Ownership history in Boston Partners · 56 quarters on record
This page tracks every 13F SEC filing in which Boston Partners reported a position in AMERISOURCEBERGEN CORP COM (COR). 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 | REDUCED | 4,196,536 | -312,629 | -6.9% | 1.47% | $1.42B | $337.17 |
| 2025 Q3 | ADDED | 4,509,165 | +96,120 | +2.2% | 1.45% | $1.41B | $311.48 |
| 2025 Q2 | REDUCED | 4,413,045 | -998,148 | -18.4% | 1.48% | $1.32B | $298.29 |
| 2025 Q1 | ADDED | 5,411,193 | +404,093 | +8.1% | 1.82% | $1.51B | $276.11 |
As of 2025 Q4 — sorted by position size