Solid Biosciences Inc.
SLDB- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001707502
No open-market purchases or sales by Solid Biosciences Inc. insiders were filed in the last 90 days; 157 institutions reported holding it in 13F filings for Q2 2026, worth $1.14B in total; no superinvestor holds it.
Holders of 5% or more of SLDB
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Solid Biosciences Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Perceptive Advisors LLC | 13D/A | 12.90%12.0M shares | −2.70 ppfrom 15.60% | Feb 21, 20252 filings | Mar 11, 2026 | SEC |
| Ra Capital Management, L.P. | 13D/A | 9.90%9.31M shares | 0.00 ppfrom 9.90% | Feb 21, 20254 filings | Mar 17, 2026 | SEC |
| Invus Global Management, LLC | 13G/A | 9.60%7.42M shares | +0.20 ppfrom 9.40% | Feb 12, 20252 filings | Apr 17, 2025 | SEC |
| BCLS SB Investco, LP | 13D/A | 8.80%8.60M shares | +1.00 ppfrom 7.80% | Feb 21, 20252 filings | Mar 10, 2026 | SEC |
| Vestal Point Capital, LP | 13G | 7.50%5.82M shares | +5.20 ppfrom 2.30% | May 15, 20252 filings | Feb 17, 2026 | SEC |
| BlackRock, Inc. | 13G | 6.10%4.71M shares | New | Jul 17, 20251 filing | Jul 17, 2025 | SEC |
| Adage Capital Management, L.P. | 13G/A | 5.14%4.00M shares | −3.54 ppfrom 8.68% | May 12, 20252 filings | Nov 13, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
18 Schedule 13D and 13G filings on Solid Biosciences Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 17, 20266:50 PM ET | Ra Capital Management, L.P.and 3 others | 13D/A | 9.90%9.31M shares | 0.00 ppfrom 9.90% | Mar 13, 2026 | SEC |
| Mar 11, 20264:00 PM ET | Perceptive Advisors LLCand 3 others | 13D/A | 12.90%12.0M shares | −2.70 ppfrom 15.60% | Mar 9, 2026 | SEC |
| Mar 10, 20265:00 PM ET | BCLS SB Investco, LPand 5 others | 13D/A | 8.80%8.60M shares | +1.00 ppfrom 7.80% | Mar 6, 2026 | SEC |
| Mar 10, 20264:38 PM ET | Ra Capital Management, L.P.and 3 others | 13D/A | 9.90%9.66M shares | 0.00 ppfrom 9.90% | Mar 6, 2026 | SEC |
| Feb 17, 20264:08 PM ET | Vestal Point Capital, LPand 1 other | 13G | 7.50%5.82M shares | +5.20 ppfrom 2.30% | Dec 31, 2025 | SEC |
| Nov 13, 20259:07 AM ET | Adage Capital Management, L.P.and 2 others | 13G/A | 5.14%4.00M shares | −3.54 ppfrom 8.68% | Sep 30, 2025 | SEC |
| Aug 14, 20256:06 PM ET | Ra Capital Management, L.P.and 3 others | 13D/A | 9.90%8.00M shares | 0.00 ppfrom 9.90% | Aug 12, 2025 | SEC |
| Aug 14, 20255:07 PM ET | Commodore Capital LPand 1 other | 13G/A | 0.00%0 shares | −7.60 ppfrom 7.60%Below 5% | Jun 30, 2025 | SEC |
| Jul 17, 20258:12 PM ET | BlackRock, Inc. | 13G | 6.10%4.71M shares | New | Jun 30, 2025 | SEC |
| May 15, 20254:12 PM ET | Vestal Point Capital, LPand 1 other | 13G/A | 2.30%1.75M shares | –Below 5% | Mar 31, 2025 | SEC |
| May 12, 20259:04 AM ET | Adage Capital Management, L.P.and 2 others | 13G | 8.68%6.73M shares | New | Mar 31, 2025 | SEC |
| Apr 17, 20256:50 PM ET | Invus Global Management, LLCand 7 others | 13G/A | 9.60%7.42M shares | +0.20 ppfrom 9.40% | Mar 31, 2025 | SEC |
| Feb 25, 20254:05 PM ET | Commodore Capital LPand 1 other | 13G | 7.60%5.83M shares | New | Feb 18, 2025 | SEC |
| Feb 21, 20256:04 PM ET | BCLS SB Investco, LPand 4 others | 13D/A | 7.80%6.18M shares | – | Feb 19, 2025 | SEC |
| Feb 21, 20254:15 PM ET | Ra Capital Management, L.P.and 3 others | 13D/A | 9.90%7.99M shares | – | Feb 19, 2025 | SEC |
| Feb 21, 20254:15 PM ET | Perceptive Advisors LLCand 3 others | 13D/A | 15.60%11.9M shares | – | Feb 19, 2025 | SEC |
| Feb 14, 20258:30 AM ET | Camber Capital Management LPand 1 other | 13G/A | 0.00%0 shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 12, 20254:30 PM ET | Invus Global Management, LLCand 7 others | 13G/A | 9.40%3.75M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Solid Biosciences Inc. shares.
No Form 144 notices for Solid Biosciences Inc. are on file.