Position in ATI
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$139,852,697
+$61,816,608 QoQ
Shares Held
709,552
+32.3% QoQ
Ownership
0.521%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#40
of 792 holders
Holding Since
Mar 2020
17 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in ATI Over Time
Shares Held
Position Value (USD)
Derivatives in ATI
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$29,092
PutShares
200
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, 2026MARSHALL WACE, LLP holds $157,336,879 across 9 Metal Fabrication names. ATI ranks #1 (88.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATI |
Ati Inc
This page
|
709,552 | $139,852,697 | |
| 2 | MLI |
Mueller Industries Inc
|
129,052 | $7,932,179 | |
| 3 | ESAB |
ESAB Corp
|
46,555 | $4,591,719 | |
| 4 | PRLB |
Proto Labs Inc
|
16,921 | $1,379,230 | |
| 5 | GPGI |
GPGI, Inc.
|
61,863 | $980,528 | |
| 6 | TG |
Tredegar Corp
|
104,968 | $835,544 | |
| 7 | CRS |
Carpenter Technology Corp
|
1,240 | $764,881 | |
| 8 | AP |
Ampco Pittsburgh Corp
|
80,361 | $695,122 |
All Filings in ATI
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $139,852,697 | 709,552 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $78,036,089 | 536,478 | Shares | Other | 2026-05-15 | |
| 2026-03-31 | $29,092 | 200 | Put | Other | 2026-05-15 | |
| 2025-12-31 | $72,101,985 | 628,285 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $8,134 | 100 | Put | Other | 2025-11-13 | |
| 2025-09-30 | $41,803,797 | 513,939 | Shares | Other | 2025-11-13 | |
| 2025-09-30 | $8,134 | 100 | Call | Other | 2025-11-13 | |
| 2025-06-30 | $22,395,904 | 259,392 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $31,664,624 | 608,584 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $38,476,867 | 699,071 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $55,011,796 | 822,176 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $2,850,573 | 51,408 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $513,797 | 10,041 | Shares | Other | 2024-05-15 | |
| 2023-06-30 | $959,126 | 21,685 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $3,738,164 | 94,733 | Shares | Other | 2023-05-15 | |
| 2021-12-31 | $2,801,146 | 175,841 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $1,571,917 | 94,523 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $706,752 | 33,897 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $282,983 | 13,437 | Shares | Sole | 2021-05-17 | |
| 2020-03-31 | $2,275,747 | 267,735 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||