Nebula Research & Development’s Napco Security Technologies NSSC Stock Holding History

Nebula Research & Development’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
2025 Q3	–	Sell	-26,746	Closed	-$794K	–	579
2025 Q2	$794K	Sell	26,746 -2,706	-9%	-$69.6K	0.07%	482
2025 Q1	$678K	Buy	29,452 +8,647	+42%	+$245K	0.06%	508
2024 Q4	$740K	Buy	20,805 +4,186	+25%	+$161K	0.09%	402
2024 Q3	$672K	Buy	+16,619	New	+$815K	0.08%	454
2024 Q2	–	Sell	-11,827	Closed	-$475K	–	964
2024 Q1	$475K	Buy	+11,827	New	+$464K	0.1%	370
2023 Q3	–	Sell	-18,187	Closed	-$630K	–	610
2023 Q2	$630K	Buy	+18,187	New	+$635K	0.48%	12

Other funds holding NSSC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Fundsmith LLP London, United Kingdom $13.6B AUM 7.6% 1-Year Est. Return

Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return

CCM

Copeland Capital Management Conshohocken, Pennsylvania $4.87B AUM 31.21% 1-Year Est. Return

DPCM

Doma Perpetual Capital Management Miami, Florida $431M AUM 13.21% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Nebula Research & Development's NSSC Position: Q3 2025 in Review

Nebula Research & Development sold out of Napco Security Technologies (NSSC) in Q3 2025, closing a stake of 26,746 shares — an estimated $794K sold.

Nebula Research & Development first reported a position in NSSC in Q2 2023 and held it in 6 quarters. The position peaked at $794K in Q2 2025. 240 funds tracked by Wall St. Rank hold NSSC as of Q3 2025.

Nebula Research & Development reported no remaining Napco Security Technologies position as of Q3 2025 after selling out during the quarter.
Nebula Research & Development sold 26,746 Napco Security Technologies shares in Q3 2025, an estimated $794K.
Nebula Research & Development first reported a position in Napco Security Technologies in Q2 2023 and held it in 6 quarters.
Nebula Research & Development's Napco Security Technologies position peaked at $794K in Q2 2025.
240 funds tracked by Wall St. Rank held Napco Security Technologies as of Q3 2025.

Based on Nebula Research & Development's 13F filing for Q3 2025.