ADPT
Adaptive Biotechnologies Corporation · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth +14.3% ·
share flow -2.5% ·
net new positions +12.5%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 107 | 0 | 115.06M | $2.46B | +6 | −6 |
| Q1 2026 | 110 | +7 | 111.61M | $1.55B | +11 | −4 |
| Q4 2025 | 102 | 0 | 114.72M | $1.86B | +1 | −1 |
| Q3 2025 | 21 | +2 | 74.70M | $1.12B | +2 | — |
| Q2 2025 | 16 | +2 | 70.34M | $819.50M | +2 | — |
| Q1 2025 | 11 | 0 | 46.91M | $348.49M | +2 | −2 |
| Q4 2024 | 11 | -1 | 53.01M | $317.80M | — | −1 |
| Q3 2024 | 11 | +2 | 55.08M | $282.02M | +2 | — |
| Q2 2024 | 9 | — | 54.39M | $196.88M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Viking Global Investors ✦ | 29.99M | 0.0% | $349.43M | 1.0% | Held | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 13.67M | — | $159.22M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 11.28M | — | $131.40M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 11.28M | — | $131.40M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 11.28M | — | $131.40M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 11.28M | — | $131.40M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 11.28M | — | $131.40M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | ARK Investment Management ✦ | 4.02M | -48.1% | $46.79M | 0.3% | ▼ Trim | 5 | SEC ↗ |
| 23 | Geode Capital Management ✦ (passive) | 3.22M | +15.6% | $37.46M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | Geode Capital Management ✦ (passive) | 3.22M | +15.6% | $37.46M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 25 | State Street Global Advisors ✦ (passive) | 3.03M | +12.6% | $35.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | Point72 Asset Management ✦ | 1.37M | New | $16.01M | 0.0% | New | 1 | SEC ↗ |
| 27 | Millennium Management ✦ | 1.01M | -66.1% | $11.82M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 28 | Citadel Advisors ✦ | 800.69K | +454.7% | $9.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 29 | D. E. Shaw & Co. ✦ | 608.28K | New | $7.09M | 0.0% | New | 1 | SEC ↗ |
| 30 | AQR Capital Management ✦ | 432.40K | +39.4% | $5.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 432.40K | +39.4% | $5.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 432.40K | +39.4% | $5.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 432.40K | +39.4% | $5.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 432.40K | +39.4% | $5.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 35 | Arrowstreet Capital ✦ | 379.12K | +728.8% | $4.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Fidelity (FMR) ✦ | 291.11K | — | $3.39M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Fidelity (FMR) ✦ | 291.11K | — | $3.39M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Fidelity (FMR) ✦ | 291.11K | — | $3.39M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | T. Rowe Price ✦ | 122.20K | +22.9% | $1.42M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 40 | Gotham Asset Management ✦ | 71.89K | +572.3% | $837,484 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Renaissance Technologies ✦ | 49.90K | -52.9% | $581,335 | 0.0% | ▼ Trim | 5 | 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 | $16.01M | 0.0% |
| D. E. Shaw & Co. | $7.09M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 295 holders, 151.59M shares, $2.01B 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 15.00K sh · $365,850
Director · 15.66K sh · $382,358
Officer, Director · 278.47K sh · $6.82M
Officer, Director · 204 sh · $5,129
Officer, Director · 2.52K sh · $64,564
Director · 15.00K sh · $378,450
Director · 40.00K sh · $1.00M
Director · 69.69K sh · $1.75M
Officer, Director · 318.80K sh · $8.00M
Officer · 3.00K sh · $75,000
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology