- Type / Class
- Equity / Common Stock
- Shares outstanding
- 84,758,681
- Total 13F shares
- 75,771,108
- Share change
- +155,605
- Total reported value
- $644,826,745
- Price per share
- $8.51
- Number of holders
- 184
- Value change
- +$2,553,553
- Number of buys
- 90
- Number of sells
- 97
Quarterly Holders Quick Answers
What is CUSIP 651718504?
CUSIP 651718504 identifies NPKI - NPK International Inc. - Common Stock in SEC institutional holdings data.
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Open the full security ownership history page.
Related Filing Research
- Latest 13F filings for newly reported positions.
- Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
- Latest 10-Q/10-K reports for financial context tied to this issuer.
- Recent insider transactions for executive and insider activity.
- SEC investors directory and top value investors for manager drilldown.
- Back to full security ownership history.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 651718504:
Top shareholders of NPKI - NPK International Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
8.2%
|
6,924,001
|
$40,228,446 | — | 31 Mar 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
7.9%
|
6,696,796
|
$38,908,385 | — | 31 Mar 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
7%
|
5,957,792
|
$34,614,743 | — | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
6.4%
|
5,437,273
|
$31,590,556 | — | 31 Mar 2025 | |
| Conversant Capital LLC |
13F
|
Company |
4.9%
|
4,178,633
|
$24,277,858 | — | 31 Mar 2025 | |
| WASATCH ADVISORS LP |
13F
|
Company |
4.1%
|
3,438,518
|
$19,977,790 | — | 31 Mar 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
3.2%
|
2,747,740
|
$15,964,369 | — | 31 Mar 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
3.1%
|
2,650,863
|
$15,401,514 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.8%
|
2,392,784
|
$13,905,355 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.6%
|
2,233,845
|
$12,978,639 | — | 31 Mar 2025 | |
| ArrowMark Colorado Holdings LLC |
13F
|
Company |
2.5%
|
2,126,142
|
$12,352,885 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
2.5%
|
2,076,998
|
$12,067,359 | — | 31 Mar 2025 | |
| Ancora Advisors LLC |
13F
|
Company |
1.6%
|
1,395,550
|
$8,108,146 | — | 31 Mar 2025 | |
| LOOMIS SAYLES & CO L P |
13F
|
Company |
1.5%
|
1,242,785
|
$7,221,000 | — | 31 Mar 2025 | |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
13F
|
Company |
1.4%
|
1,207,100
|
$7,013,251 | — | 31 Mar 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
1.4%
|
1,158,825
|
$6,732,768 | — | 31 Mar 2025 | |
| Pennant Select, LLC |
13F
|
Company |
1.3%
|
1,094,952
|
$6,361,671 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.3%
|
1,079,077
|
$6,269,437 | — | 31 Mar 2025 | |
| Tieton Capital Management, LLC |
13F
|
Company |
1.2%
|
990,085
|
$5,752,000 | — | 31 Mar 2025 | |
| Roubaix Capital, LLC |
13F
|
Company |
1.1%
|
917,775
|
$5,332,273 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1%
|
859,148
|
$4,991,650 | — | 31 Mar 2025 | |
| Paul L. Howes |
3/4/5
|
President & CEO, Director |
—
class O/S missing
|
1,261,325
|
$4,813,847 | — | 26 Aug 2021 | |
| SILVERCREST ASSET MANAGEMENT GROUP LLC |
13F
|
Company |
0.96%
|
810,515
|
$4,709,092 | — | 31 Mar 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.96%
|
809,935
|
$4,705,722 | — | 31 Mar 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.95%
|
809,000
|
$4,700,290 | — | 31 Mar 2025 | |
| Granahan Investment Management, LLC |
13F
|
Company |
0.92%
|
776,430
|
$4,511,058 | — | 31 Mar 2025 | |
| Uniplan Investment Counsel, Inc. |
13F
|
Company |
0.85%
|
716,439
|
$4,162,515 | — | 31 Mar 2025 | |
| RICE HALL JAMES & ASSOCIATES, LLC |
13F
|
Company |
0.82%
|
691,282
|
$4,016,348 | — | 31 Mar 2025 | |
| David Andrew Paterson |
3/4/5
|
VP & President, Fluids Systems, VP & President, Fluids Systems |
—
mixed-class rows
|
461,160
mixed-class rows
|
$3,910,637 | — | 01 Jun 2024 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.76%
|
648,311
|
$3,766,687 | — | 31 Mar 2025 | |
| First Eagle Investment Management, LLC |
13F
|
Company |
0.74%
|
627,105
|
$3,643,480 | — | 31 Mar 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.7%
|
593,229
|
$3,446,660 | — | 31 Mar 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.68%
|
575,591
|
$3,344,184 | — | 31 Mar 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.67%
|
570,073
|
$3,312,124 | — | 31 Mar 2025 | |
| HARBOR CAPITAL ADVISORS, INC. |
13F
|
Company |
0.56%
|
474,365
|
$2,756,000 | — | 31 Mar 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.55%
|
468,612
|
$2,722,636 | — | 31 Mar 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.55%
|
463,727
|
$2,694,254 | — | 31 Mar 2025 | |
| PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE |
13F
|
Company |
0.5%
|
425,000
|
$2,469,250 | — | 31 Mar 2025 | |
| MARATHON CAPITAL MANAGEMENT |
13F
|
Company |
0.49%
|
413,875
|
$2,404,614 | — | 31 Mar 2025 | |
| Douglas L. White |
3/4/5
|
VP, CAO & Treasurer |
—
mixed-class rows
|
319,911
mixed-class rows
|
$2,383,178 | — | 14 Jun 2025 | |
| Empowered Funds, LLC |
13F
|
Company |
0.47%
|
398,311
|
$2,314,187 | — | 31 Mar 2025 | |
| Donald W. Young |
3/4/5
|
Director |
0.37%
|
310,940
|
$1,787,905 | — | 15 May 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.35%
|
299,084
|
$1,737,678 | — | 31 Mar 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.33%
|
277,895
|
$1,614,570 | — | 31 Mar 2025 | |
| 1492 Capital Management LLC |
13F
|
Company |
0.32%
|
273,165
|
$1,587,089 | — | 31 Mar 2025 | |
| Skylands Capital, LLC |
13F
|
Company |
0.32%
|
271,458
|
$1,577,171 | — | 31 Mar 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.32%
|
269,879
|
$1,567,997 | — | 31 Mar 2025 | |
| UBS Group AG |
13F
|
Company |
0.29%
|
249,905
|
$1,451,948 | — | 31 Mar 2025 | |
| Roderick A. Larson |
3/4/5
|
Director |
0.29%
|
248,748
|
$1,430,300 | — | 15 May 2025 | |
| John C. Minge |
3/4/5
|
Director |
0.29%
|
245,384
|
$1,410,958 | — | 15 May 2025 |
Institutional Holders of NPK International Inc. - Common Stock (NPKI) as of Q2 2025
As of 30 Jun 2025,
NPK International Inc. - Common Stock (NPKI) was held by
184 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
75,771,108 shares.
The largest 10 holders included
BlackRock, Inc., AMERIPRISE FINANCIAL INC, DIMENSIONAL FUND ADVISORS LP, VANGUARD GROUP INC, WASATCH ADVISORS LP, Conversant Capital LLC, AMERICAN CENTURY COMPANIES INC, ROYCE & ASSOCIATES LP, GEODE CAPITAL MANAGEMENT, LLC, and STATE STREET CORP.
This page lists
184
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
171
Q2 2025 holders
184
Holder diff
13
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.