Cornerstone Investment Partners’s Napco Security Technologies NSSC Stock Holding History

Cornerstone Investment Partners’s Portfolio NSSC Stock Details NSSC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$204K	Sell	5,379 -253	-4%	-$10K	0.01%	295
2026 Q1	$222K	Buy	+5,632	New	+$236K	0.01%	247
2024 Q3	–	Sell	-3,941	Closed	-$205K	–	260
2024 Q2	$205K	Buy	+3,941	New	+$180K	0.01%	164
2021 Q4	–	Sell	-12,360	Closed	-$266K	–	300
2021 Q3	$266K	Sell	12,360 -2,800	-18%	-$52.4K	0.02%	120
2021 Q2	$276K	Hold	15,160	–	–	0.01%	152
2021 Q1	$264K	Buy	+15,160	New	+$234K	0.01%	155
2020 Q1	–	Sell	-18,446	Closed	-$271K	–	206
2019 Q4	$271K	Buy	+18,446	New	+$268K	0.01%	102

Other funds holding NSSC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

CCM

Copeland Capital Management Conshohocken, Pennsylvania $4.87B AUM 31.21% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Cornerstone Investment Partners's NSSC Position: Q2 2026 in Review

Cornerstone Investment Partners reduced its Napco Security Technologies (NSSC) stake by 4.5% in Q2 2026, selling an estimated $10K and leaving 5,379 shares worth $204K. The position accounts for 0.01% of the portfolio, ranked #295.

Cornerstone Investment Partners first reported a position in NSSC in Q4 2019 and has held it in 7 quarters since. The position peaked at $276K in Q2 2021. 258 funds tracked by Wall St. Rank hold NSSC as of Q2 2026.

Cornerstone Investment Partners held 5,379 shares of Napco Security Technologies worth $204K as of Q2 2026.
Cornerstone Investment Partners sold 253 Napco Security Technologies shares in Q2 2026, an estimated $10K.
Napco Security Technologies made up 0.01% of Cornerstone Investment Partners's portfolio in Q2 2026, its #295 holding.
Cornerstone Investment Partners first reported a position in Napco Security Technologies in Q4 2019 and has held it in 7 quarters since.
Cornerstone Investment Partners's Napco Security Technologies position peaked at $276K in Q2 2021.
258 funds tracked by Wall St. Rank held Napco Security Technologies as of Q2 2026.

Based on Cornerstone Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.