Ownership history in MARSHALL WACE, LLP · 20 quarters on record
This page tracks every 13F SEC filing in which MARSHALL WACE, LLP reported a position in ALLEGHENY TECH (ATI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | ADDED | 628,285 | +628,185 | +628185.0% | 0.07% | $72.1M | $114.76 |
| 2025 Q3 | REDUCED | 100 | -513,839 | -100.0% | 0.00% | $8K | $81.34 |
| 2025 Q3 | ADDED | 513,939 | +513,839 | +513839.0% | 0.04% | $41.8M | $81.34 |
| 2025 Q3 | REDUCED | 100 | -259,292 | -100.0% | 0.00% | $8K | $81.34 |
| 2025 Q2 | REDUCED | 259,392 | -349,192 | -57.4% | 0.03% | $22.4M | $86.34 |
| 2025 Q1 | REDUCED | 608,584 | -90,487 | -12.9% | 0.04% | $31.7M | $52.03 |
| 2024 Q4 | REDUCED | 699,071 | -123,105 | -15.0% | 0.05% | $38.5M | $55.04 |
| 2024 Q3 | ADDED | 822,176 | +770,768 | +1499.3% | 0.07% | $55.0M | $66.91 |
| 2024 Q2 | ADDED | 51,408 | +41,367 | +412.0% | 0.00% | $2.9M | $55.45 |
| 2024 Q1 | REDUCED | 10,041 | -11,644 | -53.7% | 0.00% | $514K | $51.17 |
As of 2025 Q4 — sorted by position size