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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.

Holders of 5% or more of SLDB
HolderLatest formStakeChangeFirst filedLatest filingFiling
Perceptive Advisors LLC13D/A12.90%12.0M shares−2.70 ppfrom 15.60%Feb 21, 20252 filingsMar 11, 2026SEC
Ra Capital Management, L.P.13D/A9.90%9.31M shares0.00 ppfrom 9.90%Feb 21, 20254 filingsMar 17, 2026SEC
Invus Global Management, LLC13G/A9.60%7.42M shares+0.20 ppfrom 9.40%Feb 12, 20252 filingsApr 17, 2025SEC
BCLS SB Investco, LP13D/A8.80%8.60M shares+1.00 ppfrom 7.80%Feb 21, 20252 filingsMar 10, 2026SEC
Vestal Point Capital, LP13G7.50%5.82M shares+5.20 ppfrom 2.30%May 15, 20252 filingsFeb 17, 2026SEC
BlackRock, Inc.13G6.10%4.71M sharesNewJul 17, 20251 filingJul 17, 2025SEC
Adage Capital Management, L.P.13G/A5.14%4.00M shares−3.54 ppfrom 8.68%May 12, 20252 filingsNov 13, 2025SEC

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.

Schedule 13D and 13G filings on SLDB
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 17, 20266:50 PM ETRa Capital Management, L.P.and 3 others13D/A9.90%9.31M shares0.00 ppfrom 9.90%Mar 13, 2026SEC
Mar 11, 20264:00 PM ETPerceptive Advisors LLCand 3 others13D/A12.90%12.0M shares−2.70 ppfrom 15.60%Mar 9, 2026SEC
Mar 10, 20265:00 PM ETBCLS SB Investco, LPand 5 others13D/A8.80%8.60M shares+1.00 ppfrom 7.80%Mar 6, 2026SEC
Mar 10, 20264:38 PM ETRa Capital Management, L.P.and 3 others13D/A9.90%9.66M shares0.00 ppfrom 9.90%Mar 6, 2026SEC
Feb 17, 20264:08 PM ETVestal Point Capital, LPand 1 other13G7.50%5.82M shares+5.20 ppfrom 2.30%Dec 31, 2025SEC
Nov 13, 20259:07 AM ETAdage Capital Management, L.P.and 2 others13G/A5.14%4.00M shares−3.54 ppfrom 8.68%Sep 30, 2025SEC
Aug 14, 20256:06 PM ETRa Capital Management, L.P.and 3 others13D/A9.90%8.00M shares0.00 ppfrom 9.90%Aug 12, 2025SEC
Aug 14, 20255:07 PM ETCommodore Capital LPand 1 other13G/A0.00%0 shares−7.60 ppfrom 7.60%Below 5%Jun 30, 2025SEC
Jul 17, 20258:12 PM ETBlackRock, Inc.13G6.10%4.71M sharesNewJun 30, 2025SEC
May 15, 20254:12 PM ETVestal Point Capital, LPand 1 other13G/A2.30%1.75M shares–Below 5%Mar 31, 2025SEC
May 12, 20259:04 AM ETAdage Capital Management, L.P.and 2 others13G8.68%6.73M sharesNewMar 31, 2025SEC
Apr 17, 20256:50 PM ETInvus Global Management, LLCand 7 others13G/A9.60%7.42M shares+0.20 ppfrom 9.40%Mar 31, 2025SEC
Feb 25, 20254:05 PM ETCommodore Capital LPand 1 other13G7.60%5.83M sharesNewFeb 18, 2025SEC
Feb 21, 20256:04 PM ETBCLS SB Investco, LPand 4 others13D/A7.80%6.18M shares–Feb 19, 2025SEC
Feb 21, 20254:15 PM ETRa Capital Management, L.P.and 3 others13D/A9.90%7.99M shares–Feb 19, 2025SEC
Feb 21, 20254:15 PM ETPerceptive Advisors LLCand 3 others13D/A15.60%11.9M shares–Feb 19, 2025SEC
Feb 14, 20258:30 AM ETCamber Capital Management LPand 1 other13G/A0.00%0 shares–Below 5%Dec 31, 2024SEC
Feb 12, 20254:30 PM ETInvus Global Management, LLCand 7 others13G/A9.40%3.75M shares–Dec 31, 2024SEC

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.