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 2025
Institutional positions in Napco Security Technologies, Inc as of Jun 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
- 221
- −7 vs. Q1 2025
- Shares held
- 32.3M
- +679.9K (+2.1%) vs. Q1 2025
- Total value
- $960.1M
- +$231.2M (+31.7%) vs. Q1 2025
- New holders
- 33
- 93 more added
- Sold out
- 40
- 70 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Napco Security Technologies, Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,998,601 | $89.0M | 0.00% | −42,829−1.4% | Reduced |
| Vanguard Group Inc | 2,859,435 | $84.9M | 0.00% | −42,236−1.5% | Reduced |
| Copeland Capital Management, LLC | 1,585,684 | $47.1M | 0.97% | +91,756+6.1% | Added |
| Janus Henderson Group PLC | 1,468,686 | $43.6M | 0.02% | +501,254+51.8% | Added |
| Doma Perpetual Capital Management LLC | 1,175,655 | $34.9M | 13.22% | 00.0% | Unchanged |
| Wellington Management Group LLP | 1,039,222 | $30.9M | 0.01% | +389,904+60.0% | Added |
| Geode Capital Management, LLC | 1,031,547 | $30.6M | 0.00% | +14,501+1.4% | Added |
| Fundsmith LLPSuperinvestorFundsmith | 954,912 | $28.4M | 0.12% | +954,912 | New |
| State Street Corp | 813,664 | $24.3M | 0.00% | −777−0.1% | Reduced |
| Royal Bank of Canada | 803,965 | $23.9M | 0.00% | +76,597+10.5% | Added |
| Dimensional Fund Advisors LP | 719,345 | $21.4M | 0.00% | −131,500−15.5% | Reduced |
| Envestnet Asset Management Inc | 643,348 | $19.1M | 0.01% | −69,326−9.7% | Reduced |
| Northern Trust Corp | 642,415 | $19.1M | 0.00% | −30,846−4.6% | Reduced |
| Morgan Stanley | 600,514 | $17.8M | 0.00% | +20,194+3.5% | Added |
| JPMorgan Chase & Co | 597,552 | $17.7M | 0.00% | +46,668+8.5% | Added |
| Emerald Advisers, LLC | 519,760 | $15.4M | 0.57% | +111,275+27.2% | Added |
| Qube Research & Technologies Ltd | 462,750 | $13.7M | 0.02% | +112,895+32.3% | Added |
| FMR LLC | 431,246 | $12.8M | 0.00% | −662,799−60.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 430,323 | $12.8M | 0.05% | +221,854+106.4% | Added |
| Goldman Sachs Group Inc | 412,285 | $12.2M | 0.00% | −177,005−30.0% | Reduced |
| Rockefeller Capital Management L.P. | 384,549 | $11.4M | 0.03% | +15,770+4.3% | Added |
| Granite Investment Partners, LLC | 347,170 | $10.3M | 0.50% | −27,011−7.2% | Reduced |
| Charles Schwab Investment Management Inc | 334,669 | $9.94M | 0.00% | −11,892−3.4% | Reduced |
| Millennium Management LLC | 325,414 | $9.66M | 0.01% | −444,375−57.7% | Reduced |
| Voloridge Investment Management, LLC | 319,465 | $9.48M | 0.03% | −163,355−33.8% | Reduced |
| AQR Capital Management LLC | 307,879 | $9.14M | 0.01% | +21,823+7.6% | Added |
| Renaissance Technologies LLC | 298,800 | $8.87M | 0.01% | +45,700+18.1% | Added |
| CenterBook Partners LP | 272,892 | $8.10M | 0.45% | −83,263−23.4% | Reduced |
| Visionary Wealth Advisors | 266,259 | $7.91M | 0.40% | −1100.0% | Reduced |
| Congress Asset Management Co | 262,494 | $7.79M | 0.05% | −16,302−5.8% | Reduced |
| Bank of America Corp | 250,164 | $7.43M | 0.00% | −33,725−11.9% | Reduced |
| Canada Pension Plan Investment Board | 246,400 | $7.32M | 0.01% | +187,600+319.0% | Added |
| Alta Capital Management LLC | 242,414 | $7.20M | 0.41% | −165,577−40.6% | Reduced |
| Emerald Mutual Fund Advisers Trust | 227,852 | $6.76M | 0.41% | +6,678+3.0% | Added |
| Wasatch Advisors Inc | 220,998 | $6.56M | 0.03% | +220,998 | New |
| United Capital Financial Advisers, LLC | 207,112 | $6.15M | 0.05% | −2,587−1.2% | Reduced |
| Algert Global LLC | 202,002 | $6.00M | 0.13% | +18,353+10.0% | Added |
| Norges Bank | 200,835 | $5.96M | 0.00% | +177,900+775.7% | Added |
| Bank of New York Mellon Corp | 200,646 | $5.96M | 0.00% | +1,015+0.5% | Added |
| Gamco Investors, Inc. Et Al | 198,000 | $5.88M | 0.06% | −5,000−2.5% | Reduced |
| Tudor Investment Corp Et Al | 197,433 | $5.86M | 0.04% | +197,433 | New |
| D. E. Shaw & Co., Inc. | 186,816 | $5.55M | 0.01% | +186,816 | New |
| Rice Hall James & Associates, LLC | 186,357 | $5.53M | 0.30% | −8,472−4.3% | Reduced |
| Federated Hermes, Inc. | 181,646 | $5.39M | 0.01% | −3,857−2.1% | Reduced |
| Kornitzer Capital Management Inc | 173,580 | $5.15M | 0.10% | −101,390−36.9% | Reduced |
| Marshall Wace, LLP | 166,509 | $4.94M | 0.01% | +132,075+383.6% | Added |
| BNP Paribas Arbitrage, SA | 164,800 | $4.89M | 0.00% | +19,467+13.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 162,800 | $4.83M | 0.01% | −33,500−17.1% | Reduced |
| SG Capital Management LLC | 154,726 | $4.59M | 0.39% | +154,726 | New |
| PDT Partners, LLC | 153,596 | $4.56M | 0.26% | +22,474+17.1% | Added |
| HighTower Advisors, LLC | 132,920 | $3.95M | 0.00% | −1,025−0.8% | Reduced |
| McMorgan & Co LLC | 131,073 | $3.89M | 0.57% | +38,114+41.0% | Added |
| Russell Investments Group, Ltd. | 130,828 | $3.88M | 0.00% | +20,762+18.9% | Added |
| Redmond Asset Management, LLC | 129,625 | $3.85M | 0.92% | −1,915−1.5% | Reduced |
| Uniplan Investment Counsel, Inc. | 122,959 | $3.65M | 0.37% | −8,025−6.1% | Reduced |
| UBS Group AG | 120,590 | $3.58M | 0.00% | +14,262+13.4% | Added |
| Bridge City Capital, LLC | 118,215 | $3.51M | 0.98% | −1,678−1.4% | Reduced |
| Isthmus Partners, LLC | 117,032 | $3.47M | 0.41% | +14,652+14.3% | Added |
| Verition Fund Management LLC | 116,958 | $3.47M | 0.02% | +53,106+83.2% | Added |
| Citadel Advisors LLC | 112,738 | $3.35M | 0.00% | +60,782+117.0% | Added |
| Arrowstreet Capital, Limited Partnership | 112,076 | $3.33M | 0.00% | +112,076 | New |
| Divisadero Street Capital Management, LP | 111,566 | $3.31M | 0.22% | 00.0% | Unchanged |
| Voleon Capital Management LP | 106,742 | $3.17M | 0.17% | +10,894+11.4% | Added |
| Stifel Financial Corp | 106,315 | $3.16M | 0.00% | +15,455+17.0% | Added |
| Jump Financial, LLC | 96,775 | $2.87M | 0.04% | +42,590+78.6% | Added |
| UBS Asset Management Americas Inc | 90,013 | $2.67M | 0.00% | +23,554+35.4% | Added |
| Allianz Asset Management GmbH | 88,308 | $2.62M | 0.00% | −13,200−13.0% | Reduced |
| American Century Companies Inc | 88,226 | $2.62M | 0.00% | +3,995+4.7% | Added |
| Trexquant Investment LP | 86,949 | $2.58M | 0.03% | +21,815+33.5% | Added |
| First National Bank of Omaha | 86,564 | $2.57M | 0.17% | −213−0.2% | Reduced |
| Hantz Financial Services, Inc. | 86,354 | $2.56M | 0.04% | −44,504−34.0% | Reduced |
| SEI Investments Co | 82,462 | $2.45M | 0.00% | +27,313+49.5% | Added |
| First National Advisers, LLC | 82,414 | $2.45M | 0.36% | +1,085+1.3% | Added |
| Point72 Asset Management, L.P. | 78,694 | $2.34M | 0.01% | −224,907−74.1% | Reduced |
| Man Group plc | 77,447 | $2.30M | 0.00% | +1,832+2.4% | Added |
| Jane Street Group, LLC | 76,681 | $2.28M | 0.00% | −21,540−21.9% | Reduced |
| Nuveen, LLC | 76,534 | $2.27M | 0.00% | −15,874−17.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 75,432 | $2.24M | 0.05% | +32,077+74.0% | Added |
| New York State Common Retirement Fund | 74,963 | $2.23M | 0.00% | 00.0% | Unchanged |
| Swiss National Bank | 69,500 | $2.06M | 0.00% | −1,600−2.3% | Reduced |
| Barclays PLC | 69,380 | $2.06M | 0.00% | +21,833+45.9% | Added |
| Deprince Race & Zollo Inc | 62,639 | $1.86M | 0.04% | −5,238−7.7% | Reduced |
| Taylor Frigon Capital Management LLC | 62,461 | $1.85M | 0.99% | −4,022−6.0% | Reduced |
| Laurus Investment Counsel Inc. | 62,360 | $1.85M | 1.21% | −17,200−21.6% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 56,218 | $1.67M | 0.07% | +1,736+3.2% | Added |
| Engineers Gate Manager LP | 53,355 | $1.58M | 0.02% | +23,998+81.7% | Added |
| Rhumbline Advisers | 52,941 | $1.57M | 0.00% | +2,495+4.9% | Added |
| XTX Topco Ltd | 52,897 | $1.57M | 0.07% | +33,358+170.7% | Added |
| Susquehanna International Group, LLP | 51,698 | $1.53M | 0.00% | −6,913−11.8% | Reduced |
| HRT Financial LP | 49,625 | $1.47M | 0.01% | +16,478+49.7% | Added |
| Numerai GP LLC | 45,851 | $1.36M | 0.20% | +24,988+119.8% | Added |
| Legal & General Group Plc | 43,507 | $1.29M | 0.00% | +2,310+5.6% | Added |
| Teachers Retirement System of the State of Kentucky | 43,112 | $1.28M | 0.01% | +6,093+16.5% | Added |
| Linden Thomas Advisory Services, LLC | 40,971 | $1.22M | 0.13% | +13,790+50.7% | Added |
| LPL Financial LLC | 39,009 | $1.16M | 0.00% | −3,764−8.8% | Reduced |
| Invesco Ltd. | 38,159 | $1.13M | 0.00% | −2,857−7.0% | Reduced |
| Ieq Capital, LLC | 37,417 | $1.11M | 0.01% | +13,021+53.4% | Added |
| Balyasny Asset Management LLC | 37,233 | $1.11M | 0.00% | +24,674+196.5% | Added |
| Alliancebernstein L.P. | 36,352 | $1.08M | 0.00% | −674−1.8% | Reduced |
| California State Teachers Retirement System | 33,974 | $1.01M | 0.00% | −376−1.1% | Reduced |