NPK International Inc. (NPKI)
Who owns NPK International Inc. (NPKI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.0% of the shares are freely tradable; institutional investors hold 92.9%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.53 | 7,202,705 | +4.1 | 03/31/2026 |
| Ameriprise Financial Inc | 6.66 | 5,623,552 | +8.9 | 03/31/2026 |
| Vanguard Group Inc | 5.57 | 4,706,012 | -0.9 | 12/31/2025 |
| Dimensional Fund Advisors, Inc. | 4.72 | 3,983,658 | -10.8 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.06 | 3,424,942 | +0.0 | 03/31/2026 |
| American Century Companies Inc | 3.60 | 3,043,763 | -0.9 | 03/31/2026 |
| Wasatch Advisors LP | 3.43 | 2,899,021 | +30.8 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| CT (Lux) American Smaller Com 9U USD | 3.87 | 3,271,788 | -4.9 | 04/30/2026 |
| Avantis US Small Cap Value ETF | 3.07 | 2,589,415 | +0.0 | 05/30/2026 |
| Vanguard Total Stock Mkt Idx Inv | 2.84 | 2,402,245 | +0.0 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 28. Jul 2026 | Pederson Kristen J. | Director | Other | 6,614 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.