SNDX
Syndax Pharmaceuticals, Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth -7.7% ·
share flow +4.4% ·
net new positions -8.3%
· 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 | 3 | 0 | 62.74K | $1.14M | n/a | n/a |
| Q2 2026 | 94 | 0 | 57.51M | $1.26B | +9 | −9 |
| Q1 2026 | 97 | +6 | 52.14M | $1.22B | +10 | −4 |
| Q4 2025 | 91 | -3 | 57.71M | $1.21B | n/a | −3 |
| Q3 2025 | 20 | +1 | 39.69M | $610.59M | +1 | n/a |
| Q2 2025 | 16 | +1 | 29.55M | $276.77M | +1 | n/a |
| Q1 2025 | 12 | -1 | 16.71M | $205.25M | n/a | −1 |
| Q4 2024 | 13 | +1 | 16.01M | $211.65M | +1 | n/a |
| Q3 2024 | 11 | -1 | 14.02M | $269.82M | n/a | −1 |
| Q2 2024 | 12 | n/a | 17.35M | $356.12M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Point72 Asset Management ✦ | 4.01M | +109.2% | $49.25M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 3.97M | +1.4% | $48.79M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Citadel Advisors ✦ | 2.91M | +167.5% | $35.81M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 4 | Geode Capital Management ✦ (passive) | 2.02M | +2.5% | $24.86M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 5 | D. E. Shaw & Co. ✦ | 787.59K | +327.8% | $9.68M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Two Sigma Investments ✦ | 780.01K | +16.4% | $9.58M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Renaissance Technologies ✦ | 681.43K | +0.1% | $8.37M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Adage Capital Partners ✦ | 631.64K | +1.6% | $7.76M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Millennium Management ✦ | 428.65K | -26.9% | $5.27M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 377.44K | +478.8% | $4.64M | 0.0% | ▲ Add | 4 | SEC ↗ ×5 |
| 11 | T. Rowe Price ✦ | 66.11K | +15.9% | $813,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | Wellington Management ✦ | 35.96K | -99.2% | $441,793 | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
“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
| Marshall Wace | $166,891 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 244 holders, 99.11M shares, $2.29B 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.