# NPK INTERNATIONAL INC (NPKI) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 651718504
Page URL: https://superinvestorclub.com/stock/NPKI
Last updated: 2026-07-27T01:06:22.700Z

## Summary

As of the most recent 13F filing period, NPK INTERNATIONAL INC (NPKI) is held by 1 tracked superinvestors with an aggregate position value of $4.0M representing 0273821 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [First Eagle](https://superinvestorclub.com/manager/21222) | First Eagle Investment Management | 273821 | $4.0M | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2023-06-30: 1 holders, $951,248 aggregate, 0181883 shares
- 2023-09-30: 1 holders, $883,326 aggregate, 0127833 shares
- 2024-12-31: 1 holders, $2.5M aggregate, 0321591 shares
- 2025-03-31: 1 holders, $3.6M aggregate, 0627105 shares
- 2025-06-30: 1 holders, $3.5M aggregate, 0417121 shares
- 2025-09-30: 1 holders, $3.1M aggregate, 0272121 shares
- 2025-12-31: 1 holders, $3.2M aggregate, 0265321 shares
- 2026-03-31: 1 holders, $4.0M aggregate, 0273821 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "NPK INTERNATIONAL INC (NPKI) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/NPKI), aggregating SEC 13F, Form 4, and congressional disclosures."