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 |
|---|---|---|---|---|---|
| California State Teachers Retirement System | 33,976 | $1.46M | 0.00% | +20.0% | Added |
| Quantbot Technologies LP | 33,751 | $1.45M | 0.04% | +33,751 | New |
| Y-Intercept (Hong Kong) Ltd | 33,268 | $1.43M | 0.03% | −42,164−55.9% | Reduced |
| GW&K Investment Management, LLC | 30,358 | $1.30M | 0.01% | −130−0.4% | Reduced |
| Heritage Investors Management Corp | 29,097 | $1.25M | 0.04% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 28,070 | $1.21M | 0.00% | −3,934−12.3% | Reduced |
| Creative Planning | 27,654 | $1.19M | 0.00% | +6,691+31.9% | Added |
| CI Private Wealth, LLC | 25,255 | $1.08M | 0.00% | +25,255 | New |
| Raffles Associates LP | 24,424 | $1.05M | 0.98% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 24,306 | $1.04M | 0.00% | +1,154+5.0% | Added |
| Wells Fargo & Company | 24,216 | $1.04M | 0.00% | +2,029+9.1% | Added |
| Fox Run Management, L.L.C. | 23,581 | $1.01M | 0.16% | +23,581 | New |
| Franklin Resources Inc | 22,903 | $983.7K | 0.00% | +2,733+13.5% | Added |
| Quest Partners LLC | 22,298 | $957.7K | 0.06% | +3,120+16.3% | Added |
| Cambridge Investment Research Advisors, Inc. | 21,669 | $931.0K | 0.00% | +108+0.5% | Added |
| Brevan Howard Capital Management LP | 21,003 | $902.1K | 0.01% | −6,331−23.2% | Reduced |
| Cetera Investment Advisers | 20,963 | $900.4K | 0.00% | +20,963 | New |
| Gotham Asset Management, LLC | 20,544 | $882.4K | 0.00% | −6,993−25.4% | Reduced |
| MetLife Investment Management | 20,478 | $879.5K | 0.00% | −628−3.0% | Reduced |
| Gabelli Funds LLC | 20,000 | $859.0K | 0.01% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 20,034 | $857.0K | 0.00% | +20,034 | New |
| Cerity Partners LLC | 19,815 | $851.1K | 0.00% | +4,496+29.3% | Added |
| CWM, LLC | 19,365 | $832.0K | 0.00% | +2,230+13.0% | Added |
| Truist Financial Corp | 18,901 | $811.8K | 0.00% | +81+0.4% | Added |
| Manufacturers Life Insurance Company, The | 17,178 | $737.8K | 0.00% | −818−4.5% | Reduced |
| Los Angeles Capital Management LLC | 17,150 | $736.6K | 0.00% | +17,150 | New |
| Great West Life Assurance Co | 16,842 | $715.0K | 0.00% | +2,917+20.9% | Added |
| Quantinno Capital Management LP | 16,186 | $695.2K | 0.00% | +2,303+16.6% | Added |
| ExodusPoint Capital Management, LP | 16,062 | $689.9K | 0.01% | +16,062 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 16,047 | $689.2K | 0.00% | −3,274−16.9% | Reduced |
| Sentinel Pension Advisors Inc | 16,046 | $689.2K | 0.11% | −6,038−27.3% | Reduced |
| SRS Capital Advisors, Inc. | 15,975 | $686.1K | 0.01% | +14,495+979.4% | Added |
| AdvisorShares Investments LLC | 15,961 | $685.5K | 0.11% | −202−1.2% | Reduced |
| Legato Capital Management LLC | 15,764 | $677.1K | 0.07% | −11,710−42.6% | Reduced |
| Neuberger Berman Group LLC | 15,720 | $675.2K | 0.00% | −1,146−6.8% | Reduced |
| Intech Investment Management LLC | 15,600 | $670.0K | 0.01% | −1,542−9.0% | Reduced |
| Snowden Capital Advisors LLC | 15,522 | $668.9K | 0.02% | +70.0% | Added |
| Cynosure Management, LLC | 14,719 | $632.2K | 0.07% | 00.0% | Unchanged |
| Bessemer Group Inc | 14,675 | $630.0K | 0.00% | −97−0.7% | Reduced |
| Teacher Retirement System of Texas | 13,972 | $600.1K | 0.00% | −1,698−10.8% | Reduced |
| Lazard Asset Management LLC | 13,425 | $576.6K | 0.00% | 00.0% | Unchanged |
| Cim, LLC | 13,164 | $565.4K | 0.07% | 00.0% | Unchanged |
| Numerai GP LLC | 13,071 | $561.4K | 0.08% | −32,780−71.5% | Reduced |
| Polen Capital Management LLC | 12,567 | $539.8K | 0.00% | +12,567 | New |
| Wealth Enhancement Advisory Services, LLC | 12,113 | $522.1K | 0.00% | +670+5.9% | Added |
| Two Sigma Advisers, LP | 12,000 | $515.4K | 0.00% | −11,400−48.7% | Reduced |
| Aviva PLC | 11,825 | $507.9K | 0.00% | −4,813−28.9% | Reduced |
| Alps Advisors Inc | 10,870 | $466.9K | 0.00% | +10,870 | New |
| Tributary Capital Management, LLC | 10,748 | $461.6K | 0.04% | 00.0% | Unchanged |
| Arizona State Retirement System | 10,536 | $452.5K | 0.00% | −75−0.7% | Reduced |
| Yorktown Management & Research Co Inc | 9,900 | $425.2K | 0.34% | +9,900 | New |
| Police & Firemen's Retirement System of New Jersey | 9,741 | $418.4K | 0.00% | +2,020+26.2% | Added |
| Earnest Partners LLC | 9,600 | $412.3K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 9,500 | $408.0K | 0.00% | +9,500 | New |
| SkyOak Wealth, LLC | 9,387 | $403.2K | 0.08% | +9,387 | New |
| Boothbay Fund Management, LLC | 9,328 | $400.6K | 0.01% | +9,328 | New |
| KLP Kapitalforvaltning AS | 9,300 | $400.5K | 0.00% | +2,600+38.8% | Added |
| State Board of Administration of Florida Retirement System | 9,090 | $390.4K | 0.00% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 8,848 | $380.0K | 0.00% | +1,800+25.5% | Added |
| Comerica Bank | 8,199 | $352.2K | 0.00% | −256−3.0% | Reduced |
| Personal Cfo Solutions, LLC | 8,031 | $344.9K | 0.06% | +246+3.2% | Added |
| XTX Topco Ltd | 7,287 | $313.0K | 0.02% | −45,610−86.2% | Reduced |
| Axq Capital, LP | 6,880 | $295.5K | 0.11% | +6,880 | New |
| Voya Investment Management LLC | 6,359 | $273.1K | 0.00% | −3,245−33.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,222 | $267.2K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 6,166 | $264.8K | 0.00% | +6,166 | New |
| Jain Global LLC | 6,160 | $264.6K | 0.00% | +6,160 | New |
| Atom Investors LP | 6,115 | $262.6K | 0.02% | +6,115 | New |
| Barrett & Company, Inc. | 6,013 | $258.2K | 0.09% | +6+0.1% | Added |
| ProShare Advisors LLC | 5,906 | $253.7K | 0.00% | −1,324−18.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 5,799 | $249.1K | 0.00% | +5,799 | New |
| Inceptionr LLC | 5,621 | $241.4K | 0.06% | +5,621 | New |
| Gsa Capital Partners LLP | 5,533 | $238.0K | 0.02% | −18,570−77.0% | Reduced |
| Citigroup Inc | 5,521 | $237.1K | 0.00% | −10,197−64.9% | Reduced |
| Kestra Advisory Services, LLC | 5,464 | $234.7K | 0.00% | −2,000−26.8% | Reduced |
| MML Investors Services, LLC | 5,166 | $221.9K | 0.00% | +5,166 | New |
| Tower Research Capital LLC (TRC) | 5,012 | $215.3K | 0.01% | −15−0.3% | Reduced |
| Pictet Asset Management Holding SA | 4,923 | $211.4K | 0.00% | +4,923 | New |
| Simplex Trading, LLC | 4,710 | $202.0K | 0.00% | +4,710 | New |
| Prudential Financial Inc | 4,699 | $201.8K | 0.00% | +4,699 | New |
| DekaBank Deutsche Girozentrale | 4,553 | $192.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 3,551 | $153.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,885 | $123.9K | 0.00% | −554−16.1% | Reduced |
| Advisor Group Holdings, Inc. | 2,009 | $78.1K | 0.00% | +1,066+113.0% | Added |
| State of Alaska, Department of Revenue | 1,582 | $67.0K | 0.00% | +1,582 | New |
| Farther Finance Advisors, LLC | 1,541 | $66.2K | 0.00% | −252−14.1% | Reduced |
| Essential Partners LLC | 1,356 | $58.2K | 0.02% | +177+15.0% | Added |
| Amalgamated Bank | 1,180 | $51.0K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 1,145 | $49.2K | 0.01% | 00.0% | Unchanged |
| CBIZ Investment Advisory Services, LLC | 1,042 | $44.9K | 0.00% | −1−0.1% | Reduced |
| Advisory Services Network, LLC | 959 | $41.2K | 0.00% | +959 | New |
| State of Wyoming | 958 | $41.1K | 0.00% | +958 | New |
| Binnacle Investments Inc | 938 | $40.3K | 0.02% | +210+28.8% | Added |
| MPWM Advisory Solutions, LLC | 805 | $34.6K | 0.02% | −435−35.1% | Reduced |
| GAMMA Investing LLC | 786 | $33.8K | 0.00% | +50+6.8% | Added |
| Truvestments Capital LLC | 752 | $32.3K | 0.01% | −868−53.6% | Reduced |
| Parkside Financial Bank & Trust | 747 | $32.1K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 738 | $31.7K | 0.00% | −4,088−84.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 687 | $29.5K | 0.00% | +297+76.2% | Added |
| EverSource Wealth Advisors, LLC | 625 | $26.8K | 0.00% | +7+1.1% | Added |