Security record · archived quarter
SLDB
Solid Biosciences Inc. · Healthcare · Biotechnology
17Tracked holders
+1Δ holders
23.96MShares held
$147.82MReported value
+1New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +6.2% ·
share flow -11.3% ·
net new positions +5.9%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| 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 | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.73M | -4.0% | $29.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.73M | -4.0% | $29.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.73M | -4.0% | $29.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.73M | -4.0% | $29.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.73M | -4.0% | $29.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.73M | -4.0% | $29.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.73M | -4.0% | $29.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.73M | -4.0% | $29.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.73M | -4.0% | $29.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | Adage Capital Partners ✦ | 4.00M | -40.6% | $24.68M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 11 | The Vanguard Group ✦ (passive) | 3.08M | -8.4% | $19.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | The Vanguard Group ✦ (passive) | 3.08M | -8.4% | $19.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | The Vanguard Group ✦ (passive) | 3.08M | -8.4% | $19.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | Fidelity (FMR) ✦ | 2.91M | -8.3% | $17.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Fidelity (FMR) ✦ | 2.91M | -8.3% | $17.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | Citadel Advisors ✦ | 2.59M | +2.8% | $16.00M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 17 | Citadel Advisors ✦ | 2.59M | +2.8% | $16.00M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 18 | Point72 Asset Management ✦ | 1.33M | +5.3% | $8.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passive) | 1.29M | -14.8% | $7.94M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 1.29M | -14.8% | $7.94M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 21 | State Street Global Advisors ✦ (passive) | 1.09M | +14.9% | $6.75M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | Millennium Management ✦ | 909.70K | -17.2% | $5.61M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 23 | Goldman Sachs Group ✦ | 676.63K | — | $4.17M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Goldman Sachs Group ✦ | 676.63K | — | $4.17M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Renaissance Technologies ✦ | 463.70K | New | $2.86M | 0.0% | New | 1 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 257.85K | — | $1.59M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 257.85K | — | $1.59M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 257.85K | — | $1.59M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 257.85K | — | $1.59M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 257.85K | — | $1.59M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 257.85K | — | $1.59M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Morgan Stanley ✦ | 257.85K | — | $1.59M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Wellington Management ✦ | 226.40K | +66.8% | $1.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Wellington Management ✦ | 226.40K | +66.8% | $1.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Wellington Management ✦ | 226.40K | +66.8% | $1.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Two Sigma Investments ✦ | 155.85K | -10.4% | $961,595 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 131.06K | +0.8% | $808,622 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 131.06K | +0.8% | $808,622 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 131.06K | +0.8% | $808,622 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 131.06K | +0.8% | $808,622 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 71.41K | — | $440,574 | 0.0% | n/c | 1 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 71.41K | — | $440,574 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 71.41K | — | $440,574 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 71.41K | — | $440,574 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 71.41K | — | $440,574 | 0.0% | n/c | 1 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 71.41K | — | $440,574 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | T. Rowe Price ✦ | 35.09K | +6.1% | $217,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $2.86M | 0.0% |
Exited
| No tracked exits this quarter. |
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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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