Institutional shares held 31.8 Million
39.1K calls
8.5K puts
Total value of holdings $1.28B
$1.57M calls
$340K puts
Market Cap $1.47B
36,734,500 Shares Out.
Institutional ownership 86.69%
# of Institutions 237


Latest Institutional Activity in NSSC

Top Purchases

Q2 2025
Fundsmith LLP Shares Held: 955K ($38.3M)
Q2 2025
Janus Henderson Group PLC Shares Held: 1.47M ($58.9M)
Q2 2025
Wellington Management Group LLP Shares Held: 1.04M ($41.7M)
Q2 2025
Rockefeller Capital Management L.P. Shares Held: 385K ($15.4M)
Q2 2025
Jacobs Levy Equity Management, Inc Shares Held: 430K ($17.3M)

Top Sells

Q2 2025
Millennium Management LLC Shares Held: 325K ($13M)
Q2 2025
Gw&K Investment Management, LLC Shares Held: 30.5K ($1.22M)
Q2 2025
Point72 Asset Management, L.P. Shares Held: 78.7K ($3.16M)
Q2 2025
Goldman Sachs Group Inc Shares Held: 412K ($16.5M)
Q2 2025
Alta Capital Management LLC Shares Held: 242K ($9.72M)

About NSSC

Napco Security Technologies, Inc. develops, manufactures, and sells electronic security products in the United States and internationally. The company offers access control systems, door-locking products, intrusion and fire alarm systems, and video surveillance systems for commercial, residential, institutional, industrial, and governmental applications. Its access control systems include various types of identification readers, control panels, PC-based computers, and electronically activated door-locking devices; and door locking devices comprise microprocessor-based electronic door locks with push button, card readers and bio-metric operation, door alarms, mechanical door locks, and simple dead bolt locks. The company's alarm systems include automatic communicators, cellular communication devices, control panels, combination control panels/digital communicators and digital keypad systems, fire alarm control panels, and area detectors; and video surveillance systems comprise video cameras, control panels, video monitors, or PCs. It also buys and resells various identification readers, video cameras, PC-based computers, and peripheral equipment for access control and video surveillance systems; offers school security products; and markets peripheral and related equipment manufactured by other companies. The company markets and sells its products primarily to independent distributors, dealers, and installers of security equipment. Napco Security Technologies, Inc. was founded in 1969 and is headquartered in Amityville, New York.


Insider Transactions at NSSC

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
3K Shares
From 1 Insiders
Exercise of conversion of derivative security 3K shares
Sell / Disposition
7.86K Shares
From 3 Insiders
Payment of exercise price or tax liability 2.15K shares
Open market or private sale 5.71K shares

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