Stocktoria
NPK International Inc. NPKI
NPK International Inc. institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 6,611,891 | $54.9M | 7.34% |
| MILLENNIUM MANAGEMENT LLC | 1,049,928 | $16.7M | 1.16% |
| TWO SIGMA INVESTMENTS, LP | 559,499 | $8.9M | 0.62% |
| CITADEL ADVISORS LLC | 375,803 | $6.0M | 0.42% |
| D. E. Shaw & Co., Inc. | 327,606 | $5.2M | 0.36% |
| AQR CAPITAL MANAGEMENT LLC | 306,058 | $4.9M | 0.34% |
| RENAISSANCE TECHNOLOGIES LLC | 225,367 | $3.6M | 0.25% |
| Point72 Asset Management, L.P. | 60,425 | $961,362 | 0.07% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.