisory Services, LLC40,971$1.22M0.13%+13,790+50.7%Added
Teachers Retirement System of the State of Kentucky43,112$1.28M0.01%+6,093+16.5%Added
Legal & General Group Plc43,507$1.29M0.00%+2,310+5.6%Added
Numerai GP LLC45,851$1.36M0.20%+24,988+119.8%Added
HRT Financial LP49,625$1.47M0.01%+16,478+49.7%Added
Susquehanna International Group, LLP51,698$1.53M0.00%−6,913−11.8%Reduced
XTX Topco Ltd52,897$1.57M0.07%+33,358+170.7%Added
Rhumbline Advisers52,941$1.57M0.00%+2,495+4.9%Added
Engineers Gate Manager LP53,355$1.58M0.02%+23,998+81.7%Added
Hennion & Walsh Asset Management, Inc.56,218$1.67M0.07%+1,736+3.2%Added
Laurus Investment Counsel Inc.62,360$1.85M1.21%−17,200−21.6%Reduced
Taylor Frigon Capital Management LLC62,461$1.85M0.99%−4,022−6.0%Reduced
Deprince Race & Zollo Inc62,639$1.86M0.04%−5,238−7.7%Reduced
Barclays PLC69,380$2.06M0.00%+21,833+45.9%Added
Swiss National Bank69,500$2.06M0.00%−1,600−2.3%Reduced
New York State Common Retirement Fund74,963$2.23M0.00%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd75,432$2.24M0.05%+32,077+74.0%Added
Nuveen, LLC76,534$2.27M0.00%−15,874−17.2%Reduced
Jane Street Group, LLC76,681$2.28M0.00%−21,540−21.9%Reduced
Man Group plc77,447$2.30M0.00%+1,832+2.4%Added
Point72 Asset Management, L.P.78,694$2.34M0.01%−224,907−74.1%Reduced
First National Advisers, LLC82,414$2.45M0.36%+1,085+1.3%Added
SEI Investments Co82,462$2.45M0.00%+27,313+49.5%Added
Hantz Financial Services, Inc.86,354$2.56M0.04%−44,504−34.0%Reduced
First National Bank of Omaha86,564$2.57M0.17%−213−0.2%Reduced
Trexquant Investment LP86,949$2.58M0.03%+21,815+33.5%Added
American Century Companies Inc88,226$2.62M0.00%+3,995+4.7%Added
Allianz Asset Management GmbH88,308$2.62M0.00%−13,200−13.0%Reduced
UBS Asset Management Americas Inc90,013$2.67M0.00%+23,554+35.4%Added
Jump Financial, LLC96,775$2.87M0.04%+42,590+78.6%Added
Stifel Financial Corp106,315$3.16M0.00%+15,455+17.0%Added
Voleon Capital Management LP106,742$3.17M0.17%+10,894+11.4%Added
Divisadero Street Capital Management, LP111,566$3.31M0.22%00.0%Unchanged
Arrowstreet Capital, Limited Partnership112,076$3.33M0.00%+112,076New
Citadel Advisors LLC112,738$3.35M0.00%+60,782+117.0%Added
Verition Fund Management LLC116,958$3.47M0.02%+53,106+83.2%Added
Isthmus Partners, LLC117,032$3.47M0.41%+14,652+14.3%Added
Bridge City Capital, LLC118,215$3.51M0.98%−1,678−1.4%Reduced
UBS Group AG120,590$3.58M0.00%+14,262+13.4%Added
Uniplan Investment Counsel, Inc.122,959$3.65M0.37%−8,025−6.1%Reduced
Redmond Asset Management, LLC129,625$3.85M0.92%−1,915−1.5%Reduced
Russell Investments Group, Ltd.130,828$3.88M0.00%+20,762+18.9%Added
McMorgan & Co LLC131,073$3.89M0.57%+38,114+41.0%Added
HighTower Advisors, LLC132,920$3.95M0.00%−1,025−0.8%Reduced
PDT Partners, LLC153,596$4.56M0.26%+22,474+17.1%Added
SG Capital Management LLC154,726$4.59M0.39%+154,726New
Healthcare of Ontario Pension Plan Trust Fund162,800$4.83M0.01%−33,500−17.1%Reduced
BNP Paribas Arbitrage, SA164,800$4.89M0.00%+19,467+13.4%Added
Marshall Wace, LLP166,509$4.94M0.01%+132,075+383.6%Added
Kornitzer Capital Management Inc173,580$5.15M0.10%−101,390−36.9%Reduced
Federated Hermes, Inc.181,646$5.39M0.01%−3,857−2.1%Reduced
Rice Hall James & Associates, LLC186,357$5.53M0.30%−8,472−4.3%Reduced
D. E. Shaw & Co., Inc.186,816$5.55M0.01%+186,816New
Tudor Investment Corp Et Al197,433$5.86M0.04%+197,433New
Gamco Investors, Inc. Et Al198,000$5.88M0.06%−5,000−2.5%Reduced
Bank of New York Mellon Corp200,646$5.96M0.00%+1,015+0.5%Added
Norges Bank200,835$5.96M0.00%+177,900+775.7%Added
Algert Global LLC202,002$6.00M0.13%+18,353+10.0%Added
United Capital Financial Advisers, LLC207,112$6.15M0.05%−2,587−1.2%Reduced
Wasatch Advisors Inc220,998$6.56M0.03%+220,998New
Emerald Mutual Fund Advisers Trust227,852$6.76M0.41%+6,678+3.0%Added
Alta Capital Management LLC242,414$7.20M0.41%−165,577−40.6%Reduced
Canada Pension Plan Investment Board246,400$7.32M0.01%+187,600+319.0%Added
Bank of America Corp250,164$7.43M0.00%−33,725−11.9%Reduced
Congress Asset Management Co262,494$7.79M0.05%−16,302−5.8%Reduced
Visionary Wealth Advisors266,259$7.91M0.40%−1100.0%Reduced
CenterBook Partners LP272,892$8.10M0.45%−83,263−23.4%Reduced
Renaissance Technologies LLC298,800$8.87M0.01%+45,700+18.1%Added
AQR Capital Management LLC307,879$9.14M0.01%+21,823+7.6%Added
Voloridge Investment Management, LLC319,465$9.48M0.03%−163,355−33.8%Reduced
Millennium Management LLC325,414$9.66M0.01%−444,375−57.7%Reduced
Charles Schwab Investment Management Inc334,669$9.94M0.00%−11,892−3.4%Reduced
Granite Investment Partners, LLC347,170$10.3M0.50%−27,011−7.2%Reduced