NPK International
NPKI · NYSE
$10.91−$0.04 (−0.37%)TodayMarket closed ·
Prev close $10.95
Who owns NPKI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 39.1% of NPKI’s shares.
- BlackRock Institutional Trust Company, N.A.7.8%
- Columbia Threadneedle Investments (UK)5.0%
- Dimensional Fund Advisors, L.P.4.3%
- Vanguard Capital Management, LLC4.2%
- Next 6 largest institutions17.8%
- All other shareholders60.9%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 6.62M | 7.80% |
| Columbia Threadneedle Investments (UK) | 4.24M | 4.99% |
| Dimensional Fund Advisors, L.P. | 3.64M | 4.29% |
| Vanguard Capital Management, LLC | 3.60M | 4.25% |
| American Century Investment Management, Inc. | 3.13M | 3.68% |
| Wasatch Global Investors Inc | 2.81M | 3.31% |
| Emerald Advisers LLC | 2.65M | 3.12% |
| Geode Capital Management, L.L.C. | 2.37M | 2.79% |
| Royce Investment Partners | 2.15M | 2.53% |
| State Street Investment Management (US) | 2.01M | 2.37% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 2.55M | 3.01% |
| CT (Lux) American Smaller Companies | 2.40M | 2.82% |
| iShares Russell 2000 ETF | 2.13M | 2.51% |
| Avantis US Small Cap Value ETF | 2.08M | 2.45% |
| CT American Smaller Companies Fund (US) | 1.48M | 1.74% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $2.93M (7 trades) of NPKI on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Barton III Alvin James | Award | 12.85K | — |
| Warren Matthew James | Sale | 2.99K | $40.11K |
| ROBESON ROSE M | Sale | 10.00K | $134.92K |
| Lewis Michael A | Sale | 2.01K | $28.71K |
| Pederson Kristen J. | Award | 6.61K | — |
| Briggs Lori | Sale | 8.32K | $122.79K |
| LANIGAN MATTHEW | Sale | 167.38K | $2.42M |
| Briggs Lori | Sale | 10.45K | $152.28K |
| Fruge Mary Celeste | Option exercise | 17.27K | — |
| Fruge Mary Celeste | Option exercise | 17.27K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.46M
- Days to cover
- 2.80
- % of shares outstanding
- 2.90%
- Average daily volume
- 879.05K
- Change since last report
- −11.4%
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