CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Position in NSSC — Napco Security Technologies, Inc

CIK 884546 SAN FRANCISCO, CA

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Position in NSSC

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$13,465,087

+$129,209 QoQ

Shares Held

354,531

+4.7% QoQ

Ownership

0.991%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#23

of 256 holders

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in NSSC Over Time

Shares Held

Position Value (USD)

Position in Security & Protection Services

Industrials · as of Jun 30, 2026

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $444,273,276 across 12 Security & Protection Services names. NSSC ranks #8 (3.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALLE	Allegion plc	787,261	$110,602,296
2	MSA	MSA Safety Inc	425,095	$74,213,084
3	GEO	Geo Group Inc	2,210,061	$65,307,302
4	CXW	CoreCivic, Inc.	1,644,056	$49,946,421
5	BCO	Brinks Co	514,818	$48,645,152
6	BRC	Brady Corp	446,609	$40,895,986
7	ADT	ADT Inc.	5,061,873	$32,902,174
8	NSSC	Napco Security Technologies, Inc This page	354,531	$13,465,087

All Filings in NSSC

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,465,087	354,531	+4.7%	Shares	Sole	2026-08-14
2026-03-31	$13,335,878	338,560	+7.5%	Shares	Sole	2026-05-15
2025-12-31	$13,128,911	314,842	+2.7%	Shares	Sole	2026-02-13
2025-09-30	$13,163,788	306,491	-8.4%	Shares	Sole	2025-11-10
2025-06-30	$9,936,322	334,669	-10.9%	Shares	Sole	2025-08-12
2024-12-31	$13,354,593	375,551	+4.6%	Shares	Sole	2025-02-06
2024-09-30	$14,529,307	359,103	+30.5%	Shares	Sole	2024-11-12
2024-06-30	$14,298,302	275,232	+14.6%	Shares	Sole	2024-08-12
2024-03-31	$9,641,412	240,075	+1.8%	Shares	Sole	2024-05-09
2023-12-31	$8,079,575	235,900	+2.5%	Shares	Sole	2024-02-06
2023-09-30	$5,121,438	230,177	+3.3%	Shares	Sole	2023-11-08
2023-06-30	$7,719,257	222,778	+0.7%	Shares	Sole	2023-08-10
2023-03-31	$8,312,808	221,203	+2.1%	Shares	Sole	2023-05-12
2022-12-31	$5,953,459	216,647	+2.0%	Shares	Sole	2023-02-13
2022-09-30	$6,178,191	212,455	+2.3%	Shares	Sole	2022-11-14
2022-06-30	$4,276,110	207,679	-1.9%	Shares	Sole	2022-08-15
2022-03-31	$4,345,068	211,748	+106.2%	Shares	Sole	2022-05-13
2021-12-31	$5,131,346	102,668	+0.3%	Shares	Sole	2022-02-11
2021-09-30	$4,407,988	102,321	+18.3%	Shares	Sole	2021-11-16
2021-06-30	$3,146,150	86,504	+1.8%	Shares	Sole	2021-08-16
2021-03-31	$2,959,923	84,982	+9.5%	Shares	Sole	2021-05-17
2020-12-31	$2,034,698	77,601	+2.7%	Shares	Sole	2021-02-16
2020-09-30	$1,775,965	75,573	-0.5%	Shares	Sole	2020-11-13
2020-06-30	$1,776,610	75,956	+8.0%	Shares	Sole	2020-08-20
2020-03-31	$1,066,921	70,331	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.