NSSC

NAPCO SECURITY TECHNOLOGIES
USCUSIP 630402105
Institutional Owners
93
+18 QoQ
13F Value Held
$358.8M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)56 adding · 32 trimming
Insider net (180d)+$0
Price history not yet available for NSSC.

Top institutional holders

93 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD CAPITAL MANAGEMENT LLC
$59.3M
1.51MNewQ1 2026
2VANGUARD PORTFOLIO MANAGEMENT LLC
$57.7M
1.46MNewQ1 2026
3STATE STREET CORP
$56.5M
1.43MAddedQ1 2026
4Divisadero Street Capital Management, LP
$33.8M
809.7KNewQ4 2025
5Point72 Asset Management, L.P.
$19.0M
482.3KAddedQ1 2026
6JACOBS LEVY EQUITY MANAGEMENT, INC
$16.3M
412.8KReducedQ1 2026
7Visionary Wealth Advisors
$10.3M
262.4KReducedQ1 2026
8VANGUARD FIDUCIARY TRUST CO
$9.7M
246.6KNewQ1 2026
9WASATCH ADVISORS LP
$9.6M
242.6KAddedQ1 2026
10Copeland Capital Management, LLC
$7.1M
180.9KReducedQ1 2026
11Trexquant Investment LP
$6.7M
171.1KAddedQ1 2026
12RICE HALL JAMES & ASSOCIATES, LLC
$5.8M
146.8KAddedQ1 2026
13CRAWFORD INVESTMENT COUNSEL INC
$5.5M
139.3KAddedQ1 2026
14CenterBook Partners LP
$5.2M
132.5KReducedQ1 2026
15PUBLIC SECTOR PENSION INVESTMENT BOARD
$5.0M
127.6KAddedQ1 2026
16Rockefeller Capital Management L.P.
$4.8M
115.7KNewQ4 2025
17LOS ANGELES CAPITAL MANAGEMENT LLC
$4.8M
121.5KNewQ1 2026
18DEPRINCE RACE & ZOLLO INC
$4.7M
118.8KAddedQ1 2026
19VOLORIDGE INVESTMENT MANAGEMENT, LLC
$3.9M
99.2KReducedQ1 2026
20Walleye Capital LLC
$3.5M
89.4KNewQ1 2026
21FIRST NATIONAL BANK OF OMAHA
$3.0M
75.2KAddedQ1 2026
22Y-Intercept (Hong Kong) Ltd
$2.3M
59.3KAddedQ1 2026
23Gotham Asset Management, LLC
$1.8M
46.1KAddedQ1 2026
24Vest Financial, LLC
$1.8M
45.4KAddedQ1 2026
25SEIZERT CAPITAL PARTNERS, LLC
$1.8M
44.8KAddedQ1 2026

Fund activity — latest quarter

Opened (NEW)
27
funds
Added
29
funds
Reduced
19
funds
Exited
13
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

87 funds+86 since Q2 2022
04487Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $337M

Funds that own NSSC also own

CompanyCo-held byCombined value
Microsoft CorporationMSFT86 funds$148.6B
Apple Inc.AAPL84 funds$193.2B
Alphabet, Inc.GOOGL83 funds$87.7B
Meta Platforms, Inc.META83 funds$66.6B
Jpmorgan Chase & Co - USJPM83 funds$47.4B
Lilly Eli & CoLLY83 funds$42.4B
Nvidia Corp - USNVDA82 funds$222.6B
Amazon.com, Inc.AMZN82 funds$107.4B
Broadcom LtdAVGO82 funds$77.7B
Lam Research CorporationLRCX82 funds$16.8B
Unitedhealth Group Inc - USUNH82 funds$15.4B
Visa Inc Cl AV81 funds$32.8B

Ranked by how many of NSSC's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for NSSC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.