WELLINGTON MANAGEMENT GROUP LLP
Position in NSSC — Napco Security Technologies, Inc
CIK 902219
Boston, MA
Position in NSSC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$41,864,593
+$5,247,690 QoQ
Shares Held
1,102,280
+18.6% QoQ
Ownership
3.08%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#9
of 256 holders
Holding Since
Mar 2023
13 quarters on record
Voting authority
Sole 0%
Shared 73%
None 27%
Common Shares in NSSC Over Time
Shares Held
Position Value (USD)
Position in Security & Protection Services
Industrials · as of Jun 30, 2026WELLINGTON MANAGEMENT GROUP LLP holds $91,980,887 across 2 Security & Protection Services names. NSSC ranks #2 (45.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALLE |
Allegion plc
|
356,725 | $50,116,294 | |
| 2 | NSSC |
Napco Security Technologies, Inc
This page
|
1,102,280 | $41,864,593 |
All Filings in NSSC
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $41,864,593 | 1,102,280 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $36,616,903 | 929,599 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $36,666,725 | 879,298 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $43,330,407 | 1,008,857 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $30,854,499 | 1,039,222 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $14,947,299 | 649,318 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $10,427,045 | 293,224 | Shares | Defined | 2025-02-12 | |
| 2024-06-30 | $35,151,809 | 676,647 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $26,941,133 | 670,845 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $23,671,818 | 691,148 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $5,717,894 | 256,984 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $3,844,659 | 110,957 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $4,776,117 | 127,092 | Shares | Defined | 2023-05-12 | |
| No filing history on record for this holder in this stock. | ||||||