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5%+ stakes · Schedule 13D and 13G

Solid Biosciences Inc.: 5%+ holders

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Who has reported owning 5% or more of Solid Biosciences Inc., from Schedule 13D and 13G filings: each holder's stake as filed, the timeline, and the purpose each 13D states, quoted.

As of November 7, 2026, 6 holders' latest Schedule 13D or 13G filings report owning 5% or more of Solid Biosciences Inc. The largest reported stake is Perceptive Advisors LLC's, at 11.2%. 18 filings are on record since July 17, 2025 (Schedule 13D/A, August 14, 2026).

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Key facts

  • · Reporting person: RA Capital Management, L.P. · Sole voting: 0 · Shared voting: 12,036,126 · Sole dispositive: 0 · Shared dispositive: 12,036,126 · SCHEDULE 13D/A, 2026-11-06
  • · Reporting person: Perceptive Advisors LLC · Sole voting: 0 · Shared voting: 12,046,579 · Sole dispositive: 0 · Shared dispositive: 12,046,579 · SCHEDULE 13D/A, 2026-08-14
  • · Reporting person: Vestal Point Capital, LP · Sole voting: 0 · Shared voting: 4,833,796 · Sole dispositive: 0 · Shared dispositive: 4,833,796 · SCHEDULE 13G/A, 2026-08-14
  • · Reporting person: Fmr LLC · Sole voting: 6,875,423 · Shared voting: 0 · Sole dispositive: 6,875,957 · Shared dispositive: 0 · SCHEDULE 13G, 2026-08-06
  • · Reporting person: BlackRock, Inc. · Sole voting: 6,328,941 · Shared voting: 0 · Sole dispositive: 6,419,730 · Shared dispositive: 0 · SCHEDULE 13G, 2026-07-30
At 5% or more6
Filings18
Latest filing2026-11-06

Solid Biosciences Inc. has 18 Schedule 13D or 13G filings on record since 2025-07-17. 6 holders' latest filing reports 5% or more of common stock, $0.001 par value per share. Each figure below is the holder's own, as filed, with the filing linked.

Holders

HolderPercentSharesLatestEvent date
Perceptive Advisors LLC11.2%12,046,579SCHEDULE 13D/A, 2026-08-142026-06-30
RA Capital Management, L.P.10.8%12,036,126SCHEDULE 13D/A, 2026-11-062026-11-04
9.99%10,066,682SCHEDULE 13G/A, 2026-05-052026-03-31
BCLS SB Investco, LP8.8%0SCHEDULE 13D/A, 2026-03-102026-03-06
Fmr LLC7%6,875,957SCHEDULE 13G, 2026-08-062026-06-30
BlackRock, Inc.6.5%6,419,730SCHEDULE 13G, 2026-07-302026-06-30
Vestal Point Capital, LP4.8%4,833,796SCHEDULE 13G/A, 2026-08-142026-06-30
Adage Capital Management, L.P.1.8%1,400,000SCHEDULE 13G/A, 2026-02-122025-12-31
Commodore Capital LP0%0SCHEDULE 13G/A, 2025-08-142025-06-30

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More on Solid Biosciences Inc. and the records around it.

Solid Biosciences Inc. elsewhere on the record

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What the Full Report on Solid Biosciences Inc. covers

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  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

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Voting and dispositive power, as filed

Reporting personSole votingShared votingSole dispositiveShared dispositiveFiling
Perceptive Advisors LLC012,046,579012,046,579SCHEDULE 13D/A, 2026-08-14
Joseph Edelman012,046,579012,046,579SCHEDULE 13D/A, 2026-08-14
Perceptive Life Sciences Master Fund, Ltd.011,973,472011,973,472SCHEDULE 13D/A, 2026-08-14
Perceptive Xontogeny Venture Fund, LP073,107073,107SCHEDULE 13D/A, 2026-08-14
RA Capital Management, L.P.012,036,126012,036,126SCHEDULE 13D/A, 2026-11-06
Peter Kolchinsky012,036,126012,036,126SCHEDULE 13D/A, 2026-11-06
Rajeev Shah012,036,126012,036,126SCHEDULE 13D/A, 2026-11-06
RA Capital Healthcare Fund, L.P.011,897,896011,897,896SCHEDULE 13D/A, 2026-11-06
Fmr LLC6,875,42306,875,9570SCHEDULE 13G, 2026-08-06
Abigail P. Johnson006,875,9570SCHEDULE 13G, 2026-08-06
BlackRock, Inc.6,328,94106,419,7300SCHEDULE 13G, 2026-07-30
Vestal Point Capital, LP04,833,79604,833,796SCHEDULE 13G/A, 2026-08-14
Ryan Wilder04,833,79604,833,796SCHEDULE 13G/A, 2026-08-14

The latest filing identifies Solid Biosciences Inc. by CUSIP 83422E204 and gives its principal executive office as 500 Rutherford Avenue, Third Floor, Charlestown, MA 02129 (SCHEDULE 13D/A, 2026-11-06).

Timeline

FiledHolderPercentFiling
2025-07-17BlackRock, Inc.6.1%SCHEDULE 13G
2025-08-14RA Capital Management, L.P.9.9%SCHEDULE 13D/A
2025-08-14Commodore Capital LP0%SCHEDULE 13G/A
2025-11-13Adage Capital Management, L.P.5.14%SCHEDULE 13G/A
2026-02-12Adage Capital Management, L.P.1.8%SCHEDULE 13G/A
2026-02-17Vestal Point Capital, LP7.5%SCHEDULE 13G
2026-03-10BCLS SB Investco, LP8.8%SCHEDULE 13D/A
2026-03-10RA Capital Management, L.P.9.9%SCHEDULE 13D/A
2026-03-11Perceptive Advisors LLC12.9%SCHEDULE 13D/A
2026-03-17RA Capital Management, L.P.9.9%SCHEDULE 13D/A
2026-04-27BlackRock, Inc.4.7%SCHEDULE 13G/A
2026-05-05Raymond Debbane9.99%SCHEDULE 13G/A
2026-06-24RA Capital Management, L.P.11.9%SCHEDULE 13D/A
2026-07-30BlackRock, Inc.6.5%SCHEDULE 13G
2026-08-06Fmr LLC7%SCHEDULE 13G
2026-08-14Vestal Point Capital, LP4.8%SCHEDULE 13G/A
2026-08-14Perceptive Advisors LLC11.2%SCHEDULE 13D/A
2026-11-06RA Capital Management, L.P.10.8%SCHEDULE 13D/A

Questions about who owns Solid Biosciences Inc.

Who owns Solid Biosciences Inc.?

On this page, 6 holders' latest ownership filings report 5% or more of Solid Biosciences Inc.: Perceptive Advisors LLC (11.2%, Schedule 13D/A, filed 2026-08-14), RA Capital Management, L.P. (10.8%, Schedule 13D/A, filed 2026-11-06), Raymond Debbane (9.99%, Schedule 13G/A, filed 2026-05-05), BCLS SB Investco, LP (8.8%, Schedule 13D/A, filed 2026-03-10) and Fmr LLC (7%, Schedule 13G, filed 2026-08-06); 1 more is listed above.

Who are the largest shareholders of Solid Biosciences Inc.?

By the share each holder's latest filing reports, the largest holders of Solid Biosciences Inc. on this page are Perceptive Advisors LLC (11.2%), RA Capital Management, L.P. (10.8%) and Raymond Debbane (9.99%).

When did Perceptive Advisors LLC buy into Solid Biosciences Inc.?

The filings give report dates, not purchase dates. The earliest filing from Perceptive Advisors LLC on this page is the Schedule 13D/A, filed 2026-03-11, reporting 12.9%; its latest, Schedule 13D/A filed 2026-08-14, reports 11.2%. That earliest filing is itself an amendment, which updates an earlier report.

Is this an audit or a full list?

Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 18 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.

Also on the record for Solid Biosciences Inc.

DateRecordFigureOur pageSource
April 10, 2026Leadership change filing (Form 8-K, Item 5.02)—Leadership changesSource

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Where this comes from

Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.

Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.

Cite this page

Permanent URL: https://mentionfox.com/stakes/solid-biosciences
Last updated 2026-11-07
Primary record: SEC filing 1 · SEC filing 2 · SEC filing 3 · SEC filing 4
Who owns 5% or more of Solid Biosciences Inc.? 6 holders at 5% or more, largest Perceptive Advisors LLC 11.2%. MentionFox, 2026-11-07. https://mentionfox.com/stakes/solid-biosciences