Alpha Pro Tech, Ltd.
DE ˙ DB ˙ US0207721095
4,52 € ↓ -0,02 (-0,44%)
2026-06-04
CENA AKCJI
SecurityDE:APL / Alpha Pro Tech, Ltd.
InstitutionNorthern Trust Corp
Latest Disclosed Ownership18,074 shares
Latest Disclosed Value $ 80,249
Northern Trust Corp ownership in APL / Alpha Pro Tech, Ltd.

On May 14, 2026 - Northern Trust Corp filed a 13F-HR form disclosing ownership of 18,074 shares of Alpha Pro Tech, Ltd. (DE:APL) valued at $70,127 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 18,074 shares of Alpha Pro Tech, Ltd.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $81,694 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)
2026-05-14 2026-03-31 13F ALPHA PRO TECH COM 020772109 18,074 0 0.00 80 0.00 0.0000
2026-02-17 2025-12-31 13F ALPHA PRO TECH COM 020772109 18,074 -337 -1.83 80 -9.09 0.0000
2025-11-14 2025-09-30 13F ALPHA PRO TECH COM 020772109 18,411 -4,096 -18.20 88 -16.19 0.0000
2025-08-13 2025-06-30 13F ALPHA PRO TECH COM 020772109 22,507 0 0.00 106 -6.25 0.0000
2025-05-13 2025-03-31 13F ALPHA PRO TECH COM 020772109 22,507 -383 -1.67 113 -7.44 0.0000
2025-02-14 2024-12-31 13F ALPHA PRO TECH COM 020772109 22,890 0 0.00 121 -6.92 0.0000
2024-11-13 2024-09-30 13F ALPHA PRO TECH COM 020772109 22,890 -1,572 -6.43 130 -2.99 0.0000
2024-08-14 2024-06-30 13F ALPHA PRO TECH COM 020772109 24,462 4,894 25.01 135 9.84 0.0000
2024-05-14 2024-03-31 13F ALPHA PRO TECH COM 020772109 19,568 -24,115 -55.20 122 -47.19 0.0000
2024-02-13 2023-12-31 13F ALPHA PRO TECH COM 020772109 43,683 23,866 120.43 231 168.60 0.0000
2023-11-13 2023-09-30 13F ALPHA PRO TECH COM 020772109 19,817 0 0.00 86 10.26 0.0000
2023-08-11 2023-06-30 13F ALPHA PRO TECH COM 020772109 19,817 -103 -0.52 79 -4.88 0.0000
2023-05-15 2023-03-31 13F ALPHA PRO TECH COM 020772109 19,920 898 4.72 83 7.89 0.0000
2023-02-13 2022-12-31 13F ALPHA PRO TECH COM 020772109 19,022 -1,764 -8.49 76 -9.52 0.0000
2022-11-14 2022-09-30 13F ALPHA PRO TECH COM 020772109 20,786 0 0.00 84 -8.70 0.0000
2022-08-12 2022-06-30 13F ALPHA PRO TECH COM 020772109 20,786 -1,238 -5.62 92 0.00 0.0000
2022-05-13 2022-03-31 13F ALPHA PRO TECH COM 020772109 22,024 0 0.00 92 -29.77 0.0000
2022-02-08 2021-12-31 13F ALPHA PRO TECH COM 020772109 22,024 0 0.00 131 -11.49 0.0000
2021-11-15 2021-09-30 13F ALPHA PRO TECH COM 020772109 22,024 -1,148 -4.95 148 -25.25 0.0000
2021-08-13 2021-06-30 13F ALPHA PRO TECH COM 020772109 23,172 -104,051 -81.79 198 -84.05 0.0000
2021-05-12 2021-03-31 13F ALPHA PRO TECH COM 020772109 127,223 -6,354 -4.76 1,241 -16.71 0.0002
2021-02-11 2020-12-31 13F ALPHA PRO TECH COM 020772109 133,577 -2,787 -2.04 1,490 -26.09 0.0003
2020-11-16 2020-09-30 13F ALPHA PRO TECH COM 020772109 136,364 -943 -0.69 2,016 -17.07 0.0004
2020-08-14 2020-06-30 13F ALPHA PRO TECH COM 020772109 137,307 123,128 868.38 2,431 1,321.64 0.0006
2020-05-14 2020-03-31 13F ALPHA PRO TECH COM 020772109 14,179 -912 -6.04 171 228.85 0.0000
2020-02-14 2019-12-31 13F ALPHA PRO TECH COM 020772109 15,091 0 0.00 52 -5.45 0.0000
2019-11-13 2019-09-30 13F ALPHA PRO TECH COM 020772109 15,091 0 0.00 55 5.77 0.0000
2019-08-13 2019-06-30 13F ALPHA PRO TECH COM 020772109 15,091 0 0.00 52 -5.45 0.0000
2019-05-13 2019-03-31 13F ALPHA PRO TECH COM 020772109 15,091 0 0.00 55 -1.79 0.0000
2019-02-12 2018-12-31 13F ALPHA PRO TECH COM 020772109 15,091 0 0.00 56 3.70 0.0000
2018-11-14 2018-09-30 13F ALPHA PRO TECH COM 020772109 15,091 0 0.00 54 5.88 0.0000
2018-09-18 2018-06-30 13F/A-1 ALPHA PRO TECH COM 020772109 15,091 0 0.00 51 0.00 0.0000
2018-08-14 2018-06-30 13F ALPHA PRO TECH COM 020772109 15,091 0 51
2018-05-09 2018-03-31 13F ALPHA PRO TECH COM 020772109 15,091 2,395 18.86 51 0.00 0.0000
2018-02-14 2017-12-31 13F ALPHA PRO TECH COM 020772109 12,696 -16,077 -55.88 51 -54.05 0.0000
2017-11-13 2017-09-30 13F ALPHA PRO TECH COM 020772109 28,773 0 0.00 111 30.59 0.0000
2017-08-11 2017-06-30 13F ALPHA PRO TECH COM 020772109 28,773 0 0.00 85 6.25 0.0000
2017-05-12 2017-03-31 13F ALPHA PRO TECH COM 020772109 28,773 6,560 29.53 80 2.56 0.0000
2017-02-13 2016-12-31 13F ALPHA PRO TECH COM 020772109 22,213 3,019 15.73 78 13.04 0.0000
2016-11-09 2016-09-30 13F ALPHA PRO TECH COM 020772109 19,194 0 0.00 69 60.47 0.0000
2016-08-12 2016-06-30 13F ALPHA PRO TECH COM 020772109 19,194 0 0.00 43 22.86 0.0000
2016-08-19 2016-03-31 13F/A-1 ALPHA PRO TECH COM 020772109 19,194 0 0.00 35 2.94 0.0000
2016-05-13 2016-03-31 13F ALPHA PRO TECH COM 020772109 19,194 35
2016-02-12 2015-12-31 13F ALPHA PRO TECH COM 020772109 19,194 0 0.00 34 -10.53 0.0000
2015-11-12 2015-09-30 13F ALPHA PRO TECH COM 020772109 19,194 3,729 24.11 38 8.57 0.0000
2015-08-13 2015-06-30 13F ALPHA PRO TECH COM 020772109 15,465 0 0.00 35 0.00 0.0000
2015-05-14 2015-03-31 13F ALPHA PRO TECH COM 020772109 15,465 0 0.00 35 -12.50 0.0000
2015-02-12 2014-12-31 13F ALPHA PRO TECH COM 020772109 15,465 -10,040 -39.36 40 -51.81 0.0000
2014-11-13 2014-09-30 13F ALPHA PRO TECH COM 020772109 25,505 0 0.00 83 53.70 0.0000
2014-08-14 2014-06-30 13F ALPHA PRO TECH COM 020772109 25,505 0 0.00 54 -5.26 0.0000
2014-05-14 2014-03-31 13F ALPHA PRO TECH COM 020772109 25,505 0 0.00 57 3.64 0.0000
2014-02-21 2013-12-31 13F/A-1 ALPHA PRO TECH COM 020772109 25,505 505 2.02 55 44.74 0.0000
2014-02-12 2013-12-31 13F ALPHA PRO TECH COM 020772109 25,505 55
2013-11-13 2013-09-30 13F ALPHA PRO TECH COM 020772109 25,000 0 0.00 38 -5.00 0.0000
2013-08-09 2013-06-30 13F ALPHA PRO TECH COM 020772109 25,000 25,000 40 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.