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 |
| Principal Financial Group Inc. | 0.00% | Add +56.4% | 33,387 | $991K |
| Pathstone Holdings, LLC | 0.00% | Add +87.7% | 32,004 | $950K |
| GW&K Investment Management, LLC | 0.01% | Reduce -93.1% | 30,488 | $905K |
| Heritage Investors Management Corp. | 0.03% | No change | 29,097 | $864K |
| Gotham Asset Management | 0.00% | Add +17.6% | 27,537 | $818K |
| Legato Capital Management LLC | 0.10% | No change | 27,474 | $816K |
| Brevan Howard Capital Management LP | 0.01% | New | 27,334 | $812K |
| Nebula Research & Development LLC | 0.07% | Reduce -9.2% | 26,746 | $794K |
| Caxton Associates LLP | 0.02% | New | 24,575 | $730K |
| Deutsche Bank AG | 0.00% | Reduce -85.9% | 24,449 | $726K |
| Raffles Associates LP | 0.76% | Reduce -10.9% | 24,424 | $725K |
| Gsa Capital Partners LLP | 0.05% | Reduce -33.0% | 24,103 | $716K |
| Two Sigma Advisers, LP | 0.00% | New | 23,400 | $695K |
| T. Rowe Price Associates Inc. | 0.00% | Add +11.0% | 23,152 | $688K |
| Wells Fargo & Company | 0.00% | Reduce -59.3% | 22,187 | $659K |
| Sentinel Pension Advisors, LLC | 0.11% | New | 22,084 | $656K |
| Magnetar Financial LLC | 0.00% | Add +58.8% | 22,065 | $655K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +0.7% | 21,561 | $640K |
| MetLife Investment Management, LLC | 0.00% | No change | 21,106 | $627K |
| Creative Planning | 0.00% | Add +27.6% | 20,963 | $622K |
| Franklin Resources Inc. | 0.00% | Add +0.6% | 20,170 | $599K |
| Gabelli Funds LLC | 0.00% | No change | 20,000 | $594K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -7.5% | 19,321 | $574K |
| AlphaQuest LLC | 0.06% | Add +261.7% | 19,178 | $569K |
| NFSG Corp | 0.09% | Add +3635.2% | 19,012 | $564K |
| Truist Financial Corp. | 0.00% | Reduce -22.5% | 18,820 | $559K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -1.6% | 17,996 | $534K |
| EntryPoint Capital, LLC | 0.26% | Add +20.5% | 17,540 | $521K |
| Cwm, LLC | 0.00% | Add +60.2% | 17,135 | $509K |
| Intech Investment Management LLC | 0.00% | Reduce -32.5% | 17,142 | $509K |
| Neuberger Berman Group LLC | 0.00% | Add +18.0% | 16,866 | $501K |
| Aviva PLC | 0.00% | Reduce -32.9% | 16,638 | $494K |
| AdvisorShares Investments LLC | 0.09% | Reduce -15.8% | 16,163 | $480K |
| Citigroup Inc. | 0.00% | Reduce -45.0% | 15,718 | $467K |
| Teacher Retirement System of Texas | 0.00% | Reduce -19.5% | 15,670 | $465K |
| Snowden Capital Advisors LLC | 0.01% | Add +9.3% | 15,515 | $463K |
| Avantax Advisory Services, Inc. | 0.00% | Add +33.7% | 15,474 | $459K |
| Cerity Partners LLC | 0.00% | New | 15,319 | $455K |
| State of Wisconsin Investment Board | 0.00% | New | 15,081 | $448K |
| Bessemer Group Inc. | 0.00% | Add +13.6% | 14,772 | $439K |
| Cynosure Group, LLC | 0.05% | Reduce -79.4% | 14,719 | $437K |
| Two Sigma Investments, LP | 0.00% | New | 14,031 | $417K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 13,925 | $414K |
| Quantinno Capital Management LP | 0.00% | Add +36.8% | 13,883 | $412K |
| Lazard Asset Management LLC | 0.00% | Add +7.7% | 13,425 | $398K |
| Cim, LLC | 0.05% | Add +19.5% | 13,164 | $391K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 11,443 | $345K |
| Tributary Capital Management, LLC | 0.03% | No change | 10,748 | $319K |
| Arizona State Retirement System | 0.00% | Add +1.2% | 10,611 | $315K |
| Corient IA LP | 0.17% | No change | 10,000 | $297K |
| Voya Investment Management LLC | 0.00% | Add +1.1% | 9,604 | $285K |
| Earnest Partners LLC | 0.00% | No change | 9,600 | $285K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 9,090 | $270K |
| Comerica Bank | 0.00% | Add +29.2% | 8,455 | $251K |
| Janney Montgomery Scott LLC | 0.00% | New | 7,933 | $236K |
| Personal Cfo Solutions, LLC | 0.04% | New | 7,785 | $231K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 7,721 | $229K |
| Kestra Advisory Services, LLC | 0.00% | New | 7,464 | $222K |
| ProShare Advisors LLC | 0.00% | New | 7,230 | $215K |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.00% | New | 7,048 | $209K |
| Graham Capital Management, L.P. | 0.01% | Reduce -43.5% | 7,037 | $209K |
| KLP Kapitalforvaltning As | 0.00% | No change | 6,700 | $200K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 6,222 | $185K |
| Barrett & Company, Inc. | 0.07% | Add +0.1% | 6,007 | $178K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +293.0% | 5,027 | $149K |
| US Bancorp \de | 0.00% | Add +104.8% | 4,826 | $143K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 4,553 | $134K |
| Raymond James Financial Inc. | 0.00% | New | 4,394 | $130K |
| SG Americas Securities, LLC | 0.00% | Reduce -96.2% | 4,380 | $130K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 3,551 | $105K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,439 | $102K |
| Walleye Trading LLC | 0.00% | New | 2,386 | $71K |
| Brooklyn Investment Group | 0.01% | Add +1128.9% | 2,040 | $61K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -53.2% | 1,793 | $53K |
| Truvestments Capital LLC | 0.01% | Reduce -9.8% | 1,620 | $48K |
| First Horizon Advisors, Inc. | 0.00% | Add +49.8% | 1,552 | $46K |
| Arax Advisory Partners | 0.00% | Add +8.5% | 1,480 | $44K |
| MPWM Advisory Solutions, LLC | 0.02% | Add +4.5% | 1,240 | $37K |
| Essential Partners LLC | 0.01% | — | 1,179 | $35K |
| Amalgamated Bank | 0.00% | No change | 1,180 | $35K |
| Versant Capital Management, Inc | 0.01% | Add +55.8% | 1,145 | $34K |
| Quaker Wealth Management, LLC | 0.01% | — | 1,050 | $31K |
| CBIZ Investment Advisory Services, LLC | 0.00% | Add +15.0% | 1,043 | $31K |
| Osaic Holdings, Inc. | 0.00% | Reduce -74.3% | 943 | $28K |
| Parkside Financial Bank & Trust | 0.00% | New | 747 | $22K |
| GAMMA Investing LLC | 0.00% | Reduce -33.5% | 736 | $22K |
| Binnacle Investments Inc | 0.01% | Add +71.7% | 728 | $22K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +259.3% | 618 | $18K |
| Nisa Investment Advisors, LLC | 0.00% | Add +237.3% | 597 | $18K |
| Maseco LLP | 0.00% | — | 585 | $17K |
| Signaturefd, LLC | 0.00% | Add +158.0% | 583 | $17K |
| Retirement Wealth Solutions LLC | 0.01% | Add +13.1% | 517 | $15K |
| Toth Financial Advisory Corp. | 0.00% | No change | 500 | $15K |
| Physician Wealth Advisors, Inc. | 0.00% | Reduce -59.1% | 425 | $13K |
| Financial Network Wealth Advisors LLC | 0.02% | Reduce -23.8% | 420 | $12K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +50.0% | 390 | $12K |
| Principal Securities, Inc. | 0.00% | Add +22.7% | 373 | $11K |
| Geneos Wealth Management Inc. | 0.00% | Add +30.1% | 251 | $7K |
| Allworth Financial LP | 0.00% | Add +100.0% | 220 | $7K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | New | 188 | $6K |
| IFP Advisors, Inc | 0.00% | New | 195 | $6K |
| WPG Advisers, LLC | 0.00% | Add +12.6% | 179 | $5K |
| Whipplewood Advisors, LLC | 0.00% | New | 108 | $3K |
| Parallel Advisors, LLC | 0.00% | Add +253.3% | 106 | $3K |
| Rothschild Investment LLC | 0.00% | Add +200.0% | 105 | $3K |
| Wolff Wiese Magana LLC | 0.00% | Reduce -50.0% | 100 | $3K |
| True Wealth Design, LLC | 0.00% | Reduce -70.1% | 88 | $3K |
| Jones Financial Companies LLLP | 0.00% | New | 88 | $3K |
| Sterling Capital Management LLC | 0.00% | Add +127.8% | 82 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -3.7% | 78 | $2K |
| Quarry LP | 0.00% | New | 66 | $2K |
| Elevation Point Wealth Partners, LLC | 0.00% | New | 66 | $2K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 52 | $2K |
| AdvisorNet Financial, Inc | 0.00% | No change | 49 | $1K |
| Covestor Ltd | 0.00% | Reduce -43.5% | 26 | $1K |
| Rosenberg Matthew Hamilton | 0.00% | No change | 7 | $208 |
| Clearstead Advisors, LLC | 0.00% | New | 5 | $149 |
| National Bank of Canada | 0.00% | New | 2 | $59 |
| Huntington National Bank | 0.00% | Reduce -99.9% | 1 | $30 |
| Creekmur Asset Management LLC | 0.00% | No change | 1 | $30 |
| Hemington Wealth Management | 0.00% | No change | 7 | $0 |
"% of holder's portfolio" is NSSC's weight in each manager's 13F, not the share of Napco Security Technologies the manager owns.