NPKI
NPK International Inc. · Basic Materials · Construction Materials
Momentum inputs (comparable managers):
holder breadth -20.0% ·
share flow -16.2% ·
net new positions -20.0%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 93 | -1 | 51.06M | $809.91M | +7 | −8 |
| Q1 2026 | 97 | +6 | 50.65M | $733.19M | +8 | −2 |
| Q4 2025 | 91 | 0 | 49.35M | $588.29M | — | — |
| Q3 2025 | 19 | +1 | 22.13M | $250.25M | +1 | — |
| Q2 2025 | 15 | +1 | 18.80M | $160.00M | +1 | — |
| Q1 2025 | 11 | -1 | 7.32M | $42.53M | — | −1 |
| Q4 2024 | 12 | -3 | 6.57M | $50.39M | — | −3 |
| Q3 2024 | 14 | +1 | 5.44M | $37.72M | +1 | — |
| Q2 2024 | 13 | — | 6.23M | $51.78M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 2.40M | — | $18.37M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.93M | -0.4% | $14.83M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.93M | -0.4% | $14.83M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Renaissance Technologies ✦ | 802.82K | -6.6% | $6.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 352.50K | +104.2% | $2.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Wellington Management ✦ | 320.93K | -41.9% | $2.46M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 268.44K | -59.1% | $2.06M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 268.44K | -59.1% | $2.06M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 268.44K | -59.1% | $2.06M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Fisher Asset Management ✦ | 239.29K | 0.0% | $1.84M | 0.0% | Held | 3 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 115.72K | -53.8% | $887,580 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 54.93K | -36.2% | $421,290 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 45.87K | +15.6% | $352,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Adage Capital Partners ✦ | 25.00K | 0.0% | $191,750 | 0.0% | Held | 3 | SEC ↗ |
| 15 | Millennium Management ✦ | 14.83K | -73.3% | $113,761 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Arrowstreet Capital | $3.70M | was 0.0% |
| Gotham Asset Management | $124,705 | was 0.0% |
| Marshall Wace | $83,458 | 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.
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)
Director · 2.01K sh · $28,705
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology