Vanguard Portfolio Management
NSSC icon

Vanguard Portfolio Management’s Napco Security Technologies NSSC Stock Holding History

Vanguard Portfolio 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
Q2 		$56.8M Buy
1,494,431
+30,219
+2% +$1.2M ﹤0.01% 1687
2026
Q1 		$57.7M Buy
+1,464,212
New +$61.4M ﹤0.01% 1629

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
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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management's NSSC Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Napco Security Technologies (NSSC) stake by 2.1% in Q2 2026, buying an estimated $1.2M and bringing the position to 1,494,431 shares worth $56.8M. The position accounts for ﹤0.01% of the portfolio, ranked #1687.

Vanguard Portfolio Management first reported a position in NSSC in Q1 2026 and has held it in 2 quarters since. The position peaked at $57.7M in Q1 2026. 256 funds tracked by Wall St. Rank hold NSSC as of Q2 2026.

  • Vanguard Portfolio Management held 1,494,431 shares of Napco Security Technologies worth $56.8M as of Q2 2026.
  • Vanguard Portfolio Management bought 30,219 Napco Security Technologies shares in Q2 2026, an estimated $1.2M.
  • Napco Security Technologies made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1687 holding.
  • Vanguard Portfolio Management first reported a position in Napco Security Technologies in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Portfolio Management's Napco Security Technologies position peaked at $57.7M in Q1 2026.
  • 256 funds tracked by Wall St. Rank held Napco Security Technologies as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.