Ownership — NPK
US Institutional Ownership100.0%
| Institution | Shares | Value | Ownership % | Change | Filing Date |
|---|
| 977.7K | $122.0M | -- | +62.5K | 2026-06-30 |
| 466.1K | $58.0M | -- | +71.6K | 2026-06-30 |
| 315.8K | $39.0M | -- | +1.5K | 2026-06-30 |
| 224.9K | $28.0M | -- | +11.0K | 2026-06-30 |
| 173.6K | $21.0M | -- | +34.9K | 2026-06-30 |
| 161.8K | $20.0M | -- | +14.1K | 2026-06-30 |
| 150.9K | $18.0M | -- | +23.6K | 2026-06-30 |
| 123.8K | $15.0M | -- | -24.5K | 2026-06-30 |
| 123.2K | $15.0M | -- | -4.4K | 2026-06-30 |
| 104.6K | $13.0M | -- | +7.5K | 2026-06-30 |
| 80.2K | $10.0M | -- | +10.3K | 2026-06-30 |
| 74.6K | $9.0M | -- | +36.4K | 2026-06-30 |
| 66.7K | $8.0M | -- | +7.0K | 2026-06-30 |
| 64.7K | $8.0M | -- | +42.2K | 2026-06-30 |
| 60.1K | $7.0M | -- | +142 | 2026-06-30 |
| 52.8K | $6.0M | -- | +4.6K | 2026-06-30 |
| 51.6K | $6.0M | -- | -- | 2026-06-30 |
| 51.6K | $6.0M | -- | +1.4K | 2026-06-30 |
| 44.1K | $5.0M | -- | +35.2K | 2026-06-30 |
| 38.5K | $4.0M | -- | +13.2K | 2026-06-30 |
| 36.6K | $4.0M | -- | -- | 2026-06-30 |
| 36.5K | $4.0M | -- | -20.0K | 2026-06-30 |
| 35.9K | $4.0M | -- | +1.2K | 2026-06-30 |
| 32.3K | $4.0M | -- | -- | 2026-06-30 |
| 30.4K | $3.0M | -- | +1.9K | 2026-06-30 |
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