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 $6.73T AUM 46.02% 1-Year Est. Return
CCM
Copeland Capital Management Conshohocken, Pennsylvania $4.87B AUM 31.21% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Citadel Advisors's NSSC Position: Q2 2026 in Review

Citadel Advisors sold out of Napco Security Technologies (NSSC) in Q2 2026, closing a stake of 69,690 shares — an estimated $2.75M sold.

Citadel Advisors first reported a position in NSSC in Q3 2018 and held it in 24 quarters. The position peaked at $10.2M in Q1 2023. 259 funds tracked by Wall St. Rank hold NSSC as of Q2 2026.

  • Citadel Advisors reported no remaining Napco Security Technologies position as of Q2 2026 after selling out during the quarter.
  • Citadel Advisors sold 69,690 Napco Security Technologies shares in Q2 2026, an estimated $2.75M.
  • Citadel Advisors first reported a position in Napco Security Technologies in Q3 2018 and held it in 24 quarters.
  • Citadel Advisors's Napco Security Technologies position peaked at $10.2M in Q1 2023.
  • 259 funds tracked by Wall St. Rank held Napco Security Technologies as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.