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, Q3 2025
Institutional positions in Napco Security Technologies, Inc as of Sep 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
- 240
- +22 vs. Q2 2025
- Shares held
- 31.8M
- −313.1K (−1.0%) vs. Q2 2025
- Total value
- $1.37B
- +$412.4M (+43.2%) vs. Q2 2025
- New holders
- 50
- 63 more added
- Sold out
- 28
- 93 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 258 | $1.37B |
| Q1 2026 | 271 | $1.37B |
| Q4 2025 | 254 | $1.32B |
| Q3 2025 | 240 | $1.37B |
| Q2 2025 | 221 | $960.1M |
| Q1 2025 | 229 | $729.0M |
| Q4 2024 | 251 | $1.20B |
| Q3 2024 | 263 | $1.36B |
| Q2 2024 | 274 | $1.74B |
| Q1 2024 | 240 | $1.27B |
| Q4 2023 | 191 | $1.02B |
| Q3 2023 | 177 | $636.4M |
| Q2 2023 | 228 | $1.12B |
| Q1 2023 | 196 | $1.13B |
| Q4 2022 | 166 | $763.7M |
| Q3 2022 | 150 | $731.3M |
| Q2 2022 | 117 | $513.5M |
| Q1 2022 | 116 | $502.2M |
| Q4 2021 | 127 | $596.6M |
| Q3 2021 | 109 | $528.1M |
| Q2 2021 | 103 | $449.1M |
| Q1 2021 | 104 | $433.4M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Napco Security Technologies, Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Canada Pension Plan Investment Board | 176,200 | $7.57M | 0.01% | −70,200−28.5% | Reduced |
| Federated Hermes, Inc. | 177,422 | $7.62M | 0.01% | −4,224−2.3% | Reduced |
| Trexquant Investment LP | 181,698 | $7.80M | 0.08% | +94,749+109.0% | Added |
| Emerald Mutual Fund Advisers Trust | 189,495 | $8.14M | 0.42% | −38,357−16.8% | Reduced |
| Voloridge Investment Management, LLC | 197,691 | $8.49M | 0.03% | −121,774−38.1% | Reduced |
| Gamco Investors, Inc. Et Al | 198,000 | $8.50M | 0.08% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 199,536 | $8.57M | 0.00% | −1,110−0.6% | Reduced |
| BNP Paribas Arbitrage, SA | 206,512 | $8.87M | 0.01% | +41,712+25.3% | Added |
| Wasatch Advisors Inc | 217,111 | $9.32M | 0.05% | −3,887−1.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 220,000 | $9.45M | 0.01% | +220,000 | New |
| Alta Capital Management LLC | 224,118 | $9.63M | 0.54% | −18,296−7.5% | Reduced |
| Goldman Sachs Group Inc | 250,574 | $10.8M | 0.00% | −161,711−39.2% | Reduced |
| Bank of America Corp | 251,326 | $10.8M | 0.00% | +1,162+0.5% | Added |
| JPMorgan Chase & Co | 257,403 | $11.1M | 0.00% | −340,149−56.9% | Reduced |
| Visionary Wealth Advisors | 258,559 | $11.1M | 0.52% | −7,700−2.9% | Reduced |
| Granite Investment Partners, LLC | 297,704 | $12.8M | 0.73% | −49,466−14.2% | Reduced |
| Charles Schwab Investment Management Inc | 306,491 | $13.2M | 0.00% | −28,178−8.4% | Reduced |
| Renaissance Technologies LLC | 315,100 | $13.5M | 0.02% | +16,300+5.5% | Added |
| AQR Capital Management LLC | 331,506 | $14.2M | 0.01% | +23,627+7.7% | Added |
| Rockefeller Capital Management L.P. | 348,576 | $15.0M | 0.03% | −35,973−9.4% | Reduced |
| Deutsche Bank AG | 367,331 | $15.8M | 0.01% | +342,882+1,402.4% | Added |
| Morgan Stanley | 380,594 | $16.3M | 0.00% | −219,920−36.6% | Reduced |
| Qube Research & Technologies Ltd | 420,808 | $18.1M | 0.03% | −41,942−9.1% | Reduced |
| Envestnet Asset Management Inc | 422,097 | $18.1M | 0.01% | −221,251−34.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 438,327 | $18.8M | 0.07% | +8,004+1.9% | Added |
| Emerald Advisers, LLC | 466,165 | $20.0M | 0.64% | −53,595−10.3% | Reduced |
| First Trust Advisors LP | 565,894 | $24.3M | 0.02% | +565,894 | New |
| Northern Trust Corp | 640,317 | $27.5M | 0.00% | −2,098−0.3% | Reduced |
| Royal Bank of Canada | 646,264 | $27.8M | 0.00% | −157,701−19.6% | Reduced |
| Dimensional Fund Advisors LP | 678,085 | $29.1M | 0.01% | −41,260−5.7% | Reduced |
| State Street Corp | 783,820 | $33.8M | 0.00% | −29,844−3.7% | Reduced |
| Arrowstreet Capital, Limited Partnership | 861,141 | $37.0M | 0.02% | +749,065+668.4% | Added |
| Wellington Management Group LLP | 1,008,857 | $43.3M | 0.01% | −30,365−2.9% | Reduced |
| Geode Capital Management, LLC | 1,024,539 | $44.0M | 0.00% | −7,008−0.7% | Reduced |
| Doma Perpetual Capital Management LLC | 1,165,347 | $50.1M | 16.81% | −10,308−0.9% | Reduced |
| Copeland Capital Management, LLC | 1,497,512 | $64.3M | 1.34% | −88,172−5.6% | Reduced |
| Janus Henderson Group PLC | 1,524,270 | $65.5M | 0.03% | +55,584+3.8% | Added |
| Fundsmith LLPSuperinvestorFundsmith | 1,779,857 | $76.4M | 0.39% | +824,945+86.4% | Added |
| Vanguard Group Inc | 2,850,419 | $122.4M | 0.00% | −9,016−0.3% | Reduced |
| BlackRock, Inc. | 2,883,885 | $123.9M | 0.00% | −114,716−3.8% | Reduced |
| United Capital Financial Advisers, LLC | 0 | $0 | 0.00% | −207,112−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −162,800−100.0% | Sold out |
| SG Capital Management LLC | 0 | $0 | 0.00% | −154,726−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −76,681−100.0% | Sold out |
| Taylor Frigon Capital Management LLC | 0 | $0 | 0.00% | −62,461−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −37,233−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −26,746−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −24,575−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −22,065−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −19,012−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −17,540−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −15,081−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −14,031−100.0% | Sold out |
| Corient IA LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −7,933−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −7,037−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −4,394−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −2,386−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −2,040−100.0% | Sold out |
| Quaker Wealth Management, LLC | 0 | $0 | 0.00% | −1,050−100.0% | Sold out |
| Maseco LLP | 0 | $0 | 0.00% | −585−100.0% | Sold out |
| Retirement Wealth Solutions LLC | 0 | $0 | 0.00% | −517−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −251−100.0% | Sold out |
| Whipplewood Advisors, LLC | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Mount Yale Investment Advisors, LLC | 0 | $0 | 0.00% | −66−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −66−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −49−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |
| Avantax Advisory Services, Inc. | – | – | – | – | Not filed |
| First Horizon Advisors, Inc. | – | – | – | – | Not filed |