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Emerald Advisers’s Napco Security Technologies NSSC Stock Holding History

Emerald Advisers’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
-466,165
Closed -$20M – 258
2025
Q3 		$20M Sell
466,165
-53,595
-10% -$1.86M 0.64% 64
2025
Q2 		$15.4M Buy
519,760
+111,275
+27% +$2.86M 0.57% 72
2025
Q1 		$9.4M Sell
408,485
-126,607
-24% -$3.59M 0.42% 84
2024
Q4 		$19M Buy
535,092
+26,835
+5% +$1.03M 0.74% 54
2024
Q3 		$20.6M Buy
508,257
+19,674
+4% +$964K 0.8% 55
2024
Q2 		$25.4M Buy
488,583
+264,789
+118% +$12.1M 1.06% 34
2024
Q1 		$8.99M Buy
223,794
+1,351
+0.6% +$53K 0.36% 99
2023
Q4 		$7.62M Sell
222,443
-1,745
-0.8% -$46.3K 0.33% 105
2023
Q3 		$4.99M Sell
224,188
-90,870
-29% -$2.76M 0.24% 109
2023
Q2 		$10.9M Buy
315,058
+151,097
+92% +$5.28M 0.48% 88
2023
Q1 		$6.16M Buy
+163,961
New +$5.22M 0.3% 102

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

Emerald Advisers's NSSC Position: Q4 2025 in Review

Emerald Advisers sold out of Napco Security Technologies (NSSC) in Q4 2025, closing a stake of 466,165 shares — an estimated $20M sold.

Emerald Advisers first reported a position in NSSC in Q1 2023 and held it in 11 quarters. The position peaked at $25.4M in Q2 2024. 254 funds tracked by Wall St. Rank hold NSSC as of Q4 2025.

  • Emerald Advisers reported no remaining Napco Security Technologies position as of Q4 2025 after selling out during the quarter.
  • Emerald Advisers sold 466,165 Napco Security Technologies shares in Q4 2025, an estimated $20M.
  • Emerald Advisers first reported a position in Napco Security Technologies in Q1 2023 and held it in 11 quarters.
  • Emerald Advisers's Napco Security Technologies position peaked at $25.4M in Q2 2024.
  • 254 funds tracked by Wall St. Rank held Napco Security Technologies as of Q4 2025.

Based on Emerald Advisers's 13F filing for Q4 2025, filed 9 Feb 2026.