Napco Security TechnologiesNSSC
13F holders, Q1 2025 (March 31)229holders −22
36new positions
58sold out
7famous investors
$23.03avg. 13F price*
At the end of Q1 2025, 229 institutions reported holding Napco Security Technologies (NSSC) in their 13F filings, down 22 from Q4 2024. 36 opened new positions and 58 sold out. The largest holders were BlackRock, Inc. ($70.0M), Vanguard Group Inc. ($66.8M) and Copeland Capital Management, LLC ($34.4M). 7 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Napco Security Technologies
- CUSIP
- 630402105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 36 | $27.3M |
| Exits | 58 | $140.6M |
All 13F filers, Q4 2024 → Q1 2025: 5,326,657 shares bought and 7,360,139 shares sold, net −2,033,482 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 229 holders
| BlackRock, Inc. | 0.00% | Reduce -4.0% | 3,041,430 | $70.0M |
| Vanguard Group Inc. | 0.00% | Add +1.8% | 2,901,671 | $66.8M |
| Copeland Capital Management, LLC | 0.69% | Add +25.1% | 1,493,928 | $34.4M |
| Doma Perpetual Capital Management LLC | 10.64% | Add +53.4% | 1,175,655 | $27.1M |
| FMR LLC | 0.00% | Reduce -49.3% | 1,094,045 | $25.2M |
| Geode Capital Management, LLC | 0.00% | Add +0.6% | 1,017,046 | $23.4M |
| Janus Henderson Group PLC | 0.01% | Add +3.0% | 967,432 | $22.3M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -16.3% | 850,845 | $19.6M |
| State Street Corp. | 0.00% | Reduce -1.5% | 814,441 | $18.8M |
| Millennium Management | 0.02% | Add +62.4% | 769,789 | $17.7M |
| Royal Bank of Canada | 0.00% | Reduce -2.6% | 727,368 | $16.7M |
| Envestnet Asset Management Inc. | 0.01% | Add +15.4% | 712,674 | $16.4M |
| Northern Trust Corp. | 0.00% | Reduce -2.0% | 673,261 | $15.5M |
| Wellington Management Group LLP | 0.00% | Add +121.4% | 649,318 | $14.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +75.8% | 589,290 | $13.6M |
| Morgan Stanley | 0.00% | Add +15.6% | 580,320 | $13.4M |
| JPMorgan Chase & Co. | 0.00% | Add +94.1% | 550,884 | $12.7M |
| Voloridge Investment Management, LLC | 0.04% | Add +55.8% | 482,820 | $11.1M |
| GW&K Investment Management, LLC | 0.09% | Reduce -0.5% | 443,059 | $10.2M |
| Emerald Advisers, LLC | 0.42% | Reduce -23.7% | 408,485 | $9.4M |
| Alta Capital Management LLC/ | 0.61% | Add +2.1% | 407,991 | $9.4M |
| Granite Investment Partners, LLC | 0.44% | Reduce -30.3% | 374,181 | $8.6M |
| Rockefeller Capital Management L.P. | 0.02% | Add +6.6% | 368,779 | $8.5M |
| CenterBook Partners LP | 0.52% | New | 356,155 | $8.2M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -14.8% | 349,855 | $8.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -7.7% | 346,561 | $8.0M |
| Point72 Asset Management | 0.02% | Reduce -52.4% | 303,601 | $7.0M |
| AQR Capital Management | 0.01% | Add +70.1% | 286,056 | $6.6M |
| Bank of America Corp. | 0.00% | Add +170.9% | 283,889 | $6.5M |
| Congress Asset Management Co. | 0.05% | Reduce -0.3% | 278,796 | $6.4M |
| Kornitzer Capital Management Inc. | 0.13% | No change | 274,970 | $6.3M |
| Visionary Wealth Advisors | 0.37% | Reduce -18.3% | 266,369 | $6.1M |
| Renaissance Technologies | 0.01% | Reduce -8.7% | 253,100 | $5.8M |
| Emerald Mutual Fund Advisers Trust | 0.37% | Reduce -38.7% | 221,174 | $5.1M |
| United Capital Financial Advisors, LLC | 0.04% | Add +98.0% | 209,699 | $4.8M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Reduce -51.9% | 208,469 | $4.8M |
| GAMCO Investors | 0.05% | Add +2.5% | 203,000 | $4.7M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.1% | 199,631 | $4.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Add +486.0% | 196,300 | $4.5M |
| Rice Hall James & Associates, LLC | 0.26% | Reduce -0.8% | 194,829 | $4.5M |
| Federated Hermes, Inc. | 0.01% | New | 185,503 | $4.3M |
| Algert Global LLC | 0.10% | Add +93.0% | 183,649 | $4.2M |
| Deutsche Bank AG | 0.00% | Add +467.7% | 173,942 | $4.0M |
| BNP Paribas Financial Markets | 0.00% | Add +273.0% | 145,333 | $3.3M |
| HighTower Advisors, LLC | 0.00% | Reduce -4.2% | 133,945 | $3.1M |
| Redmond Asset Management, LLC | 0.78% | Reduce -1.4% | 131,540 | $3.0M |
| PDT Partners, LLC | 0.21% | Add +367.3% | 131,122 | $3.0M |
| Uniplan Investment Counsel, Inc. | 0.30% | Add +1.0% | 130,984 | $3.0M |
| Hantz Financial Services, Inc. | 0.05% | Reduce -2.5% | 130,858 | $3.0M |
| Bridge City Capital, LLC | 0.83% | Add +73.1% | 119,893 | $2.8M |
| SG Americas Securities, LLC | 0.01% | Add +411.9% | 115,714 | $2.7M |
| Squarepoint Ops LLC | 0.01% | Reduce -41.5% | 115,473 | $2.7M |
| Divisadero Street Capital Management, LP | 0.30% | No change | 111,566 | $2.6M |
| Russell Investments Group, Ltd. | 0.00% | Add +177.7% | 110,066 | $2.5M |
| UBS Group AG | 0.00% | Reduce -22.6% | 106,328 | $2.4M |
| Isthmus Partners, LLC | 0.29% | Add +17.2% | 102,380 | $2.4M |
| Allianz Asset Management GmbH | 0.00% | Add +43.6% | 101,508 | $2.3M |
| Jane Street Group, LLC | 0.00% | Add +351.7% | 98,221 | $2.3M |
| Voleon Capital Management LP | 0.17% | Add +759.2% | 95,848 | $2.2M |
| McMorgan & Co. LLC | 0.34% | Reduce -5.5% | 92,959 | $2.1M |
| Nuveen, LLC | 0.00% | — | 92,408 | $2.1M |
| Stifel Financial Corp. | 0.00% | Add +12.9% | 90,860 | $2.1M |
| First National Bank of Omaha | 0.14% | Reduce -2.1% | 86,777 | $2.0M |
| American Century Companies Inc. | 0.00% | Reduce -1.2% | 84,231 | $1.9M |
| ExodusPoint Capital Management, LP | 0.03% | New | 83,878 | $1.9M |
| First National Advisers, LLC | 0.30% | Reduce -1.0% | 81,329 | $1.9M |
| Laurus Global Equity Management Inc. | 1.22% | No change | 79,560 | $1.8M |
| Walleye Capital LLC | 0.02% | New | 77,300 | $1.8M |
| Man Group plc | 0.01% | Reduce -4.0% | 75,615 | $1.7M |
| New York State Common Retirement Fund | 0.00% | Reduce -5.8% | 74,963 | $1.7M |
| Townsquare Capital LLC | 0.02% | Add +12.0% | 74,885 | $1.7M |
| Cynosure Group, LLC | 0.23% | Add +344.9% | 71,587 | $1.6M |
| Swiss National Bank | 0.00% | Reduce -1.8% | 71,100 | $1.6M |
| Deprince Race & Zollo Inc. | 0.03% | New | 67,877 | $1.6M |
| Taylor Frigon Capital Management LLC | 0.91% | Reduce -3.1% | 66,483 | $1.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | No change | 66,459 | $1.5M |
| Trexquant Investment LP | 0.02% | Reduce -48.7% | 65,134 | $1.5M |
| Verition Fund Management LLC | 0.01% | Add +381.4% | 63,852 | $1.5M |
| Moody Aldrich Partners LLC | 0.30% | Reduce -21.3% | 62,464 | $1.4M |
| Canada Pension Plan Investment Board | 0.00% | New | 58,800 | $1.4M |
| Susquehanna International Group, LLP | 0.00% | Reduce -48.7% | 58,611 | $1.3M |
| Sei Investments Co. | 0.00% | Add +22.1% | 55,149 | $1.3M |
| Wells Fargo & Company | 0.00% | Reduce -12.1% | 54,498 | $1.3M |
| Hennion & Walsh Asset Management, Inc. | 0.06% | Add +10.4% | 54,482 | $1.3M |
| Jump Financial, LLC | 0.02% | Add +275.0% | 54,185 | $1.2M |
| Citadel Advisors | 0.00% | Reduce -0.6% | 51,956 | $1.2M |
| Victory Capital Management Inc. | 0.00% | Reduce -18.0% | 51,653 | $1.2M |
| Quantbot Technologies LP | 0.04% | New | 51,531 | $1.2M |
| Rhumbline Advisers | 0.00% | Add +1.8% | 50,446 | $1.2M |
| Semanteon Capital Management, LP | 0.63% | New | 50,041 | $1.2M |
| Barclays PLC | 0.00% | Reduce -27.0% | 47,547 | $1.1M |
| Y-Intercept (Hong Kong) Ltd | 0.07% | Add +216.1% | 43,355 | $998K |
| LPL Financial LLC | 0.00% | Add +24.7% | 42,773 | $985K |
| Legal & General Group Plc | 0.00% | Reduce -0.3% | 41,197 | $948K |
| Invesco Ltd. | 0.00% | Add +14.8% | 41,016 | $944K |
| Alliancebernstein L.P. | 0.00% | Reduce -1.1% | 37,026 | $852K |
| Teachers Retirement System of the State of Kentucky | 0.01% | Add +36.0% | 37,019 | $852K |
| Gsa Capital Partners LLP | 0.07% | Add +3.4% | 35,965 | $828K |
| Marshall Wace, LLP | 0.00% | Reduce -89.3% | 34,434 | $793K |
| California State Teachers Retirement System | 0.00% | No change | 34,350 | $791K |
"% of holder's portfolio" is NSSC's weight in each manager's 13F, not the share of Napco Security Technologies the manager owns.