13F

Stock

NPK International Inc.

NPKI · held by 246 managers

Reported value

$1.05B

Holders

246

+33 new · −28 exited

Holders’ est. mark

$150.3M

Price effect on 207 books still in the name

Largest holder

$104.4M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.7.2M$104.4M$17.8MAdded$21.9M
AMERIPRISE FINANCIAL INC5.62M$81.5M$13.3MAdded$19.9M
DIMENSIONAL FUND ADVISORS LP3.98M$57.7M$10.2MAdded$4.48M
VANGUARD CAPITAL MANAGEMENT LLC3.42M$49.6MHeld
AMERICAN CENTURY COMPANIES INC3.04M$44.1M$7.82MAdded$7.49M
WASATCH ADVISORS LP2.9M$42M$5.69MAdded$15.6M
GEODE CAPITAL MANAGEMENT, LLC2.24M$32.5M$5.08MAdded$8.95M
ROYCE & ASSOCIATES LP2.07M$30M$5.32MAdded$3.96M
State Street1.96M$28.3M$5.03MAdded$4.77M
MORGAN STANLEY1.82M$26.4M$4.35MAdded$6.23M
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.1.82M$26.4M$4.67MAdded$4.27M
Russell Investments Group, Ltd.1.73M$25M$4.44MAdded$2.59M
PRUDENTIAL FINANCIAL INC1.69M$24.4M$4.33MAdded$1.57M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1.54M$22.3M$2.7MAdded$9.76M
LOOMIS SAYLES & CO L P1.18M$17.1M$3.03MAdded$1.73M
Allianz Asset Management GmbH1.16M$16.8M$1.29MAdded$10.8M
Qube Research & Technologies Ltd1.14M$16.5M$1.98MAdded$7.33M
Electron Capital Partners, LLC1.1M$15.9MNew
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.1M$15.9M$2.82MAdded$2M
Nuveen, LLC1.07M$15.5M$2.76MAdded$2.22M
TWO SIGMA INVESTMENTS, LP1.06M$15.4M$1.3MAdded$9.35M
GOLDMAN SACHS GROUP INC1.01M$14.7M$1.81MAdded$6.28M
NORTHERN TRUST CORP968.5K$14M$2.43MAdded$2.78M
VANGUARD PORTFOLIO MANAGEMENT LLC861.5K$12.5MHeld
SEI INVESTMENTS CO837.2K$12.1M$971KAdded$7.63M
AXIOM INVESTORS LLC /DE737.3K$10.7MNew
Ancora Advisors LLC727.4K$10.5M$1.87MCut−$886.7K
PANAGORA ASSET MANAGEMENT INC677.6K$9.82M$1.72MAdded$1.84M
CANNELL CAPITAL LLC654.7K$9.49M$1.68MCut−$1.73M
SILVERCREST ASSET MANAGEMENT GROUP LLC605.3K$8.77M$1.56MAdded$759.6K
ArrowMark Colorado Holdings LLC566.4K$8.21M$1.46MCut−$3.45M
FIRST SABREPOINT CAPITAL MANAGEMENT LP550K$7.97M$1.41MAdded$221.5K
RICE HALL JAMES & ASSOCIATES, LLC545.1K$7.9M$1.4MAdded$1.35M
VANGUARD FIDUCIARY TRUST CO536K$7.77MHeld
Uniplan Investment Counsel, Inc.527.7K$7.65M$1.36MAdded$957.7K
OBERWEIS ASSET MANAGEMENT INC/518.1K$7.51M$1.31MAdded$1.44M
Asset Management One Co., Ltd.505.5K$7.32MNew
Granahan Investment Management, LLC401.7K$5.82M$1.03MCut−$1.1M
JACOBS LEVY EQUITY MANAGEMENT, INC381.4K$5.53M$980.3KCut−$162.6K
PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE375K$5.43M$963.8KAdded$665.8K
Renaissance Technologies362.2K$5.25M$930.8KCut−$942.4K
Calamos Advisors LLC353.6K$5.12M$908.8KAdded$861.4K
MARATHON CAPITAL MANAGEMENT346.1K$5.02M$889.5KAdded$755K
JANE STREET GROUP, LLC337.7K$4.89M$833KAdded$1.03M
OP Asset Management Ltd333.4K$4.83M$267.9KAdded$3.59M
UBS Group AG312.6K$4.53M$741.1KAdded$1.09M
Point72 Asset Management, L.P.304.2K$4.41M$781.8KCut−$1.99M
First Eagle Investment Management, LLC273.8K$3.97M$681.9KAdded$805K
Roubaix Capital, LLC269.9K$3.91M$693.7KCut−$2.95M
Invesco Ltd.268.5K$3.89M$463.5KAdded$1.74M
Bank of New York Mellon Corp266.3K$3.86M$684.3KAdded$659.2K
WELLINGTON MANAGEMENT GROUP LLP264.6K$3.83M$680.1KCut−$2.2M
Icahn Capital241.3K$3.5M$448.5KAdded$1.42M
BANK OF AMERICA CORP /DE/240K$3.48M$508.1KAdded$1.12M
Fisher Asset Management, LLC233K$3.38M$596.2KAdded$611.3K
JPMORGAN CHASE & CO208K$2.96M$480.4KAdded$207.1K
KENNEDY CAPITAL MANAGEMENT LLC187.7K$2.72M$473.6KAdded$522.3K
RAYMOND JAMES FINANCIAL INC180.1K$2.61M$463KAdded$422.3K
1492 Capital Management LLC176K$2.55M$452.3KAdded$432.5K
Swiss National Bank166.6K$2.41M$428.2KAdded$428.2K
Skylands Capital, LLC164.3K$2.38M$422.3KAdded$357.9K
GILDER GAGNON HOWE & CO LLC160.6K$2.33M$412.7KAdded$297.4K
MILLENNIUM MANAGEMENT LLC158.9K$2.3M$273.7KAdded$1.03M
LAZARD ASSET MANAGEMENT LLC158.5K$2.3M$407.4KCut−$530.6K
Riverwater Partners LLC155.2K$2.25M$398.7KAdded$366.2K
Campbell & CO Investment Adviser LLC144K$2.09M$223.4KAdded$1.05M
IRONWOOD INVESTMENT MANAGEMENT LLC140.6K$2.04M$361.4KAdded$346.1K
Engineers Gate Manager LP138.9K$2.01M$264.7KAdded$785.8K
Squarepoint Ops LLC138.1K$2M$150.7KAdded$1.3M
ExodusPoint Capital Management, LP135.8K$1.97MNew
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC129.6K$1.88M$327.7KAdded$358.5K
Panoramic Capital, LLC127.8K$1.85M$328.3KCut−$565.7K
Jump Financial, LLC125K$1.81M$321.2KCut−$1.04M
Man Group plc124.8K$1.81M$162.8KAdded$1.05M
North Star Investment Management Corp.120K$1.74MNew
RHUMBLINE ADVISERS117.6K$1.7M$302.2KAdded$230.2K
Y-Intercept (Hong Kong) Ltd110.3K$1.6M$271.4KAdded$339K
FRANKLIN RESOURCES INC105.1K$1.52M$269.2KAdded$275.1K
PRINCIPAL FINANCIAL GROUP INC104.3K$1.51M$267.9KAdded$131K
D. E. Shaw & Co., Inc.97K$1.41M$249.4KCut−$1M
DARK FOREST CAPITAL MANAGEMENT LP93.7K$1.36MNew
Round Rock Advisors LLC92.5K$1.34M$236.7KAdded$242.4K
STATE OF WISCONSIN INVESTMENT BOARD82.4K$1.19M$211.7KAdded$74.6K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM80.2K$1.16M$206.2KAdded$198.9K
DEUTSCHE BANK AG\77.4K$1.12M$179KAdded$290.9K
CITIGROUP INC77.3K$1.12M$6.01KAdded$1.09M
PINNACLE ASSOCIATES LTD76.5K$1.11M$171.3KAdded$314.4K
Quantbot Technologies LP74.5K$1.08M$179.1KAdded$249K
ROTHSCHILD INVESTMENT LLC69K$1M$177.4KCut−$207.6K
Penbrook Management LLC67.3K$974.5K$172.8KAdded$172.8K
Sigma Planning Corp60K$869.4KNew
Citadel59.7K$864.9K$153.4KCut−$2.02M
VANGUARD ASSET MANAGEMENT, Ltd58.5K$847.3KHeld
Walleye Capital LLC58.4K$846.6KNew
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC58K$841.1K$100.3KAdded$375.7K
ALLIANCEBERNSTEIN L.P.69.6K$829.9K−$0Cut−$267K
MARSHALL WACE, LLP54.1K$784.2KNew
Legal & General Group Plc53.8K$779.5K$138.2KCut−$137.2K
HSBC HOLDINGS PLC52.5K$764.1K$36.3KAdded$595K
Creative Planning52.2K$755.8K$119.5KAdded$201.7K
SUSQUEHANNA INTERNATIONAL GROUP, LLP51.5K$745.9K$85KAdded$351.8K
STRS OHIO51.4K$744.8K$132.1KAdded$82K
Pacific Ridge Capital Partners, LLC51K$738.4K$130.9KAdded$131.1K
BRIDGEWAY CAPITAL MANAGEMENT, LLC50.7K$735.2K$130.4KCut−$6.72M
Empowered Funds, LLC49.7K$720.7KNew
Susquehanna Portfolio Strategies, LLC49.1K$710.9K$126.1KAdded$126.1K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM48.6K$704.5K$125KAdded$125K
Penn Capital Management Company, LLC47.9K$693.8K$123.1KAdded$61.2K
Graham Capital Management, L.P.47.2K$683.9K$117.6KAdded$138.3K
Boston Partners47.1K$682.6K$121.1KAdded$56.4K
State of Wyoming46.7K$676.9K$64.8KAdded$376.2K
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO46.3K$670.8K$119KAdded$33K
FULLER & THALER ASSET MANAGEMENT, INC.45.7K$662K$117.4KAdded$27K
Vanguard Global Advisers, LLC44.9K$650.6KHeld
WELLS FARGO & COMPANY/MN44.7K$648K$114.9KCut−$576.6K
MetLife Investment Management, LLC41.6K$603K$106.9KAdded$62.4K
ARS Investment Partners, LLC41.2K$597.1K$105.9KAdded$75.2K
CANADA PENSION PLAN INVESTMENT BOARD40K$579.6K$22.9KAdded$473.5K
EntryPoint Capital, LLC40K$579.6K$72.1KAdded$245.4K
BNP PARIBAS FINANCIAL MARKETS39.9K$578.7K$102.6KAdded$43.6K
NorthCrest Asset Manangement, LLC39.3K$566.9K$71.5KAdded$74.8K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.38.5K$557.3K$98KAdded$102.6K
Vident Advisory, LLC37.6K$544.7KNew
MANUFACTURERS LIFE INSURANCE COMPANY, THE37.5K$543.3K$64.1KAdded$246.1K
JANUS HENDERSON GROUP PLC37K$536.9K$96.2KAdded$96.2K
Connor, Clark & Lunn Investment Management Ltd.36.8K$533.4KNew
Savant Capital, LLC33.6K$487.3K$86.4KAdded$83.4K
Massar Capital Management, LP33.1K$480.3K$85.2KAdded$85.2K
CHOREO, LLC32.3K$467.6K$76.5KAdded$55.9K
DIVERSIFIED TRUST CO31K$449.7K$70.5KAdded$122.6K
Aquatic Capital Management LLC30.7K$444.6K$29.2KAdded$309K
GWN SECURITIES INC.30.7K$444.3K$68.6KAdded$126K
Zurcher Kantonalbank (Zurich Cantonalbank)29.7K$429.7K$40.7KAdded$240.8K
MERCER GLOBAL ADVISORS INC /ADV29.3K$424.2K$62.6KAdded$133.8K
Ashton Thomas Private Wealth, LLC27.6K$400.5K$44.5KAdded$194.1K
INTECH INVESTMENT MANAGEMENT LLC27.5K$398.5K$70.7KCut−$99K
FOX RUN MANAGEMENT, L.L.C.27.8K$395.7KNew
Quantinno Capital Management LP26.5K$384.4K$55.6KAdded$126.3K
Pinnacle Wealth Management Advisory Group, LLC26.3K$381K$67.6KAdded$29.3K
OPPENHEIMER ASSET MANAGEMENT INC.25.8K$373.5K$66.2KAdded$38.1K
Shay Capital LLC25K$362.3K$64.2KCut−$85.2K
ZACKS INVESTMENT MANAGEMENT24.5K$355.4K$63KCut−$16.4K
Bleakley Financial Group, LLC24.4K$353K$62.6KAdded$59.6K
BOOTHBAY FUND MANAGEMENT, LLC23.5K$340.2K$60.3KCut−$485.8K
ARIZONA STATE RETIREMENT SYSTEM23.2K$336.3K$59.6KAdded$58K
BARCLAYS PLC23.2K$335.9K$59.6KCut−$1.35M
Cetera Investment Advisers22.4K$323.9K$54KAdded$73.6K
Police & Firemen's Retirement System of New Jersey20.3K$294.2K$52.2KAdded$52.2K
NEW YORK STATE COMMON RETIREMENT FUND20.2K$292.5K$51.9KAdded$51.9K
Pictet Asset Management Holding SA19.8K$287.3K$40.3KAdded$100.2K
Vanguard Investments Australia, Ltd.19.1K$276KHeld
Ethic Inc.18.7K$271.4K$35.5KAdded$106.8K
Mariner, LLC18K$261K$27.3KAdded$133.8K
KLP KAPITALFORVALTNING AS18K$260.8K$46.3KAdded$46.3K
Rothschild Wealth LLC17.7K$256.7K$45.5KCut−$1.39M
O'SHAUGHNESSY ASSET MANAGEMENT, LLC17.6K$254.5K$45.1KCut−$301.9K
Magnetar Financial LLC17K$246.2K$43.7KCut−$135.5K
PNC Financial Services Group, Inc.15.2K$220.2K$39.1KAdded$14.7K
STIFEL FINANCIAL CORP14.9K$215.3K$37.1KAdded$43.4K
VOYA INVESTMENT MANAGEMENT LLC14.2K$206K$36.5KAdded$27.2K
Fidelity14.1K$204.4K$36.3KCut−$21.7K
MQS Management LLC13.9K$202K$30.8KAdded$59.3K
Universal- Beteiligungs- und Servicegesellschaft mbH13.9K$200.7KNew
ENVESTNET ASSET MANAGEMENT INC13.7K$198.9K$32.3KAdded$48.9K
Tidal Investments LLC13.1K$190.2K$33.7KAdded$28.3K
XML Financial, LLC12.5K$180.9KNew
M&T Bank Corp12.1K$176K$31KAdded$32.4K
ProShare Advisors LLC11.9K$172.4K$30.6KCut−$6.03K
MIRABELLA FINANCIAL SERVICES LLP11.4K$165.9K$26.9KAdded$41K
Legato Capital Management LLC11.2K$162.9K$28.9KAdded$28.9K
AVIVA PLC10.6K$154.2KNew
Entropy Technologies, LP10.4K$151.2KNew
Arax Advisory Partners10.3K$150K$26.6KAdded$26.6K
Vanguard Personalized Indexing Management, LLC10.3K$149.3K$26KAdded$28.7K
Polymer Capital Management (US) LLC10.3K$149.1KNew
RITHOLTZ WEALTH MANAGEMENT10.1K$146.2K$25.9KAdded$26.2K
Brevan Howard Capital Management LP10.1K$145.7K$25.8KCut−$921.1K
Cresset Asset Management, LLC10K$144.9K$25.7KAdded$25.7K
OSAIC HOLDINGS, INC.8.38K$121.4K$21.5KAdded$9.69K
GAMMA Investing LLC8.14K$118K$20.6KAdded$22.3K
CWM, LLC7.41K$107.4K$71.2KAdded$107.3K
Rockefeller Capital Management L.P.7.11K$103.1K$3.67KAdded$86.1K
Tower Research Capital LLC (TRC)6.99K$101.3K$9.61KAdded$56.7K
Ameritas Investment Partners, Inc.6.56K$95.1K$16.9KAdded$16.9K
NISA INVESTMENT ADVISORS, LLC5.19K$75.2K$13.2KAdded$13.8K
FIFTH THIRD BANCORP5.05K$73.2KNew
FEDERATED HERMES, INC.4.75K$68.8K$11.7KAdded$14.6K
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC43.1K$54.5K−$29KAdded$21.6K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2.73K$39.5K$14.5KAdded$39.5K
Sterling Capital Management LLC2.72K$39.4K$6.99KCut−$17K
ROYAL BANK OF CANADA2.4K$35K$6.28KCut−$20K
BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC2.14K$31K$5.5KAdded$4.08K
Farther Finance Advisors, LLC1.8K$25.9K$3.63KAdded$8.21K
NewEdge Advisors, LLC10.2K$24.6K−$96.4KCut−$108.3K
Thrivent Financial for Lutherans1.67M$24.1K$4.08KAdded$5.21K
EverSource Wealth Advisors, LLC1.6K$23.3K$3.93KAdded$5.04K
QUADRANT CAPITAL GROUP LLC1.53K$22.2K$3.94KAdded$3.94K
USA FINANCIAL FORMULAS1.46K$21.1KNew
ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/1.17K$16.9K$3KAdded$2.67K
Caitong International Asset Management Co., Ltd1.08K$15.6K$2.78KCut−$1.57K
GROUP ONE TRADING LLC993$14.4K$2.55KCut−$27.1K
Tieton Capital Management, LLC835.9K$12.1K$2.06KAdded$2.57K
MAI Capital Management715$10.4K$77Added$10K
Acumen Wealth Advisors, LLC641$9.29K$1.65KAdded$1.65K
Larson Financial Group LLC604$8.75K$1.55KAdded$74
Pinnacle Wealth Planning Services, Inc.565$8.19K$1.45KAdded$1.45K
WPG Advisers, LLC553$8.01K$345Added$6.42K
SJS Investment Consulting Inc.380$5.51K$5Added$5.48K
ALGERT GLOBAL LLC370.9K$5.37K$953Cut−$3.99K
Optiver Holding B.V.366$5.3K$940Cut−$2.3K
United Financial Planning Group LLC342$4.96KNew
US BANCORP \DE\326$4.72K$719Added$1.39K
Allworth Financial LP318$4.61K$77Added$4.25K
Cedar Mountain Advisors, LLC304$4.41KNew
JPL Wealth Management, LLC286$4.14KNew
SIMPLEX TRADING, LLC275$3.98K$706Cut−$98.9K
Root Financial Partners, LLC230$3.33KNew
HARBOR CAPITAL ADVISORS, INC.185.6K$2.69K$477Added$83
Quarry LP181$2.62K$466Cut−$16.7K
Valued Wealth Advisors LLC172$2.49KNew
BAYBAN159$2.3KNew
Essential Partners LLC158$2.29K$406Added$406
LOS ANGELES CAPITAL MANAGEMENT LLC130$1.88K$137Cut−$54.2K
Smartleaf Asset Management LLC131$1.86K$276Added$276
IFP Advisors, Inc108$1.56K$277Cut−$116
CROWN ADVISORS MANAGEMENT, INC.100K$1.45KNew
TOTH FINANCIAL ADVISORY CORP100$1.45KNew
SG Americas Securities, LLC95.6K$1.39K$101Added$917
GSA CAPITAL PARTNERS LLP84K$1.22K$216Cut−$152
PRICE T ROWE ASSOCIATES INC /MD/74.8K$1.08K$159Added$348
SIGNATUREFD, LLC69$1KNew
Parallel Advisors, LLC62$898$159Added$159
JONES FINANCIAL COMPANIES LLLP52$760$140Added$140
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO48$696New
SBI Securities Co., Ltd.40$580$103Added$103
Rachor Investment Advisory Services, LLC35$508$90Added$90
HRT FINANCIAL LP32.3K$467New
Cambridge Investment Research Advisors, Inc.27.5K$398$63Added$104
MassMutual Private Wealth & Trust, FSB24$348New
State of Alaska, Department of Revenue18K$259$46Added$46
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO17.2K$250$45Added$45
Fortitude Family Office, LLC11$159$28Added$28
CANADA LIFE ASSURANCE Co9.6K$140$26Added$26
HARBOUR INVESTMENTS, INC.9$130$23Added$23
Erste Asset Management GmbH0$0New
Covestor Ltd29$0$0Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.