NPKI
NPK International Inc. · Basic Materials · Construction Materials
Momentum inputs (comparable managers):
holder breadth -8.3% ·
share flow +11.4% ·
net new positions -9.1%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| 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 |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 2.39M | +23.8% | $13.91M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 2 | State Street Global Advisors ✦ (passive) | 2.23M | -6.7% | $12.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Renaissance Technologies ✦ | 809.00K | +0.8% | $4.70M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Wellington Management ✦ | 593.23K | +84.8% | $3.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 468.61K | +32.9% | $2.72M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 6 | Fisher Asset Management ✦ | 239.29K | 0.0% | $1.39M | 0.0% | Held | 4 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 181.28K | -32.5% | $1.05M | 0.0% | ▼ Trim | 4 | SEC ↗ ×5 |
| 8 | Millennium Management ✦ | 174.33K | +1075.3% | $1.01M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 95.84K | -17.2% | $556,830 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 82.76K | +50.7% | $480,830 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 48.21K | +5.1% | $281,000 | 0.0% | ▲ Add | 4 | 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
| Adage Capital Partners | $191,750 | 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)
Officer · 2.99K sh · $40,113
Director · 10.00K sh · $134,917
Director · 2.01K sh · $28,705
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology