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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,632,646 | $213.9M | 0.00% | −49,124−0.9% | Reduced |
| Copeland Capital Management, LLC | 2,016,873 | $76.6M | 1.57% | +7,784+0.4% | Added |
| Jupiter Topco LLC | 1,682,208 | $63.9M | 0.03% | +1,682,208 | New |
| Vanguard Capital Management LLC | 1,526,818 | $58.0M | 0.00% | +21,641+1.4% | Added |
| State Street Corp | 1,504,759 | $57.4M | 0.00% | +73,256+5.1% | Added |
| Vanguard Portfolio Management LLC | 1,494,431 | $56.8M | 0.00% | +30,219+2.1% | Added |
| First Trust Advisors LP | 1,304,074 | $49.5M | 0.03% | +618,885+90.3% | Added |
| Geode Capital Management, LLC | 1,196,951 | $45.5M | 0.00% | +88,859+8.0% | Added |
| Wellington Management Group LLP | 1,102,280 | $41.9M | 0.01% | +172,681+18.6% | Added |
| Morgan Stanley | 959,777 | $36.5M | 0.00% | +494,916+106.5% | Added |
| Dimensional Fund Advisors LP | 725,550 | $27.6M | 0.00% | +22,698+3.2% | Added |
| Arrowstreet Capital, Limited Partnership | 697,937 | $26.5M | 0.01% | −148,103−17.5% | Reduced |
| Doma Perpetual Capital Management LLC | 627,931 | $23.8M | 5.54% | 00.0% | Unchanged |
| Northern Trust Corp | 610,616 | $23.2M | 0.00% | +26,289+4.5% | Added |
| Fundsmith LLPSuperinvestorFundsmith | 606,974 | $23.1M | 0.17% | +223,378+58.2% | Added |
| Bessemer Group Inc | 430,452 | $16.4M | 0.02% | +137,585+47.0% | Added |
| Deprince Race & Zollo Inc | 408,632 | $15.5M | 0.26% | +289,869+244.1% | Added |
| Royal Bank of Canada | 406,408 | $15.4M | 0.00% | −70,150−14.7% | Reduced |
| Renaissance Technologies LLC | 406,200 | $15.4M | 0.02% | −30,600−7.0% | Reduced |
| Point72 Asset Management, L.P. | 379,686 | $14.4M | 0.02% | −102,586−21.3% | Reduced |
| Envestnet Asset Management Inc | 378,803 | $14.4M | 0.00% | +3,165+0.8% | Added |
| Goldman Sachs Group Inc | 369,290 | $14.0M | 0.00% | −34,004−8.4% | Reduced |
| Charles Schwab Investment Management Inc | 354,531 | $13.5M | 0.00% | +15,971+4.7% | Added |
| Bank of New York Mellon Corp | 311,009 | $11.8M | 0.00% | +8,042+2.7% | Added |
| AQR Capital Management LLC | 295,923 | $11.2M | 0.00% | +10,895+3.8% | Added |
| Congress Asset Management Co | 285,462 | $10.8M | 0.07% | +33,060+13.1% | Added |
| Captrust Financial Advisors | 278,678 | $10.6M | 0.02% | +4,259+1.6% | Added |
| Federated Hermes, Inc. | 277,694 | $10.5M | 0.02% | +8,052+3.0% | Added |
| Prudential Financial Inc | 274,820 | $10.4M | 0.01% | −475,210−63.4% | Reduced |
| Los Angeles Capital Management LLC | 274,050 | $10.4M | 0.04% | +152,598+125.6% | Added |
| Granite Investment Partners, LLC | 266,069 | $10.1M | 0.52% | −1,457−0.5% | Reduced |
| Visionary Wealth Advisors | 262,368 | $9.96M | 0.39% | −330.0% | Reduced |
| Trexquant Investment LP | 261,334 | $9.93M | 0.06% | +90,196+52.7% | Added |
| Russell Investments Group, Ltd. | 256,442 | $9.74M | 0.01% | +42,655+20.0% | Added |
| Nuveen, LLC | 255,569 | $9.71M | 0.00% | +56,440+28.3% | Added |
| Vanguard Fiduciary Trust Co | 254,169 | $9.65M | 0.00% | +7,528+3.1% | Added |
| Wasatch Advisors Inc | 242,585 | $9.21M | 0.06% | 00.0% | Unchanged |
| Principal Financial Group Inc | 230,017 | $8.74M | 0.00% | +4,703+2.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 224,298 | $8.52M | 0.01% | +192,085+596.3% | Added |
| Crawford Investment Counsel Inc | 223,794 | $8.50M | 0.14% | +84,506+60.7% | Added |
| JPMorgan Chase & Co | 214,871 | $8.07M | 0.00% | +112,308+109.5% | Added |
| HRT Financial LP | 202,166 | $7.68M | 0.01% | +136,344+207.1% | Added |
| Jacobs Levy Equity Management, Inc | 201,670 | $7.66M | 0.03% | −211,118−51.1% | Reduced |
| UBS Asset Management Americas Inc | 196,242 | $7.45M | 0.00% | −75,785−27.9% | Reduced |
| Invesco Ltd. | 190,854 | $7.25M | 0.00% | +66,465+53.4% | Added |
| New York State Common Retirement Fund | 186,274 | $7.07M | 0.01% | +113,359+155.5% | Added |
| Gamco Investors, Inc. Et Al | 178,900 | $6.79M | 0.06% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 178,187 | $6.79M | 0.01% | +59,394+50.0% | Added |
| Two Sigma Investments, LP | 172,667 | $6.56M | 0.00% | +86,467+100.3% | Added |
| SG Capital Management LLC | 170,793 | $6.49M | 0.59% | +63,625+59.4% | Added |
| Kornitzer Capital Management Inc | 168,717 | $6.41M | 0.13% | −636−0.4% | Reduced |
| UBS Group AG | 167,284 | $6.35M | 0.00% | +116,516+229.5% | Added |
| Bank of America Corp | 158,484 | $6.02M | 0.00% | −63,281−28.5% | Reduced |
| Rice Hall James & Associates, LLC | 153,577 | $5.83M | 0.28% | +6,804+4.6% | Added |
| Public Sector Pension Investment Board | 153,239 | $5.82M | 0.02% | +25,685+20.1% | Added |
| SEI Investments Co | 134,961 | $5.13M | 0.00% | +3,543+2.7% | Added |
| Isthmus Partners, LLC | 117,950 | $4.48M | 0.43% | +2,281+2.0% | Added |
| Redmond Asset Management, LLC | 117,784 | $4.47M | 1.12% | −930−0.8% | Reduced |
| HighTower Advisors, LLC | 112,128 | $4.26M | 0.00% | −6,001−5.1% | Reduced |
| Alta Capital Management LLC | 109,200 | $4.15M | 0.31% | −11,330−9.4% | Reduced |
| American Century Companies Inc | 97,700 | $3.71M | 0.00% | +7,229+8.0% | Added |
| CBOE Vest Financial, LLC | 96,069 | $3.65M | 0.04% | +50,666+111.6% | Added |
| PDT Partners, LLC | 93,227 | $3.54M | 0.19% | −24,053−20.5% | Reduced |
| Stifel Financial Corp | 93,156 | $3.54M | 0.00% | −537−0.6% | Reduced |
| Legal & General Group Plc | 84,279 | $3.20M | 0.00% | +1,043+1.3% | Added |
| Bridge City Capital, LLC | 84,131 | $3.20M | 0.73% | +25,521+43.5% | Added |
| Rhumbline Advisers | 83,395 | $3.17M | 0.00% | −10,171−10.9% | Reduced |
| Linden Thomas Advisory Services, LLC | 80,539 | $3.06M | 0.25% | +8,067+11.1% | Added |
| Canada Pension Plan Investment Board | 71,300 | $2.71M | 0.00% | −91,100−56.1% | Reduced |
| Swiss National Bank | 70,000 | $2.66M | 0.00% | −400−0.6% | Reduced |
| Ameriprise Financial Inc | 66,266 | $2.52M | 0.00% | +1,543+2.4% | Added |
| Teachers Retirement System of the State of Kentucky | 64,611 | $2.45M | 0.02% | +12,649+24.3% | Added |
| SG Americas Securities, LLC | 62,694 | $2.38M | 0.00% | +38,474+158.9% | Added |
| Vident Advisory, LLC | 60,130 | $2.28M | 0.02% | +11,239+23.0% | Added |
| Quantinno Capital Management LP | 58,972 | $2.24M | 0.00% | +39,508+203.0% | Added |
| Victory Capital Management Inc | 58,024 | $2.20M | 0.00% | +9,505+19.6% | Added |
| Engineers Gate Manager LP | 55,530 | $2.11M | 0.03% | +14,348+34.8% | Added |
| Divisadero Street Capital Management, LP | 50,799 | $1.93M | 0.05% | 00.0% | Unchanged |
| Seizert Capital Partners, LLC | 48,631 | $1.85M | 0.08% | +3,796+8.5% | Added |
| CI Private Wealth, LLC | 48,576 | $1.84M | 0.00% | +37,186+326.5% | Added |
| Raymond James Financial Inc | 48,084 | $1.83M | 0.00% | +5,082+11.8% | Added |
| Allianz Asset Management GmbH | 42,200 | $1.60M | 0.00% | −18,450−30.4% | Reduced |
| Wells Fargo & Company | 41,503 | $1.58M | 0.00% | +20,045+93.4% | Added |
| Virginia Retirement Systems Et Al | 40,948 | $1.56M | 0.01% | +25,200+160.0% | Added |
| First National Bank of Omaha | 40,823 | $1.55M | 0.04% | −39,504−49.2% | Reduced |
| First National Advisers, LLC | 39,698 | $1.51M | 0.21% | −32,549−45.1% | Reduced |
| Gotham Asset Management, LLC | 39,438 | $1.50M | 0.00% | −6,644−14.4% | Reduced |
| California State Teachers Retirement System | 39,313 | $1.49M | 0.00% | −9,183−18.9% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 39,026 | $1.48M | 0.04% | +1,069+2.8% | Added |
| Algert Global LLC | 39,018 | $1.48M | 0.02% | −202,138−83.8% | Reduced |
| Alliancebernstein L.P. | 36,250 | $1.43M | 0.00% | −1,392−3.7% | Reduced |
| Deutsche Bank AG | 37,232 | $1.41M | 0.00% | +5,757+18.3% | Added |
| Hantz Financial Services, Inc. | 34,513 | $1.31M | 0.02% | −3,238−8.6% | Reduced |
| Winton Group Ltd | 34,239 | $1.30M | 0.04% | +1,491+4.6% | Added |
| Price T Rowe Associates Inc | 34,030 | $1.29M | 0.00% | +2,994+9.6% | Added |
| Capital Fund Management S.A. | 33,487 | $1.27M | 0.01% | +33,487 | New |
| Barclays PLC | 31,044 | $1.18M | 0.00% | +16,899+119.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,449 | $1.16M | 0.00% | +3,113+11.4% | Added |
| Creative Planning | 30,383 | $1.15M | 0.00% | −6,627−17.9% | Reduced |
| Magnetar Financial LLC | 29,415 | $1.12M | 0.01% | +6,723+29.6% | Added |