Position in ATI
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,595,918
-$583,072 QoQ
Shares Held
8,097
-45.9% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#353
of 787 holders
Holding Since
Jun 2023
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATI Over Time
Shares Held
Position Value (USD)
Derivatives in ATI
reported options exposure · as of Jun 30, 2026CallValue
$0
CallShares
0
PutValue
$394,200
PutShares
2,000
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 Metal Fabrication
Industrials · as of Jun 30, 2026Twin Tree Management, LP holds $1,597,761 across 2 Metal Fabrication names. ATI ranks #1 (99.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATI |
Ati Inc
This page
|
8,097 | $1,595,918 | |
| 2 | MLI |
Mueller Industries Inc
|
30 | $1,843 |
All Filings in ATI
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,595,918 | 8,097 | Shares | Sole | 2026-08-12 | |
| 2026-06-30 | $394,200 | 2,000 | Put | Sole | 2026-08-12 | |
| 2026-03-31 | $1,061,858 | 7,300 | Put | Sole | 2026-05-14 | |
| 2026-03-31 | $2,178,990 | 14,980 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $26,635,796 | 232,100 | Call | Sole | 2026-02-11 | |
| 2025-12-31 | $12,990,832 | 113,200 | Put | Sole | 2026-02-11 | |
| 2025-09-30 | $21,595,770 | 265,500 | Put | Sole | 2025-11-13 | |
| 2025-09-30 | $31,942,218 | 392,700 | Call | Sole | 2025-11-13 | |
| 2025-06-30 | $5,594,832 | 64,800 | Call | Sole | 2025-07-28 | |
| 2025-06-30 | $18,589,002 | 215,300 | Put | Sole | 2025-07-28 | |
| 2025-03-31 | $276,227 | 5,309 | Shares | Sole | 2025-05-15 | |
| 2024-09-30 | $732,731 | 10,951 | Shares | Sole | 2024-11-13 | |
| 2023-12-31 | $1,486,141 | 32,684 | Shares | Sole | 2024-02-14 | |
| 2023-06-30 | $31,226 | 706 | Shares | Sole | 2023-08-11 | |
| No filing history on record for this holder in this stock. | ||||||