ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Position in NSSC — Napco Security Technologies, Inc
CIK 1164508
BOSTON, MA
Position in NSSC
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$26,507,647
-$6,817,868 QoQ
Shares Held
697,937
-17.5% QoQ
Ownership
1.95%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#12
of 256 holders
Holding Since
Jun 2020
17 quarters on record
Voting authority
Sole 76%
Shared 0%
None 24%
Common Shares in NSSC Over Time
Shares Held
Position Value (USD)
Position in Security & Protection Services
Industrials · as of Jun 30, 2026ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $32,410,536 across 6 Security & Protection Services names. NSSC ranks #1 (81.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NSSC |
Napco Security Technologies, Inc
This page
|
697,937 | $26,507,647 | |
| 2 | EVLV |
Evolv Technologies Holdings, Inc.
|
708,177 | $4,107,426 | |
| 3 | MSA |
MSA Safety Inc
|
4,002 | $698,669 | |
| 4 | ADT |
ADT Inc.
|
90,941 | $591,116 | |
| 5 | ALLE |
Allegion plc
|
2,421 | $340,126 | |
| 6 | NL |
Nli Holdings, Inc.
|
27,824 | $165,552 |
All Filings in NSSC
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $26,507,647 | 697,937 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $33,325,515 | 846,040 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $36,029,717 | 864,022 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $36,986,005 | 861,141 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $3,327,536 | 112,076 | Shares | Defined | 2025-08-13 | |
| 2024-12-31 | $2,034,458 | 57,212 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,012,794 | 25,032 | Shares | Defined | 2024-11-14 | |
| 2023-06-30 | $258,558 | 7,462 | Shares | Defined | 2023-08-14 | |
| 2022-12-31 | $396,041 | 14,412 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $610,360 | 20,989 | Shares | Defined | 2022-11-14 | |
| 2021-12-31 | $2,937,374 | 58,771 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $2,163,736 | 50,226 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $1,783,075 | 49,026 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $1,738,922 | 49,926 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $1,558,149 | 59,426 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $871,709 | 37,094 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $906,806 | 38,769 | Shares | Defined | 2020-08-12 | |
| No filing history on record for this holder in this stock. | ||||||