PDT Partners’s Napco Security Technologies NSSC Stock Holding History

PDT 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 Q1	$4.62M	Sell	117,280 -7,334	-6%	-$308K	0.27%	117
2025 Q4	$5.2M	Hold	124,614	–	–	0.34%	93
2025 Q3	$5.35M	Sell	124,614 -28,982	-19%	-$1.01M	0.34%	91
2025 Q2	$4.56M	Buy	153,596 +22,474	+17%	+$578K	0.26%	130
2025 Q1	$3.02M	Buy	131,122 +103,065	+367%	+$2.92M	0.21%	164
2024 Q4	$998K	Sell	28,057 -8,396	-23%	-$322K	0.09%	338
2024 Q3	$1.47M	Buy	+36,453	New	+$1.79M	0.13%	288
2020 Q4	–	Sell	-30,302	Closed	-$356K	–	807
2020 Q3	$356K	Buy	+30,302	New	+$365K	0.02%	522

Other funds holding NSSC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

CCM

Copeland Capital Management Conshohocken, Pennsylvania $4.5B AUM 18.67% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Prudential Financial Newark, New Jersey $81.2B AUM 27.81% 1-Year Est. Return

PDT Partners's NSSC Position: Q1 2026 in Review

PDT Partners reduced its Napco Security Technologies (NSSC) stake by 5.9% in Q1 2026, selling an estimated $308K and leaving 117,280 shares worth $4.62M. The position accounts for 0.27% of the portfolio, ranked #117.

PDT Partners first reported a position in NSSC in Q3 2020 and has held it in 8 quarters since. The position peaked at $5.35M in Q3 2025. 270 funds tracked by Wall St. Rank hold NSSC as of Q1 2026.

PDT Partners held 117,280 shares of Napco Security Technologies worth $4.62M as of Q1 2026.
PDT Partners sold 7,334 Napco Security Technologies shares in Q1 2026, an estimated $308K.
Napco Security Technologies made up 0.27% of PDT Partners's portfolio in Q1 2026, its #117 holding.
PDT Partners first reported a position in Napco Security Technologies in Q3 2020 and has held it in 8 quarters since.
PDT Partners's Napco Security Technologies position peaked at $5.35M in Q3 2025.
270 funds tracked by Wall St. Rank held Napco Security Technologies as of Q1 2026.

Based on PDT Partners's 13F filing for Q1 2026, filed 15 May 2026.