SLDB
Solid Biosciences Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth +10.0% ·
share flow +30.0% ·
net new positions +9.1%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 72 | +6 | 45.63M | $455.47M | +9 | −3 |
| Q1 2026 | 69 | 0 | 38.87M | $279.42M | +3 | −3 |
| Q4 2025 | 68 | +2 | 30.07M | $169.59M | +2 | — |
| Q3 2025 | 17 | +1 | 23.96M | $147.82M | +1 | — |
| Q2 2025 | 13 | -1 | 26.02M | $126.70M | +1 | −2 |
| Q1 2025 | 11 | +1 | 11.02M | $40.79M | +3 | −2 |
| Q4 2024 | 10 | -1 | 4.93M | $19.74M | +1 | −2 |
| Q3 2024 | 10 | +1 | 5.36M | $37.37M | +1 | — |
| Q2 2024 | 9 | — | 5.20M | $29.49M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners ✦ | 6.73M | +285.0% | $24.90M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | Citadel Advisors ✦ | 1.89M | +98.8% | $6.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Citadel Advisors ✦ | 1.89M | +98.8% | $6.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Millennium Management ✦ | 534.56K | -25.7% | $1.98M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 530.86K | +4.1% | $1.96M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 530.86K | +4.1% | $1.96M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | State Street Global Advisors ✦ (passive) | 436.28K | +0.9% | $1.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Marshall Wace ✦ | 336.32K | +85.3% | $1.24M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Marshall Wace ✦ | 336.32K | +85.3% | $1.24M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | Point72 Asset Management ✦ | 201.42K | New | $745,250 | 0.0% | New | 1 | SEC ↗ |
| 11 | Renaissance Technologies ✦ | 175.40K | +112.6% | $648,980 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 113.10K | New | $418,468 | 0.0% | New | 1 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 113.10K | New | $418,468 | 0.0% | New | 1 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 113.10K | New | $418,468 | 0.0% | New | 1 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 113.10K | New | $418,468 | 0.0% | New | 1 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 113.10K | New | $418,468 | 0.0% | New | 1 | SEC ↗ |
| 17 | Two Sigma Investments ✦ | 69.49K | -49.0% | $257,128 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 11.56K | New | $43,000 | 0.0% | New | 1 | 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 | $745,250 | 0.0% |
| AQR Capital Management | $418,468 | 0.0% |
| AQR Capital Management | $418,468 | 0.0% |
| AQR Capital Management | $418,468 | 0.0% |
| AQR Capital Management | $418,468 | 0.0% |
| AQR Capital Management | $418,468 | 0.0% |
| T. Rowe Price | $43,000 | 0.0% |
Exited
| Wellington Management | $498,204 | was 0.0% |
| D. E. Shaw & Co. | $207,888 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 137 holders, 96.05M shares, $689.27M 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.