Walleye Trading’s Napco Security Technologies NSSC Stock Holding History

Walleye Trading’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
2025 Q4	–	Sell	-11,500	Closed	-$494K	–	4702
2025 Q3	$494K	Hold	11,500	–	–	﹤0.01%	2751
2025 Q2	$341K	Buy	+11,500	New	+$296K	﹤0.01%	2912
2024 Q3	–	Sell	-4,300	Closed	-$223K	–	4436
2024 Q2	$223K	Buy	+4,300	New	+$197K	﹤0.01%	3021
2023 Q4	–	Sell	-7,600	Closed	-$169K	–	5361
2023 Q3	$169K	Buy	7,600 +6,800	+850%	+$206K	﹤0.01%	3715
2023 Q2	$27.7K	Buy	+800	New	+$27.9K	﹤0.01%	4073
2021 Q2	–	Sell	-33,200	Closed	-$578K	–	5416
2021 Q1	$578K	Buy	+33,200	New	+$512K	﹤0.01%	2495

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

Walleye Trading's NSSC Position: Q1 2026 in Review

Walleye Trading sold out of Napco Security Technologies (NSSC) in Q1 2026, closing a stake of 4,607 shares — an estimated $192K sold.

Walleye Trading first reported a position in NSSC in Q4 2015 and held it in 7 quarters. The position peaked at $192K in Q4 2025. 270 funds tracked by Wall St. Rank hold NSSC as of Q1 2026.

Walleye Trading reported no remaining Napco Security Technologies position as of Q1 2026 after selling out during the quarter.
Walleye Trading sold 4,607 Napco Security Technologies shares in Q1 2026, an estimated $192K.
Walleye Trading first reported a position in Napco Security Technologies in Q4 2015 and held it in 7 quarters.
Walleye Trading's Napco Security Technologies position peaked at $192K in Q4 2025.
270 funds tracked by Wall St. Rank held Napco Security Technologies as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.