Napco Security TechnologiesNSSC
13F holders, Q2 2025 (June 30)221holders −8
30new positions
40sold out
10famous investors
$29.69avg. 13F price*
At the end of Q2 2025, 221 institutions reported holding Napco Security Technologies (NSSC) in their 13F filings, down 8 from Q1 2025. 30 opened new positions and 40 sold out. The largest holders were BlackRock, Inc. ($89.0M), Vanguard Group Inc. ($84.9M) and Copeland Capital Management, LLC ($47.1M). 10 famous investors held it, including Terry Smith (0.1% of Fundsmith's portfolio), Mario Gabelli (0.1% of GAMCO Investors's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Napco Security Technologies
- CUSIP
- 630402105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 30 | $60.2M |
| Exits | 40 | $18.5M |
All 13F filers, Q1 2025 → Q2 2025: 4,946,947 shares bought and 4,269,834 shares sold, net +677,113 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 221 holders
| BlackRock, Inc. | 0.00% | Reduce -1.4% | 2,998,601 | $89.0M |
| Vanguard Group Inc. | 0.00% | Reduce -1.5% | 2,859,435 | $84.9M |
| Copeland Capital Management, LLC | 0.97% | Add +6.1% | 1,585,684 | $47.1M |
| Janus Henderson Group PLC | 0.02% | Add +51.8% | 1,468,686 | $43.6M |
| Doma Perpetual Capital Management LLC | 13.22% | No change | 1,175,655 | $34.9M |
| Wellington Management Group LLP | 0.01% | Add +60.0% | 1,039,222 | $30.9M |
| Geode Capital Management, LLC | 0.00% | Add +1.4% | 1,031,547 | $30.6M |
| Fundsmith | 0.12% | New | 954,912 | $28.4M |
| State Street Corp. | 0.00% | Reduce -0.1% | 813,664 | $24.3M |
| Royal Bank of Canada | 0.00% | Add +10.5% | 803,965 | $23.9M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -15.5% | 719,345 | $21.4M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -9.7% | 643,348 | $19.1M |
| Northern Trust Corp. | 0.00% | Reduce -4.6% | 642,415 | $19.1M |
| Morgan Stanley | 0.00% | Add +3.5% | 600,514 | $17.8M |
| JPMorgan Chase & Co. | 0.00% | Add +8.5% | 597,552 | $17.7M |
| Emerald Advisers, LLC | 0.57% | Add +27.2% | 519,760 | $15.4M |
| Qube Research & Technologies Ltd | 0.02% | Add +32.3% | 462,750 | $13.7M |
| FMR LLC | 0.00% | Reduce -60.6% | 431,246 | $12.8M |
| Jacobs Levy Equity Management, Inc. | 0.05% | Add +106.4% | 430,323 | $12.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -30.0% | 412,285 | $12.2M |
| Rockefeller Capital Management L.P. | 0.03% | Add +4.3% | 384,549 | $11.4M |
| Granite Investment Partners, LLC | 0.50% | Reduce -7.2% | 347,170 | $10.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -3.4% | 334,669 | $9.9M |
| Millennium Management | 0.01% | Reduce -57.7% | 325,414 | $9.7M |
| Voloridge Investment Management, LLC | 0.03% | Reduce -33.8% | 319,465 | $9.5M |
| AQR Capital Management | 0.01% | Add +7.6% | 307,879 | $9.1M |
| Renaissance Technologies | 0.01% | Add +18.1% | 298,800 | $8.9M |
| CenterBook Partners LP | 0.45% | Reduce -23.4% | 272,892 | $8.1M |
| Visionary Wealth Advisors | 0.40% | Reduce -0.0% | 266,259 | $7.9M |
| Congress Asset Management Co. | 0.05% | Reduce -5.8% | 262,494 | $7.8M |
| Bank of America Corp. | 0.00% | Reduce -11.9% | 250,164 | $7.4M |
| Canada Pension Plan Investment Board | 0.01% | Add +319.1% | 246,400 | $7.3M |
| Alta Capital Management LLC/ | 0.41% | Reduce -40.6% | 242,414 | $7.2M |
| Emerald Mutual Fund Advisers Trust | 0.41% | Add +3.0% | 227,852 | $6.8M |
| Wasatch Advisors LP | 0.03% | New | 220,998 | $6.6M |
| United Capital Financial Advisors, LLC | 0.05% | Reduce -1.2% | 207,112 | $6.1M |
| Algert Global LLC | 0.13% | Add +10.0% | 202,002 | $6.0M |
| Norges Bank | 0.00% | Add +775.7% | 200,835 | $6.0M |
| Bank of New York Mellon Corp | 0.00% | Add +0.5% | 200,646 | $6.0M |
| GAMCO Investors | 0.06% | Reduce -2.5% | 198,000 | $5.9M |
| Tudor Investment Corporation | 0.04% | New | 197,433 | $5.9M |
| D. E. Shaw & Co. | 0.01% | New | 186,816 | $5.5M |
| Rice Hall James & Associates, LLC | 0.30% | Reduce -4.3% | 186,357 | $5.5M |
| Federated Hermes, Inc. | 0.01% | Reduce -2.1% | 181,646 | $5.4M |
| Kornitzer Capital Management Inc. | 0.10% | Reduce -36.9% | 173,580 | $5.2M |
| Marshall Wace, LLP | 0.01% | Add +383.6% | 166,509 | $4.9M |
| BNP Paribas Financial Markets | 0.00% | Add +13.4% | 164,800 | $4.9M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Reduce -17.1% | 162,800 | $4.8M |
| SG Capital Management LLC | 0.39% | New | 154,726 | $4.6M |
| PDT Partners, LLC | 0.26% | Add +17.1% | 153,596 | $4.6M |
| HighTower Advisors, LLC | 0.00% | Reduce -0.8% | 132,920 | $3.9M |
| McMorgan & Co. LLC | 0.57% | Add +41.0% | 131,073 | $3.9M |
| Russell Investments Group, Ltd. | 0.01% | Add +18.9% | 130,828 | $3.9M |
| Redmond Asset Management, LLC | 0.92% | Reduce -1.5% | 129,625 | $3.8M |
| Uniplan Investment Counsel, Inc. | 0.38% | Reduce -6.1% | 122,959 | $3.7M |
| UBS Group AG | 0.00% | Add +13.4% | 120,590 | $3.6M |
| Bridge City Capital, LLC | 0.98% | Reduce -1.4% | 118,215 | $3.5M |
| Isthmus Partners, LLC | 0.41% | Add +14.3% | 117,032 | $3.5M |
| Verition Fund Management LLC | 0.02% | Add +83.2% | 116,958 | $3.5M |
| Citadel Advisors | 0.00% | Add +117.0% | 112,738 | $3.3M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 112,076 | $3.3M |
| Divisadero Street Capital Management, LP | 0.22% | No change | 111,566 | $3.3M |
| Voleon Capital Management LP | 0.17% | Add +11.4% | 106,742 | $3.2M |
| Stifel Financial Corp. | 0.00% | Add +17.0% | 106,315 | $3.2M |
| Jump Financial, LLC | 0.04% | Add +78.6% | 96,775 | $2.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +35.4% | 90,013 | $2.7M |
| Allianz Asset Management GmbH | 0.00% | Reduce -13.0% | 88,308 | $2.6M |
| American Century Companies Inc. | 0.00% | Add +4.7% | 88,226 | $2.6M |
| Trexquant Investment LP | 0.03% | Add +33.5% | 86,949 | $2.6M |
| First National Bank of Omaha | 0.17% | Reduce -0.3% | 86,564 | $2.6M |
| Hantz Financial Services, Inc. | 0.04% | Reduce -34.0% | 86,354 | $2.6M |
| Sei Investments Co. | 0.00% | Add +49.5% | 82,462 | $2.4M |
| First National Advisers, LLC | 0.36% | Add +1.3% | 82,414 | $2.4M |
| Point72 Asset Management | 0.01% | Reduce -74.1% | 78,694 | $2.3M |
| Man Group plc | 0.01% | Add +2.4% | 77,447 | $2.3M |
| Jane Street Group, LLC | 0.00% | Reduce -21.9% | 76,681 | $2.3M |
| Nuveen, LLC | 0.00% | Reduce -17.2% | 76,534 | $2.3M |
| Y-Intercept (Hong Kong) Ltd | 0.05% | Add +74.0% | 75,432 | $2.2M |
| New York State Common Retirement Fund | 0.00% | No change | 74,963 | $2.2M |
| Swiss National Bank | 0.00% | Reduce -2.3% | 69,500 | $2.1M |
| Barclays PLC | 0.00% | Add +45.9% | 69,380 | $2.1M |
| Deprince Race & Zollo Inc. | 0.04% | Reduce -7.7% | 62,639 | $1.9M |
| Taylor Frigon Capital Management LLC | 0.99% | Reduce -6.0% | 62,461 | $1.9M |
| Laurus Global Equity Management Inc. | 1.21% | Reduce -21.6% | 62,360 | $1.9M |
| Hennion & Walsh Asset Management, Inc. | 0.07% | Add +3.2% | 56,218 | $1.7M |
| Engineers Gate Manager LP | 0.02% | Add +81.8% | 53,355 | $1.6M |
| Rhumbline Advisers | 0.00% | Add +5.0% | 52,941 | $1.6M |
| XTX Topco Ltd | 0.07% | Add +170.7% | 52,897 | $1.6M |
| Susquehanna International Group, LLP | 0.00% | Reduce -11.8% | 51,698 | $1.5M |
| HRT Financial LP | 0.01% | Add +49.7% | 49,625 | $1.5M |
| Numerai GP LLC | 0.20% | Add +119.8% | 45,851 | $1.4M |
| Legal & General Group Plc | 0.00% | Add +5.6% | 43,507 | $1.3M |
| Teachers Retirement System of the State of Kentucky | 0.01% | Add +16.5% | 43,112 | $1.3M |
| Linden Thomas Advisory Services, LLC | 0.13% | Add +50.7% | 40,971 | $1.2M |
| LPL Financial LLC | 0.00% | Reduce -8.8% | 39,009 | $1.2M |
| Invesco Ltd. | 0.00% | Reduce -7.0% | 38,159 | $1.1M |
| Ieq Capital, LLC | 0.01% | Add +53.4% | 37,417 | $1.1M |
| Balyasny Asset Management L.P. | 0.00% | Add +196.5% | 37,233 | $1.1M |
| Alliancebernstein L.P. | 0.00% | Reduce -1.8% | 36,352 | $1.1M |
| California State Teachers Retirement System | 0.00% | Reduce -1.1% | 33,974 | $1.0M |
"% of holder's portfolio" is NSSC's weight in each manager's 13F, not the share of Napco Security Technologies the manager owns.