Security record · archived quarter
NPKI
NPK International Inc. · Basic Materials · Construction Materials
97Tracked holders
+6Δ holders
50.65MShares held
$733.19MReported value
+8New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth +6.6% ·
share flow +5.4% ·
net new positions +6.2%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 44.30K | $51,327 | n/a | n/a |
| Q2 2026 | 93 | -1 | 50.52M | $802.92M | +7 | −8 |
| Q1 2026 | 97 | +6 | 50.65M | $733.19M | +8 | −2 |
| Q4 2025 | 91 | 0 | 49.35M | $588.29M | n/a | n/a |
| Q3 2025 | 19 | +1 | 22.13M | $250.25M | +1 | n/a |
| Q2 2025 | 15 | +1 | 18.80M | $160.00M | +1 | n/a |
| Q1 2025 | 11 | -1 | 7.32M | $42.53M | n/a | −1 |
| Q4 2024 | 12 | -3 | 6.57M | $50.39M | n/a | −3 |
| Q3 2024 | 14 | +1 | 5.44M | $37.72M | +1 | n/a |
| Q2 2024 | 13 | n/a | 6.23M | $51.78M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 7.20M | +4.1% | $104.37M | 0.0% | ▲ Add | 4 | SEC ↗ ×15 |
| 2 | Ameriprise Financial Inc | 5.62M | +8.9% | $81.49M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 3 | Dimensional Fund Advisors Lp | 3.98M | -10.8% | $57.72M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 4 | Vanguard Capital Management Llc | 3.42M | n/a | $49.63M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | American Century Companies Inc | 3.04M | -0.9% | $44.10M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 2.24M | +13.5% | $32.52M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 7 | State Street Global Advisors ✦ (passive) | 1.96M | -1.1% | $28.33M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 8 | Morgan Stanley ✦ | 1.82M | +7.7% | $26.42M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 9 | Russell Investments Group, Ltd. | 1.73M | -8.2% | $25.01M | 0.0% | ▼ Trim | 2 | SEC ↗ ×10 |
| 10 | Prudential Financial Inc | 1.69M | -12.1% | $24.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 11 | Arrowstreet Capital ✦ | 1.54M | +46.3% | $22.30M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | Loomis Sayles & Co L P | 1.18M | -8.5% | $17.07M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 13 | Allianz Asset Management GmbH | 1.16M | +130.7% | $16.76M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 14 | Qube Research & Technologies Ltd | 1.14M | +47.9% | $16.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Charles Schwab Investment… | 1.10M | -5.9% | $15.88M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | Nuveen, LLC | 1.07M | -4.0% | $15.55M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 17 | Two Sigma Investments ✦ | 1.06M | +110.0% | $15.37M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 18 | Goldman Sachs Group ✦ | 1.01M | +43.9% | $14.66M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 19 | Northern Trust Corp | 968.50K | +2.6% | $14.03M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 20 | Sei Investments Co | 837.16K | +121.6% | $12.13M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 21 | Asset Management One Co., Ltd. | 505.52K | New | $7.32M | 0.0% | New | 1 | SEC ↗ |
| 22 | Renaissance Technologies ✦ | 362.17K | -30.3% | $5.25M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 23 | Jane Street Group, Llc | 337.70K | +4.2% | $4.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 24 | UBS Group AG | 312.55K | +8.4% | $4.53M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 25 | Point72 Asset Management ✦ | 304.18K | -43.4% | $4.41M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | First Eagle Investment Management… | 273.82K | +3.2% | $3.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Invesco Ltd. | 268.45K | +48.9% | $3.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 28 | Bank of New York Mellon Corp | 266.28K | -0.8% | $3.86M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 29 | Wellington Management ✦ | 264.62K | -47.8% | $3.83M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 30 | AQR Capital Management ✦ | 241.31K | +38.3% | $3.50M | 0.0% | ▲ Add | 8 | SEC ↗ ×7 |
| 31 | Bank Of America Corp /De/ | 240.02K | +21.4% | $3.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Fisher Asset Management ✦ | 233.02K | +0.5% | $3.38M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 207.95K | -9.9% | $2.96M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 34 | Raymond James Financial Inc | 180.14K | -1.9% | $2.61M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 35 | Swiss National Bank | 166.60K | 0.0% | $2.41M | 0.0% | Held | 2 | SEC ↗ |
| 36 | Millennium Management ✦ | 158.89K | +49.2% | $2.30M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 37 | Lazard Asset Management Llc | 158.53K | -33.2% | $2.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 38 | Squarepoint Ops LLC | 138.07K | +135.4% | $2.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | UBS AM, a distinct business unit of… | 129.63K | +1.7% | $1.88M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 40 | Man Group plc | 124.78K | +97.0% | $1.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Rhumbline Advisers | 117.60K | -4.9% | $1.70M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 42 | Franklin Resources Inc | 105.15K | +0.4% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 43 | Principal Financial Group Inc | 104.25K | -9.9% | $1.51M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 44 | D. E. Shaw & Co. ✦ | 97.04K | -52.0% | $1.41M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 45 | State Of Wisconsin Investment Board | 82.39K | -12.2% | $1.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | California State Teachers… | 80.22K | -0.8% | $1.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 47 | Deutsche Bank Ag\ | 77.38K | +11.1% | $1.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Citigroup Inc | 77.28K | +3205.5% | $1.12M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 49 | T. Rowe Price ✦ | 74.77K | +21.1% | $1.08M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 50 | Citadel Advisors ✦ | 59.69K | -75.3% | $864,894 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 51 | Alliancebernstein L.P. | 69.62K | -24.3% | $829,894 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Marshall Wace ✦ | 54.12K | New | $784,156 | 0.0% | New | 1 | SEC ↗ ×2 |
| 53 | Legal & General Group Plc | 53.79K | -30.1% | $779,461 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 54 | Hsbc Holdings Plc | 52.55K | +86.1% | $764,062 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Creative Planning | 52.16K | +12.2% | $755,775 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Susquehanna International Group, Llp | 51.48K | +55.7% | $745,902 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | State Board Of Administration Of… | 48.62K | 0.0% | $704,533 | 0.0% | Held | 2 | SEC ↗ |
| 58 | Boston Partners | 47.11K | -10.3% | $682,640 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Wells Fargo & Company/Mn | 44.72K | -56.5% | $648,007 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 60 | Canada Pension Plan Investment Board | 40.00K | +349.4% | $579,600 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Bnp Paribas Financial Markets | 39.94K | -11.0% | $578,702 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 38.46K | +0.8% | $557,271 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Manufacturers Life Insurance… | 37.49K | +50.4% | $543,274 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Janus Henderson Group Plc | 37.00K | 0.0% | $536,870 | 0.0% | Held | 2 | SEC ↗ |
| 65 | Connor, Clark & Lunn Investment… | 36.81K | New | $533,406 | 0.0% | New | 1 | SEC ↗ |
| 66 | Hrt Financial Lp | 32.25K | New | $467,000 | 0.0% | New | 1 | SEC ↗ |
| 67 | Zurcher Kantonalbank (Zurich… | 29.65K | +87.1% | $429,686 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Mercer Global Advisors Inc /Adv | 29.27K | +20.2% | $424,195 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Quantinno Capital Management LP | 26.53K | +22.5% | $384,376 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | Barclays Plc | 23.18K | -83.6% | $335,935 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 71 | Cetera Investment Advisers | 22.35K | +6.5% | $323,909 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | New York State Common Retirement… | 20.19K | 0.0% | $292,539 | 0.0% | Held | 2 | SEC ↗ |
| 73 | Pictet Asset Management Holding SA | 19.82K | +26.3% | $287,264 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Mariner, LLC | 18.02K | +68.9% | $261,040 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Pnc Financial Services Group, Inc. | 15.20K | -11.9% | $220,234 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 76 | Stifel Financial Corp | 14.86K | +3.0% | $215,250 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 77 | Voya Investment Management Llc | 14.22K | -5.2% | $206,033 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Fidelity (FMR) ✦ | 14.11K | -25.6% | $204,433 | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 79 | Universal- Beteiligungs- und… | 13.85K | New | $200,700 | 0.0% | New | 1 | SEC ↗ |
| 80 | Envestnet Asset Management Inc | 13.73K | +9.1% | $198,904 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Tidal Investments LLC | 13.13K | -3.4% | $190,239 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | ProShare Advisors LLC | 11.90K | -20.5% | $172,416 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Aviva Plc | 10.64K | New | $154,174 | 0.0% | New | 1 | SEC ↗ |
| 84 | Osaic Holdings, Inc. | 8.38K | -10.6% | $121,351 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 85 | Cwm, Llc | 7.41K | +50.7% | $107,400 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Rockefeller Capital Management L.P. | 7.11K | +398.2% | $103,082 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 87 | Fifth Third Bancorp | 5.05K | New | $73,186 | 0.0% | New | 1 | SEC ↗ |
| 88 | Federated Hermes, Inc. | 4.75K | +4.5% | $68,813 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Wealth Enhancement Advisory… | 43.09K | +1299.1% | $54,479 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | BNP Paribas Asset Management… | 2.73K | +172.8% | $39,529 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | Royal Bank Of Canada | 2.40K | -47.8% | $35,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 92 | Group One Trading Llc | 993 | -71.5% | $14,389 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | Optiver Holding B.V. | 366 | -42.6% | $5,303 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 94 | Us Bancorp \De\ | 326 | +16.4% | $4,724 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 95 | Simplex Trading, Llc | 275 | -96.8% | $3,984 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 96 | Jones Financial Companies Lllp | 52 | 0.0% | $760 | 0.0% | Held | 2 | SEC ↗ |
| 97 | Northwestern Mutual Wealth… | 48 | New | $696 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Asset Management One Co., Ltd. | $7.32M | 0.0% |
| Marshall Wace | $784,156 | 0.0% |
| Connor, Clark & Lunn… | $533,406 | 0.0% |
| Hrt Financial Lp | $467,000 | 0.0% |
| Universal- Beteiligungs- und… | $200,700 | 0.0% |
| Aviva Plc | $154,174 | 0.0% |
| Fifth Third Bancorp | $73,186 | 0.0% |
| Northwestern Mutual Wealth… | $696 | 0.0% |
Exited
| Tudor Investment Corp Et Al | $2.68M | was 0.0% |
| Balyasny Asset Management L.P. | $1.31M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 245 holders, 75.81M shares, $1.05B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Sep 09
Warren Matthew James
Officer · 2.99K sh · $40,113
Aug 27
ROBESON ROSE M
Director · 10.00K sh · $134,917
Aug 17
Lewis Michael A
Director · 2.01K sh · $28,705
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 31
SC 13G: VANGUARD CAPITAL MANAGEMENT LLC
Jul 29
SC 13G/A: BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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