Napco Security Technologies, Inc.
DE ˙ DB ˙ US6304021057
30,62 € ↓ -0,19 (-0,62%)
2026-06-04
AKTIENPREIS
SecurityDE:NS1 / Napco Security Technologies, Inc.
InstitutionSei Investments Co
Latest Disclosed Ownership94,514 shares
Latest Disclosed Value $ 3,941,310
Sei Investments Co reports 6.25% increase in ownership of NS1 / Napco Security Technologies, Inc.

On February 13, 2026 - Sei Investments Co filed a 13F-HR form disclosing ownership of 94,514 shares of Napco Security Technologies, Inc. (DE:NS1) valued at $3,342,960 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 13, 2025 disclosing 88,956 shares of Napco Security Technologies, Inc.. This represents a change in shares of 6.25% during the quarter. The current value of the position is $2,894,019 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-02-13 2025-12-31 13F NAPCO SEC TECHNOLOGIES COM 630402105 94,514 5,558 6.25 3,941 3.17 0.0039
2025-11-13 2025-09-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 88,956 6,494 7.88 3,821 56.05 0.0041
2025-08-14 2025-06-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 82,462 27,313 49.53 2,449 92.91 0.0028
2025-05-14 2025-03-31 13F/A-1 NAPCO SEC TECHNOLOGIES COM 630402105 55,149 10,001 22.15 1,269 -20.93 0.0016
2025-05-13 2025-03-31 13F NAPCO SEC TECHNOLOGIES COM 630402105 58,089 12,941 1,481 0.0016
2025-02-11 2024-12-31 13F NAPCO SEC TECHNOLOGIES COM 630402105 45,148 6,991 18.32 1,605 4.02 0.0021
2024-11-12 2024-09-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 38,157 6,189 19.36 1,544 -7.05 0.0020
2024-08-13 2024-06-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 31,968 14,985 88.24 1,661 143.76 0.0024
2024-05-07 2024-03-31 13F NAPCO SEC TECHNOLOGIES COM 630402105 16,983 16,983 682 0.0010
2023-11-14 2023-09-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 0 -24,579 -100.00 0 -100.00
2023-08-11 2023-06-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 24,579 -2,795 -10.21 852 -17.22 0.0015
2023-05-12 2023-03-31 13F NAPCO SEC TECHNOLOGIES COM 630402105 27,374 14,609 114.45 1,029 193.71 0.0019
2023-02-10 2022-12-31 13F NAPCO SEC TECHNOLOGIES COM 630402105 12,765 -2,592 -16.88 351 -21.70 0.0008
2022-11-14 2022-09-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 15,357 15,357 447 0.0010
2019-11-12 2019-09-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 0 -22,566 -100.00 0 -100.00
2019-08-14 2019-06-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 22,566 22,566 669 0.0022
2018-11-08 2018-09-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 0 -112 -100.00 0 -100.00
2018-08-03 2018-06-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 112 63 128.57 2 100.00 0.0000
2018-05-11 2018-03-31 13F NAPCO SEC TECHNOLOGIES COM 630402105 49 17 53.12 1 0.0000
2018-02-08 2017-12-31 13F NAPCO SEC TECHNOLOGIES COM 630402105 32 0 0.00 0 0.0000
2017-11-06 2017-09-30 13F NAPCO SEC TECHNOLOGIES COM 630402105 32 32 0 0.0000
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.