Ownership history in Cornerstone Planning Group LLC · 2 quarters on record
This page tracks every 13F SEC filing in which Cornerstone Planning Group LLC reported a position in ATI INC COM (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 Q3 | REDUCED | 1 | -5 | -83.3% | 0.00% | $101 | $81.34 |
| 2024 Q4 | INITIATED | 6 | — | — | 0.00% | $338 | $55.04 |
As of 2025 Q4 — sorted by position size