Npk International INC Schedule 13G passive stakes
Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.
Vanguard Capital Management has disclosed a beneficial ownership of 5.01% in NPK International Inc. common stock as of June 30, 2026.
The Vanguard Group filed an amended Schedule 13G for NPK International Inc., reporting 0% beneficial ownership following an internal realignment.
Ameriprise Financial and its affiliates have updated their beneficial ownership in NPK International Inc. common stock, reporting a 6.2% stake.
Dimensional Fund Advisors LP has reported a 5.7% beneficial ownership stake in NPK International Inc. common stock as of September 30, 2025.
SCHEDULE 13G/A: Ameriprise Financial and Affiliates Disclose Significant Stake in NPK International Inc.
Ameriprise Financial, Inc. and its affiliated entities have filed an amended Schedule 13G, reporting beneficial ownership of 7.7% of NPK International Inc.'s common stock as of March 31, 2025.