PHAT
Phathom Pharmaceuticals, Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +30.0% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 70 | +3 | 31.41M | $340.87M | +8 | −5 |
| Q1 2026 | 70 | +3 | 28.31M | $314.61M | +9 | −6 |
| Q4 2025 | 67 | +2 | 22.91M | $380.11M | +2 | — |
| Q3 2025 | 13 | +2 | 15.27M | $179.73M | +2 | — |
| Q2 2025 | 8 | -4 | 10.36M | $99.34M | — | −4 |
| Q1 2025 | 9 | 0 | 3.37M | $21.12M | — | — |
| Q4 2024 | 9 | 0 | 2.95M | $23.99M | +2 | −2 |
| Q3 2024 | 8 | +2 | 2.05M | $37.04M | +3 | −1 |
| Q2 2024 | 6 | — | 1.55M | $15.95M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 862.92K | +7.1% | $15.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 862.92K | +7.1% | $15.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Point72 Asset Management ✦ | 439.82K | New | $7.95M | 0.0% | New | 1 | SEC ↗ |
| 4 | Citadel Advisors ✦ | 220.40K | +179.6% | $3.98M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 220.40K | +179.6% | $3.98M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Wellington Management ✦ | 173.38K | -23.5% | $3.13M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Wellington Management ✦ | 173.38K | -23.5% | $3.13M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Two Sigma Investments ✦ | 154.03K | -49.2% | $2.78M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | D. E. Shaw & Co. ✦ | 143.71K | New | $2.60M | 0.0% | New | 1 | SEC ↗ |
| 10 | Millennium Management ✦ | 32.93K | New | $595,338 | 0.0% | New | 1 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 21.05K | +2.3% | $381,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $7.95M | 0.0% |
| D. E. Shaw & Co. | $2.60M | 0.0% |
| Millennium Management | $595,338 | 0.0% |
Exited
| Marshall Wace | $1.16M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 173 holders, 68.60M shares, $741.84M 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.