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 |
|---|---|---|---|---|---|
| Hemington Wealth Management | 7 | $0 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 1 | $43 | 0.00% | 00.0% | Unchanged |
| Creekmur Asset Management LLC | 1 | $44 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 4 | $172 | 0.00% | +4 | New |
| Rosenberg Matthew Hamilton | 7 | $301 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 9 | $387 | 0.00% | +9 | New |
| Clearstead Advisors, LLC | 15 | $645 | 0.00% | +10+200.0% | Added |
| Covestor Ltd | 17 | $1.00K | 0.00% | −9−34.6% | Reduced |
| Sunbelt Securities, Inc. | 26 | $1.12K | 0.00% | +26 | New |
| Westfuller Advisors, LLC | 40 | $1.73K | 0.00% | +40 | New |
| Assetmark, Inc | 42 | $1.80K | 0.00% | +42 | New |
| Steward Partners Investment Advisory, LLC | 52 | $2.23K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 70 | $3.01K | 0.00% | +70 | New |
| Sterling Capital Management LLC | 84 | $3.61K | 0.00% | +2+2.4% | Added |
| SBI Securities Co., Ltd. | 84 | $3.61K | 0.00% | +6+7.7% | Added |
| Rothschild Investment LLC | 85 | $3.65K | 0.00% | −20−19.0% | Reduced |
| Jones Financial Companies LLLP | 88 | $3.80K | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 100 | $4.29K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 103 | $4.42K | 0.00% | +15+17.0% | Added |
| Parallel Advisors, LLC | 106 | $4.55K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 168 | $7.22K | 0.00% | +168 | New |
| WPG Advisers, LLC | 179 | $7.69K | 0.01% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 184 | $7.89K | 0.00% | +184 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 188 | $8.00K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 195 | $8.38K | 0.00% | +195 | New |
| Principal Securities, Inc. | 332 | $14.3K | 0.00% | −41−11.0% | Reduced |
| Allworth Financial LP | 333 | $14.3K | 0.00% | +113+51.4% | Added |
| Financial Management Professionals, Inc. | 387 | $16.7K | 0.00% | +387 | New |
| Toth Financial Advisory Corp | 400 | $17.2K | 0.00% | −100−20.0% | Reduced |
| Group One Trading, L.P. | 419 | $18.0K | 0.00% | +419 | New |
| Financial Network Wealth Advisors LLC | 420 | $18.0K | 0.02% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 425 | $18.3K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 432 | $18.6K | 0.00% | +432 | New |
| Smartleaf Asset Management LLC | 513 | $21.8K | 0.00% | +513 | New |
| IFP Advisors, Inc | 572 | $24.6K | 0.00% | +377+193.3% | Added |
| Cornerstone Planning Group LLC | 571 | $25.0K | 0.00% | +571 | New |
| Nisa Investment Advisors, LLC | 597 | $25.7K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 602 | $25.9K | 0.00% | +19+3.3% | Added |
| Quadrant Capital Group LLC | 607 | $26.1K | 0.00% | +607 | New |
| Exchange Traded Concepts, LLC | 617 | $26.5K | 0.00% | +617 | New |
| EverSource Wealth Advisors, LLC | 625 | $26.8K | 0.00% | +7+1.1% | Added |
| Federation des caisses Desjardins du Quebec | 687 | $29.5K | 0.00% | +297+76.2% | Added |
| US Bancorp | 738 | $31.7K | 0.00% | −4,088−84.7% | Reduced |
| Parkside Financial Bank & Trust | 747 | $32.1K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 752 | $32.3K | 0.01% | −868−53.6% | Reduced |
| GAMMA Investing LLC | 786 | $33.8K | 0.00% | +50+6.8% | Added |
| MPWM Advisory Solutions, LLC | 805 | $34.6K | 0.02% | −435−35.1% | Reduced |
| Binnacle Investments Inc | 938 | $40.3K | 0.02% | +210+28.8% | Added |
| State of Wyoming | 958 | $41.1K | 0.00% | +958 | New |
| Advisory Services Network, LLC | 959 | $41.2K | 0.00% | +959 | New |
| CBIZ Investment Advisory Services, LLC | 1,042 | $44.9K | 0.00% | −1−0.1% | Reduced |
| Versant Capital Management, Inc | 1,145 | $49.2K | 0.01% | 00.0% | Unchanged |
| Amalgamated Bank | 1,180 | $51.0K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 1,356 | $58.2K | 0.02% | +177+15.0% | Added |
| Farther Finance Advisors, LLC | 1,541 | $66.2K | 0.00% | −252−14.1% | Reduced |
| State of Alaska, Department of Revenue | 1,582 | $67.0K | 0.00% | +1,582 | New |
| Advisor Group Holdings, Inc. | 2,009 | $78.1K | 0.00% | +1,066+113.0% | Added |
| Ameritas Investment Partners, Inc. | 2,885 | $123.9K | 0.00% | −554−16.1% | Reduced |
| Public Employees Retirement Association of Colorado | 3,551 | $153.0K | 0.00% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 4,553 | $192.0K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 4,699 | $201.8K | 0.00% | +4,699 | New |
| Simplex Trading, LLC | 4,710 | $202.0K | 0.00% | +4,710 | New |
| Pictet Asset Management Holding SA | 4,923 | $211.4K | 0.00% | +4,923 | New |
| Tower Research Capital LLC (TRC) | 5,012 | $215.3K | 0.01% | −15−0.3% | Reduced |
| MML Investors Services, LLC | 5,166 | $221.9K | 0.00% | +5,166 | New |
| Kestra Advisory Services, LLC | 5,464 | $234.7K | 0.00% | −2,000−26.8% | Reduced |
| Citigroup Inc | 5,521 | $237.1K | 0.00% | −10,197−64.9% | Reduced |
| Gsa Capital Partners LLP | 5,533 | $238.0K | 0.02% | −18,570−77.0% | Reduced |
| Inceptionr LLC | 5,621 | $241.4K | 0.06% | +5,621 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 5,799 | $249.1K | 0.00% | +5,799 | New |
| ProShare Advisors LLC | 5,906 | $253.7K | 0.00% | −1,324−18.3% | Reduced |
| Barrett & Company, Inc. | 6,013 | $258.2K | 0.09% | +6+0.1% | Added |
| Atom Investors LP | 6,115 | $262.6K | 0.02% | +6,115 | New |
| Jain Global LLC | 6,160 | $264.6K | 0.00% | +6,160 | New |
| Mercer Global Advisors Inc | 6,166 | $264.8K | 0.00% | +6,166 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,222 | $267.2K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 6,359 | $273.1K | 0.00% | −3,245−33.8% | Reduced |
| Axq Capital, LP | 6,880 | $295.5K | 0.11% | +6,880 | New |
| XTX Topco Ltd | 7,287 | $313.0K | 0.02% | −45,610−86.2% | Reduced |
| Personal Cfo Solutions, LLC | 8,031 | $344.9K | 0.06% | +246+3.2% | Added |
| Comerica Bank | 8,199 | $352.2K | 0.00% | −256−3.0% | Reduced |
| Virginia Retirement Systems Et Al | 8,848 | $380.0K | 0.00% | +1,800+25.5% | Added |
| State Board of Administration of Florida Retirement System | 9,090 | $390.4K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 9,300 | $400.5K | 0.00% | +2,600+38.8% | Added |
| Boothbay Fund Management, LLC | 9,328 | $400.6K | 0.01% | +9,328 | New |
| SkyOak Wealth, LLC | 9,387 | $403.2K | 0.08% | +9,387 | New |
| STRS Ohio | 9,500 | $408.0K | 0.00% | +9,500 | New |
| Earnest Partners LLC | 9,600 | $412.3K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 9,741 | $418.4K | 0.00% | +2,020+26.2% | Added |
| Yorktown Management & Research Co Inc | 9,900 | $425.2K | 0.34% | +9,900 | New |
| Arizona State Retirement System | 10,536 | $452.5K | 0.00% | −75−0.7% | Reduced |
| Tributary Capital Management, LLC | 10,748 | $461.6K | 0.04% | 00.0% | Unchanged |
| Alps Advisors Inc | 10,870 | $466.9K | 0.00% | +10,870 | New |
| Aviva PLC | 11,825 | $507.9K | 0.00% | −4,813−28.9% | Reduced |
| Two Sigma Advisers, LP | 12,000 | $515.4K | 0.00% | −11,400−48.7% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 12,113 | $522.1K | 0.00% | +670+5.9% | Added |
| Polen Capital Management LLC | 12,567 | $539.8K | 0.00% | +12,567 | New |
| Numerai GP LLC | 13,071 | $561.4K | 0.08% | −32,780−71.5% | Reduced |
| Cim, LLC | 13,164 | $565.4K | 0.07% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 13,425 | $576.6K | 0.00% | 00.0% | Unchanged |