SLDB — SOLID BIOSCIENCES INC
As of Q2 2026, 30 SEC-registered investment managers reported holding SLDB (SOLID BIOSCIENCES INC) in their latest 13F filings, with a combined reported value of $284.37M across 28.54M shares. That is +13.1% by share count (+3.31M shares) versus the previous quarter, while reported value moved +56.8%. Ownership is concentrated: the five largest holders account for 77.4% of reported value and the top ten for 91.1%.
Compared with the prior quarter, 2 opened new positions, 20 added to existing stakes, 6 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
SLDB is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| BlackRock Inc history | Q2 2026 | 6.93M | $69.27M | 0.00% | Add |
| Fidelity Management & Research (FMR) history | Q2 2026 | 6.88M | $68.69M | 0.00% | Add |
| Franklin Resources history | Q2 2026 | 3.44M | $34.37M | 0.01% | Add |
| Janus Henderson Group history | Q1 2026 | 4.01M | $28.88M | 0.01% | New |
| Citadel Advisors history | Q2 2026 | 2.85M | $28.43M | 0.00% | Add |
| Vanguard Group history | Q4 2025 | 3.45M | $19.49M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 1.94M | $19.39M | 0.00% | Add |
| Goldman Sachs Group history | Q2 2026 | 1.70M | $17.01M | 0.00% | Add |
| Northern Trust Corp history | Q2 2026 | 603.65K | $6.03M | 0.00% | Add |
| Moore Capital Management history | Q2 2026 | 603.47K | $6.03M | 0.09% | Add |
| Bank of America Corp history | Q2 2026 | 524.10K | $5.24M | 0.00% | Add |
| Point72 Asset Management history | Q2 2026 | 448.01K | $4.48M | 0.01% | Reduce |
| Casdin Capital history | Q1 2025 | 775.00K | $2.87M | 0.23% | New |
| JPMorgan Chase & Co history | Q2 2026 | 281.67K | $2.67M | 0.00% | New |
| Millennium Management history | Q1 2026 | 363.68K | $2.62M | 0.00% | Add |
| Morgan Stanley history | Q2 2026 | 255.19K | $2.55M | 0.00% | Reduce |
| Charles Schwab Investment Management history | Q2 2026 | 244.40K | $2.44M | 0.00% | Add |
| BNY Mellon history | Q2 2026 | 243.15K | $2.43M | 0.00% | Add |
| D. E. Shaw & Co history | Q2 2026 | 222.79K | $2.23M | 0.00% | Add |
| UBS Group AG history | Q2 2026 | 188.35K | $1.88M | 0.00% | Add |
New Positions (Q2 2026)
- JPMorgan Chase & Co 281.67K sh · $2.67M
- Prudential Financial 12.96K sh · $129.52K
Fully Exited (vs previous quarter)
- Janus Henderson Group sold 4.01M sh · $28.88M
- Millennium Management sold 363.68K sh · $2.62M
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 1.60M | 1.86M | 2.15M | 4.92M | 4.73M | 4.87M | 4.96M | 6.93M |
| Fidelity Management & Research (FMR) | 769.80K | 326.30K | 36.86K | 11.85K | 2.30K | — | 300 | 1 | 300 | 6 | — | — | 43.76K | 46.70K | 3.52M | 3.18M | 2.91M | 2.03M | 3.61M | 6.88M |
| Franklin Resources | 76.20K | 76.20K | 76.20K | 51.31K | 145.68K | — | — | — | — | — | — | — | — | — | 1.24M | 1.60M | 1.60M | 1.60M | 2.19M | 3.44M |
| Citadel Advisors | 106.77K | 80.46K | 32.96K | 94.94K | 26.30K | — | 12.15K | — | — | — | 55.83K | 117.81K | 984.06K | 1.01M | 1.96M | 2.58M | 2.63M | 2.69M | 2.65M | 2.85M |
| Geode Capital Management | 1.01M | 1.02M | 1.05M | 627.34K | 630.37K | 39.08K | 41.91K | 89.26K | 102.51K | 93.50K | 237.67K | 513.49K | 504.87K | 509.80K | 530.86K | 1.51M | 1.29M | 1.27M | 1.30M | 1.94M |
| Goldman Sachs Group | 320.44K | 484.67K | 352.41K | 383.02K | 140.06K | — | — | — | — | — | 203.75K | 48.38K | 109.60K | 136.23K | 180.14K | 381.75K | 676.63K | 1.01M | 935.53K | 1.70M |
| Northern Trust Corp | 540.79K | 538.35K | 505.90K | 113.50K | 113.50K | — | 11.06K | 11.43K | 11.43K | 28.26K | 41.91K | 53.37K | 176.18K | 169.10K | 177.90K | 497.34K | 446.52K | 412.78K | 418.20K | 603.65K |
| Moore Capital Management | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 324.75K | 603.47K |
| Bank of America Corp | 125.36K | 67.17K | 52.18K | 50.31K | 34.99K | 2.72K | 2.33K | 2.33K | 2.33K | 3.96K | 30.36K | 72.36K | 44.41K | 83.47K | 36.64K | 824.60K | 790.00K | 344.29K | 386.79K | 524.10K |
| Point72 Asset Management | — | — | — | — | — | — | — | — | — | — | — | 112.78K | 443.01K | — | 201.42K | 1.27M | 1.33M | 2.42M | 2.05M | 448.01K |
| JPMorgan Chase & Co | 22.94K | 77.55K | 41.03K | 4.76K | 6.41K | 133 | 133 | 133 | 133 | 133 | 70.28K | 9.62K | 10.07K | 955.93K | 16.29K | 34.38K | 35.70K | 31.76K | — | 281.67K |
| Morgan Stanley | 91.40K | 361.61K | 122.24K | 158.00K | 100.90K | 4.69K | 4.62K | 4.62K | 4.60K | 4.23K | 22.18K | 56.37K | 65.01K | 77.98K | 353.72K | 235.65K | 257.85K | 394.27K | 261.13K | 255.19K |
| Charles Schwab Investment Management | 150.94K | 150.94K | 126.41K | — | — | — | 10.00K | — | — | — | 10.28K | 63.39K | 63.39K | 63.39K | 68.61K | 211.07K | 162.06K | 161.54K | 160.73K | 244.40K |
| BNY Mellon | 197.93K | 198.32K | 193.39K | 45.86K | 45.86K | — | — | — | — | — | — | 69.11K | 52.07K | 52.07K | 52.31K | 158.35K | 148.66K | 144.70K | 137.94K | 243.15K |
| D. E. Shaw & Co | 19.69K | — | — | — | — | — | — | — | — | — | — | — | — | 51.97K | — | — | — | 128.26K | 128.35K | 222.79K |
| UBS Group AG | 6.11K | 41.51K | 2.50K | 2.50K | 2.50K | 166 | 166 | 193 | 15 | 4.02K | 14.25K | 6.87K | 12.00K | 94.47K | 114.69K | 772.29K | 724.14K | 911.41K | 98.98K | 188.35K |
| Wellington Management Group | — | — | — | — | — | — | — | — | — | — | — | 42.24K | 119.80K | 124.55K | — | 135.76K | 226.40K | 185.68K | 161.28K | 185.37K |
| Balyasny Asset Management | — | — | — | 11.60K | 29.73K | — | — | — | — | — | 23.52K | — | 236.94K | — | 627.27K | 487.12K | 732.61K | 360.94K | 178.25K | 178.25K |
| Citigroup Inc | 7.03K | 25.70K | 5.73K | 2.31K | 1.47K | — | — | — | — | — | 47.71K | 5.04K | 16.61K | 17.66K | 18.08K | 52.37K | 6.19K | 3.51K | 69.38K | 148.43K |
| Invesco Ltd | 23.23K | 18.64K | 19.02K | — | — | — | — | — | — | — | 472.11K | 10.26K | — | 12.24K | 40.18K | 80.37K | 117.37K | 152.13K | 340.94K | 143.44K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details