Quaker Chemical CORP Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NYSE
Vanguard Portfolio Management has reported beneficial ownership of 934,704 shares, representing 5.39% of Quaker Chemical Corp's common stock, as of March 31, 2026.
NYSE
The Vanguard Group has filed an amended Schedule 13G, reporting a 0% beneficial ownership in Quaker Chemical Corp common stock following an internal realignment.
NYSE
BlackRock, Inc. has filed an amended Schedule 13G, revealing its beneficial ownership of 11.5% of Quaker Chemical Corp's common stock as of March 31, 2025.