NAPCO SECURITY TECHNOLOGIES, INC - Common Stock, par value $0.01 per share (NSSC)

Q: What does CUSIP 630402105 represent in this 13F holders report?

CUSIP 630402105 is the security identifier for NSSC - NAPCO SECURITY TECHNOLOGIES, INC - Common Stock, par value $0.01 per share used to aggregate holder disclosures.

Q: How many institutions held NSSC - NAPCO SECURITY TECHNOLOGIES, INC - Common Stock, par value $0.01 per share in Q1 2023?

193 institutional investors reported NSSC - NAPCO SECURITY TECHNOLOGIES, INC - Common Stock, par value $0.01 per share for Q1 2023. Use the holders table for investor-level position and value details.

CUSIP: 630402105

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common Stock, par value $0.01 per share
Total 13F shares: 30,082,692
Total 13F value: $1,130,420,537
Share change: +2,208,025
Put/Call ratio: 8.1%
SEC-reported price per share: $37.58
Number of holders: 193
Value change: +$89,106,085
Number of buys: 113
Number of sells: 72
Shares outstanding: 35,884,224

Security key

630402105

Report period

Q1 2023

Institutions

193

Top holders

NSSC full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 NAPCO SECURITY TECHNOLOGIES, INC SEC filings NAPCO SECURITY TECHNOLOGIES, INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 630402105

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of NSSC - NAPCO SECURITY TECHNOLOGIES, INC - Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

FMR LLC

Disclosed value leader

FMR LLC

Comparable rows

0/15

Latest evidence

31 Dec 2022

13F Highest disclosed value: $66,845,375 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

FMR LLC has the largest disclosed position value at $66.85M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens FMR LLC's linked filing trail.

Disclosed position value Top 5

FMR LLC $66.85M

BlackRock Finance, Inc. $54.4M

VANGUARD GROUP INC $51.87M

Janus Henderson Group Ltd. $43.31M

FIL Ltd $40.38M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
FMR LLC	13F Company 13F	— denominator unverified	$66,845,375 2,432,510 shares	—	31 Dec 2022
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$54,397,209 1,979,520 shares	—	31 Dec 2022
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$51,867,841 1,887,476 shares	—	31 Dec 2022
Janus Henderson Group Ltd.	13F Company 13F	— denominator unverified	$43,313,107 1,576,172 shares	—	31 Dec 2022
FIL Ltd	13F Company 13F	— denominator unverified	$40,375,540 1,469,270 shares	—	31 Dec 2022
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	— denominator unverified	$34,148,000 1,242,654 shares	—	31 Dec 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

193

30,082,692

Rows available

193

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q1 2023 Across Filers

Q1 2023 holders

193

Q1 2023 holders

193

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend