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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 2024

Institutional positions in Napco Security Technologies, Inc as of Mar 31, 2024. 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
240
+50 vs. Q4 2023
Shares held
31.6M
+1.98M (+6.7%) vs. Q4 2023
Total value
$1.27B
+$253.6M (+25.0%) vs. Q4 2023
New holders
69
71 more added
Sold out
19
62 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 2024: 240 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 2024: $1.27B
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 2024

Shares, value and share of portfolio for each institution holding Napco Security Technologies, Inc; share changes are against Q4 2023.

Institutions holding NSSC in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Divisadero Street Capital Management, LP180,966$7.27M1.71%−478,532−72.6%Reduced
Citadel Advisors LLC188,866$7.58M0.01%+160,240+559.8%Added
Bank of New York Mellon Corp192,127$7.72M0.00%−10,795−5.3%Reduced
Doma Perpetual Capital Management LLC199,514$8.01M5.33%00.0%Unchanged
Marshall Wace, LLP203,817$8.19M0.01%+136,381+202.2%Added
Voloridge Investment Management, LLC205,260$8.24M0.03%+191,344+1,375.0%Added
Rice Hall James & Associates, LLC205,267$8.24M0.47%−9,540−4.4%Reduced
Gamco Investors, Inc. Et Al206,700$8.30M0.08%−1,300−0.6%Reduced
Renaissance Technologies LLC208,200$8.36M0.01%+208,200New
Emerald Advisers, LLC223,794$8.99M0.36%+1,351+0.6%Added
Nuveen Asset Management, LLC228,733$9.19M0.00%−37,484−14.1%Reduced
Annex Advisory Services, LLC234,594$9.42M0.33%+200,494+588.0%Added
Charles Schwab Investment Management Inc240,075$9.64M0.00%+4,175+1.8%Added
Visionary Wealth Advisors278,553$11.2M0.76%−866−0.3%Reduced
Voya Investment Management LLC283,689$11.4M0.01%+270,604+2,068.0%Added
Envestnet Asset Management Inc284,172$11.4M0.00%+9,680+3.5%Added
Polar Asset Management Partners Inc.285,996$11.5M0.31%−90,400−24.0%Reduced
Ziegler Capital Management, LLC291,145$11.7M0.45%+199,366+217.2%Added
Kennedy Capital Management, Inc.297,514$11.9M0.25%−165,151−35.7%Reduced
Morgan Stanley322,831$13.0M0.00%+161,534+100.1%Added
Royce & Associates LP404,000$16.2M0.14%+307,000+316.5%Added
Wasatch Advisors Inc423,057$17.0M0.09%−148,359−26.0%Reduced
Alta Capital Management LLC440,974$17.7M1.09%−16,495−3.6%Reduced
Handelsbanken Fonder AB500,000$20.1M0.09%−70,000−12.3%Reduced
Royal Bank of Canada522,847$21.0M0.01%−13,429−2.5%Reduced
Northern Trust Corp588,734$23.6M0.00%+12,727+2.2%Added
Granite Investment Partners, LLC665,420$26.7M1.02%−8,634−1.3%Reduced
Wellington Management Group LLP670,845$26.9M0.00%−20,303−2.9%Reduced
State Street Corp726,905$29.2M0.00%+30,829+4.4%Added
Next Century Growth Investors LLC736,807$29.6M2.57%+12,786+1.8%Added
Geode Capital Management, LLC763,726$30.7M0.00%+28,918+3.9%Added
Standard Life Aberdeen plc883,726$35.5M0.07%00.0%Unchanged
Janus Henderson Group PLC933,537$37.5M0.02%+1,860+0.2%Added
GW&K Investment Management, LLC933,820$37.5M0.33%−215,654−18.8%Reduced
Dimensional Fund Advisors LP1,187,485$47.7M0.01%−2,374−0.2%Reduced
FIL Ltd1,468,328$59.0M0.06%00.0%Unchanged
FMR LLC1,621,103$65.1M0.00%+75,351+4.9%Added
T. Rowe Price Investment Management, Inc.2,216,803$89.0M0.05%+107,591+5.1%Added
BlackRock Inc.2,444,880$98.2M0.00%−58,239−2.3%Reduced
Vanguard Group Inc2,556,134$102.7M0.00%+102,010+4.2%Added
SG Capital Management LLC0$00.00%−145,079−100.0%Sold out
Beacon Pointe Advisors, LLC0$00.00%−20,704−100.0%Sold out
Calton & Associates, Inc.0$00.00%−15,208−100.0%Sold out
Cipher Capital LP0$00.00%−13,965−100.0%Sold out
Blair William & Co0$00.00%−13,486−100.0%Sold out
Wealth Enhancement Advisory Services, LLC0$00.00%−10,831−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−9,813−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−9,561−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−9,090−100.0%Sold out
SkyOak Wealth, LLC0$00.00%−8,997−100.0%Sold out
Mesirow Financial Investment Management, Inc.0$00.00%−8,734−100.0%Sold out
Captrust Financial Advisors0$00.00%−8,139−100.0%Sold out
Spire Wealth Management0$00.00%−4,551−100.0%Sold out
West Tower Group, LLC0$00.00%−2,732−100.0%Sold out
Advisory Services Network, LLC0$00.00%−500−100.0%Sold out
Johnson Financial Group, Inc.0$00.00%−435−100.0%Sold out
Orion Capital Management LLC0$00.00%−300−100.0%Sold out
AJOVista, LLC0$00.00%−288−100.0%Sold out
Cutler Group LP0$00.00%−121−100.0%Sold out
Watershed Asset Management, L.L.C.––––Not filed