Position in ATI
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,222,611
+$127,227 QoQ
Shares Held
6,203
-35.0% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#378
of 787 holders
Holding Since
Mar 2020
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATI Over Time
Shares Held
Position Value (USD)
Position in Metal Fabrication
Industrials · as of Jun 30, 2026SIMPLEX TRADING, LLC holds $2,208,114 across 8 Metal Fabrication names. ATI ranks #1 (55.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATI |
Ati Inc
This page
|
6,203 | $1,222,611 | |
| 2 | IIIN |
Insteel Industries Inc
|
19,057 | $575,521 | |
| 3 | GPGI |
GPGI, Inc.
|
10,763 | $170,593 | |
| 4 | WOR |
Worthington Enterprises, Inc.
|
2,608 | $140,206 | |
| 5 | MEC |
Mayville Engineering Company, Inc.
|
1,529 | $57,276 | |
| 6 | CMC |
COMMERCIAL METALS Co
|
388 | $24,347 | |
| 7 | PRLB |
Proto Labs Inc
|
176 | $14,345 | |
| 8 | TG |
Tredegar Corp
|
404 | $3,215 |
All Filings in ATI
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,222,611 | 6,203 | Shares | Sole | 2026-08-12 | |
| 2025-12-31 | $1,095,384 | 9,545 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $403,446 | 4,960 | Shares | Sole | 2025-11-12 | |
| 2025-03-31 | $597,720 | 11,488 | Shares | Sole | 2025-05-12 | |
| 2022-06-30 | $1,364,939 | 60,103 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $1,158,602 | 43,167 | Shares | Sole | 2022-05-02 | |
| 2020-03-31 | $20,544 | 2,417 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||