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, Q2 2026
Institutional positions in Napco Security Technologies, Inc as of Jun 30, 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
- 258
- −8 vs. Q1 2026
- Shares held
- 36.1M
- +2.90M (+8.7%) vs. Q1 2026
- Total value
- $1.37B
- +$63.2M (+4.8%) vs. Q1 2026
- New holders
- 29
- 106 more added
- Sold out
- 37
- 91 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Napco Security Technologies, Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Redmond Asset Management, LLC | 117,784 | $4.47M | 1.12% | −930−0.8% | Reduced |
| Isthmus Partners, LLC | 117,950 | $4.48M | 0.43% | +2,281+2.0% | Added |
| SEI Investments Co | 134,961 | $5.13M | 0.00% | +3,543+2.7% | Added |
| Public Sector Pension Investment Board | 153,239 | $5.82M | 0.02% | +25,685+20.1% | Added |
| Rice Hall James & Associates, LLC | 153,577 | $5.83M | 0.28% | +6,804+4.6% | Added |
| Bank of America Corp | 158,484 | $6.02M | 0.00% | −63,281−28.5% | Reduced |
| UBS Group AG | 167,284 | $6.35M | 0.00% | +116,516+229.5% | Added |
| Kornitzer Capital Management Inc | 168,717 | $6.41M | 0.13% | −636−0.4% | Reduced |
| SG Capital Management LLC | 170,793 | $6.49M | 0.59% | +63,625+59.4% | Added |
| Two Sigma Investments, LP | 172,667 | $6.56M | 0.00% | +86,467+100.3% | Added |
| Rockefeller Capital Management L.P. | 178,187 | $6.79M | 0.01% | +59,394+50.0% | Added |
| Gamco Investors, Inc. Et Al | 178,900 | $6.79M | 0.06% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 186,274 | $7.07M | 0.01% | +113,359+155.5% | Added |
| Invesco Ltd. | 190,854 | $7.25M | 0.00% | +66,465+53.4% | Added |
| UBS Asset Management Americas Inc | 196,242 | $7.45M | 0.00% | −75,785−27.9% | Reduced |
| Jacobs Levy Equity Management, Inc | 201,670 | $7.66M | 0.03% | −211,118−51.1% | Reduced |
| HRT Financial LP | 202,166 | $7.68M | 0.01% | +136,344+207.1% | Added |
| JPMorgan Chase & Co | 214,871 | $8.07M | 0.00% | +112,308+109.5% | Added |
| Crawford Investment Counsel Inc | 223,794 | $8.50M | 0.14% | +84,506+60.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 224,298 | $8.52M | 0.01% | +192,085+596.3% | Added |
| Principal Financial Group Inc | 230,017 | $8.74M | 0.00% | +4,703+2.1% | Added |
| Wasatch Advisors Inc | 242,585 | $9.21M | 0.06% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 254,169 | $9.65M | 0.00% | +7,528+3.1% | Added |
| Nuveen, LLC | 255,569 | $9.71M | 0.00% | +56,440+28.3% | Added |
| Russell Investments Group, Ltd. | 256,442 | $9.74M | 0.01% | +42,655+20.0% | Added |
| Trexquant Investment LP | 261,334 | $9.93M | 0.06% | +90,196+52.7% | Added |
| Visionary Wealth Advisors | 262,368 | $9.96M | 0.39% | −330.0% | Reduced |
| Granite Investment Partners, LLC | 266,069 | $10.1M | 0.52% | −1,457−0.5% | Reduced |
| Los Angeles Capital Management LLC | 274,050 | $10.4M | 0.04% | +152,598+125.6% | Added |
| Prudential Financial Inc | 274,820 | $10.4M | 0.01% | −475,210−63.4% | Reduced |
| Federated Hermes, Inc. | 277,694 | $10.5M | 0.02% | +8,052+3.0% | Added |
| Captrust Financial Advisors | 278,678 | $10.6M | 0.02% | +4,259+1.6% | Added |
| Congress Asset Management Co | 285,462 | $10.8M | 0.07% | +33,060+13.1% | Added |
| AQR Capital Management LLC | 295,923 | $11.2M | 0.00% | +10,895+3.8% | Added |
| Bank of New York Mellon Corp | 311,009 | $11.8M | 0.00% | +8,042+2.7% | Added |
| Charles Schwab Investment Management Inc | 354,531 | $13.5M | 0.00% | +15,971+4.7% | Added |
| Goldman Sachs Group Inc | 369,290 | $14.0M | 0.00% | −34,004−8.4% | Reduced |
| Envestnet Asset Management Inc | 378,803 | $14.4M | 0.00% | +3,165+0.8% | Added |
| Point72 Asset Management, L.P. | 379,686 | $14.4M | 0.02% | −102,586−21.3% | Reduced |
| Renaissance Technologies LLC | 406,200 | $15.4M | 0.02% | −30,600−7.0% | Reduced |
| Royal Bank of Canada | 406,408 | $15.4M | 0.00% | −70,150−14.7% | Reduced |
| Deprince Race & Zollo Inc | 408,632 | $15.5M | 0.26% | +289,869+244.1% | Added |
| Bessemer Group Inc | 430,452 | $16.4M | 0.02% | +137,585+47.0% | Added |
| Fundsmith LLPSuperinvestorFundsmith | 606,974 | $23.1M | 0.17% | +223,378+58.2% | Added |
| Northern Trust Corp | 610,616 | $23.2M | 0.00% | +26,289+4.5% | Added |
| Doma Perpetual Capital Management LLC | 627,931 | $23.8M | 5.54% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 697,937 | $26.5M | 0.01% | −148,103−17.5% | Reduced |
| Dimensional Fund Advisors LP | 725,550 | $27.6M | 0.00% | +22,698+3.2% | Added |
| Morgan Stanley | 959,777 | $36.5M | 0.00% | +494,916+106.5% | Added |
| Wellington Management Group LLP | 1,102,280 | $41.9M | 0.01% | +172,681+18.6% | Added |
| Geode Capital Management, LLC | 1,196,951 | $45.5M | 0.00% | +88,859+8.0% | Added |
| First Trust Advisors LP | 1,304,074 | $49.5M | 0.03% | +618,885+90.3% | Added |
| Vanguard Portfolio Management LLC | 1,494,431 | $56.8M | 0.00% | +30,219+2.1% | Added |
| State Street Corp | 1,504,759 | $57.4M | 0.00% | +73,256+5.1% | Added |
| Vanguard Capital Management LLC | 1,526,818 | $58.0M | 0.00% | +21,641+1.4% | Added |
| Jupiter Topco LLC | 1,682,208 | $63.9M | 0.03% | +1,682,208 | New |
| Copeland Capital Management, LLC | 2,016,873 | $76.6M | 1.57% | +7,784+0.4% | Added |
| BlackRock, Inc. | 5,632,646 | $213.9M | 0.00% | −49,124−0.9% | Reduced |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −166,639−100.0% | Sold out |
| Uniplan Investment Counsel, Inc. | 0 | $0 | 0.00% | −113,389−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −89,398−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −69,690−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −27,984−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −27,424−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −26,100−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −19,318−100.0% | Sold out |
| Ellsworth Advisors, LLC | 0 | $0 | 0.00% | −18,774−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −18,558−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −14,598−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −14,486−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −13,680−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −10,839−100.0% | Sold out |
| Tributary Capital Management, LLC | 0 | $0 | 0.00% | −10,248−100.0% | Sold out |
| Verdad Advisers, LP | 0 | $0 | 0.00% | −8,091−100.0% | Sold out |
| GWN Securities Inc. | 0 | $0 | 0.00% | −7,521−100.0% | Sold out |
| Swiss Life Asset Management Ltd | 0 | $0 | 0.00% | −6,158−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −5,751−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −5,737−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −5,566−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −5,386−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −5,304−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −5,275−100.0% | Sold out |
| NLB Skladi, upravljanje premozenja, d.o.o. | 0 | $0 | 0.00% | −5,200−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −1,020−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −741−100.0% | Sold out |
| KBC Group NV | 0 | $0 | 0.00% | −651−100.0% | Sold out |
| Salomon & Ludwin, LLC | 0 | $0 | 0.00% | −346−100.0% | Sold out |
| UMA Financial Services, Inc. | 0 | $0 | 0.00% | −177−100.0% | Sold out |
| Whipplewood Advisors, LLC | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Gilpin Wealth Management, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Ankerstar Wealth, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Laurus Investment Counsel Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |