Position in ATI
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$21,091,700
-$16,205,300 QoQ
Shares Held
145,000
-55.4% QoQ
Ownership
0.106%
of shares outstanding
% of Portfolio
1.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2024
9 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ATI Over Time
Shares Held
Position Value (USD)
Position in Metal Fabrication
Industrials · as of Mar 31, 2026Senator Investment Group LP holds $21,091,700 across 1 Metal Fabrication name. ATI ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATI |
Ati Inc
This page
|
145,000 | $21,091,700 |
All Filings in ATI
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9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $21,091,700 | 145,000 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $37,297,000 | 325,000 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $26,435,500 | 325,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $64,755,000 | 750,000 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $63,086,375 | 1,212,500 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $39,549,322 | 718,556 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $46,167,900 | 690,000 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $49,413,602 | 891,138 | Shares | Sole | 2024-08-20 | |
| 2024-03-31 | $17,039,610 | 333,000 | Shares | Sole | 2024-05-14 | |
| No filing history on record for this holder in this stock. | ||||||