NPK INTERNATIONAL INC NPKI
COM SHS · Common Stock · CUSIP 651718504
- SectorIndustrials
- IndustryServices-Miscellaneous Equipment Rental & Leasing
- HeadquartersThe Woodlands, TX
- Founded1932
- Websitenewpark.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($2.7m this quarter). Holder counts are more reliable. Shares outstanding: 86.8m as of 2023-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $5.23. Options: 4 managers hold calls ($619.5k notional), 2 hold puts ($2.1k).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 115 |
| Q4 2022 | 120 |
| Q1 2023 | 120 |
| Q2 2023 | 128 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 55 | 53 |
| Q1 2023 | 57 | 64 |
| Q2 2023 | 62 | 63 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $59.0k | $104.0k | 1.76 |
| Q4 2022 | $46.4k | $0 | 0.00 |
| Q1 2023 | $152.5k | $0 | 0.00 |
| Q2 2023 | $619.5k | $2.1k | 0.00 |
Biggest buyers
| LOOMIS SAYLES & CO L P | New | +977.0k |
| Roubaix Capital, LLC | New | +514.8k |
| Informed Momentum Co LLC | Added | +456.9k |
| WELLINGTON MANAGEMENT GROUP LLP | Added | +447.9k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Added | +382.6k |
| Tieton Capital Management, LLC | Added | +292.1k |
| Empowered Funds, LLC | New | +260.1k |
| MARSHALL WACE, LLP | New | +236.8k |
| ROYCE & ASSOCIATES LP | Added | +221.5k |
| DIMENSIONAL FUND ADVISORS LP | Added | +180.8k |
Biggest sellers
| CANNELL CAPITAL LLC | Sold out | -1.2m |
| MILLENNIUM MANAGEMENT LLC | Reduced | -600.1k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Reduced | -493.5k |
| Oslo Asset Management AS | Sold out | -492.0k |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | -279.2k |
| D. E. Shaw & Co., Inc. | Reduced | -250.0k |
| PANAGORA ASSET MANAGEMENT INC | Reduced | -180.4k |
| VANGUARD GROUP INC | Reduced | -171.5k |
| BlackRock Inc. | Reduced | -146.1k |
| STATE STREET CORP | Reduced | -105.1k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $423.6k81.0k shares |
| GROUP ONE TRADING LLC | Added | $167.9k32.1k shares |
| SIMPLEX TRADING, LLC | Reduced | $28.0k5.4k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | New | $2.1k400 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2026-07-29 | 8.4% |
| AMERIPRISE FINANCIAL INC 13G · institution -1.5 pts · filed 2025-11-14 | 6.2% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-07-31 | 5.0% |
Fell to 5% or below in the last year: DIMENSIONAL FUND ADVISORS LP (4.7%, 2026-04-09), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 0 | — | — |
| Q1 2022 | 0 | — | 0 | — | — |
| Q2 2022 | 1 | $311.2k | 0 | — | — |
| Q3 2022 | 5 | $390.0k | 0 | — | — |
| Q4 2022 | 4 | $196.8k | 0 | — | — |
| Q1 2023 | 1 | $40.2k | 0 | — | — |
| Q2 2023 | 0 | — | 0 | — | — |
None reported in Q2 2023.
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 7.4m $38.9m | Added +92.4k |
| BlackRock Inc. 0.00% of their portfolio | 5.9m $30.9m | Reduced -146.1k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.06% of their portfolio | 5.5m $28.7m | Reduced -493.5k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 5.3m $27.8m | Added +180.8k |
| VANGUARD GROUP INC 0.00% of their portfolio | 4.0m $21.0m | Reduced -171.5k |
| STATE STREET CORP 0.00% of their portfolio | 1.7m $9.1m | Reduced -105.1k |
| MORGAN STANLEY 0.00% of their portfolio | 1.7m $9.1m | Added +169.2k |
| ACADIAN ASSET MANAGEMENT LLC 0.03% of their portfolio | 1.6m $8.4m | Reduced -279.2k |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.03% of their portfolio | 1.6m $8.4m | Reduced -1.9k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.5m $7.9m | Reduced -103.2k |
| ROYCE & ASSOCIATES LP 0.07% of their portfolio | 1.5m $7.7m | Added +221.5k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 1.2m $6.1m | Added +90.0k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 1.1m $5.9m | Added +750 |
| LOOMIS SAYLES & CO L P 0.01% of their portfolio | 977.0k $5.1m | New |
| Acacia Research Corp 44.33% of their portfolio | 902.2k $4.7m | Added +46.7k |
| Tieton Capital Management, LLC 2.98% of their portfolio | 886.8k $4.6m | Added +292.1k |
| TWO SIGMA ADVISERS, LP 0.01% of their portfolio | 865.8k $4.5m | Reduced -48.7k |
| PUTNAM INVESTMENTS LLC 0.01% of their portfolio | 833.3k $4.4m | Reduced -35.3k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 796.6k $4.2m | Added +35.0k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 726.5k $3.8m | Added +447.9k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.09% of their portfolio | 692.2k $3.6m | Reduced -28.1k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio | 687.8k $3.6m | Added +382.6k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 665.4k $3.5m | Reduced -600.1k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.02% of their portfolio | 657.0k $3.4m | Reduced -4.7k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 640.6k $3.4m | Reduced -250.0k |
| Informed Momentum Co LLC 0.53% of their portfolio | 542.6k $2.8m | Added +456.9k |
| Roubaix Capital, LLC 1.98% of their portfolio | 514.8k $2.7m | New |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 504.5k $2.6m | Reduced -43.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 475.4k $2.5m | Added +72.1k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 341.7k $1.8m | Added +87.2k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 313.8k $1.6m | Reduced -23.3k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 303.6k $1.6m | Added +47.0k |
| Invesco Ltd. 0.00% of their portfolio | 282.6k $1.5m | Reduced -2.3k |
| Squarepoint Ops LLC 0.01% of their portfolio | 261.1k $1.4m | Added +177.4k |
| Empowered Funds, LLC 0.05% of their portfolio | 260.1k $1.4m | New |
| EA Series Trust 0.05% of their portfolio | 260.1k $1.4m | First filing |
| MARSHALL WACE, LLP 0.00% of their portfolio | 236.8k $1.2m | New |
| Assenagon Asset Management S.A. 0.00% of their portfolio | 217.6k $1.1m | Reduced -20.0k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 206.4k $1.1m | Reduced -22.4k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 196.4k $1.0m | Added +34.5k |
| First Eagle Investment Management, LLC 0.00% of their portfolio | 181.9k $951.2k | Reduced -31.0k |
| ClariVest Asset Management LLC 0.04% of their portfolio | 157.4k $822.0k | Added +28.5k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 153.1k $800.7k | Reduced -3.5k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 149.3k $780.9k | Added +4.0k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 146.0k $763.6k | Added +17.7k |
| Perritt Capital Management Inc 0.37% of their portfolio | 130.0k $679.9k | Added +5.0k |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 118.7k $620.7k | Reduced -6.7k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 110.0k $575.3k | Reduced -50.0k |
| STRS OHIO 0.00% of their portfolio | 105.0k $549.0k | Added +96.3k |
| SG Americas Securities, LLC 0.00% of their portfolio | 104.2k $545.0k | Reduced -37.2k |
| HRT FINANCIAL LP 0.00% of their portfolio | 85.5k $447.0k | Added +61.1k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 85.0k $444.6k | Added +13.5k |
| EARNEST PARTNERS LLC 0.00% of their portfolio | 84.3k $440.8k | Unchanged |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 83.5k $436.7k | Added +27.5k |
| Pacific Ridge Capital Partners, LLC 0.10% of their portfolio | 83.1k $434.4k | Added +151 |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 82.7k $432.4k | Added +46.3k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 82.5k $431.6k | Added +6.3k |
| ALGERT GLOBAL LLC 0.02% of their portfolio | 82.2k $429.6k | Reduced -1.9k |
| BARCLAYS PLC 0.00% of their portfolio | 81.5k $426.3k | Reduced -5.7k |
| Virtu Financial LLC 0.03% of their portfolio | 74.5k $390.0k | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 74.2k $388.0k | Added +23.0k |
| SEI INVESTMENTS CO 0.00% of their portfolio | 70.4k $368.1k | Unchanged |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 62.9k $333.0k | Added +7.1k |
| PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio | 58.9k $308.2k | Reduced -180.4k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 56.3k $294.6k | Reduced -28.7k |
| Campbell & CO Investment Adviser LLC 0.05% of their portfolio | 55.0k $287.6k | New |
| IRONWOOD INVESTMENT MANAGEMENT LLC 0.16% of their portfolio | 53.5k $279.7k | Reduced -662 |
| Walleye Capital LLC 0.00% of their portfolio | 49.4k $258.4k | Reduced -55.4k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 48.5k $253.8k | Unchanged |
| MetLife Investment Management, LLC 0.00% of their portfolio | 46.3k $242.1k | Unchanged |
| UBS Group AG 0.00% of their portfolio | 43.7k $228.7k | Added +10.8k |
| Brandywine Global Investment Management, LLC 0.00% of their portfolio | 40.2k $210.5k | Reduced -40.2k |
| FEDERATED HERMES, INC. 0.00% of their portfolio | 39.7k $207.9k | Reduced -3.1k |
| Aristides Capital LLC 0.12% of their portfolio | 39.0k $203.9k | New |
| CITIGROUP INC 0.00% of their portfolio | 37.9k $198.1k | New |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 37.3k $195.3k | Added +13.6k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 37.1k $194.2k | Added +779 |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 36.6k $191.2k | Reduced -5.1k |
| Quadrature Capital Ltd 0.00% of their portfolio | 36.4k $190.4k | Added +13.9k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 35.5k $185.6k | New |
| Baader Bank Aktiengesellschaft 0.02% of their portfolio | 35.0k $183.1k | New |
| OCCUDO QUANTITATIVE STRATEGIES LP 0.02% of their portfolio | 34.3k $179.3k | Added +12.6k |
| Jump Financial, LLC 0.01% of their portfolio | 33.2k $173.7k | Reduced -1.5k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 33.1k $173.1k | Reduced -2.3k |
| Kathmere Capital Management, LLC 0.03% of their portfolio | 32.8k $171.8k | New |
| CAXTON ASSOCIATES LP 0.02% of their portfolio | 31.4k $164.3k | Unchanged |
| Terril Brothers, Inc. 0.07% of their portfolio | 31.0k $162.1k | Added +12.0k |
| State of Wyoming 0.04% of their portfolio | 29.3k $153.0k | Reduced -25.3k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 28.9k $151.1k | Reduced -24.7k |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.00% of their portfolio | 26.3k $138.0k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 25.3k $132.2k | Reduced -6.8k |
| Simplicity Solutions, LLC 0.00% of their portfolio | 23.8k $124.3k | Reduced -77 |
| Bleakley Financial Group, LLC 0.00% of their portfolio | 23.8k $124.3k | Reduced -77 |
| Cetera Advisors LLC 0.00% of their portfolio | 23.1k $121.1k | Unchanged |
| Quantbot Technologies LP 0.01% of their portfolio | 22.4k $117.1k | Reduced -35.3k |
| MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio | 20.6k $108.0k | Added +1.2k |
| Nebula Research & Development LLC 0.07% of their portfolio | 17.6k $92.0k | Reduced -4.9k |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 15.0k $78.3k | New |
| TWO SIGMA SECURITIES, LLC 0.01% of their portfolio | 15.0k $78.2k | New |
| XTX Topco Ltd 0.01% of their portfolio | 14.9k $78.0k | New |