Companies / NPK International Inc. / Activity

Activity — NPK International Inc.

98 moves.

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InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Q2 2026
as of
BlackRock, Inc.
13F manager
AddCommon stock$16.24M+1.0M
+14.75%
7,940,503
9.35% of shares
medium
Q1 2026
as of
Axiom Investors LLC /De
13F manager
NewCommon stock$10.68M+737K
737,325
0.87% of shares
medium
Q1 2026
as of
Bridgeway Capital Management, LLC
13F manager
TrimCommon stock$-8.33M-575K
-91.89%
50,740
0.06% of shares
medium
Q1 2026
as of
Two Sigma Investments, LP
13F manager
AddCommon stock$8.05M+556K
+110.01%
1,060,904
1.25% of shares
medium
Q1 2026
as of
Asset Management One Co., Ltd.
13F manager
NewCommon stock$7.32M+506K
505,520
0.60% of shares
medium
Q1 2026
as of
Arrowstreet Capital, Limited Partnership
13F manager
AddCommon stock$7.05M+487K
+46.27%
1,539,088
1.81% of shares
medium
Q1 2026
as of
Cannell Capital LLC
13F manager
TrimCommon stock$-4.15M-286K
-30.41%
654,689
0.77% of shares
low
Q1 2026
as of
Geode Capital Management, LLC
13F manager
AddCommon stock$3.86M+266K
+13.47%
2,244,164
2.64% of shares
low
Q1 2026
as of
Prudential Financial Inc
13F manager
TrimCommon stock$-3.37M-232K
-12.10%
1,686,629
1.99% of shares
low
Q1 2026
as of
Granahan Investment Management, LLC
13F manager
TrimCommon stock$-2.59M-179K
-30.80%
401,658
0.47% of shares
low
Q1 2026
as of
Renaissance Technologies LLC
13F manager
TrimCommon stock$-2.28M-157K
-30.26%
362,167
0.43% of shares
low
Q1 2026
as of
North Star Investment Management Corporation
13F manager
NewCommon stock$1.74M+120K
120,000
0.14% of shares
low
Q2 2026
as of
Crown Advisors Management, Inc.
13F manager
NewCommon stock$1.59M+100K
100,000
0.12% of shares
low
Q1 2026
as of
D. E. Shaw & Co., Inc.
13F manager
TrimCommon stock$-1.52M-105K
-51.99%
97,042
0.11% of shares
low
Q1 2026
as of
Balyasny Asset Management L.P.
13F manager
ExitCommon stock$-1.31M-110K
-100.00%
0
low
Q1 2026
as of
Lazard Asset Management LLC
13F manager
TrimCommon stock$-1.14M-79K
-33.17%
158,527
0.19% of shares
low
Q1 2026
as of
AQR Capital Management, LLC
13F manager
AddCommon stock$968.1K+67K
+38.29%
241,315
0.28% of shares
low
Q1 2026
as of
Silvercrest Asset Management Group LLC
13F manager
TrimCommon stock$-967.5K-67K
-9.94%
605,269
0.71% of shares
low
Q2 2026
as of
Sigma Planning Corp
13F manager
NewCommon stock$954.6K+60K
60,000
0.07% of shares
low
Q2 2026
as of
Rice Hall James & Associates, LLC
13F manager
TrimCommon stock$-856.5K-54K
-9.88%
491,243
0.58% of shares
low
Q1 2026
as of
Campbell & CO Investment Adviser LLC
13F manager
AddCommon stock$827.3K+57K
+65.69%
144,002
0.17% of shares
low
Q1 2026
as of
Marshall Wace, LLP
13F manager
NewCommon stock$784.2K+54K
54,117
0.06% of shares
low
Q1 2026
as of
Millennium Management LLC
13F manager
AddCommon stock$759.3K+52K
+49.21%
158,892
0.19% of shares
low
Q4 2023
as of
Barclays PLC
13F manager
AddCommon stock$719.4K+108K
+172.89%
171,008
0.20% of shares
low
Q3 2024
as of
Barclays PLC
13F manager
AddCommon stock$676.0K+98K
+155.64%
160,225
0.19% of shares
low
Q4 2025
as of
Bank of America Corp /De
13F manager
AddCommon stock$647.5K+54K
+37.88%
197,714
0.23% of shares
low
Q2 2026
as of
OneDigital Investment Advisors LLC
13F manager
NewCommon stock$610.8K+38K
38,391
0.05% of shares
low
Q2 2026
as of
State Street Corporation
13F manager
AddCommon stock$599.9K+38K
+1.91%
2,014,703
2.37% of shares
low
Q2 2026
as of
WINTON GROUP Ltd
13F manager
NewCommon stock$581.2K+37K
36,532
0.04% of shares
low
Q1 2026
as of
Punch & Associates Investment Management, Inc.
13F manager
TrimCommon stock$-492.9K-34K
-1.84%
1,818,790
2.14% of shares
low
Q3 2025
as of
Barclays PLC
13F manager
TrimCommon stock$-489.1K-43K
-28.03%
111,040
0.13% of shares
low
Q2 2024
as of
Barclays PLC
13F manager
TrimCommon stock$-461.3K-56K
-46.97%
62,677
0.07% of shares
low
Q1 2026
as of
CPPIB Crestone Peak Resources Canada Inc.
13F manager
AddCommon stock$450.6K+31K
+349.44%
40,000
0.05% of shares
low
Q2 2025
as of
Barclays PLC
13F manager
AddCommon stock$445.7K+52K
+51.38%
154,287
0.18% of shares
low
Q1 2024
as of
Barclays PLC
13F manager
TrimCommon stock$-381.3K-53K
-30.89%
118,191
0.14% of shares
low
Q4 2025
as of
Barclays PLC
13F manager
AddCommon stock$364.1K+31K
+27.51%
141,582
0.17% of shares
low
Q1 2026
as of
Paragon Associates & Paragon Associates II Joint Venture
13F manager
TrimCommon stock$-362.3K-25K
-6.25%
375,000
0.44% of shares
low
Q1 2026
as of
CoreCommodity Management, LLC
13F manager
ExitCommon stock$-314.9K-26K
-100.00%
0
low
Q2 2026
as of
AlphaQuest LLC
13F manager
ExitCommon stock$-296.2K-25K
-100.00%
0
low
Q2 2026
as of
Deutsche Bank AG
13F manager
AddCommon stock$276.9K+17K
+24.98%
87,057
0.10% of shares
low
Q1 2026
as of
AllianceBernstein L.P.
13F manager
TrimCommon stock$-267.0K-22K
-24.34%
69,622
0.08% of shares
low
Q1 2025
as of
Barclays PLC
13F manager
TrimCommon stock$-243.4K-42K
-29.13%
101,919
0.12% of shares
low
Q4 2025
as of
Counterpoint Mutual Funds LLC
13F manager
NewCommon stock$238.0K+20K
19,965
0.02% of shares
low
Q1 2026
as of
Magnetar Financial LLC
13F manager
TrimCommon stock$-217.8K-15K
-46.94%
16,993
0.02% of shares
low
Q1 2026
as of
Intech Investment Management LLC
13F manager
TrimCommon stock$-206.2K-14K
-34.10%
27,501
0.03% of shares
low
Q1 2026
as of
Zurcher Kantonalbank (Zurich Cantonalbank)
13F manager
AddCommon stock$200.0K+14K
+87.12%
29,654
0.03% of shares
low
Q4 2025
as of
Oxford Asset Management LLP
13F manager
NewCommon stock$179.2K+15K
15,035
0.02% of shares
low
Q1 2026
as of
Principal Financial Group Inc
13F manager
TrimCommon stock$-166.5K-11K
-9.93%
104,255
0.12% of shares
low
Q1 2026
as of
Marathon Capital Management
13F manager
TrimCommon stock$-163.4K-11K
-3.16%
346,110
0.41% of shares
low
Q1 2026
as of
Aviva PLC
13F manager
NewCommon stock$154.2K+11K
10,640
0.01% of shares
low
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