NPK InternationalNPKI
13F holders, Q1 2026 (March 31)246holders +5
33new positions
26sold out
7famous investors
$14.48avg. 13F price*
At the end of Q1 2026, 246 institutions reported holding NPK International Inc. (NPKI) in their 13F filings, up 5 from Q4 2025. 33 opened new positions and 26 sold out. The largest holders were BlackRock, Inc. ($104.4M), Ameriprise Financial Inc. ($81.5M) and Dimensional Fund Advisors LP ($57.7M). 7 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- NPK International Inc.
- CUSIP
- 651718504
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 33 | $46.6M |
| Exits | 26 | $25.3M |
All 13F filers, Q4 2025 → Q1 2026: 9,266,812 shares bought and 8,147,563 shares sold, net +1,119,249 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 246 holders
| BlackRock, Inc. | 0.00% | Add +4.1% | 7,202,705 | $104.4M |
| Ameriprise Financial Inc. | 0.02% | Add +8.9% | 5,623,552 | $81.5M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -10.8% | 3,983,658 | $57.7M |
| Vanguard Capital Management LLC | 0.00% | — | 3,424,942 | $49.6M |
| American Century Companies Inc. | 0.02% | Reduce -0.9% | 3,043,763 | $44.1M |
| Wasatch Advisors LP | 0.28% | Add +30.8% | 2,899,021 | $42.0M |
| Geode Capital Management, LLC | 0.00% | Add +13.5% | 2,244,164 | $32.5M |
| Royce & Associates LP | 0.30% | Reduce -5.2% | 2,071,010 | $30.0M |
| State Street Corp. | 0.00% | Reduce -1.1% | 1,955,319 | $28.3M |
| Morgan Stanley | 0.00% | Add +7.7% | 1,823,060 | $26.4M |
| Punch & Associates Investment Management, Inc. | 1.54% | Reduce -1.8% | 1,818,790 | $26.4M |
| Russell Investments Group, Ltd. | 0.03% | Reduce -8.2% | 1,726,243 | $25.0M |
| Prudential Financial Inc. | 0.03% | Reduce -12.1% | 1,686,629 | $24.4M |
| Thrivent Financial for Lutherans | 0.05% | Add +4.9% | 1,665,623 | $24.1M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +46.3% | 1,539,088 | $22.3M |
| Loomis Sayles & Co. L P | 0.02% | Reduce -8.5% | 1,177,993 | $17.1M |
| Allianz Asset Management GmbH | 0.02% | Add +130.7% | 1,156,530 | $16.8M |
| Qube Research & Technologies Ltd | 0.02% | Add +47.9% | 1,140,585 | $16.5M |
| Electron Capital Partners, LLC | 0.75% | New | 1,099,943 | $15.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -5.9% | 1,095,601 | $15.9M |
| Nuveen, LLC | 0.00% | Reduce -4.0% | 1,073,065 | $15.5M |
| Two Sigma Investments, LP | 0.01% | Add +110.0% | 1,060,904 | $15.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +43.9% | 1,011,689 | $14.7M |
| Northern Trust Corp. | 0.00% | Add +2.6% | 968,501 | $14.0M |
| Vanguard Portfolio Management LLC | 0.00% | — | 861,467 | $12.5M |
| Sei Investments Co. | 0.01% | Add +121.6% | 837,157 | $12.1M |
| Tieton Capital Management, LLC | 4.06% | Add +4.4% | 835,920 | $12.1M |
| Axiom Investors LLC | 0.12% | New | 737,325 | $10.7M |
| Ancora Advisors LLC | 0.22% | Reduce -24.1% | 727,350 | $10.5M |
| Panagora Asset Management Inc. | 0.04% | Add +1.2% | 677,552 | $9.8M |
| Cannell Capital LLC | 6.16% | Reduce -30.4% | 654,689 | $9.5M |
| Silvercrest Asset Management Group LLC | 0.06% | Reduce -9.9% | 605,269 | $8.8M |
| ArrowMark Colorado Holdings LLC | 0.22% | Reduce -42.1% | 566,395 | $8.2M |
| First Sabrepoint Capital Management LP | 3.26% | Reduce -15.4% | 550,000 | $8.0M |
| Rice Hall James & Associates, LLC | 0.44% | Reduce -0.8% | 545,077 | $7.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 536,003 | $7.8M |
| Uniplan Investment Counsel, Inc. | 0.81% | Reduce -6.0% | 527,684 | $7.6M |
| Oberweis Asset Management Inc./ | 0.22% | Add +1.9% | 518,150 | $7.5M |
| Asset Management One Co., Ltd. | 0.02% | New | 505,520 | $7.3M |
| Granahan Investment Management, LLC | 0.28% | Reduce -30.8% | 401,658 | $5.8M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Reduce -20.1% | 381,438 | $5.5M |
| Paragon Associates & Paragon Associates II Joint Venture | 7.38% | Reduce -6.3% | 375,000 | $5.4M |
| Algert Global LLC | 0.08% | Reduce -52.8% | 370,908 | $5.4M |
| Renaissance Technologies | 0.01% | Reduce -30.3% | 362,167 | $5.2M |
| Calamos Advisors LLC | 0.03% | Reduce -1.1% | 353,627 | $5.1M |
| Marathon Capital Management | 1.13% | Reduce -3.2% | 346,110 | $5.0M |
| Jane Street Group, LLC | 0.01% | Add +4.2% | 337,699 | $4.9M |
| OP Asset Management Ltd | 0.05% | Add +219.8% | 333,418 | $4.8M |
| UBS Group AG | 0.00% | Add +8.4% | 312,551 | $4.5M |
| Point72 Asset Management | 0.01% | Reduce -43.4% | 304,183 | $4.4M |
| First Eagle Investment Management, LLC | 0.01% | Add +3.2% | 273,821 | $4.0M |
| Roubaix Capital, LLC | 1.83% | Reduce -53.1% | 269,935 | $3.9M |
| Invesco Ltd. | 0.00% | Add +48.9% | 268,451 | $3.9M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.8% | 266,284 | $3.9M |
| Wellington Management Group LLP | 0.00% | Reduce -47.8% | 264,617 | $3.8M |
| AQR Capital Management | 0.00% | Add +38.3% | 241,315 | $3.5M |
| Bank of America Corp. | 0.00% | Add +21.4% | 240,022 | $3.5M |
| Fisher Asset Management | 0.00% | Add +0.5% | 233,017 | $3.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -9.9% | 207,952 | $3.0M |
| Kennedy Capital Management LLC | 0.06% | Add +1.8% | 187,651 | $2.7M |
| Harbor Capital Advisors, Inc. | 0.22% | Reduce -15.1% | 185,603 | $2.7M |
| Raymond James Financial Inc. | 0.00% | Reduce -1.9% | 180,137 | $2.6M |
| 1492 Capital Management LLC | 0.97% | Reduce -0.9% | 176,003 | $2.6M |
| Swiss National Bank | 0.00% | No change | 166,600 | $2.4M |
| Skylands Capital, LLC | 0.31% | Reduce -3.2% | 164,300 | $2.4M |
| Gilder Gagnon Howe & Co. LLC | 0.03% | Reduce -5.7% | 160,596 | $2.3M |
| Millennium Management | 0.00% | Add +49.2% | 158,892 | $2.3M |
| Lazard Asset Management LLC | 0.00% | Reduce -33.2% | 158,527 | $2.3M |
| Riverwater Partners LLC | 0.75% | Reduce -1.7% | 155,150 | $2.2M |
| Campbell & CO Investment Adviser LLC | 0.12% | Add +65.7% | 144,002 | $2.1M |
| Ironwood Investment Management LLC | 0.85% | Reduce -0.9% | 140,616 | $2.0M |
| Engineers Gate Manager LP | 0.03% | Add +34.9% | 138,946 | $2.0M |
| Squarepoint Ops LLC | 0.00% | Add +135.4% | 138,068 | $2.0M |
| ExodusPoint Capital Management, LP | 0.02% | New | 135,822 | $2.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +1.7% | 129,633 | $1.9M |
| Panoramic Capital, LLC | 1.30% | Reduce -37.0% | 127,754 | $1.9M |
| Jump Financial, LLC | 0.03% | Reduce -47.8% | 124,975 | $1.8M |
| Man Group plc | 0.00% | Add +97.0% | 124,779 | $1.8M |
| North Star Investment Management Corp. | 0.11% | New | 120,000 | $1.7M |
| Rhumbline Advisers | 0.00% | Reduce -4.9% | 117,604 | $1.7M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Add +4.4% | 110,282 | $1.6M |
| Franklin Resources Inc. | 0.00% | Add +0.4% | 105,147 | $1.5M |
| Principal Financial Group Inc. | 0.00% | Reduce -9.9% | 104,255 | $1.5M |
| Crown Advisors Management, Inc. | 0.96% | New | 100,000 | $1.4M |
| D. E. Shaw & Co. | 0.00% | Reduce -52.0% | 97,042 | $1.4M |
| SG Americas Securities, LLC | 0.00% | Add +143.3% | 95,553 | $1.4M |
| Dark Forest Capital Management LP | 0.12% | New | 93,702 | $1.4M |
| Round Rock Advisors LLC | 0.21% | Add +0.4% | 92,505 | $1.3M |
| Gsa Capital Partners LLP | 0.08% | Reduce -26.9% | 83,974 | $1.2M |
| State of Wisconsin Investment Board | 0.00% | Reduce -12.3% | 82,388 | $1.2M |
| California State Teachers Retirement System | 0.00% | Reduce -0.8% | 80,217 | $1.2M |
| Deutsche Bank AG | 0.00% | Add +11.1% | 77,378 | $1.1M |
| Citigroup Inc. | 0.00% | Add +3205.5% | 77,283 | $1.1M |
| Pinnacle Associates Ltd. | 0.01% | Add +14.8% | 76,516 | $1.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +21.1% | 74,766 | $1.1M |
| Quantbot Technologies LP | 0.04% | Add +6.9% | 74,527 | $1.1M |
| Rothschild Investment LLC | 0.05% | Reduce -31.9% | 69,027 | $1.0M |
| Penbrook Management LLC | 0.74% | No change | 67,250 | $974K |
| Sigma Planning Corp | 0.02% | New | 60,000 | $869K |
| Citadel Advisors | 0.00% | Reduce -75.3% | 59,689 | $865K |
"% of holder's portfolio" is NPKI's weight in each manager's 13F, not the share of NPK International Inc. the manager owns.