SNDX
Syndax Pharmaceuticals, Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth +8.3% ·
share flow -10.7% ·
net new positions +7.7%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 62.71K | $1.14M | n/a | −1 |
| Q2 2026 | 93 | 0 | 57.47M | $1.26B | +9 | −10 |
| 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 | Wellington Management ✦ | 4.23M | -15.1% | $55.98M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 2 | State Street Global Advisors ✦ (passive) | 3.92M | n/a | $51.79M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.97M | -0.2% | $26.09M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 4 | Point72 Asset Management ✦ | 1.92M | -31.1% | $25.33M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 1.09M | +3103.4% | $14.41M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 6 | Renaissance Technologies ✦ | 680.97K | New | $9.00M | 0.0% | New | 1 | SEC ↗ |
| 7 | Two Sigma Investments ✦ | 669.82K | -24.4% | $8.86M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | Adage Capital Partners ✦ | 621.84K | -23.9% | $8.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Millennium Management ✦ | 586.81K | -47.6% | $7.76M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 184.12K | -47.8% | $2.43M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 11 | AQR Capital Management ✦ | 65.21K | +156.6% | $862,116 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 12 | T. Rowe Price ✦ | 57.02K | +16.5% | $754,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Marshall Wace ✦ | 12.62K | -98.7% | $166,891 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $9.00M | 0.0% |
Exited
| No tracked exits this quarter. |
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.