Position in MAS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$5,339,092
+$783,874 QoQ
Shares Held
65,615
-13.0% QoQ
Ownership
0.033%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#194
of 912 holders
Holding Since
Jun 2020
13 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MAS Over Time
Shares Held
Position Value (USD)
Derivatives in MAS
reported options exposure · as of Sep 30, 2025CallValue
$2,273,597
CallShares
32,300
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Building Products & Equipment
Industrials · as of Jun 30, 2026Hudson Bay Capital Management LP holds $73,311,895 across 10 Building Products & Equipment names. MAS ranks #5 (7.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | JCI |
Johnson Controls International plc
|
196,219 | $28,669,558 | |
| 2 | MAIR |
Madison Air Solutions Corp
|
401,740 | $15,667,860 | |
| 3 | LII |
Lennox International Inc
|
10,640 | $6,096,188 | |
| 4 | LPX |
Louisiana-Pacific Corp
|
72,045 | $5,667,059 | |
| 5 | MAS |
Masco Corp /De/
This page
|
65,615 | $5,339,092 | |
| 6 | OC |
Owens Corning
|
27,384 | $4,352,960 | |
| 7 | FBIN |
Fortune Brands Innovations, Inc.
|
55,279 | $3,034,817 | |
| 8 | SPXC |
SPX Technologies, Inc.
|
10,310 | $2,527,702 |
All Filings in MAS
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,339,092 | 65,615 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $4,555,218 | 75,455 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $6,762,868 | 106,569 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $7,914,792 | 112,442 | Shares | Sole | 2025-12-15 | |
| 2025-09-30 | $2,273,597 | 32,300 | Call | Sole | 2025-12-15 | |
| 2025-06-30 | $4,558,683 | 70,831 | Shares | Sole | 2025-08-18 | |
| 2025-06-30 | $7,748,944 | 120,400 | Call | Sole | 2025-08-18 | |
| 2025-03-31 | $10,584,892 | 152,213 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $8,463,018 | 121,700 | Put | Sole | 2025-05-14 | |
| 2025-03-31 | $8,372,616 | 120,400 | Call | Sole | 2025-05-14 | |
| 2024-12-31 | $4,484,753 | 61,799 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $1,001,466 | 13,800 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $1,015,980 | 14,000 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $1,158,372 | 13,800 | Put | Sole | 2024-11-13 | |
| 2024-09-30 | $9,569,160 | 114,000 | Shares | Sole | 2024-11-13 | |
| 2024-09-30 | $1,175,160 | 14,000 | Call | Sole | 2024-11-13 | |
| 2024-06-30 | $8,333,750 | 125,000 | Shares | Sole | 2024-08-14 | |
| 2023-09-30 | $1,069,000 | 20,000 | Shares | Sole | 2023-11-14 | |
| 2022-09-30 | $1,867,600 | 40,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $4,048,000 | 80,000 | Shares | Sole | 2022-08-12 | |
| 2020-06-30 | $251,050 | 5,000 | Shares | Sole | 2020-08-12 | |
| No filing history on record for this holder in this stock. | ||||||