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 2026
Institutional positions in Napco Security Technologies, Inc as of Mar 31, 2026. 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
- 271
- +22 vs. Q4 2025
- Shares held
- 34.7M
- +5.99M (+20.9%) vs. Q4 2025
- Total value
- $1.37B
- +$169.6M (+14.2%) vs. Q4 2025
- New holders
- 51
- 96 more added
- Sold out
- 29
- 95 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Napco Security Technologies, Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Yousif Capital Management, LLC | 9,555 | $376.4K | 0.00% | +9,555 | New |
| Earnest Partners LLC | 9,600 | $378.1K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 9,794 | $385.8K | 0.00% | −150−1.5% | Reduced |
| Yorktown Management & Research Co Inc | 9,900 | $390.0K | 0.33% | 00.0% | Unchanged |
| Sentinel Pension Advisors Inc | 10,046 | $395.7K | 0.06% | −2,500−19.9% | Reduced |
| Intech Investment Management LLC | 10,185 | $401.2K | 0.00% | −5,415−34.7% | Reduced |
| Amalgamated Bank | 10,232 | $403.0K | 0.00% | +9,147+843.0% | Added |
| Tributary Capital Management, LLC | 10,248 | $403.7K | 0.04% | −300−2.8% | Reduced |
| Snowden Capital Advisors LLC | 10,503 | $415.3K | 0.01% | −3,484−24.9% | Reduced |
| Aviva PLC | 10,544 | $415.3K | 0.00% | −1,283−10.8% | Reduced |
| Marshall Wace, LLP | 10,839 | $426.9K | 0.00% | −87,167−88.9% | Reduced |
| Citigroup Inc | 11,283 | $444.4K | 0.00% | +8,424+294.6% | Added |
| State of Wyoming | 11,343 | $446.8K | 0.05% | −499−4.2% | Reduced |
| CI Private Wealth, LLC | 11,390 | $448.7K | 0.00% | −2,197−16.2% | Reduced |
| Alps Advisors Inc | 11,628 | $458.0K | 0.00% | +637+5.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 12,231 | $481.8K | 0.00% | +11,928+3,936.6% | Added |
| Cim, LLC | 12,526 | $493.4K | 0.07% | −87−0.7% | Reduced |
| Harbour Capital Advisors, LLC | 11,425 | $517.4K | 0.10% | +11,425 | New |
| Dynamic Technology Lab Private Ltd | 13,680 | $538.9K | 0.09% | +7,397+117.7% | Added |
| Pathstone Holdings, LLC | 13,680 | $538.9K | 0.00% | +307+2.3% | Added |
| Financiere des Professionnels - Fonds d,investissement inc. | 13,775 | $542.6K | 0.03% | +13,775 | New |
| Barclays PLC | 14,145 | $557.2K | 0.00% | −54,813−79.5% | Reduced |
| Lazard Asset Management LLC | 14,312 | $563.8K | 0.00% | +841+6.2% | Added |
| XTX Topco Ltd | 14,486 | $570.6K | 0.01% | +14,486 | New |
| Millennium Management LLC | 14,598 | $575.0K | 0.00% | −58,889−80.1% | Reduced |
| Neuberger Berman Group LLC | 15,164 | $597.3K | 0.00% | +360+2.4% | Added |
| Truist Financial Corp | 15,357 | $604.9K | 0.00% | −2,195−12.5% | Reduced |
| Manufacturers Life Insurance Company, The | 15,562 | $613.0K | 0.00% | −372−2.3% | Reduced |
| CWM, LLC | 15,683 | $617.8K | 0.00% | −2,187−12.2% | Reduced |
| Virginia Retirement Systems Et Al | 15,748 | $620.3K | 0.00% | +2,700+20.7% | Added |
| Louisiana State Employees Retirement System | 15,800 | $622.4K | 0.01% | +15,800 | New |
| Fifth Third Bancorp | 15,901 | $626.3K | 0.00% | +15,901 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 16,181 | $637.4K | 0.00% | +186+1.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 17,099 | $681.7K | 0.00% | +5,118+42.7% | Added |
| Cerity Partners LLC | 17,416 | $686.0K | 0.00% | +221+1.3% | Added |
| Vanguard Global Advisers, LLC | 17,581 | $692.5K | 0.00% | +17,581 | New |
| STRS Ohio | 17,800 | $701.1K | 0.00% | −500−2.7% | Reduced |
| Harbor Capital Advisors, Inc. | 17,814 | $702.0K | 0.06% | +17,814 | New |
| Gabelli Funds LLC | 18,400 | $724.8K | 0.00% | −1,600−8.0% | Reduced |
| KLP Kapitalforvaltning AS | 18,400 | $727.1K | 0.00% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 18,558 | $731.0K | 0.01% | +12,576+210.2% | Added |
| Ellsworth Advisors, LLC | 18,774 | $739.5K | 0.14% | +18,774 | New |
| Susquehanna International Group, LLP | 19,318 | $760.9K | 0.00% | −10,005−34.1% | Reduced |
| Quantinno Capital Management LP | 19,464 | $766.7K | 0.00% | +596+3.2% | Added |
| MetLife Investment Management | 19,569 | $770.8K | 0.00% | +208+1.1% | Added |
| HSBC Holdings PLC | 21,068 | $825.1K | 0.00% | −2,198−9.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 21,341 | $841.0K | 0.00% | −40.0% | Reduced |
| Wells Fargo & Company | 21,458 | $845.2K | 0.00% | −19,741−47.9% | Reduced |
| Cetera Investment Advisers | 21,559 | $849.2K | 0.00% | −1,286−5.6% | Reduced |
| Franklin Resources Inc | 21,631 | $852.0K | 0.00% | −1,011−4.5% | Reduced |
| Magnetar Financial LLC | 22,692 | $893.8K | 0.01% | +7,798+52.4% | Added |
| State of Tennessee, Treasury Department | 23,544 | $927.4K | 0.00% | +15,924+209.0% | Added |
| Teacher Retirement System of Texas | 23,989 | $944.9K | 0.00% | +6,614+38.1% | Added |
| SG Americas Securities, LLC | 24,220 | $954.0K | 0.00% | −18,346−43.1% | Reduced |
| State of Alaska, Department of Revenue | 24,288 | $956.0K | 0.01% | +17,601+263.2% | Added |
| Raffles Associates LP | 24,424 | $962.1K | 0.83% | 00.0% | Unchanged |
| Vanguard Asset Management, Ltd | 24,999 | $984.7K | 0.00% | +24,999 | New |
| Twinbeech Capital LP | 26,100 | $1.03M | 0.11% | +26,100 | New |
| GW&K Investment Management, LLC | 26,613 | $1.05M | 0.01% | −3,745−12.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 27,336 | $1.08M | 0.00% | +19,428+245.7% | Added |
| Integrated Quantitative Investments LLC | 27,424 | $1.08M | 0.20% | +22,587+467.0% | Added |
| Balyasny Asset Management LLC | 27,984 | $1.10M | 0.00% | +7,887+39.2% | Added |
| LPL Financial LLC | 28,700 | $1.13M | 0.00% | −2,424−7.8% | Reduced |
| Heritage Investors Management Corp | 29,097 | $1.15M | 0.03% | 00.0% | Unchanged |
| Ieq Capital, LLC | 29,313 | $1.15M | 0.01% | −8,544−22.6% | Reduced |
| Great West Life Assurance Co | 29,685 | $1.17M | 0.00% | +26,321+782.4% | Added |
| Price T Rowe Associates Inc | 31,036 | $1.22M | 0.00% | +5,745+22.7% | Added |
| Deutsche Bank AG | 31,475 | $1.24M | 0.00% | −70,325−69.1% | Reduced |
| State Board of Administration of Florida Retirement System | 32,129 | $1.27M | 0.00% | +19,645+157.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 32,213 | $1.27M | 0.00% | −6,580−17.0% | Reduced |
| Winton Group Ltd | 32,748 | $1.29M | 0.05% | +32,748 | New |
| Gsa Capital Partners LLP | 33,189 | $1.31M | 0.08% | −579−1.7% | Reduced |
| Laurus Investment Counsel Inc. | 35,350 | $1.39M | 1.36% | −7,190−16.9% | Reduced |
| Creative Planning | 37,010 | $1.46M | 0.00% | +5,188+16.3% | Added |
| Hantz Financial Services, Inc. | 37,751 | $1.49M | 0.02% | −36,355−49.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 37,957 | $1.50M | 0.05% | +3,167+9.1% | Added |
| Alliancebernstein L.P. | 37,642 | $1.57M | 0.00% | −4,135−9.9% | Reduced |
| Engineers Gate Manager LP | 41,182 | $1.62M | 0.02% | −26,400−39.1% | Reduced |
| Raymond James Financial Inc | 43,002 | $1.69M | 0.00% | +43,002 | New |
| Seizert Capital Partners, LLC | 44,835 | $1.77M | 0.08% | +291+0.7% | Added |
| CBOE Vest Financial, LLC | 45,403 | $1.79M | 0.02% | +3,598+8.6% | Added |
| Gotham Asset Management, LLC | 46,082 | $1.82M | 0.01% | +25,586+124.8% | Added |
| California State Teachers Retirement System | 48,496 | $1.91M | 0.00% | +13,207+37.4% | Added |
| Victory Capital Management Inc | 48,519 | $1.91M | 0.00% | +8,082+20.0% | Added |
| Vident Advisory, LLC | 48,891 | $1.93M | 0.02% | +48,891 | New |
| UBS Group AG | 50,768 | $2.00M | 0.00% | −19,375−27.6% | Reduced |
| Divisadero Street Capital Management, LP | 50,799 | $2.00M | 0.09% | −758,930−93.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 51,962 | $2.05M | 0.02% | +8,850+20.5% | Added |
| Voleon Capital Management LP | 52,868 | $2.08M | 0.04% | −29,609−35.9% | Reduced |
| Bridge City Capital, LLC | 58,610 | $2.31M | 0.64% | −828−1.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 59,331 | $2.34M | 0.04% | +31,516+113.3% | Added |
| Allianz Asset Management GmbH | 60,650 | $2.39M | 0.00% | −19,500−24.3% | Reduced |
| Ameriprise Financial Inc | 64,723 | $2.55M | 0.00% | +64,723 | New |
| HRT Financial LP | 65,822 | $2.59M | 0.01% | −22,973−25.9% | Reduced |
| Citadel Advisors LLC | 69,690 | $2.75M | 0.00% | −72,855−51.1% | Reduced |
| Swiss National Bank | 70,400 | $2.77M | 0.00% | 00.0% | Unchanged |
| First National Advisers, LLC | 72,247 | $2.85M | 0.42% | −10,409−12.6% | Reduced |
| Linden Thomas Advisory Services, LLC | 72,472 | $2.85M | 0.28% | +28,404+64.5% | Added |
| New York State Common Retirement Fund | 72,915 | $2.87M | 0.00% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 74,790 | $2.95M | 0.01% | +23,805+46.7% | Added |