BEAM
Beam Therapeutics Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth -9.1% ·
share flow -7.2% ·
net new positions -10.0%
— formula
Broad distribution — falling shares and fewer 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 | 98 | +9 | 71.47M | $2.45B | +12 | −3 |
| Q1 2026 | 92 | +3 | 70.17M | $1.67B | +9 | −6 |
| Q4 2025 | 89 | +3 | 73.41M | $2.04B | +4 | −1 |
| Q3 2025 | 16 | -1 | 52.77M | $1.28B | +1 | −2 |
| Q2 2025 | 14 | 0 | 51.27M | $872.17M | +1 | −1 |
| Q1 2025 | 11 | -2 | 20.67M | $403.69M | — | −2 |
| Q4 2024 | 13 | +2 | 16.59M | $411.47M | +3 | −1 |
| Q3 2024 | 10 | -1 | 11.89M | $291.41M | — | −1 |
| Q2 2024 | 11 | — | 12.82M | $300.27M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | ARK Investment Management ✦ | 6.53M | -14.4% | $160.01M | 1.5% | ▼ Trim | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.81M | +4.5% | $44.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.81M | +4.5% | $44.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Citadel Advisors ✦ | 1.50M | +94.5% | $36.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 1.50M | +94.5% | $36.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 1.49M | +6.7% | $36.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 1.49M | +6.7% | $36.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Baillie Gifford ✦ | 357.70K | -42.6% | $8.76M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | Baillie Gifford ✦ | 357.70K | -42.6% | $8.76M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | Baillie Gifford ✦ | 357.70K | -42.6% | $8.76M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | Millennium Management ✦ | 81.72K | +1.1% | $2.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 66.82K | -44.7% | $1.64M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Wellington Management ✦ | 39.00K | -9.5% | $955,403 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | Wellington Management ✦ | 39.00K | -9.5% | $955,403 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Wellington Management ✦ | 39.00K | -9.5% | $955,403 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | Wellington Management ✦ | 39.00K | -9.5% | $955,403 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | Norges Bank ✦ (passive) | 18.59K | -95.5% | $455,480 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 8.84K | -1.9% | $216,629 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 8.84K | -1.9% | $216,629 | 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
| D. E. Shaw & Co. | $204,333 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 248 holders, 107.79M shares, $2.49B 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.