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NPK International Inc (NPKI)

CUSIP: 651718504 | NYSE | Energy · Oil & Gas Equipment & Services | Small Cap | 771 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/AVanguard Capital Management LLC4,226,1795.0%−9,420Sep 30, 202692d ahead of 13F (3,604,823 sh) · +621,356
13G/AVanguard Capital Management LLC4,226,179
5.0% of class · Sep 30, 2026−9,420
92d ahead of 13F (3,604,823 sh) · +621,356

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP3,788,120
0.0% of portfolio›$43.3M
Wasatch Advisors LP3,006,486
0.3% of portfolio›$34.3M
Thrivent Financial for Lutherans1,419,239
0.0% of portfolio›$16.2K
Asset Management One Co., Ltd.596,409
0.0% of portfolio›$6.8M
Marathon Capital Management341,345
0.8% of portfolio›$3.9M
OP Asset Management Ltd333,418
0.0% of portfolio›$3.8M
Bank of New York Mellon Corp244,488
0.0% of portfolio›$2.8M
Summit Creek Advisors LLC243,674
1.1% of portfolio›$2.8M
Principal Financial Group Inc191,771
0.0% of portfolio›$2.2M
Skylands Capital, LLC181,200
0.3% of portfolio›$2.1M
Harbor Capital Advisors, Inc.177,357
0.0% of portfolio›$2.0K
North Star Investment Management Corp.176,140
0.1% of portfolio›$2.0M
Conestoga Capital Advisors, LLC158,735
0.1% of portfolio›$1.8M
Riverwater Partners LLC149,140
0.5% of portfolio›$1.7M
Calamos Advisors LLC133,481
0.0% of portfolio›$1.5M
CenterBook Partners LP104,174
0.1% of portfolio›$1.2M
Pinnacle Associates LTD81,030
0.0% of portfolio›$925.4K
Strs Ohio72,000
0.0% of portfolio›$822.2K
Penbrook Management LLC67,325
0.5% of portfolio›$768.9K
Y-Intercept (Hong Kong) Ltd55,961
0.0% of portfolio›$639.1K
Creative Planning54,952
0.0% of portfolio›$627.6K
Citigroup Inc45,158
0.0% of portfolio›$515.7K
Wealth Enhancement Advisory Services, LLC44,300
0.0% of portfolio›$51.3K
State of Wyoming43,173
0.0% of portfolio›$493.0K
Penn Capital Management Company, LLC43,085
0.0% of portfolio›$492.0K
NorthCrest Asset Manangement, LLC39,829
0.0% of portfolio›$457.2K
Choreo, LLC33,784
0.0% of portfolio›$385.8K
Ashton Thomas Private Wealth, LLC28,101
0.0% of portfolio›$320.9K
Oppenheimer Asset Management Inc.24,911
0.0% of portfolio›$284.5K
Arizona State Retirement System22,597
0.0% of portfolio›$258.1K
State of Alaska, Department of Revenue17,297
0.0% of portfolio›$196
Pinnacle Wealth Management Advisory Group, LLC16,875
0.0% of portfolio›$192.7K
XML Financial, LLC15,735
0.0% of portfolio›$179.7K
Nisa Investment Advisors, LLC15,469
0.0% of portfolio›$176.7K
Granite Investment Partners, LLC13,195
0.0% of portfolio›$150.7K
Pictet Asset Management Holding SA12,403
0.0% of portfolio›$141.6K
Ethic Inc.12,208
0.0% of portfolio›$139.4K
ProShare Advisors LLC10,406
0.0% of portfolio›$118.8K
Gamma Investing LLC8,112
0.0% of portfolio›$92.6K
Sterling Capital Management LLC2,742
0.0% of portfolio›$31.3K
Blue Bell Private Wealth Management, LLC2,139
0.0% of portfolio›$24.4K
Exchange Traded Concepts, LLC1,639
0.0% of portfolio›$18.7K
Farther Finance Advisors, LLC1,592
0.0% of portfolio›$18.2K
Parallel Advisors, LLC1,048
0.0% of portfolio›$12.0K
Acumen Wealth Advisors, LLC777
0.0% of portfolio›$8.9K
Covestor Ltd746
0.0% of portfolio›$8
Larson Financial Group LLC582
0.0% of portfolio›$6.6K
Pinnacle Wealth Planning Services, Inc.565
0.0% of portfolio›$6.5K
Simplex Trading, LLC518
0.0% of portfolio›$5.9K
WPG Advisers, LLC454
0.0% of portfolio›$5.2K
SJS Investment Consulting Inc.378
0.0% of portfolio›$4.3K
Cedar Mountain Advisors, LLC304
0.0% of portfolio›$3.5K
EverSource Wealth Advisors, LLC270
0.0% of portfolio›$3.1K
Summit Securities Group LLC225
0.0% of portfolio›$2.6K
Caitong International Asset Management Co., Ltd218
0.0% of portfolio›$2.5K
Versant Capital Management, Inc204
0.0% of portfolio›$2.3K
Ascentis Wealth Management, LLC109
0.0% of portfolio›$1.2K
Essential Partners LLC105
0.0% of portfolio›$1.2K
IFP Advisors, Inc100
0.0% of portfolio›$1.1K
Root Financial Partners, LLC72
0.0% of portfolio›$822
Signaturefd, LLC69
0.0% of portfolio›$792
Parkside Financial Bank & Trust40
0.0% of portfolio›$457
SBI Securities Co., Ltd.30
0.0% of portfolio›$343
Fortitude Family Office, LLC11
0.0% of portfolio›$126
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
3,788,120$43.3M0.0%IndexLowAustin, TX2026-11-04
Wasatch Advisors LP
3,006,486$34.3M0.3%GARPMediumSalt Lake City, UT2026-10-13
Thrivent Financial for Lutherans
1,419,239$16.2K0.0%GARPMediumMinneapolis, MN2026-11-05
Asset Management One Co., Ltd.
596,409$6.8M0.0%IndexVery LowTokyo, Mexico2026-10-27
Marathon Capital Management
341,345$3.9M0.8%CoreLowHunt Valley, MD2026-10-23
OP Asset Management Ltd
333,418$3.8M0.0%GrowthMediumHelsinki, Hungary2026-11-05
Bank of New York Mellon Corp
244,488$2.8M0.0%CoreLowNew York, NY2026-11-05
Summit Creek Advisors LLC
243,674$2.8M1.1%GARPLowMinneapolis, MN2026-11-03
Principal Financial Group Inc
191,771$2.2M0.0%CoreLowDes Moines, IA2026-11-02
Skylands Capital, LLC
181,200$2.1M0.3%ValueMediumMilwaukee, WI2026-10-21
Harbor Capital Advisors, Inc.
177,357$2.0K0.0%ValueHighChicago, IL2026-10-22
North Star Investment Management Corp.
176,140$2.0M0.1%CoreLowChicago, IL2026-10-27
Conestoga Capital Advisors, LLC
158,735$1.8M0.1%CoreLowWayne, PA2026-11-02
Riverwater Partners LLC
149,140$1.7M0.5%ValueMediumMilwaukee, WI2026-11-03
Calamos Advisors LLC
133,481$1.5M0.0%GrowthMediumNaperville, IL2026-11-02
CenterBook Partners LP
104,174$1.2M0.1%ValueVery HighGreenwich, CT2026-11-02
Pinnacle Associates LTD
81,030$925.4K0.0%CoreLowNew York, NY2026-10-20
Strs Ohio
72,000$822.2K0.0%CoreMediumColumbus, OH2026-10-30
Penbrook Management LLC
67,325$768.9K0.5%CoreLowNew York, NY2026-10-16
Y-Intercept (Hong Kong) Ltd
55,961$639.1K0.0%ValueVery HighHong Kong, South Korea2026-10-16
Creative Planning
54,952$627.6K0.0%IndexVery LowOverland Park, KS2026-11-02
Citigroup Inc
45,158$515.7K0.0%CoreMediumNew York, NY2026-11-04
Wealth Enhancement Advisory Services, LLC
44,300$51.3K0.0%CoreLowPlymouth, MN2026-10-13
State of Wyoming
43,173$493.0K0.0%ValueHighCheyenne, WY2026-10-28
Penn Capital Management Company, LLC
43,085$492.0K0.0%ValueHighPhiladelphia, PA2026-11-04
NorthCrest Asset Manangement, LLC
39,829$457.2K0.0%GrowthLowPlymouth, MN2026-10-13
Choreo, LLC
33,784$385.8K0.0%IndexLowRockford, IL2026-10-28
Ashton Thomas Private Wealth, LLC
28,101$320.9K0.0%CoreMediumScottsdale, AZ2026-11-03
Oppenheimer Asset Management Inc.
24,911$284.5K0.0%CoreMediumNew York, NY2026-10-27
Arizona State Retirement System
22,597$258.1K0.0%IndexVery LowPhoenix, AZ2026-11-03
State of Alaska, Department of Revenue
17,297$1960.0%CoreVery LowJuneau, AK2026-10-15
Pinnacle Wealth Management Advisory Group, LLC
16,875$192.7K0.0%GrowthLowRed Bank, NJ2026-10-23
XML Financial, LLC
15,735$179.7K0.0%ETFLowBethesda, MD2026-10-29
Nisa Investment Advisors, LLC
15,469$176.7K0.0%IndexVery LowSt. Louis, MO2026-10-20
Granite Investment Partners, LLC
13,195$150.7K0.0%CoreMediumEl Segundo, CA2026-11-04
Pictet Asset Management Holding SA
12,403$141.6K0.0%GrowthMediumCarouge, Switzerland2026-11-03
Ethic Inc.
12,208$139.4K0.0%CoreLowNew York, NY2026-11-03
ProShare Advisors LLC
10,406$118.8K0.0%GrowthLowBethesda, MD2026-10-29
Gamma Investing LLC
8,112$92.6K0.0%IndexVery LowFoster City, CA2026-10-08
Sterling Capital Management LLC
2,742$31.3K0.0%GARPMediumCharlotte, NC2026-10-22
Blue Bell Private Wealth Management, LLC
2,139$24.4K0.0%YieldVery LowBlue Bell, PA2026-10-29
Exchange Traded Concepts, LLC
1,639$18.7K0.0%GrowthMediumOklahoma City, OK2026-10-28
Farther Finance Advisors, LLC
1,592$18.2K0.0%IndexLowSan Francisco, CA2026-10-08
Parallel Advisors, LLC
1,048$12.0K0.0%IndexLowSan Francisco, CA2026-11-03
Acumen Wealth Advisors, LLC
777$8.9K0.0%GrowthHighChattanooga, TN2026-11-05
Covestor Ltd
746$80.0%ValueHighLondon, United Kingdom2026-10-30
Larson Financial Group LLC
582$6.6K0.0%GrowthLowSt Louis, MO2026-11-05
Pinnacle Wealth Planning Services, Inc.
565$6.5K0.0%GARPLowMansfield, OH2026-10-27
Simplex Trading, LLC
518$5.9K0.0%CoreVery HighChicago, IL2026-11-04
WPG Advisers, LLC
454$5.2K0.0%CoreLowBaltimore, MD2026-10-27
SJS Investment Consulting Inc.
378$4.3K0.0%ETFVery LowSylvania, OH2026-10-26
Cedar Mountain Advisors, LLC
304$3.5K0.0%ETFVery LowLake Oswego, OR2026-10-15
EverSource Wealth Advisors, LLC
270$3.1K0.0%CoreMediumBirmingham, AL2026-11-04
Summit Securities Group LLC
225$2.6K0.0%CoreVery HighNew York, NY2026-11-05
Caitong International Asset Management Co., Ltd
218$2.5K0.0%GrowthVery HighHong Kong, South Korea2026-10-29
Versant Capital Management, Inc
204$2.3K0.0%GARPLowPhoenix, AZ2026-10-02
Ascentis Wealth Management, LLC
109$1.2K0.0%Agg GrowthLowDallas, TX2026-11-03
Essential Partners LLC
105$1.2K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
IFP Advisors, Inc
100$1.1K0.0%GrowthLowTampa, FL2026-10-16
Root Financial Partners, LLC
72$8220.0%ETFMediumEncinitas, CA2026-10-21
Signaturefd, LLC
69$7920.0%IndexLowAtlanta, GA2026-10-23
Parkside Financial Bank & Trust
40$4570.0%CoreVery LowSaint Louis, MO2026-10-27
SBI Securities Co., Ltd.
30$3430.0%Agg GrowthLowTokyo, Mexico2026-10-22
Fortitude Family Office, LLC
11$1260.0%ETFMediumScottsdale, AZ2026-10-14