Winton Group’s Napco Security Technologies NSSC Stock Holding History

Winton Group’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	$1.3M	Buy	34,239 +1,491	+5%	+$59.2K	0.04%	438
2026 Q1	$1.29M	Buy	+32,748	New	+$1.37M	0.05%	446
2021 Q4	–	Sell	-26,952	Closed	-$581K	–	1278
2021 Q3	$581K	Buy	26,952 +3,254	+14%	+$60.9K	0.03%	786
2021 Q2	$431K	Buy	23,698 +3,450	+17%	+$59.1K	0.02%	995
2021 Q1	$353K	Buy	+20,248	New	+$312K	0.02%	1068
2020 Q3	–	Sell	-87,882	Closed	-$1.03M	–	1567
2020 Q2	$1.03M	Sell	87,882 -5,360	-6%	-$56.2K	0.03%	956
2020 Q1	$707K	Sell	93,242 -68,500	-42%	-$806K	0.02%	928
2019 Q4	$2.38M	Buy	161,742 +81,630	+102%	+$1.18M	0.03%	737
2019 Q3	$1.02M	Buy	+80,112	New	+$1.13M	0.01%	819

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

Winton Group's NSSC Position: Q2 2026 in Review

Winton Group increased its Napco Security Technologies (NSSC) stake by 4.6% in Q2 2026, buying an estimated $59.2K and bringing the position to 34,239 shares worth $1.3M. The position accounts for 0.04% of the portfolio, ranked #438.

Winton Group first reported a position in NSSC in Q3 2019 and has held it in 9 quarters since. The position peaked at $2.38M in Q4 2019. 258 funds tracked by Wall St. Rank hold NSSC as of Q2 2026.

Winton Group held 34,239 shares of Napco Security Technologies worth $1.3M as of Q2 2026.
Winton Group bought 1,491 Napco Security Technologies shares in Q2 2026, an estimated $59.2K.
Napco Security Technologies made up 0.04% of Winton Group's portfolio in Q2 2026, its #438 holding.
Winton Group first reported a position in Napco Security Technologies in Q3 2019 and has held it in 9 quarters since.
Winton Group's Napco Security Technologies position peaked at $2.38M in Q4 2019.
258 funds tracked by Wall St. Rank held Napco Security Technologies as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.