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Brown Brothers Harriman & Co’s Napco Security Technologies NSSC Stock Holding History

Brown Brothers Harriman & Co’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 		$5.28K Sell
139
-218
-61% -$8.66K ﹤0.01% 1551
2026
Q1 		$14.1K Buy
357
+162
+83% +$6.8K ﹤0.01% 1296
2025
Q4 		$8.13K Hold
195
– – ﹤0.01% 1388
2025
Q3 		$8.38K Buy
+195
New +$6.76K ﹤0.01% 1315
2023
Q3 		– Sell
-229
Closed -$7.93K – 1277
2023
Q2 		$7.93K Buy
+229
New +$8K ﹤0.01% 996

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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Brown Brothers Harriman & Co's NSSC Position: Q2 2026 in Review

Brown Brothers Harriman & Co reduced its Napco Security Technologies (NSSC) stake by 61% in Q2 2026, selling an estimated $8.66K and leaving 139 shares worth $5.28K. The position accounts for ﹤0.01% of the portfolio, ranked #1551.

Brown Brothers Harriman & Co first reported a position in NSSC in Q2 2023 and has held it in 5 quarters since. The position peaked at $14.1K in Q1 2026. 258 funds tracked by Wall St. Rank hold NSSC as of Q2 2026.

  • Brown Brothers Harriman & Co held 139 shares of Napco Security Technologies worth $5.28K as of Q2 2026.
  • Brown Brothers Harriman & Co sold 218 Napco Security Technologies shares in Q2 2026, an estimated $8.66K.
  • Napco Security Technologies made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #1551 holding.
  • Brown Brothers Harriman & Co first reported a position in Napco Security Technologies in Q2 2023 and has held it in 5 quarters since.
  • Brown Brothers Harriman & Co's Napco Security Technologies position peaked at $14.1K in Q1 2026.
  • 258 funds tracked by Wall St. Rank held Napco Security Technologies as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.