NPK International Inc.
DE ˙ DB ˙ US6517185046
12,40 € 0,00 (0,00%)
2026-06-04
DEL PRIS
SecurityDE:NWP / NPK International Inc.
InstitutionState Street Corp
Latest Disclosed Ownership1,955,319 shares
Latest Disclosed Value $ 28,332,572
State Street Corp reports 1.10% decrease in ownership of NWP / NPK International Inc.

On May 15, 2026 - State Street Corp filed a 13F-HR form disclosing ownership of 1,955,319 shares of NPK International Inc. (DE:NWP) valued at $24,245,956 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 1,977,000 shares of NPK International Inc.. This represents a change in shares of -1.10% during the quarter. The current value of the position is $24,245,956 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F NPK INTERNATIONAL COM SHS 651718504 1,955,319 -21,681 -1.10 28,333 20.23 0.0010
2026-02-13 2025-12-31 13F NPK INTERNATIONAL COM SHS 651718504 1,977,000 -54,279 -2.67 23,566 2.58 0.0008
2025-11-14 2025-09-30 13F NPK INTERNATIONAL COM SHS 651718504 2,031,279 -30,035 -1.46 22,974 30.97 0.0008
2025-08-14 2025-06-30 13F NPK INTERNATIONAL COM SHS 651718504 2,061,314 -172,531 -7.72 17,542 35.16 0.0007
2025-05-15 2025-03-31 13F NPK INTERNATIONAL COM SHS 651718504 2,233,845 -161,450 -6.74 12,979 -29.36 0.0005
2025-02-14 2024-12-31 13F NPK INTERNATIONAL COM SHS 651718504 2,395,295 120,835 5.31 18,372 16.55 0.0007
2024-11-14 2024-09-30 13F NEWPARK RES COM PAR $.01NEW 651718504 2,274,460 69,802 3.17 15,762 -13.96 0.0006
2024-08-14 2024-06-30 13F NEWPARK RES COM PAR $.01NEW 651718504 2,204,658 -103,500 -4.48 18,321 9.94 0.0008
2024-05-15 2024-03-31 13F NEWPARK RES COM PAR $.01NEW 651718504 2,308,158 56,123 2.49 16,665 11.44 0.0007
2024-02-14 2023-12-31 13F NEWPARK RES COM PAR $.01NEW 651718504 2,252,035 571,357 34.00 14,954 28.76 0.0007
2023-11-14 2023-09-30 13F NEWPARK RES COM PAR $.01NEW 651718504 1,680,678 -68,446 -3.91 11,613 26.96 0.0006
2023-08-14 2023-06-30 13F NEWPARK RES COM PAR $.01NEW 651718504 1,749,124 -105,092 -5.67 9,148 28.15 0.0005
2023-05-15 2023-03-31 13F NEWPARK RES COM PAR $.01NEW 651718504 1,854,216 72,046 4.04 7,139 -3.49 0.0004
2023-05-15 2022-12-31 13F/A-99 NEWPARK RES COM PAR $.01NEW 651718504 1,782,170 28,821 1.64 7,396 67.41 0.0004
2023-05-15 2022-12-31 13F NEWPARK RES COM PAR $.01NEW 651718504 1,782,170 28,821 7,396 0.0004
2022-11-15 2022-09-30 13F NEWPARK RES COM PAR $.01NEW 651718504 1,753,349 -212,359 -10.80 4,418 -27.26 0.0003
2022-08-15 2022-06-30 13F NEWPARK RES COM PAR $.01NEW 651718504 1,965,708 -210,750 -9.68 6,074 -23.75 0.0004
2022-05-16 2022-03-31 13F NEWPARK RES COM PAR $.01NEW 651718504 2,176,458 465,650 27.22 7,966 58.37 0.0004
2022-02-14 2021-12-31 13F NEWPARK RES COM PAR $.01NEW 651718504 1,710,808 -12,994 -0.75 5,030 -11.58 0.0002
2021-11-15 2021-09-30 13F NEWPARK RES COM PAR $.01NEW 651718504 1,723,802 -30,226 -1.72 5,689 -6.26 0.0003
2021-08-16 2021-06-30 13F NEWPARK RES COM PAR $.01NEW 651718504 1,754,028 49,919 2.93 6,069 13.42 0.0003
2021-07-09 2021-03-31 13F/A-1 NEWPARK RES COM PAR $.01NEW 651718504 1,704,109 -37,133 -2.13 5,351 60.07 0.0003
2021-05-17 2021-03-31 13F NEWPARK RES COM PAR $.01NEW 651718504 1,704,109 -37,133 5,351 0.0003
2021-02-16 2020-12-31 13F NEWPARK RES COM PAR $.01NEW 651718504 1,741,242 -939,199 -35.04 3,343 18.80 0.0002
2020-11-10 2020-09-30 13F NEWPARK RES COM PAR $.01NEW 651718504 2,680,441 -39,572 -1.45 2,814 -53.61 0.0002
2020-08-14 2020-06-30 13F NEWPARK RES COM PAR $.01NEW 651718504 2,720,013 -420,915 -13.40 6,066 115.34 0.0004
2020-06-19 2020-03-31 13F/A-1 NEWPARK RES COM PAR $.01NEW 651718504 3,140,928 186,213 6.30 2,817 -84.79 0.0002
2020-05-11 2020-03-31 13F NEWPARK RES COM PAR $.01NEW 651718504 3,140,928 186,213 2,817 247.3893
2020-02-06 2019-12-31 13F NEWPARK RES COM PAR $.01NEW 651718504 2,954,715 225,468 8.26 18,526 -10.92 0.0013
2019-11-14 2019-09-30 13F NEWPARK RES COM PAR $.01NEW 651718504 2,729,247 -104,174 -3.68 20,797 -1.08 0.0016
2019-08-14 2019-06-30 13F NEWPARK RES COM PAR $.01NEW 651718504 2,833,421 38,630 1.38 21,024 -17.87 0.0016
2019-05-15 2019-03-31 13F NEWPARK RES COM PAR $.01NEW 651718504 2,794,791 -18,760 -0.67 25,600 32.44 0.0020
2019-02-12 2018-12-31 13F NEWPARK RES COM PAR $.01NEW 651718504 2,813,551 -34,622 -1.22 19,329 -34.43 0.0018
2018-11-09 2018-09-30 13F NEWPARK RESOURCES Common equity shares 651718504 2,848,173 229,127 8.75 29,480 3.74 0.0023
2018-08-14 2018-06-30 13F NEWPARK RESOURCES Common equity shares 651718504 2,619,046 224,402 9.37 28,418 46.50 0.0024
2018-05-15 2018-03-31 13F NEWPARK RESOURCES Common equity shares 651718504 2,394,644 -88,485 -3.56 19,398 -9.15 0.0016
2018-02-14 2017-12-31 13F NEWPARK RESOURCES Common equity shares 651718504 2,483,129 152,079 6.52 21,351 -8.42 0.0017
2017-11-14 2017-09-30 13F NEWPARK RESOURCES Common equity shares 651718504 2,331,050 -99,363 -4.09 23,314 30.50 0.0020
2017-08-14 2017-06-30 13F NEWPARK RESOURCES Common equity shares 651718504 2,430,413 7,278 0.30 17,865 -8.97 0.0016
2017-05-15 2017-03-31 13F NEWPARK RESOURCES Common equity shares 651718504 2,423,135 279,343 13.03 19,626 22.03 0.0018
2017-02-09 2016-12-31 13F NEWPARK RESOURCES Common equity shares 651718504 2,143,792 247,617 13.06 16,083 15.25 0.0015
2017-01-13 2016-09-30 13F/A-1 NEWPARK RESOURCES Common equity shares 651718504 1,896,175 -98,654 -4.95 13,955 20.83 0.0014
2016-11-14 2016-09-30 13F NEWPARK RESOURCES Common equity shares 651718504 1,896,175 13,955
2016-08-12 2016-06-30 13F NEWPARK RESOURCES Common equity shares 651718504 1,994,829 25,620 1.30 11,549 35.68 0.0012
2016-05-20 2016-03-31 13F/A-1 NEWPARK RESOURCES Common equity shares 651718504 1,969,209 -64,534 -3.17 8,512 -20.71 0.0009
2016-05-12 2016-03-31 13F NEWPARK RESOURCES Common equity shares 651718504 1,969,209 8,512
2016-02-16 2015-12-31 13F NEWPARK RESOURCES Common equity shares 651718504 2,033,743 -188,390 -8.48 10,735 -5.64 0.0012
2015-11-16 2015-09-30 13F NEWPARK RESOURCES Common equity shares 651718504 2,222,133 175,610 8.58 11,377 -31.61 0.0013
2015-08-13 2015-06-30 13F NEWPARK RESOURCES Common equity shares 651718504 2,046,523 88,815 4.54 16,636 -6.73 0.0018
2015-05-15 2015-03-31 13F NEWPARK RESOURCES Common equity shares 651718504 1,957,708 27,480 1.42 17,837 -3.15 0.0018
2015-02-11 2014-12-31 13F NEWPARK RESOURCES Common equity shares 651718504 1,930,228 3,212 0.17 18,417 -23.18 0.0018
2014-11-12 2014-09-30 13F/A-1 NEWPARK RESOURCES Common equity shares 651718504 1,927,016 -192,284 -9.07 23,974 -9.21 0.0026
2014-11-10 2014-09-30 13F NEWPARK RESOURCES Common equity shares 651718504 1,927,016 23,974
2014-08-12 2014-06-30 13F NEWPARK RESOURCES Common equity shares 651718504 2,119,300 -36,843 -1.71 26,405 6.95 0.0029
2014-05-15 2014-03-31 13F/A-1 NEWPARK RESOURCES Common equity shares 651718504 2,156,143 -89,600 -3.99 24,690 -10.55 0.0028
2014-05-13 2014-03-31 13F NEWPARK RESOURCES Common equity shares 651718504 2,157,043 24,700
2014-02-06 2013-12-31 13F/A-1 NEWPARK RESOURCES Common equity shares 651718504 2,245,743 241,492 12.05 27,602 8.77 0.0031
2014-02-06 2013-12-31 13F NEWPARK RESOURCES Common equity shares 651718504 1,948,650 15,300
2013-11-12 2013-09-30 13F NEWPARK RESOURCES Common equity shares 651718504 2,004,251 30,298 1.53 25,377 16.97 0.0031
2013-08-08 2013-06-30 13F NEWPARK RESOURCES Common equity shares 651718504 1,973,953 1,973,953 21,696 0.0028
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.