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
Q4 		– Sell
-419
Closed -$18K – 8835
2025
Q3 		$18K Buy
+419
New +$14.5K ﹤0.01% 6781
2025
Q1 		– Sell
-263
Closed -$7.46K – 8115
2024
Q4 		$9.35K Buy
+263
New +$10.1K ﹤0.01% 6131
2024
Q3 		– Sell
-498
Closed -$24.4K – 7124
2024
Q2 		$25.9K Buy
498
+472
+1,815% +$21.6K ﹤0.01% 5040
2024
Q1 		$1.04K Buy
+26
New +$1.02K ﹤0.01% 6629
2023
Q2 		– Sell
-2,672
Closed -$93.3K – 8021
2023
Q1 		$100K Buy
+2,672
New +$85.1K ﹤0.01% 4301
2021
Q1 		– Sell
-200
Closed -$3K – 7881
2020
Q4 		$3K Buy
+200
New +$2.69K ﹤0.01% 6167
2017
Q4 		– Sell
-1,396
Closed -$7K – 5092
2017
Q3 		$7K Hold
1,396
– – ﹤0.01% 4391
2017
Q2 		$7K Buy
+1,396
New +$6.82K ﹤0.01% 4325

Other funds holding NSSC

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $13.6B AUM 7.6% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
CCM
Copeland Capital Management Conshohocken, Pennsylvania $4.87B AUM 31.21% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
DSCM
Divisadero Street Capital Management Miami, Florida $4.41B AUM 90.53% 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.