Position in MAS
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$152,373
-$83,888 QoQ
Shares Held
2,524
-32.2% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
7 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MAS Over Time
Shares Held
Position Value (USD)
Position in Building Products & Equipment
Industrials · as of Mar 31, 2026GROUP ONE TRADING LLC holds $5,231,443 across 11 Building Products & Equipment names. MAS ranks #4 (2.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CARR |
CARRIER GLOBAL Corp
|
41,801 | $2,353,814 | |
| 2 | BLDR |
Builders FirstSource, Inc.
|
24,561 | $2,022,107 | |
| 3 | APT |
Alpha Pro Tech Ltd
|
113,071 | $502,035 | |
| 4 | MAS |
Masco Corp /De/
This page
|
2,524 | $152,373 | |
| 5 | TREX |
Trex Co Inc
|
2,395 | $87,225 | |
| 6 | LMB |
Limbach Holdings, Inc.
|
673 | $52,527 | |
| 7 | LPX |
Louisiana-Pacific Corp
|
404 | $29,391 | |
| 8 | NPKI |
NPK International Inc.
|
993 | $14,388 |
All Filings in MAS
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $152,373 | 2,524 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $236,261 | 3,723 | Shares | Sole | 2026-02-12 | |
| 2024-06-30 | $171,208 | 2,568 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $166,200 | 2,107 | Shares | Sole | 2024-05-10 | |
| 2021-12-31 | $498,281 | 7,096 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,787,932 | 32,186 | Shares | Sole | 2021-11-12 | |
| 2020-12-31 | $195,825 | 3,565 | Shares | Sole | 2021-02-10 | |
| No filing history on record for this holder in this stock. | ||||||