Citadel Advisors
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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
2026
Q1 		– Sell
-6,500
Closed -$271K – 13816
2025
Q4 		$271K Sell
6,500
-200
-3% -$8.41K ﹤0.01% 10370
2025
Q3 		$288K Sell
6,700
-3,700
-36% -$128K ﹤0.01% 10479
2025
Q2 		$309K Buy
10,400
+300
+3% +$7.72K ﹤0.01% 9748
2025
Q1 		$233K Buy
10,100
+5,000
+98% +$142K ﹤0.01% 10148
2024
Q4 		$181K Sell
5,100
-33,700
-87% -$1.29M ﹤0.01% 10606
2024
Q3 		$1.57M Buy
38,800
+29,900
+336% +$1.47M ﹤0.01% 5969
2024
Q2 		$462K Sell
8,900
-13,900
-61% -$636K ﹤0.01% 8209
2024
Q1 		$916K Sell
22,800
-20,300
-47% -$797K ﹤0.01% 7101
2023
Q4 		$1.48M Sell
43,100
-10,600
-20% -$281K ﹤0.01% 5917
2023
Q3 		$1.19M Buy
53,700
+46,900
+690% +$1.42M ﹤0.01% 6204
2023
Q2 		$236K Buy
6,800
+500
+8% +$17.5K ﹤0.01% 9531
2023
Q1 		$237K Buy
6,300
+4,600
+271% +$147K ﹤0.01% 9864
2022
Q4 		$46.7K Buy
+1,700
New +$45.9K ﹤0.01% 12219
2021
Q3 		– Sell
-32,800
Closed -$596K – 14386
2021
Q2 		$596K Buy
+32,800
New +$562K ﹤0.01% 9640
2020
Q3 		– Sell
-29,800
Closed -$349K – 10526
2020
Q2 		$349K Buy
+29,800
New +$312K ﹤0.01% 7667
2019
Q4 		– Sell
-60,400
Closed -$771K – 9533
2019
Q3 		$771K Buy
+60,400
New +$851K ﹤0.01% 6034

Other funds holding NSSC

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Prudential Financial
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.