Security record · archived quarter
SNDX
Syndax Pharmaceuticals, Inc. · Healthcare · Biotechnology
2Tracked holders
0Δ holders
62.71KShares held
$1.14MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 62.71K | $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 |
Who holds it · Q3 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | 41.74K | -50.0% | $784,656 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | Wealth Enhancement Advisory… | 20.97K | +5.1% | $354,461 | 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
| 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.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2026 ·
Methodology ·
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