Napco Security TechnologiesNSSC
13F holders, Q1 2026 (March 31)271holders +17
45new positions
27sold out
8famous investors
$39.40avg. 13F price*
At the end of Q1 2026, 271 institutions reported holding Napco Security Technologies (NSSC) in their 13F filings, up 17 from Q4 2025. 45 opened new positions and 27 sold out. The largest holders were BlackRock, Inc. ($223.8M), Copeland Capital Management, LLC ($79.1M) and Vanguard Capital Management LLC ($59.3M). 8 famous investors held it, including Terry Smith (0.1% of Fundsmith's portfolio), Mario Gabelli (0.1% of GAMCO Investors's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Napco Security Technologies
- CUSIP
- 630402105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 45 | $46.4M |
| Exits | 27 | $44.2M |
All 13F filers, Q4 2025 → Q1 2026: 7,655,737 shares bought and 4,874,848 shares sold, net +2,780,889 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 271 holders
| BlackRock, Inc. | 0.00% | Add +76.2% | 5,681,770 | $223.8M |
| Copeland Capital Management, LLC | 1.76% | Add +41.4% | 2,009,089 | $79.1M |
| Vanguard Capital Management LLC | 0.00% | — | 1,505,177 | $59.3M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,464,212 | $57.7M |
| State Street Corp. | 0.00% | Add +59.7% | 1,431,503 | $56.5M |
| Janus Henderson Group PLC | 0.03% | Reduce -9.2% | 1,424,963 | $56.1M |
| Geode Capital Management, LLC | 0.00% | Add +7.7% | 1,108,092 | $43.7M |
| Wellington Management Group LLP | 0.01% | Add +5.7% | 929,599 | $36.6M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Reduce -2.1% | 846,040 | $33.3M |
| Prudential Financial Inc. | 0.04% | New | 750,030 | $29.5M |
| Dimensional Fund Advisors LP | 0.01% | Add +4.7% | 702,852 | $27.7M |
| First Trust Advisors LP | 0.02% | Reduce -4.1% | 685,189 | $27.0M |
| Doma Perpetual Capital Management LLC | 6.64% | No change | 627,931 | $24.7M |
| Northern Trust Corp. | 0.00% | Reduce -2.3% | 584,327 | $23.0M |
| Point72 Asset Management | 0.03% | Add +87.0% | 482,272 | $19.0M |
| Royal Bank of Canada | 0.00% | Reduce -17.9% | 476,558 | $18.8M |
| Morgan Stanley | 0.00% | Add +9.8% | 464,861 | $18.3M |
| Renaissance Technologies | 0.03% | Add +31.1% | 436,800 | $17.2M |
| Jacobs Levy Equity Management, Inc. | 0.07% | Reduce -0.5% | 412,788 | $16.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +30.0% | 403,294 | $15.9M |
| Fundsmith | 0.12% | Reduce -78.5% | 383,596 | $15.1M |
| Envestnet Asset Management Inc. | 0.00% | Add +2.7% | 375,638 | $14.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +7.5% | 338,560 | $13.3M |
| Bank of New York Mellon Corp | 0.00% | Add +40.3% | 302,967 | $11.9M |
| Bessemer Group Inc. | 0.02% | Add +1888.1% | 292,867 | $11.5M |
| AQR Capital Management | 0.01% | Reduce -4.0% | 285,028 | $11.2M |
| Captrust Financial Advisors | 0.02% | Add +48.0% | 274,419 | $10.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +107.5% | 272,027 | $10.7M |
| Federated Hermes, Inc. | 0.02% | Add +2.7% | 269,642 | $10.6M |
| Granite Investment Partners, LLC | 0.65% | Reduce -4.8% | 267,526 | $10.5M |
| Visionary Wealth Advisors | 0.46% | Reduce -0.0% | 262,401 | $10.3M |
| Congress Asset Management Co. | 0.07% | Add +39.1% | 252,402 | $9.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 246,641 | $9.7M |
| Wasatch Advisors LP | 0.06% | Add +10.7% | 242,585 | $9.6M |
| Algert Global LLC | 0.14% | Add +53.3% | 241,156 | $9.5M |
| Principal Financial Group Inc. | 0.00% | Add +239.7% | 225,314 | $8.9M |
| Bank of America Corp. | 0.00% | Reduce -28.6% | 221,765 | $8.7M |
| Russell Investments Group, Ltd. | 0.01% | Add +45.5% | 213,787 | $8.4M |
| Man Group plc | 0.02% | Add +75.7% | 209,630 | $8.3M |
| Nuveen, LLC | 0.00% | Add +169.9% | 199,129 | $7.8M |
| GAMCO Investors | 0.07% | Reduce -5.0% | 178,900 | $7.0M |
| Trexquant Investment LP | 0.05% | Add +29.6% | 171,138 | $6.7M |
| Kornitzer Capital Management Inc. | 0.14% | Reduce -0.6% | 169,353 | $6.7M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -55.7% | 166,639 | $6.6M |
| Canada Pension Plan Investment Board | 0.00% | Reduce -8.3% | 162,400 | $6.4M |
| Rice Hall James & Associates, LLC | 0.32% | Add +1.3% | 146,773 | $5.8M |
| Crawford Investment Counsel Inc. | 0.09% | Add +18.4% | 139,288 | $5.5M |
| CenterBook Partners LP | 0.28% | Reduce -0.7% | 132,467 | $5.2M |
| Sei Investments Co. | 0.00% | Add +39.0% | 131,418 | $5.2M |
| Public Sector Pension Investment Board | 0.02% | Add +127.7% | 127,554 | $5.0M |
| Invesco Ltd. | 0.00% | Add +153.3% | 124,389 | $4.9M |
| Los Angeles Capital Management LLC | 0.02% | Add +608.2% | 121,452 | $4.8M |
| Alta Capital Management LLC/ | 0.37% | Reduce -39.6% | 120,530 | $4.7M |
| Rockefeller Capital Management L.P. | 0.01% | Add +2.6% | 118,793 | $4.7M |
| Deprince Race & Zollo Inc. | 0.09% | Add +64.9% | 118,763 | $4.7M |
| Redmond Asset Management, LLC | 1.28% | Reduce -5.3% | 118,714 | $4.7M |
| HighTower Advisors, LLC | 0.00% | Reduce -3.9% | 118,129 | $4.7M |
| PDT Partners, LLC | 0.27% | Reduce -5.9% | 117,280 | $4.6M |
| Isthmus Partners, LLC | 0.48% | Reduce -5.1% | 115,669 | $4.6M |
| Uniplan Investment Counsel, Inc. | 0.47% | Reduce -5.8% | 113,389 | $4.5M |
| BNP Paribas Financial Markets | 0.00% | Reduce -48.6% | 112,950 | $4.4M |
| SG Capital Management LLC | 0.35% | Add +44.4% | 107,168 | $4.2M |
| Voloridge Investment Management, LLC | 0.02% | Reduce -46.5% | 99,238 | $3.9M |
| JPMorgan Chase & Co. | 0.00% | Add +45.6% | 102,563 | $3.9M |
| Stifel Financial Corp. | 0.00% | Reduce -3.1% | 93,693 | $3.7M |
| Rhumbline Advisers | 0.00% | Add +109.1% | 93,566 | $3.7M |
| American Century Companies Inc. | 0.00% | Reduce -12.3% | 90,471 | $3.6M |
| Walleye Capital LLC | 0.02% | Add +48.7% | 89,398 | $3.5M |
| Two Sigma Investments, LP | 0.00% | Add +224.1% | 86,200 | $3.4M |
| Legal & General Group Plc | 0.00% | Add +119.2% | 83,236 | $3.3M |
| First National Bank of Omaha | 0.10% | Reduce -0.9% | 80,327 | $3.2M |
| Thrivent Financial for Lutherans | 0.01% | Add +46.7% | 74,790 | $2.9M |
| New York State Common Retirement Fund | 0.00% | No change | 72,915 | $2.9M |
| Linden Thomas Advisory Services, LLC | 0.28% | Add +64.5% | 72,472 | $2.9M |
| First National Advisers, LLC | 0.42% | Reduce -12.6% | 72,247 | $2.8M |
| Swiss National Bank | 0.00% | No change | 70,400 | $2.8M |
| Citadel Advisors | 0.00% | Reduce -51.1% | 69,690 | $2.7M |
| HRT Financial LP | 0.01% | Reduce -25.9% | 65,822 | $2.6M |
| Ameriprise Financial Inc. | 0.00% | New | 64,723 | $2.5M |
| Allianz Asset Management GmbH | 0.00% | Reduce -24.3% | 60,650 | $2.4M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | Add +113.3% | 59,331 | $2.3M |
| Bridge City Capital, LLC | 0.64% | Reduce -1.4% | 58,610 | $2.3M |
| Voleon Capital Management LP | 0.04% | Reduce -35.9% | 52,868 | $2.1M |
| Teachers Retirement System of the State of Kentucky | 0.02% | Add +20.5% | 51,962 | $2.0M |
| Divisadero Street Capital Management, LP | 0.09% | Reduce -93.7% | 50,799 | $2.0M |
| UBS Group AG | 0.00% | Reduce -27.6% | 50,768 | $2.0M |
| Vident Advisory, LLC | 0.02% | New | 48,891 | $1.9M |
| Victory Capital Management Inc. | 0.00% | Add +20.0% | 48,519 | $1.9M |
| California State Teachers Retirement System | 0.00% | Add +37.4% | 48,496 | $1.9M |
| Gotham Asset Management | 0.01% | Add +124.8% | 46,082 | $1.8M |
| Vest Financial, LLC | 0.02% | Add +8.6% | 45,403 | $1.8M |
| Seizert Capital Partners, LLC | 0.08% | Add +0.7% | 44,835 | $1.8M |
| Raymond James Financial Inc. | 0.00% | New | 43,002 | $1.7M |
| Engineers Gate Manager LP | 0.02% | Reduce -39.1% | 41,182 | $1.6M |
| Alliancebernstein L.P. | 0.00% | Reduce -9.9% | 37,642 | $1.6M |
| Hennion & Walsh Asset Management, Inc. | 0.05% | Add +9.1% | 37,957 | $1.5M |
| Hantz Financial Services, Inc. | 0.02% | Reduce -49.1% | 37,751 | $1.5M |
| Creative Planning | 0.00% | Add +16.3% | 37,010 | $1.5M |
| Laurus Global Equity Management Inc. | 1.36% | Reduce -16.9% | 35,350 | $1.4M |
| Gsa Capital Partners LLP | 0.08% | Reduce -1.7% | 33,189 | $1.3M |
| WINTON GROUP Ltd | 0.05% | New | 32,748 | $1.3M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | Reduce -17.0% | 32,213 | $1.3M |
| State Board of Administration of Florida Retirement System | 0.00% | Add +157.4% | 32,129 | $1.3M |
| Deutsche Bank AG | 0.00% | Reduce -69.1% | 31,475 | $1.2M |
| T. Rowe Price Associates Inc. | 0.00% | Add +22.7% | 31,036 | $1.2M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +782.4% | 29,685 | $1.2M |
| Ieq Capital, LLC | 0.01% | Reduce -22.6% | 29,313 | $1.2M |
| Heritage Investors Management Corp. | 0.03% | No change | 29,097 | $1.1M |
| LPL Financial LLC | 0.00% | Reduce -7.8% | 28,700 | $1.1M |
| Balyasny Asset Management L.P. | 0.00% | Add +39.2% | 27,984 | $1.1M |
| Integrated Quantitative Investments LLC | 0.20% | Add +467.0% | 27,424 | $1.1M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +245.7% | 27,336 | $1.1M |
| GW&K Investment Management, LLC | 0.01% | Reduce -12.3% | 26,613 | $1.0M |
| Twinbeech Capital LP | 0.11% | New | 26,100 | $1.0M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 24,999 | $985K |
| Raffles Associates LP | 0.83% | No change | 24,424 | $962K |
| State of Alaska, Department of Revenue | 0.01% | Add +263.2% | 24,288 | $956K |
| SG Americas Securities, LLC | 0.00% | Reduce -43.1% | 24,220 | $954K |
| Teacher Retirement System of Texas | 0.00% | Add +38.1% | 23,989 | $945K |
| State of Tennessee, Department of Treasury | 0.00% | Add +209.0% | 23,544 | $927K |
| Magnetar Financial LLC | 0.01% | Add +52.4% | 22,692 | $894K |
| Franklin Resources Inc. | 0.00% | Reduce -4.5% | 21,631 | $852K |
| Cetera Investment Advisers | 0.00% | Reduce -5.6% | 21,559 | $849K |
| Wells Fargo & Company | 0.00% | Reduce -47.9% | 21,458 | $845K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -0.0% | 21,341 | $841K |
| HSBC Holdings PLC | 0.00% | Reduce -9.4% | 21,068 | $825K |
| MetLife Investment Management, LLC | 0.00% | Add +1.1% | 19,569 | $771K |
| Quantinno Capital Management LP | 0.00% | Add +3.2% | 19,464 | $767K |
| Susquehanna International Group, LLP | 0.00% | Reduce -34.1% | 19,318 | $761K |
| Ellsworth Advisors, LLC | 0.14% | New | 18,774 | $740K |
| Jefferies Financial Group Inc. | 0.01% | Add +210.2% | 18,558 | $731K |
| KLP Kapitalforvaltning As | 0.00% | No change | 18,400 | $727K |
| Gabelli Funds LLC | 0.01% | Reduce -8.0% | 18,400 | $725K |
| Harbor Capital Advisors, Inc. | 0.06% | New | 17,814 | $702K |
| STRS Ohio | 0.00% | Reduce -2.7% | 17,800 | $701K |
| Vanguard Global Advisers, LLC | 0.00% | — | 17,581 | $693K |
| Cerity Partners LLC | 0.00% | Add +1.3% | 17,416 | $686K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +42.7% | 17,099 | $682K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +1.2% | 16,181 | $637K |
| Fifth Third Bancorp | 0.00% | New | 15,901 | $626K |
| Louisiana State Employees Retirement System | 0.01% | New | 15,800 | $622K |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.00% | Add +20.7% | 15,748 | $620K |
| Cwm, LLC | 0.00% | Reduce -12.2% | 15,683 | $618K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -2.3% | 15,562 | $613K |
| Truist Financial Corp. | 0.00% | Reduce -12.5% | 15,357 | $605K |
| Neuberger Berman Group LLC | 0.00% | Add +2.4% | 15,164 | $597K |
| Millennium Management | 0.00% | Reduce -80.1% | 14,598 | $575K |
| XTX Topco Ltd | 0.01% | New | 14,486 | $571K |
| Lazard Asset Management LLC | 0.00% | Add +6.2% | 14,312 | $564K |
| Barclays PLC | 0.00% | Reduce -79.5% | 14,145 | $557K |
| Financiere des Professionnels - Fonds d'investissement inc. | 0.03% | New | 13,775 | $543K |
| Pathstone Holdings, LLC | 0.00% | Add +2.3% | 13,680 | $539K |
| Dynamic Technology Lab Private Ltd | 0.09% | Add +117.7% | 13,680 | $539K |
| Harbour Capital Advisors, LLC | 0.10% | New | 11,425 | $517K |
| Cim, LLC | 0.07% | Reduce -0.7% | 12,526 | $493K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +3936.6% | 12,231 | $482K |
| Alps Advisors Inc. | 0.00% | Add +5.8% | 11,628 | $458K |
| Corient Private Wealth LP | 0.00% | Reduce -16.2% | 11,390 | $449K |
| State of Wyoming | 0.05% | Reduce -4.2% | 11,343 | $447K |
| Citigroup Inc. | 0.00% | Add +294.6% | 11,283 | $444K |
| Marshall Wace, LLP | 0.00% | Reduce -88.9% | 10,839 | $427K |
| Aviva PLC | 0.00% | Reduce -10.8% | 10,544 | $415K |
| Snowden Capital Advisors LLC | 0.01% | Reduce -24.9% | 10,503 | $415K |
| Tributary Capital Management, LLC | 0.04% | Reduce -2.8% | 10,248 | $404K |
| Amalgamated Bank | 0.00% | Add +843.0% | 10,232 | $403K |
| Intech Investment Management LLC | 0.00% | Reduce -34.7% | 10,185 | $401K |
| Sentinel Pension Advisors, LLC | 0.06% | Reduce -19.9% | 10,046 | $396K |
| Yorktown Management & Research Co Inc | 0.33% | No change | 9,900 | $390K |
| Arizona State Retirement System | 0.00% | Reduce -1.5% | 9,794 | $386K |
| Earnest Partners LLC | 0.00% | No change | 9,600 | $378K |
| Yousif Capital Management, LLC | 0.00% | New | 9,555 | $376K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 8,922 | $351K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | New | 8,820 | $347K |
| Freestone Grove Partners LP | 0.00% | New | 8,527 | $336K |
| BTC Capital Management, Inc. | 0.02% | New | 8,331 | $328K |
| Oregon Public Employees Retirement Fund | 0.00% | New | 8,200 | $323K |
| Legato Capital Management LLC | 0.03% | No change | 8,117 | $320K |
| Verdad Advisers, LP | 0.36% | New | 8,091 | $319K |
| Corient IA LP | 0.30% | Reduce -19.3% | 8,070 | $318K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 8,036 | $317K |
| Brooklyn Investment Group | 0.01% | Reduce -30.3% | 7,945 | $313K |
| Personal Cfo Solutions, LLC | 0.04% | Add +2.9% | 7,850 | $310K |
| McMorgan & Co. LLC | 0.05% | Reduce -31.7% | 7,751 | $305K |
| GWN Securities Inc. | 0.06% | New | 7,521 | $296K |
| Brevan Howard Capital Management LP | 0.00% | Reduce -45.6% | 7,255 | $286K |
| Pacer Advisors, Inc. | 0.00% | New | 6,251 | $246K |
| SkyOak Wealth, LLC | 0.04% | Reduce -31.2% | 6,162 | $243K |
| Swiss Life Asset Management Ltd | 0.00% | New | 6,158 | $243K |
| Pictet Asset Management Holding SA | 0.00% | Add +24.6% | 6,132 | $242K |
| Barrett & Company, Inc. | 0.08% | Add +0.1% | 6,022 | $237K |
| Voya Investment Management LLC | 0.00% | Reduce -4.7% | 5,944 | $234K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | No change | 5,799 | $228K |
| Mercer Global Advisors Inc. | 0.00% | Reduce -1.6% | 5,751 | $227K |
| Scientech Research LLC | 0.19% | New | 5,737 | $226K |
| Cornerstone Investment Partners, LLC | 0.01% | New | 5,632 | $222K |
| PNC Financial Services Group, Inc. | 0.00% | Add +2498.2% | 5,612 | $221K |
| Steel Grove Capital Advisors, LLC | 0.02% | Reduce -4.5% | 5,609 | $221K |
| Campbell & CO Investment Adviser LLC | 0.01% | Reduce -76.2% | 5,566 | $219K |
| ProShare Advisors LLC | 0.00% | Reduce -14.7% | 5,386 | $212K |
| Banque Cantonale Vaudoise | 0.01% | New | 5,340 | $210K |
| Amundi | 0.00% | New | 5,304 | $209K |
| Maryland State Retirement & Pension System | 0.00% | New | 5,275 | $208K |
| NLB Skladi, upravljanje premozenja, d.o.o. | 0.01% | No change | 5,200 | $205K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 4,553 | $179K |
| FMR LLC | 0.00% | Reduce -16.9% | 3,727 | $147K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 3,551 | $140K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,885 | $114K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -38.5% | 2,599 | $102K |
| Kemnay Advisory Services Inc. | 0.01% | Reduce -8.5% | 2,345 | $92K |
| Quantbot Technologies LP | 0.00% | Reduce -91.2% | 1,815 | $71K |
| Osaic Holdings, Inc. | 0.00% | Add +66.8% | 1,418 | $56K |
| Arax Advisory Partners | 0.00% | Reduce -4.2% | 1,402 | $55K |
| Essential Partners LLC | 0.02% | Reduce -1.5% | 1,241 | $49K |
| Versant Capital Management, Inc | 0.00% | No change | 1,145 | $45K |
| Blue Trust, Inc. | 0.00% | New | 1,108 | $44K |
| GAMMA Investing LLC | 0.00% | Add +19.9% | 1,041 | $41K |
| Advisory Services Network, LLC | 0.00% | New | 1,020 | $40K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -20.7% | 996 | $39K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +11.5% | 871 | $34K |
| Signaturefd, LLC | 0.00% | Add +36.5% | 822 | $32K |
| MPWM Advisory Solutions, LLC | 0.02% | No change | 805 | $32K |
| IFP Advisors, Inc | 0.00% | Reduce -2.6% | 782 | $31K |
| Parkside Financial Bank & Trust | 0.00% | No change | 747 | $29K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +8.6% | 746 | $29K |
| Quadrant Capital Group LLC | 0.00% | Add +22.1% | 741 | $29K |
| Cornerstone Planning Group LLC | 0.00% | Add +12.6% | 643 | $27K |
| KBC Group NV | 0.00% | New | 651 | $26K |
| First Horizon Corp. | 0.00% | Add +35.2% | 645 | $25K |
| Nisa Investment Advisors, LLC | 0.00% | Add +26.6% | 634 | $25K |
| Jones Financial Companies LLLP | 0.00% | Add +613.6% | 628 | $24K |
| Truvestments Capital LLC | 0.00% | Reduce -24.6% | 567 | $22K |
| US Bancorp \de | 0.00% | Add +2.6% | 550 | $22K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -19.3% | 515 | $20K |
| Centerpoint Advisors, LLC | 0.01% | New | 452 | $18K |
| Financial Management Professionals, Inc. | 0.00% | No change | 387 | $15K |
| Brown Brothers Harriman & Co. | 0.00% | Add +83.1% | 357 | $14K |
| Salomon & Ludwin, LLC | 0.00% | New | 346 | $14K |
| Allworth Financial LP | 0.00% | Reduce -1.8% | 329 | $13K |
| Sterling Capital Management LLC | 0.00% | Reduce -2.2% | 224 | $9K |
| Financial Network Wealth Advisors LLC | 0.01% | Reduce -44.5% | 221 | $9K |
| WPG Advisers, LLC | 0.01% | No change | 179 | $7K |
| Physician Wealth Advisors, Inc. | 0.00% | Add +14.9% | 177 | $7K |
| Whipplewood Advisors, LLC | 0.00% | New | 108 | $4K |
| Parallel Advisors, LLC | 0.00% | No change | 106 | $4K |
| True Wealth Design, LLC | 0.00% | No change | 103 | $4K |
| Wolff Wiese Magana LLC | 0.00% | No change | 100 | $4K |
| Altshuler Shaham Ltd | 0.00% | Reduce -2.0% | 98 | $4K |
| Rothschild Investment LLC | 0.00% | Add +3.2% | 97 | $4K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -3.2% | 90 | $4K |
| TD Private Client Wealth LLC | 0.00% | New | 80 | $3K |
| Root Financial Partners, LLC | 0.00% | No change | 70 | $3K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | New | 67 | $3K |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 67 | $3K |
| Smartleaf Asset Management LLC | 0.00% | No change | 61 | $2K |
| Assetmark, Inc. | 0.00% | Add +42.9% | 50 | $2K |
| Ascentis Independent Advisors | 0.00% | New | 50 | $2K |
| MAI Capital Management | 0.00% | New | 46 | $2K |
| Cornerstone Financial Management LLC | 0.00% | No change | 44 | $2K |
| Keating Financial Advisory Services, Inc. | 0.00% | Add +2700.0% | 28 | $1K |
| Westfuller Advisors, LLC | 0.00% | Reduce -32.5% | 27 | $1K |
| Sunbelt Securities, Inc. | 0.00% | No change | 26 | $1K |
| Covestor Ltd | 0.00% | Add +25.0% | 15 | $1K |
| Farmers & Merchants Investments Inc. | 0.00% | New | 20 | $788 |
| UMB Bank, n.a. | 0.00% | New | 17 | $670 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 10 | $394 |
| Rosenberg Matthew Hamilton | 0.00% | No change | 7 | $276 |
| Gilpin Wealth Management, LLC | 0.00% | New | 6 | $237 |
| Abound Wealth Management | 0.00% | New | 4 | $158 |
| Ankerstar Wealth, LLC | 0.00% | New | 3 | $118 |
| GHP Investment Advisors, Inc. | 0.00% | New | 2 | $79 |
| Huntington National Bank | 0.00% | No change | 1 | $39 |
"% of holder's portfolio" is NSSC's weight in each manager's 13F, not the share of Napco Security Technologies the manager owns.