Group One Trading
NSSC icon

Group One Trading’s Napco Security Technologies NSSC Stock Holding History

Group One 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
Q3 		– Sell
-1,200
Closed -$35.6K – 8899
2025
Q2 		$35.6K Buy
1,200
+1,100
+1,100% +$28.3K ﹤0.01% 5841
2025
Q1 		$2.3K Hold
100
– – ﹤0.01% 6957
2024
Q4 		$3.56K Sell
100
-900
-90% -$34.5K ﹤0.01% 6558
2024
Q3 		$40.5K Buy
+1,000
New +$49K ﹤0.01% 4786
2024
Q1 		– Sell
-1,200
Closed -$41.1K – 7687
2023
Q4 		$41.1K Sell
1,200
-800
-40% -$21.2K ﹤0.01% 5216
2023
Q3 		$44.5K Buy
2,000
+1,800
+900% +$54.6K ﹤0.01% 5209
2023
Q2 		$6.93K Buy
+200
New +$6.99K ﹤0.01% 6571
2021
Q3 		– Sell
-1,200
Closed -$22K – 8584
2021
Q2 		$22K Buy
+1,200
New +$20.6K ﹤0.01% 7125
2020
Q4 		– Sell
-4,800
Closed -$56K – 6834
2020
Q3 		$56K Buy
+4,800
New +$57.8K ﹤0.01% 4575
2020
Q1 		– Sell
-2,000
Closed -$29K – 5593
2019
Q4 		$29K Sell
2,000
-4,600
-70% -$66.7K ﹤0.01% 4236
2019
Q3 		$84K Sell
6,600
-10,200
-61% -$144K ﹤0.01% 3672
2019
Q2 		$249K Buy
16,800
+4,800
+40% +$63.6K ﹤0.01% 2687
2019
Q1 		$124K Buy
+12,000
New +$113K ﹤0.01% 3025

Other funds holding NSSC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
CCM
Copeland Capital Management Conshohocken, Pennsylvania $4.5B AUM 18.67% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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
DSCM
Divisadero Street Capital Management Miami, Florida $2.39B AUM 134.55% 1-Year Est. Return

Group One Trading's NSSC Position: Q4 2025 in Review

Group One Trading sold out of Napco Security Technologies (NSSC) in Q4 2025, closing a stake of 419 shares — an estimated $18K sold.

Group One Trading first reported a position in NSSC in Q2 2017 and held it in 8 quarters. The position peaked at $100K in Q1 2023. 254 funds tracked by Wall St. Rank hold NSSC as of Q4 2025.

  • Group One Trading reported no remaining Napco Security Technologies position as of Q4 2025 after selling out during the quarter.
  • Group One Trading sold 419 Napco Security Technologies shares in Q4 2025, an estimated $18K.
  • Group One Trading first reported a position in Napco Security Technologies in Q2 2017 and held it in 8 quarters.
  • Group One Trading's Napco Security Technologies position peaked at $100K in Q1 2023.
  • 254 funds tracked by Wall St. Rank held Napco Security Technologies as of Q4 2025.

Based on Group One Trading's 13F filing for Q4 2025, filed 12 Feb 2026.