DIMENSIONAL FUND ADVISORS LP

Position in NSSC — Napco Security Technologies, Inc

CIK 354204 AUSTIN, TX

Back to NSSC Full portfolio

Position in NSSC

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$27,556,387

-$128,949 QoQ

Shares Held

725,550

+3.2% QoQ

Ownership

2.03%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#11

of 256 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 90% Shared 5% None 5%

Common Shares in NSSC Over Time

Shares Held

Position Value (USD)

Position in Security & Protection Services

Industrials · as of Jun 30, 2026

DIMENSIONAL FUND ADVISORS LP holds $871,749,389 across 12 Security & Protection Services names. NSSC ranks #7 (3.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ADT	ADT Inc.	43,246,525	$281,102,411
2	ALLE	Allegion plc	1,090,624	$153,221,764
3	BRC	Brady Corp	1,548,727	$141,816,929
4	MSA	MSA Safety Inc	773,699	$135,072,370
5	BCO	Brinks Co	888,348	$83,940,000
6	MG	Mistras Group, Inc.	1,700,793	$29,712,852
7	NSSC	Napco Security Technologies, Inc This page	725,550	$27,556,387
8	NL	Nli Holdings, Inc.	2,058,135	$12,245,901

All Filings in NSSC

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$27,556,387	725,550	+3.2%	Shares	Sole	2026-08-11
2026-03-31	$27,685,336	702,852	+4.7%	Shares	Sole	2026-05-07
2025-12-31	$27,990,830	671,243	-1.0%	Shares	Sole	2026-02-12
2025-09-30	$29,123,749	678,085	-5.7%	Shares	Sole	2025-11-12
2025-06-30	$21,357,351	719,345	-15.5%	Shares	Sole	2025-08-12
2025-03-31	$19,586,450	850,845	-16.3%	Shares	Sole	2025-05-13
2024-12-31	$36,148,658	1,016,554	+0.1%	Shares	Sole	2025-02-13
2024-09-30	$41,109,058	1,016,042	-5.1%	Shares	Sole	2024-11-07
2024-06-30	$55,603,849	1,070,334	-9.9%	Shares	Sole	2024-08-09
2024-03-31	$47,689,395	1,187,485	-0.2%	Shares	Sole	2024-05-10
2023-12-31	$40,752,669	1,189,859	-3.7%	Shares	Sole	2024-02-07
2023-09-30	$27,496,214	1,235,785	+1.0%	Shares	Sole	2023-11-09
2023-06-30	$42,388,520	1,223,334	+1.0%	Shares	Sole	2023-08-09
2023-03-31	$45,538,051	1,211,763	-2.5%	Shares	Sole	2023-05-12
2022-12-31	$34,148,129	1,242,654	-0.8%	Shares	Sole	2023-02-09
2022-09-30	$36,431,189	1,252,792	+0.1%	Shares	Sole	2022-11-10
2022-06-30	$25,774,559	1,251,800	-1.7%	Shares	Sole	2022-08-12
2022-03-31	$26,135,010	1,273,636	+100.5%	Shares	Defined	2022-05-13
2021-12-31	$31,745,196	635,158	-2.2%	Shares	Defined	2022-02-09
2021-09-30	$27,964,348	649,126	-1.0%	Shares	Defined	2021-11-12
2021-06-30	$23,854,901	655,895	-1.5%	Shares	Defined	2021-08-12
2021-03-31	$23,186,818	665,714	-5.5%	Shares	Defined	2021-05-14
2020-12-31	$18,473,012	704,539	-7.7%	Shares	Defined	2021-03-08
2020-09-30	$17,928,643	762,921	-3.4%	Shares	Defined	2020-11-12
2020-06-30	$18,477,281	789,965	-2.1%	Shares	Defined	2020-08-13
2020-03-31	$12,234,893	806,519	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.