KPTI
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -9.1% ·
share flow +9.1% ·
net new positions -10.0%
— formula
Concentrated accumulation — rising shares among 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 | 44 | +9 | 9.58M | $93.71M | +14 | −5 |
| Q1 2026 | 35 | +2 | 5.82M | $32.39M | +7 | −5 |
| Q4 2025 | 33 | +1 | 2.81M | $20.64M | +2 | −1 |
| Q3 2025 | 12 | -2 | 1.46M | $9.53M | — | −2 |
| Q2 2025 | 11 | +1 | 1.75M | $7.53M | +1 | — |
| Q1 2025 | 7 | -3 | 1.00M | $3.75M | — | −3 |
| Q4 2024 | 10 | -1 | 16.45M | $11.13M | — | −1 |
| Q3 2024 | 10 | 0 | 14.64M | $12.15M | — | — |
| Q2 2024 | 10 | — | 15.87M | $13.77M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners ✦ | 6.32M | +46.3% | $4.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | Citadel Advisors ✦ | 3.10M | 0.0% | $2.10M | 0.0% | Held | 3 | SEC ↗ |
| 3 | Citadel Advisors ✦ | 3.10M | 0.0% | $2.10M | 0.0% | Held | 3 | SEC ↗ |
| 4 | Marshall Wace ✦ | 2.40M | +15.3% | $1.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Marshall Wace ✦ | 2.40M | +15.3% | $1.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Marshall Wace ✦ | 2.40M | +15.3% | $1.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 1.39M | +2.7% | $941,867 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | Geode Capital Management ✦ (passive) | 1.39M | +2.7% | $941,867 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | Renaissance Technologies ✦ | 1.20M | -3.1% | $813,312 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Millennium Management ✦ | 1.15M | -8.0% | $780,730 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | State Street Global Advisors ✦ (passive) | 442.51K | — | $299,270 | 0.0% | n/c | 1 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 229.69K | -78.1% | $155,336 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | Two Sigma Investments ✦ | 137.79K | +60.4% | $93,185 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | T. Rowe Price ✦ | 64.30K | -52.3% | $44,000 | 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
| AQR Capital Management | $10,143 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 70.00K shares, $389 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.