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 		$2.75M Sell
69,690
-72,855
-51% -$3.06M ﹤0.01% 5442
2025
Q4 		$5.94M Sell
142,545
-20,250
-12% -$852K ﹤0.01% 4023
2025
Q3 		$6.99M Buy
162,795
+50,057
+44% +$1.74M ﹤0.01% 3788
2025
Q2 		$3.35M Buy
112,738
+60,782
+117% +$1.56M ﹤0.01% 4792
2025
Q1 		$1.2M Sell
51,956
-320
-0.6% -$9.08K ﹤0.01% 6561
2024
Q4 		$1.86M Buy
52,276
+43,080
+468% +$1.65M ﹤0.01% 5777
2024
Q3 		$372K Sell
9,196
-49,568
-84% -$2.43M ﹤0.01% 8866
2024
Q2 		$3.05M Sell
58,764
-130,102
-69% -$5.96M ﹤0.01% 4533
2024
Q1 		$7.58M Buy
188,866
+160,240
+560% +$6.29M ﹤0.01% 3331
2023
Q4 		$980K Sell
28,626
-182,964
-86% -$4.85M ﹤0.01% 6732
2023
Q3 		$4.71M Sell
211,590
-17,229
-8% -$522K ﹤0.01% 3744
2023
Q2 		$7.93M Sell
228,819
-42,025
-16% -$1.47M ﹤0.01% 2988
2023
Q1 		$10.2M Buy
270,844
+67,762
+33% +$2.16M ﹤0.01% 2797
2022
Q4 		$5.58M Buy
203,082
+93,817
+86% +$2.53M ﹤0.01% 3670
2022
Q3 		$3.18M Buy
109,265
+95,351
+685% +$2.55M ﹤0.01% 4697
2022
Q2 		$286K Sell
13,914
-45,392
-77% -$854K ﹤0.01% 9914
2022
Q1 		$1.22M Sell
59,306
-47,126
-44% -$979K ﹤0.01% 7255
2021
Q4 		$2.66M Buy
106,432
+96,602
+983% +$2.28M ﹤0.01% 5577
2021
Q3 		$212K Buy
+9,830
New +$184K ﹤0.01% 11868
2021
Q1 		– Sell
-64,124
Closed -$841K – 13546
2020
Q4 		$841K Buy
+64,124
New +$864K ﹤0.01% 7155
2020
Q3 		– Sell
-18,292
Closed -$214K – 10527
2020
Q2 		$214K Sell
18,292
-23,966
-57% -$251K ﹤0.01% 8427
2020
Q1 		$321K Buy
+42,258
New +$497K ﹤0.01% 7208
2019
Q2 		– Sell
-23,618
Closed -$245K – 9637
2019
Q1 		$245K Buy
+23,618
New +$222K ﹤0.01% 7909
2018
Q4 		– Sell
-23,572
Closed -$176K – 9566
2018
Q3 		$176K Buy
+23,572
New +$182K ﹤0.01% 8312

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.