Linden Thomas Advisory Services, LLC

CIK

1965702

City

Charlotte

State / Country

NC

Stock

NSSC — Napco Security Technologies, Inc

Top Portfolio Positions

527 positions · $1,036,858,620 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio	Open
NVDA	Nvidia Corp Technology	175,438	$30,596,387	2.95%
GOOGL	Alphabet Inc. Communication Services	59,363	$17,070,424	1.65%
AAPL	Apple Inc. Technology	63,160	$16,029,376	1.55%
AVGO	Broadcom Inc. Technology	49,811	$15,417,002	1.49%
ANET	Arista Networks, Inc. Technology	105,775	$12,987,054	1.25%
MSFT	Microsoft Corp Technology	27,741	$10,268,885	0.99%
META	Meta Platforms, Inc. Communication Services	13,930	$7,969,770	0.77%
RMD	Resmed Inc Healthcare	34,297	$7,698,990	0.74%
HEI	Heico Corp Industrials	26,815	$7,352,673	0.71%
MO	Altria Group, Inc. Consumer Defensive	110,384	$7,284,240	0.70%

Portfolio Trend

14 quarters · across all stocks

Holdings in NSSC

Compact Export CSV

Shares Held

Position Value (USD)

13 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,854,672	72,472	+64.5%	Shares	Sole	2026-04-10
2025-12-31	$1,837,635	44,068	+3.4%	Shares	Sole	2026-01-16
2025-09-30	$1,831,216	42,636	+4.1%	Shares	Sole	2025-11-06
2025-06-30	$1,216,428	40,971	+50.7%	Shares	Sole	2025-07-31
2025-03-31	$625,706	27,181	+10.6%	Shares	Sole	2025-04-30
2024-12-31	$874,029	24,579	+21.0%	Shares	Sole	2025-01-21
2024-09-30	$821,904	20,314	+19.8%	Shares	Sole	2024-10-17
2024-06-30	$880,552	16,950	+14.5%	Shares	Sole	2024-07-10
2024-03-31	$594,287	14,798	+16.5%	Shares	Sole	2024-04-30
2023-12-31	$435,146	12,705	+32.8%	Shares	Sole	2024-02-01
2023-09-30	$212,799	9,564	+18.8%	Shares	Sole	2023-10-20
2023-06-30	$278,863	8,048	+46.6%	Shares	Sole	2023-07-27
2023-03-31	$206,351	5,491	—	Shares	Sole	2023-04-25
No 13F history on record for this holder in this stock.