VANGUARD PORTFOLIO MANAGEMENT LLC
Position in NSSC — Napco Security Technologies, Inc
CIK 2100121
MALVERN, PA
Position in NSSC
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$56,758,489
-$916,821 QoQ
Shares Held
1,494,431
+2.1% QoQ
Ownership
4.18%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#6
of 256 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in NSSC Over Time
Shares Held
Position Value (USD)
Position in Security & Protection Services
Industrials · as of Jun 30, 2026VANGUARD PORTFOLIO MANAGEMENT LLC holds $2,282,236,613 across 12 Security & Protection Services names. NSSC ranks #8 (2.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALLE |
Allegion plc
|
4,953,114 | $695,862,985 | |
| 2 | ADT |
ADT Inc.
|
49,552,024 | $322,088,156 | |
| 3 | MSA |
MSA Safety Inc
|
1,828,682 | $319,251,303 | |
| 4 | BRC |
Brady Corp
|
2,561,444 | $234,551,427 | |
| 5 | GEO |
Geo Group Inc
|
7,427,064 | $219,469,741 | |
| 6 | CXW |
CoreCivic, Inc.
|
6,831,934 | $207,554,154 | |
| 7 | BCO |
Brinks Co
|
1,998,023 | $188,793,193 | |
| 8 | NSSC |
Napco Security Technologies, Inc
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|
1,494,431 | $56,758,489 |
All Filings in NSSC
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $56,758,489 | 1,494,431 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $57,675,310 | 1,464,212 | Shares | Defined | 2026-05-08 | |
| No filing history on record for this holder in this stock. | ||||||