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, Q4 2025
Institutional positions in Napco Security Technologies, Inc as of Dec 31, 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
- 254
- +18 vs. Q3 2025
- Shares held
- 31.6M
- −198.2K (−0.6%) vs. Q3 2025
- Total value
- $1.32B
- −$48.0M (−3.5%) vs. Q3 2025
- New holders
- 38
- 78 more added
- Sold out
- 20
- 98 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Napco Security Technologies, Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Man Group plc | 119,324 | $4.98M | 0.01% | +28,055+30.7% | Added |
| Uniplan Investment Counsel, Inc. | 120,416 | $5.02M | 0.50% | −319−0.3% | Reduced |
| Isthmus Partners, LLC | 121,917 | $5.08M | 0.56% | −428−0.3% | Reduced |
| HighTower Advisors, LLC | 122,855 | $5.12M | 0.01% | +1,033+0.8% | Added |
| PDT Partners, LLC | 124,614 | $5.20M | 0.34% | 00.0% | Unchanged |
| Redmond Asset Management, LLC | 125,327 | $5.23M | 1.33% | −2,267−1.8% | Reduced |
| Danske Bank A/S | 130,235 | $5.43M | 0.01% | −910−0.7% | Reduced |
| UBS Asset Management Americas Inc | 131,083 | $5.47M | 0.00% | +81,529+164.5% | Added |
| Trexquant Investment LP | 132,041 | $5.51M | 0.05% | −49,657−27.3% | Reduced |
| CenterBook Partners LP | 133,350 | $5.56M | 0.27% | +3,285+2.5% | Added |
| Citadel Advisors LLC | 142,545 | $5.94M | 0.00% | −20,250−12.4% | Reduced |
| Rice Hall James & Associates, LLC | 144,925 | $6.04M | 0.33% | −11,443−7.3% | Reduced |
| Russell Investments Group, Ltd. | 146,957 | $6.13M | 0.01% | +5,616+4.0% | Added |
| Algert Global LLC | 157,265 | $6.56M | 0.10% | +22,030+16.3% | Added |
| Kornitzer Capital Management Inc | 170,304 | $7.10M | 0.15% | −3,276−1.9% | Reduced |
| Canada Pension Plan Investment Board | 177,100 | $7.39M | 0.00% | +900+0.5% | Added |
| Congress Asset Management Co | 181,393 | $7.56M | 0.05% | +6,055+3.5% | Added |
| Captrust Financial Advisors | 185,462 | $7.73M | 0.01% | +185,462 | New |
| Voloridge Investment Management, LLC | 185,645 | $7.74M | 0.03% | −12,046−6.1% | Reduced |
| Gamco Investors, Inc. Et Al | 188,400 | $7.86M | 0.08% | −9,600−4.8% | Reduced |
| Alta Capital Management LLC | 199,666 | $8.33M | 0.55% | −24,452−10.9% | Reduced |
| Tudor Investment Corp Et Al | 200,489 | $8.36M | 0.05% | +111,277+124.7% | Added |
| Bank of New York Mellon Corp | 215,960 | $9.01M | 0.00% | +16,424+8.2% | Added |
| Wasatch Advisors Inc | 219,113 | $9.14M | 0.05% | +2,002+0.9% | Added |
| BNP Paribas Arbitrage, SA | 219,884 | $9.17M | 0.01% | +13,372+6.5% | Added |
| Adage Capital Partners GP, L.L.C. | 243,510 | $10.2M | 0.02% | +23,510+10.7% | Added |
| Point72 Asset Management, L.P. | 257,840 | $10.8M | 0.02% | +130,599+102.6% | Added |
| Visionary Wealth Advisors | 262,462 | $10.9M | 0.49% | +3,903+1.5% | Added |
| Federated Hermes, Inc. | 262,496 | $10.9M | 0.02% | +85,074+48.0% | Added |
| Granite Investment Partners, LLC | 280,881 | $11.7M | 0.69% | −16,823−5.7% | Reduced |
| AQR Capital Management LLC | 297,027 | $12.4M | 0.01% | −34,479−10.4% | Reduced |
| Goldman Sachs Group Inc | 310,269 | $12.9M | 0.00% | +59,695+23.8% | Added |
| Bank of America Corp | 310,600 | $13.0M | 0.00% | +59,274+23.6% | Added |
| Charles Schwab Investment Management Inc | 314,842 | $13.1M | 0.00% | +8,351+2.7% | Added |
| Renaissance Technologies LLC | 333,200 | $13.9M | 0.02% | +18,100+5.7% | Added |
| Envestnet Asset Management Inc | 365,742 | $15.3M | 0.00% | −56,355−13.4% | Reduced |
| Qube Research & Technologies Ltd | 376,227 | $15.7M | 0.02% | −44,581−10.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 414,990 | $17.3M | 0.07% | −23,337−5.3% | Reduced |
| Morgan Stanley | 423,516 | $17.7M | 0.00% | +42,922+11.3% | Added |
| Royal Bank of Canada | 580,557 | $24.2M | 0.00% | −65,707−10.2% | Reduced |
| Northern Trust Corp | 597,918 | $24.9M | 0.00% | −42,399−6.6% | Reduced |
| Doma Perpetual Capital Management LLC | 627,931 | $26.2M | 7.36% | −537,416−46.1% | Reduced |
| Dimensional Fund Advisors LP | 671,243 | $28.0M | 0.01% | −6,842−1.0% | Reduced |
| First Trust Advisors LP | 714,382 | $29.8M | 0.02% | +148,488+26.2% | Added |
| Divisadero Street Capital Management, LP | 809,729 | $33.8M | 1.92% | +698,163+625.8% | Added |
| Arrowstreet Capital, Limited Partnership | 864,022 | $36.0M | 0.02% | +2,881+0.3% | Added |
| Wellington Management Group LLP | 879,298 | $36.7M | 0.01% | −129,559−12.8% | Reduced |
| State Street Corp | 896,315 | $37.5M | 0.00% | +112,495+14.4% | Added |
| Geode Capital Management, LLC | 1,028,863 | $42.9M | 0.00% | +4,324+0.4% | Added |
| Copeland Capital Management, LLC | 1,420,792 | $59.2M | 1.32% | −76,720−5.1% | Reduced |
| Janus Henderson Group PLC | 1,569,363 | $65.5M | 0.03% | +45,093+3.0% | Added |
| Fundsmith LLPSuperinvestorFundsmith | 1,779,857 | $74.2M | 0.43% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,882,063 | $120.2M | 0.00% | +31,644+1.1% | Added |
| BlackRock, Inc. | 3,224,505 | $134.5M | 0.00% | +340,620+11.8% | Added |
| Emerald Advisers, LLC | 0 | $0 | 0.00% | −466,165−100.0% | Sold out |
| Emerald Mutual Fund Advisers Trust | 0 | $0 | 0.00% | −189,495−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −41,303−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −23,581−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −16,062−100.0% | Sold out |
| AdvisorShares Investments LLC | 0 | $0 | 0.00% | −15,961−100.0% | Sold out |
| Cynosure Management, LLC | 0 | $0 | 0.00% | −14,719−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −9,328−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −7,287−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −6,880−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −6,115−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −5,621−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −4,699−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −959−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −419−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −332−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −168−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Binnacle Investments Inc | – | – | – | – | Not filed |
| Point72 Hong Kong Ltd | – | – | – | – | Not filed |
| Creekmur Asset Management LLC | – | – | – | – | Not filed |
| Hemington Wealth Management | – | – | – | – | Not filed |