ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Position in APT — Alpha Pro Tech Ltd
CIK 1164508
BOSTON, MA
Position in APT
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$327,696
+$68,805 QoQ
Shares Held
58,309
0.0% QoQ
Ownership
0.571%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#10
of 41 holders
Holding Since
Jun 2020
13 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in APT Over Time
Shares Held
Position Value (USD)
Position in Building Products & Equipment
Industrials · as of Jun 30, 2026ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $682,407,570 across 16 Building Products & Equipment names. APT ranks #16 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | OC |
Owens Corning
|
957,875 | $152,263,810 | |
| 2 | MAS |
Masco Corp /De/
|
1,276,438 | $103,863,760 | |
| 3 | TT |
Trane Technologies plc
|
196,490 | $96,508,028 | |
| 4 | TREX |
Trex Co Inc
|
1,766,003 | $88,370,790 | |
| 5 | BLDR |
Builders FirstSource, Inc.
|
915,658 | $81,933,077 | |
| 6 | AWI |
Armstrong World Industries Inc
|
453,190 | $72,700,739 | |
| 7 | WMS |
Advanced Drainage Systems, Inc.
|
225,799 | $35,441,411 | |
| 8 | NPKI |
NPK International Inc.
|
1,134,552 | $18,050,722 |
All Filings in APT
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $327,696 | 58,309 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $258,891 | 58,309 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $258,891 | 58,309 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $279,300 | 58,309 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $273,469 | 58,309 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $291,545 | 58,309 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $321,266 | 60,731 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $363,671 | 63,802 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $376,750 | 68,500 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $478,345 | 76,658 | Shares | Defined | 2024-05-15 | |
| 2020-12-31 | $3,536,523 | 317,177 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $4,996,497 | 338,058 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $569,940 | 32,200 | Shares | Defined | 2020-08-12 | |
| No filing history on record for this holder in this stock. | ||||||