Go Pro

NAPCO Security Technologies (NSSC) Institutional Ownership

NAPCO Security Technologies logo
$36.67 +1.11 (+3.12%)
Closing price 07/16/2026 04:00 PM Eastern
Extended Trading
$36.64 -0.04 (-0.10%)
As of 08:41 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Institutional Ownership Changes (13F Filings) for NAPCO Security Technologies (NASDAQ:NSSC)

Current
Institutional Ownership
Percentage
85.07%
Number of
Institutional Buyers
(last 12 months)
155
Total
Institutional Inflows
(last 12 months)
$316.63M
Number of
Institutional Sellers
(last 12 months)
114
Total
Institutional Outflows
(last 12 months)
$204.11M
Get NSSC Insider Trade Alerts

Want to know when executives and insiders are buying or selling NAPCO Security Technologies stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

NSSC Institutional Buying and Selling by Quarter

NAPCO Security Technologies Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/9/2026 Hennion & Walsh Asset Management Inc.39,026$1.48M0.0%+2.8%0.109%
6/18/2026Pacer Advisors Inc.6,251$246K0.0%N/A0.017%
5/19/2026Bank of America Corp DE221,765$8.74M0.0%-28.6%0.621%
5/19/2026Janus Henderson Group PLC1,424,963$56.14M0.0%-9.2%3.988%
5/18/2026Amundi5,304$209K0.0%N/A0.015%
5/18/2026California State Teachers Retirement System48,496$1.91M0.0%+37.4%0.136%
5/18/2026Royal Bank of Canada476,558$18.77M0.0%-17.9%1.334%
5/16/2026The Manufacturers Life Insurance Company 15,562$613K0.0%-2.3%0.044%
5/16/2026Quantinno Capital Management LP19,464$767K0.0%+3.2%0.054%
5/16/2026Lazard Asset Management LLC14,312$564K0.0%+6.2%0.040%
5/15/2026Rice Hall James & Associates LLC146,773$5.78M0.3%+1.3%0.411%
5/14/2026Healthcare of Ontario Pension Plan Trust Fund32,213$1.27M0.0%-17.0%0.090%
5/14/2026Renaissance Technologies LLC436,800$17.21M0.0%+31.1%1.223%
5/14/2026Gabelli Funds LLC18,400$725K0.0%-8.0%0.051%
5/14/2026Gamco Investors INC. ET AL178,900$7.05M0.1%-5.0%0.501%
5/14/2026Arrowstreet Capital Limited Partnership846,040$33.33M0.0%-2.1%2.368%
5/14/2026Sei Investments Co.131,418$5.18M0.0%+39.0%0.368%
5/14/2026Walleye Capital LLC89,398$3.52M0.0%+48.7%0.250%
5/14/2026State of Wyoming11,343$447K0.1%-4.2%0.032%
5/13/2026Cetera Investment Advisers21,559$849K0.0%-5.6%0.060%
5/13/2026First Trust Advisors LP685,189$26.99M0.0%-4.1%1.918%
5/8/2026PNC Financial Services Group Inc.5,612$221K0.0%+2,498.1%0.016%
5/7/2026Dimensional Fund Advisors LP702,852$27.68M0.0%+4.7%1.971%
5/7/2026KBC Group NV651$26K0.0%N/A0.002%
5/6/2026Copeland Capital Management LLC2,009,089$79.14M1.8%+41.4%5.634%
5/6/2026Financiere des Professionnels Fonds d investissement inc.13,775$543K0.0%N/A0.039%
5/6/2026Bessemer Group Inc.292,867$11.54M0.0%+1,888.1%0.821%
5/5/2026Mcmorgan & Co. LLC7,751$305K0.0%-31.7%0.022%
5/5/2026Bank of New York Mellon Corp302,967$11.93M0.0%+40.3%0.850%
5/5/2026Maryland State Retirement & Pension System5,275$208K0.0%N/A0.015%
5/4/2026Principal Financial Group Inc.225,314$8.88M0.0%+239.7%0.632%
5/4/2026Teachers Retirement System of The State of Kentucky51,962$2.05M0.0%+20.5%0.146%
5/1/2026Commonwealth of Pennsylvania Public School Empls Retrmt SYS8,820$347K0.0%N/A0.025%
5/1/2026Fifth Third Bancorp15,901$626K0.0%N/A0.045%
5/1/2026Kornitzer Capital Management Inc. KS169,353$6.67M0.1%-0.6%0.475%
4/30/2026Hsbc Holdings PLC21,068$825K0.0%-9.4%0.059%
4/30/2026SkyOak Wealth LLC6,162$243K0.0%-31.2%0.017%
4/30/2026Granite Investment Partners LLC267,526$10.54M0.6%-4.8%0.750%
4/30/2026Isthmus Partners LLC115,669$4.56M0.5%-5.1%0.324%
4/30/2026Oregon Public Employees Retirement Fund8,200$323K0.0%N/A0.023%
Your book attached (Ad)

Bill Poulos is giving away his 'Safe Trade Options Formula' book for free - but only for a limited time through a temporary download link. He plans to charge for it soon. Download your copy now and lock it in at no cost, regardless of future pricing.tc pixel

Download the Safe Trade Options Formula book for free before access closes
4/27/2026 Y Intercept Hong Kong Ltd59,331$2.34M0.0%+113.3%0.166%
4/25/2026Strs Ohio17,800$701K0.0%-2.7%0.050%
4/24/2026Deprince Race & Zollo Inc.118,763$4.68M0.1%+64.9%0.333%
4/22/2026Pictet Asset Management Holding SA6,132$242K0.0%+24.6%0.017%
4/21/2026 Wasatch Advisors LP242,585$9.56M0.1%+10.7%0.680%
4/21/2026Louisiana State Employees Retirement System15,800$622K0.0%N/A0.044%
4/20/2026BTC Capital Management Inc.8,331$328K0.0%N/A0.023%
4/20/2026Blue Trust Inc.1,108$44K0.0%N/A0.003%
4/20/2026Banque Cantonale Vaudoise5,340$210K0.0%N/A0.015%
4/16/2026SG Americas Securities LLC24,220$954K0.0%-43.1%0.068%
3/20/2026Hsbc Holdings PLC23,266$981K0.0%N/A0.065%
3/17/2026Rockefeller Capital Management L.P.115,756$4.83M0.0%-66.8%0.325%
3/9/2026Corient Private Wealth LLC13,587$567K0.0%-46.2%0.038%
2/19/2026Invesco Ltd.49,109$2.05M0.0%+16.1%0.138%
2/19/2026Corient Private Wealth LLC23,587$984K0.0%-6.6%0.066%
2/19/2026Jacobs Equity LLC7,458$311K0.3%N/A0.021%
2/18/2026Mercer Global Advisors Inc. ADV5,845$244K0.0%-5.2%0.016%
2/18/2026State of Tennessee Department of Treasury7,620$318K0.0%N/A0.021%
2/18/2026Cim LLC12,613$526K0.1%-4.2%0.035%
2/18/2026Uniplan Investment Counsel Inc.115,050$4.80M1.3%-4.7%0.323%
2/18/2026Voloridge Investment Management LLC185,645$7.74M0.0%-6.1%0.521%
2/18/2026Wellington Management Group LLP879,298$36.67M0.0%-12.8%2.466%
2/18/2026Tudor Investment Corp ET AL200,489$8.36M0.0%+124.7%0.562%
2/18/2026Numerai GP LLC10,383$433K0.1%-20.6%0.029%
2/18/2026Millennium Management LLC73,487$3.06M0.0%-40.2%0.206%
2/18/2026Man Group plc119,324$4.98M0.0%+30.7%0.335%
2/18/2026Janus Henderson Group PLC1,569,363$65.46M0.0%+3.0%4.401%
2/18/2026Engineers Gate Manager LP67,582$2.82M0.0%+2.4%0.190%
2/18/2026Balyasny Asset Management L.P.20,097$838K0.0%N/A0.056%
2/17/2026AQR Capital Management LLC297,027$12.39M0.0%-10.4%0.833%
2/17/2026Cetera Investment Advisers22,845$953K0.0%+9.0%0.064%
2/17/2026Jain Global LLC5,160$215K0.0%-16.2%0.014%
2/17/2026Trexquant Investment LP132,041$5.51M0.0%-27.3%0.370%
2/17/2026Jump Financial LLC56,580$2.36M0.0%-37.4%0.159%
2/17/2026Price T Rowe Associates Inc. MD25,291$1.06M0.0%+4.1%0.071%
2/17/2026Adage Capital Partners GP L.L.C.243,510$10.15M0.0%+10.7%0.683%
2/17/2026California State Teachers Retirement System35,289$1.47M0.0%+3.9%0.099%
2/17/2026Russell Investments Group Ltd.146,957$6.13M0.0%+4.0%0.412%
2/17/2026Crawford Investment Counsel Inc.117,680$4.91M0.1%+13.4%0.330%
2/17/2026Kemnay Advisory Services Inc.2,563$107K0.0%N/A0.007%
2/17/2026Captrust Financial Advisors185,462$7.73M0.0%N/A0.520%
2/17/2026Mangrove Partners IM LLC11,471$478K0.0%N/A0.032%
2/17/2026Royal Bank of Canada580,557$24.21M0.0%-10.2%1.628%
2/17/2026Magnetar Financial LLC14,894$621K0.0%N/A0.042%
2/17/2026Rice Hall James & Associates LLC144,925$6.04M0.3%-7.3%0.406%
2/16/2026Verition Fund Management LLC63,535$2.65M0.0%-22.4%0.178%
2/16/2026Healthcare of Ontario Pension Plan Trust Fund38,793$1.62M0.0%N/A0.109%
2/16/2026Arax Advisory Partners1,464$61K0.0%-90.8%0.004%
2/16/2026Barclays PLC68,958$2.88M0.0%+25.2%0.193%
2/16/2026Bridge City Capital LLC59,438$2.48M0.7%-12.4%0.167%
The window is closing (Ad)

We printed 1,000 copies of this report and 688 are gone—when the last one goes out, we're pulling it offline because the information inside is too sensitive to leave up indefinitely. Inside the remaining copies is the executive order Trump can sign tomorrow, the same legal authority FDR used in 1934 to move billions in wealth overnight, and exactly how to position before it happens.tc pixel

Claim one of the 312 remaining copies now
2/13/2026Kestra Advisory Services LLC4,542$189K0.0%-16.9%0.013%
2/13/2026Marshall Wace LLP98,006$4.09M0.0%+4.6%0.275%
2/13/2026The Manufacturers Life Insurance Company 15,934$664K0.0%-7.2%0.045%
2/13/2026CANADA LIFE ASSURANCE Co3,364$140K0.0%-80.0%0.009%
2/13/2026Corient IA LLC10,000$417K0.4%N/A0.028%
2/13/2026Walleye Capital LLC60,108$2.51M0.0%N/A0.169%
2/13/2026Visionary Wealth Advisors262,462$10.95M0.5%+1.5%0.736%
2/13/2026Stifel Financial Corp96,718$4.03M0.0%-6.2%0.271%
2/13/2026Jacobs Levy Equity Management Inc.414,990$17.31M0.1%-5.3%1.164%
2/13/2026Public Sector Pension Investment Board56,023$2.34M0.0%N/A0.157%


NSSC Institutional Ownership - Frequently Asked Questions

During the previous two years, 295 institutional investors and hedge funds held shares of NAPCO Security Technologies. The most heavily invested institutionals were Vanguard Group Inc. ($120.18M), FMR LLC ($85.08M), Copeland Capital Management LLC ($79.14M), Fundsmith LLP ($76.45M), Janus Henderson Group PLC ($56.14M), Doma Perpetual Capital Management LLC ($50.05M), and Geode Capital Management LLC ($42.91M).Learn more on NAPCO Security Technologies' institutional investors.

85.07% of NAPCO Security Technologies' stock is owned by institutional investors. Learn more on NSSC's institutional investor holdings.

Of the 256 institutional investors that purchased NAPCO Security Technologies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Copeland Capital Management LLC ($1.68M), Wellington Management Group LLP ($942.54K), Arrowstreet Capital Limited Partnership ($893.32K), Fundsmith LLP ($824.95K), Corient Private Wealth LLC ($768.63K), First Trust Advisors LP ($714.38K), and Point72 Asset Management L.P. ($638.17K).

Institutional investors have bought a total of 8,129,335 shares in the last 24 months. This purchase volume represents approximately $316.63M in transactions.

Of the 113 institutional investors that sold NAPCO Security Technologies' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: JPMorgan Chase & Co. ($680.30K), Envestnet Asset Management Inc. ($290.58K), Deutsche Bank AG ($265.53K), Millennium Management LLC ($251.93K), Rockefeller Capital Management L.P. ($232.82K), CenterBook Partners LP ($226.09K), and Tudor Investment Corp ET AL ($216.44K).

Institutional investors have sold a total of 5,042,805 shares in the last 24 months. This volume of shares sold represents approximately $204.11M in transactions.



This page (NASDAQ:NSSC) was last updated on 7/17/2026 by MarketBeat.com Staff.
From Our Partners