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