13F Insight
DOSSIER · 13F Holders · Q2 2026Technology · Communications Equipment, NEC
NSSC

NAPCO SEC TECHNOLOGIES INC

277 institutions still hold NAPCO SEC TECHNOLOGIES INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 630402105·Communications Equipment, NEC·277 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$945M
visible holders
Holders
277
filers reporting
Concentration
22.63%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

277 institutions reported NSSC in Q2 2026. BlackRock, Inc. leads at 22.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$214M5.6M0.00%Q2 202602
Copeland Capital Management, LLC
CIK 0001541743
$74M2.1M1.71%Q3 202603
Jupiter Topco LLC
CIK 0002146052
$64M1.7M0.03%Q2 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$58M1.5M0.00%Q2 202605
STATE STREET CORP
CIK 0000093751
$57M1.5M0.00%Q2 202606
Vanguard Portfolio Management
CIK 0002100121· Index
$57M1.5M0.00%Q2 202607
JANUS HENDERSON GROUP PLC
CIK 0001274173
$56M1.4M0.03%Q1 202608
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$50M1.3M0.03%Q2 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$45M1.2M0.00%Q2 202610
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$42M1.1M0.01%Q2 202611
MORGAN STANLEY
CIK 0000895421
$36M960K0.00%Q2 202612
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$28M726K0.01%Q2 202613
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$27M698K0.01%Q2 202614
Doma Perpetual Capital Management LLC
CIK 0001962221
$24M628K5.54%Q2 202615
NORTHERN TRUST CORP
CIK 0000073124· Index
$23M611K0.00%Q2 202616
Fundsmith LLP
CIK 0001569205
$23M607K0.17%Q2 202617
Point72 Asset Management, L.P.
CIK 0001603466
$19M482K0.02%Q1 202618
DEPRINCE RACE & ZOLLO INC
CIK 0001008894
$17M480K0.30%Q3 202619
JACOBS LEVY EQUITY MANAGEMENT, INC
CIK 0000884414
$16M413K0.07%Q1 202620
ROYAL BANK OF CANADA
CIK 0001000275
$15M406K0.00%Q2 2026
Page 1 of 14
257 more holders available. Log in →
Insiders at NAPCO SEC TECHNOLOGIES INC
Soloway Richard →Soloway Donna Anne →Buchel Kevin S →Spinelli Stephen M →Carrieri Michael →Beeber Paul Stephen →