Citadel Advisors’s Napco Security Technologies NSSC Stock Holding History

Citadel Advisors’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 Q2	–	Sell	-8,700	Closed	-$200K	–	14250
2025 Q1	$200K	Sell	8,700 -300	-3%	-$8.51K	﹤0.01%	10443
2024 Q4	$320K	Sell	9,000 -8,400	-48%	-$322K	﹤0.01%	9524
2024 Q3	$704K	Buy	17,400 +10,400	+149%	+$510K	﹤0.01%	7532
2024 Q2	$364K	Sell	7,000 -100	-1%	-$4.58K	﹤0.01%	8722
2024 Q1	$285K	Sell	7,100 -18,000	-72%	-$706K	﹤0.01%	9558
2023 Q4	$860K	Sell	25,100 -55,500	-69%	-$1.47M	﹤0.01%	6971
2023 Q3	$1.79M	Buy	80,600 +66,900	+488%	+$2.03M	﹤0.01%	5418
2023 Q2	$475K	Buy	13,700 +7,400	+117%	+$258K	﹤0.01%	8060
2023 Q1	$237K	Buy	6,300 +5,000	+385%	+$159K	﹤0.01%	9865
2022 Q4	$35.7K	Buy	+1,300	New	+$35.1K	﹤0.01%	12539
2021 Q1	–	Sell	-29,800	Closed	-$391K	–	13547
2020 Q4	$391K	Buy	+29,800	New	+$402K	﹤0.01%	8612
2020 Q3	–	Sell	-19,400	Closed	-$227K	–	10528
2020 Q2	$227K	Sell	19,400 -36,600	-65%	-$384K	﹤0.01%	8347
2020 Q1	$425K	Buy	+56,000	New	+$659K	﹤0.01%	6729

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

Citadel Advisors's NSSC Position: Q1 2026 in Review

Citadel Advisors reduced its Napco Security Technologies (NSSC) stake by 51% in Q1 2026, selling an estimated $3.06M and leaving 69,690 shares worth $2.75M. The position accounts for ﹤0.01% of the portfolio, ranked #5442.

Citadel Advisors first reported a position in NSSC in Q3 2018 and has held it in 24 quarters since. The position peaked at $10.2M in Q1 2023. 270 funds tracked by Wall St. Rank hold NSSC as of Q1 2026.

Citadel Advisors held 69,690 shares of Napco Security Technologies worth $2.75M as of Q1 2026.
Citadel Advisors sold 72,855 Napco Security Technologies shares in Q1 2026, an estimated $3.06M.
Napco Security Technologies made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #5442 holding.
Citadel Advisors first reported a position in Napco Security Technologies in Q3 2018 and has held it in 24 quarters since.
Citadel Advisors's Napco Security Technologies position peaked at $10.2M in Q1 2023.
270 funds tracked by Wall St. Rank held Napco Security Technologies as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.