Janus Henderson Group
NSSC icon

Janus Henderson Group’s Napco Security Technologies NSSC Stock Holding History

Janus Henderson Group’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 		$56.1M Sell
1,424,963
-144,400
-9% -$6.06M 0.03% 386
2025
Q4 		$65.5M Buy
1,569,363
+45,093
+3% +$1.9M 0.03% 367
2025
Q3 		$65.5M Buy
1,524,270
+55,584
+4% +$1.93M 0.03% 358
2025
Q2 		$43.6M Buy
1,468,686
+501,254
+52% +$12.9M 0.02% 420
2025
Q1 		$22.3M Buy
967,432
+28,077
+3% +$796K 0.01% 543
2024
Q4 		$33.4M Buy
939,355
+123,091
+15% +$4.72M 0.02% 475
2024
Q3 		$33M Sell
816,264
-96,990
-11% -$4.75M 0.02% 474
2024
Q2 		$47.4M Sell
913,254
-20,283
-2% -$928K 0.03% 390
2024
Q1 		$37.5M Buy
933,537
+1,860
+0.2% +$73K 0.02% 445
2023
Q4 		$31.9M Buy
931,677
+22,322
+2% +$592K 0.02% 462
2023
Q3 		$20.2M Sell
909,355
-2,859
-0.3% -$86.7K 0.01% 530
2023
Q2 		$31.6M Sell
912,214
-335,694
-27% -$11.7M 0.02% 485
2023
Q1 		$46.9M Sell
1,247,908
-328,264
-21% -$10.5M 0.03% 392
2022
Q4 		$43.3M Sell
1,576,172
-1,896,882
-55% -$51.2M 0.03% 401
2022
Q3 		$101M Buy
3,473,054
+1,718,202
+98% +$45.9M 0.04% 359
2022
Q2 		$36.1M Buy
1,754,852
+25,249
+1% +$475K 0.02% 454
2022
Q1 		$35.5M Buy
1,729,603
+218,203
+14% +$4.53M 0.02% 597
2021
Q4 		$37.8M Buy
1,511,400
+127,278
+9% +$3M 0.02% 631
2021
Q3 		$29.8M Sell
1,384,122
-151,620
-10% -$2.84M 0.01% 695
2021
Q2 		$27.9M Sell
1,535,742
-73,606
-5% -$1.26M 0.01% 714
2021
Q1 		$28M Sell
1,609,348
-11,302
-0.7% -$174K 0.01% 694
2020
Q4 		$21.2M Buy
1,620,650
+1,348,708
+496% +$18.2M 0.01% 740
2020
Q3 		$3.19M Buy
271,942
+145,968
+116% +$1.76M ﹤0.01% 984
2020
Q2 		$1.47M Buy
125,974
+99,162
+370% +$1.04M ﹤0.01% 1074
2020
Q1 		$203K Buy
26,812
+192
+0.7% +$2.26K ﹤0.01% 1261
2019
Q4 		$391K Buy
26,620
+10,216
+62% +$148K ﹤0.01% 1313
2019
Q3 		$209K Buy
16,404
+1,402
+9% +$19.8K ﹤0.01% 1375
2019
Q2 		$223K Buy
+15,002
New +$199K ﹤0.01% 1344

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
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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Janus Henderson Group's NSSC Position: Q1 2026 in Review

Janus Henderson Group reduced its Napco Security Technologies (NSSC) stake by 9.2% in Q1 2026, selling an estimated $6.06M and leaving 1,424,963 shares worth $56.1M. The position accounts for 0.03% of the portfolio, ranked #386.

Janus Henderson Group first reported a position in NSSC in Q2 2019 and has held it in 28 quarters since. The position peaked at $101M in Q3 2022. 270 funds tracked by Wall St. Rank hold NSSC as of Q1 2026.

  • Janus Henderson Group held 1,424,963 shares of Napco Security Technologies worth $56.1M as of Q1 2026.
  • Janus Henderson Group sold 144,400 Napco Security Technologies shares in Q1 2026, an estimated $6.06M.
  • Napco Security Technologies made up 0.03% of Janus Henderson Group's portfolio in Q1 2026, its #386 holding.
  • Janus Henderson Group first reported a position in Napco Security Technologies in Q2 2019 and has held it in 28 quarters since.
  • Janus Henderson Group's Napco Security Technologies position peaked at $101M in Q3 2022.
  • 270 funds tracked by Wall St. Rank held Napco Security Technologies as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.