ANAB
AnaptysBio, Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth -15.4% ·
share flow -4.6% ·
net new positions -18.2%
— formula
Broad distribution — falling shares and 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 | 86 | +7 | 13.42M | $905.56M | +13 | −6 |
| Q1 2026 | 82 | +8 | 12.40M | $687.67M | +10 | −2 |
| Q4 2025 | 74 | -1 | 13.98M | $677.76M | — | −1 |
| Q3 2025 | 20 | +1 | 11.93M | $365.35M | +1 | — |
| Q2 2025 | 16 | 0 | 9.08M | $201.48M | +1 | −1 |
| Q1 2025 | 13 | +2 | 6.02M | $111.87M | +2 | — |
| Q4 2024 | 11 | -2 | 3.90M | $51.60M | — | −2 |
| Q3 2024 | 12 | +2 | 2.80M | $93.85M | +2 | — |
| Q2 2024 | 10 | — | 1.82M | $45.55M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.29M | — | $17.02M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | T. Rowe Price ✦ | 925.01K | +0.2% | $12.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | T. Rowe Price ✦ | 925.01K | +0.2% | $12.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 486.60K | +4.5% | $6.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 486.60K | +4.5% | $6.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Two Sigma Investments ✦ | 352.03K | +66.4% | $4.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | D. E. Shaw & Co. ✦ | 197.11K | -12.1% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | D. E. Shaw & Co. ✦ | 197.11K | -12.1% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Renaissance Technologies ✦ | 193.20K | -3.6% | $2.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 173.73K | -15.5% | $2.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | Millennium Management ✦ | 146.52K | -55.8% | $1.94M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | Wellington Management ✦ | 66.47K | +0.8% | $880,023 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Wellington Management ✦ | 66.47K | +0.8% | $880,023 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Fisher Asset Management ✦ | 58.88K | -5.0% | $779,544 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 11.85K | -75.6% | $156,841 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 11.85K | -75.6% | $156,841 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 11.85K | -75.6% | $156,841 | 0.0% | ▼ Trim | 2 | 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
| Point72 Asset Management | $1.82M | was 0.0% |
| Marshall Wace | $300,764 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 205 holders, 28.23M shares, $1.54B 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.