Wellington Management Group
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Wellington Management Group’s Napco Security Technologies NSSC Stock Holding History

Wellington Management 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
Q2 		$41.9M Buy
1,102,280
+172,681
+19% +$6.86M 0.01% 804
2026
Q1 		$36.6M Buy
929,599
+50,301
+6% +$2.11M 0.01% 818
2025
Q4 		$36.7M Sell
879,298
-129,559
-13% -$5.45M 0.01% 823
2025
Q3 		$43.3M Sell
1,008,857
-30,365
-3% -$1.05M 0.01% 777
2025
Q2 		$30.9M Buy
1,039,222
+389,904
+60% +$10M 0.01% 817
2025
Q1 		$14.9M Buy
649,318
+356,094
+121% +$10.1M ﹤0.01% 1073
2024
Q4 		$10.4M Buy
+293,224
New +$11.2M ﹤0.01% 1184
2024
Q3 		– Sell
-676,647
Closed -$35.2M – 1994
2024
Q2 		$35.2M Buy
676,647
+5,802
+0.9% +$266K 0.01% 795
2024
Q1 		$26.9M Sell
670,845
-20,303
-3% -$797K ﹤0.01% 877
2023
Q4 		$23.7M Buy
691,148
+434,164
+169% +$11.5M ﹤0.01% 897
2023
Q3 		$5.72M Buy
256,984
+146,027
+132% +$4.43M ﹤0.01% 1246
2023
Q2 		$3.84M Sell
110,957
-16,135
-13% -$563K ﹤0.01% 1338
2023
Q1 		$4.78M Buy
+127,092
New +$4.05M ﹤0.01% 1296

Other funds holding NSSC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CCM
Copeland Capital Management Conshohocken, Pennsylvania $4.87B AUM 31.21% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Wellington Management Group's NSSC Position: Q2 2026 in Review

Wellington Management Group increased its Napco Security Technologies (NSSC) stake by 19% in Q2 2026, buying an estimated $6.86M and bringing the position to 1,102,280 shares worth $41.9M. The position accounts for 0.01% of the portfolio, ranked #804.

Wellington Management Group first reported a position in NSSC in Q1 2023 and has held it in 13 quarters since. The position peaked at $43.3M in Q3 2025. 258 funds tracked by Wall St. Rank hold NSSC as of Q2 2026.

  • Wellington Management Group held 1,102,280 shares of Napco Security Technologies worth $41.9M as of Q2 2026.
  • Wellington Management Group bought 172,681 Napco Security Technologies shares in Q2 2026, an estimated $6.86M.
  • Napco Security Technologies made up 0.01% of Wellington Management Group's portfolio in Q2 2026, its #804 holding.
  • Wellington Management Group first reported a position in Napco Security Technologies in Q1 2023 and has held it in 13 quarters since.
  • Wellington Management Group's Napco Security Technologies position peaked at $43.3M in Q3 2025.
  • 258 funds tracked by Wall St. Rank held Napco Security Technologies as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.