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 |
|---|---|---|---|---|---|
| Amundi | 5,304 | $209.0K | 0.00% | +5,304 | New |
| Maryland State Retirement & Pension System | 5,275 | $207.8K | 0.00% | +5,275 | New |
| NLB Skladi, upravljanje premozenja, d.o.o. | 5,200 | $204.8K | 0.01% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 4,553 | $179.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 3,727 | $146.8K | 0.00% | −757−16.9% | Reduced |
| Public Employees Retirement Association of Colorado | 3,551 | $140.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,885 | $113.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,599 | $102.4K | 0.00% | −1,626−38.5% | Reduced |
| Kemnay Advisory Services Inc. | 2,345 | $92.4K | 0.01% | −218−8.5% | Reduced |
| Quantbot Technologies LP | 1,815 | $71.5K | 0.00% | −18,818−91.2% | Reduced |
| Advisor Group Holdings, Inc. | 1,418 | $55.9K | 0.00% | +568+66.8% | Added |
| SRS Capital Advisors, Inc. | 1,402 | $55.2K | 0.00% | −62−4.2% | Reduced |
| Essential Partners LLC | 1,241 | $48.9K | 0.02% | −19−1.5% | Reduced |
| Versant Capital Management, Inc | 1,145 | $45.1K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 1,108 | $43.6K | 0.00% | +1,108 | New |
| GAMMA Investing LLC | 1,041 | $41.0K | 0.00% | +173+19.9% | Added |
| Advisory Services Network, LLC | 1,020 | $40.2K | 0.00% | +1,020 | New |
| Farther Finance Advisors, LLC | 996 | $39.3K | 0.00% | −260−20.7% | Reduced |
| EverSource Wealth Advisors, LLC | 871 | $34.3K | 0.00% | +90+11.5% | Added |
| Signaturefd, LLC | 822 | $32.4K | 0.00% | +220+36.5% | Added |
| MPWM Advisory Solutions, LLC | 805 | $31.7K | 0.02% | 00.0% | Unchanged |
| IFP Advisors, Inc | 782 | $30.8K | 0.00% | −21−2.6% | Reduced |
| Parkside Financial Bank & Trust | 747 | $29.4K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 746 | $29.4K | 0.00% | +59+8.6% | Added |
| Quadrant Capital Group LLC | 741 | $29.2K | 0.00% | +134+22.1% | Added |
| Cornerstone Planning Group LLC | 643 | $26.9K | 0.00% | +72+12.6% | Added |
| KBC Group NV | 651 | $26.0K | 0.00% | +651 | New |
| First Horizon Corp | 645 | $25.4K | 0.00% | +168+35.2% | Added |
| Nisa Investment Advisors, LLC | 634 | $25.0K | 0.00% | +133+26.5% | Added |
| Jones Financial Companies LLLP | 628 | $24.1K | 0.00% | +540+613.6% | Added |
| Truvestments Capital LLC | 567 | $22.4K | 0.00% | −185−24.6% | Reduced |
| US Bancorp | 550 | $21.7K | 0.00% | +14+2.6% | Added |
| Exchange Traded Concepts, LLC | 515 | $20.3K | 0.00% | −123−19.3% | Reduced |
| Centerpoint Advisors, LLC | 452 | $18.0K | 0.01% | +452 | New |
| Financial Management Professionals, Inc. | 387 | $15.3K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 357 | $14.1K | 0.00% | +162+83.1% | Added |
| Salomon & Ludwin, LLC | 346 | $13.8K | 0.00% | +346 | New |
| Allworth Financial LP | 329 | $13.0K | 0.00% | −6−1.8% | Reduced |
| Sterling Capital Management LLC | 224 | $8.82K | 0.00% | −5−2.2% | Reduced |
| Financial Network Wealth Advisors LLC | 221 | $8.71K | 0.01% | −177−44.5% | Reduced |
| WPG Advisers, LLC | 179 | $7.05K | 0.01% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 177 | $6.97K | 0.00% | +23+14.9% | Added |
| Whipplewood Advisors, LLC | 108 | $4.25K | 0.00% | +108 | New |
| Parallel Advisors, LLC | 106 | $4.17K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 103 | $4.06K | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 100 | $3.94K | 0.00% | 00.0% | Unchanged |
| Altshuler Shaham Ltd | 98 | $3.86K | 0.00% | −2−2.0% | Reduced |
| Rothschild Investment LLC | 97 | $3.82K | 0.00% | +3+3.2% | Added |
| SBI Securities Co., Ltd. | 90 | $3.54K | 0.00% | −3−3.2% | Reduced |
| TD Private Client Wealth LLC | 80 | $3.15K | 0.00% | +80 | New |
| Root Financial Partners, LLC | 70 | $2.76K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 67 | $2.64K | 0.00% | +67 | New |
| Pinnacle Wealth Planning Services, Inc. | 67 | $2.64K | 0.00% | +67 | New |
| Smartleaf Asset Management LLC | 61 | $2.31K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 50 | $1.97K | 0.00% | +15+42.9% | Added |
| Golden State Equity Partners | 50 | $1.97K | 0.00% | +50 | New |
| MAI Capital Management | 46 | $1.81K | 0.00% | +46 | New |
| Cornerstone Financial Management LLC | 44 | $1.73K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 28 | $1.10K | 0.00% | +27+2,700.0% | Added |
| Westfuller Advisors, LLC | 27 | $1.08K | 0.00% | −13−32.5% | Reduced |
| Sunbelt Securities, Inc. | 26 | $1.02K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 15 | $1.00K | 0.00% | +3+25.0% | Added |
| Farmers & Merchants Investments Inc | 20 | $788 | 0.00% | +20 | New |
| Umb Bank N A | 17 | $670 | 0.00% | +17 | New |
| Caitong International Asset Management Co., Ltd | 10 | $394 | 0.00% | +10 | New |
| Rosenberg Matthew Hamilton | 7 | $276 | 0.00% | 00.0% | Unchanged |
| Gilpin Wealth Management, LLC | 6 | $237 | 0.00% | +6 | New |
| Abound Wealth Management | 4 | $158 | 0.00% | +4 | New |
| Ankerstar Wealth, LLC | 3 | $118 | 0.00% | +3 | New |
| GHP Investment Advisors, Inc. | 2 | $79 | 0.00% | +2 | New |
| Huntington National Bank | 1 | $39 | 0.00% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −243,510−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −200,489−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −130,235−100.0% | Sold out |
| 4D Advisors, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −75,362−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −63,535−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −61,117−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −56,580−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −35,912−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −32,551−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −27,700−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −13,027−100.0% | Sold out |
| Polen Capital Management LLC | 0 | $0 | 0.00% | −12,567−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −11,471−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −10,383−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −8,521−100.0% | Sold out |
| Jacobs Equity LLC | 0 | $0 | 0.00% | −7,458−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −5,237−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −5,160−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −5,105−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −4,607−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −4,542−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −3,376−100.0% | Sold out |
| CBIZ Investment Advisory Services, LLC | 0 | $0 | 0.00% | −1,039−100.0% | Sold out |
| Maseco LLP | 0 | $0 | 0.00% | −590−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −156−100.0% | Sold out |
| SJS Investment Consulting Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |