Millennium Management
NSSC icon

Millennium Management’s Napco Security Technologies NSSC Stock Holding History

Millennium Management’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 		$575K Sell
14,598
-58,889
-80% -$2.47M ﹤0.01% 4693
2025
Q4 		$3.06M Sell
73,487
-49,311
-40% -$2.07M ﹤0.01% 3527
2025
Q3 		$5.27M Sell
122,798
-202,616
-62% -$7.03M ﹤0.01% 3097
2025
Q2 		$9.66M Sell
325,414
-444,375
-58% -$11.4M ﹤0.01% 2295
2025
Q1 		$17.7M Buy
769,789
+295,755
+62% +$8.39M 0.01% 1650
2024
Q4 		$16.9M Buy
474,034
+65,310
+16% +$2.51M 0.01% 1666
2024
Q3 		$16.5M Buy
408,724
+340,749
+501% +$16.7M 0.01% 1726
2024
Q2 		$3.53M Sell
67,975
-74,305
-52% -$3.4M ﹤0.01% 3047
2024
Q1 		$5.71M Buy
+142,280
New +$5.58M ﹤0.01% 2735
2023
Q4 		– Sell
-30,390
Closed -$676K – 6383
2023
Q3 		$676K Sell
30,390
-328,045
-92% -$9.95M ﹤0.01% 4467
2023
Q2 		$12.4M Sell
358,435
-69,504
-16% -$2.43M 0.01% 1803
2023
Q1 		$16.1M Sell
427,939
-338,559
-44% -$10.8M 0.01% 1528
2022
Q4 		$21.1M Buy
766,498
+516,575
+207% +$13.9M 0.01% 1399
2022
Q3 		$7.27M Buy
+249,923
New +$6.68M ﹤0.01% 2521
2021
Q3 		– Sell
-31,780
Closed -$578K – 7096
2021
Q2 		$578K Sell
31,780
-53,376
-63% -$915K ﹤0.01% 5166
2021
Q1 		$1.48M Buy
+85,156
New +$1.31M ﹤0.01% 3813
2020
Q3 		– Sell
-102,932
Closed -$1.2M – 4710
2020
Q2 		$1.2M Buy
+102,932
New +$1.08M ﹤0.01% 2884
2019
Q4 		– Sell
-24,270
Closed -$309K – 4508
2019
Q3 		$309K Buy
+24,270
New +$342K ﹤0.01% 3551
2019
Q2 		– Sell
-22,930
Closed -$238K – 4343
2019
Q1 		$238K Buy
+22,930
New +$215K ﹤0.01% 3659
2017
Q2 		– Sell
-167,330
Closed -$853K – 3731
2017
Q1 		$853K Buy
+167,330
New +$779K ﹤0.01% 2497

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

Millennium Management's NSSC Position: Q1 2026 in Review

Millennium Management reduced its Napco Security Technologies (NSSC) stake by 80% in Q1 2026, selling an estimated $2.47M and leaving 14,598 shares worth $575K. The position accounts for ﹤0.01% of the portfolio, ranked #4693.

Millennium Management first reported a position in NSSC in Q1 2017 and has held it in 20 quarters since. The position peaked at $21.1M in Q4 2022. 270 funds tracked by Wall St. Rank hold NSSC as of Q1 2026.

  • Millennium Management held 14,598 shares of Napco Security Technologies worth $575K as of Q1 2026.
  • Millennium Management sold 58,889 Napco Security Technologies shares in Q1 2026, an estimated $2.47M.
  • Napco Security Technologies made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4693 holding.
  • Millennium Management first reported a position in Napco Security Technologies in Q1 2017 and has held it in 20 quarters since.
  • Millennium Management's Napco Security Technologies position peaked at $21.1M in Q4 2022.
  • 270 funds tracked by Wall St. Rank held Napco Security Technologies as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.