Comparable stake leader
PERCEPTIVE ADVISORS LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001707502.
Comparable stake leader
PERCEPTIVE ADVISORS LLC
Disclosed value leader
PERCEPTIVE ADVISORS LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC |
13F
13D/G
3/4/5
Company · Director, 10%+ Owner
|
13%
from 13D/G
|
$85,727,851
11,906,646 shares
|
— | 31 Mar 2026 |
| Invus Global Management, LLC |
13D/G
Raymond Debbane
|
10%
|
—
10,066,682 shares
|
$0 | 31 Mar 2026 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
13D/G
3/4/5
Company · 10%+ Owner
|
9.9%
from 13D/G
|
$67,247,842
9,339,978 shares
|
— | 31 Mar 2026 |
| Vestal Point Capital, LP |
13F
13D/G
Company
|
7.5%
from 13D/G
|
$36,000,000
5,000,000 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
4.7%
from 13D/G
|
$35,700,150
4,958,354 shares
|
— | 31 Mar 2026 |
| Adage Capital Management, L.P. |
3/4/5
13D/G
10%+ Owner
|
1.8%
from 13D/G
|
$32,115,515
4,248,084 shares
|
— | 18 Feb 2025 |
| Bain Capital Life Sciences Investors, LLC |
13F
3/4/5
Company · 10%+ Owner
|
11%
|
$70,623,497
9,808,819 shares
|
— | 31 Mar 2026 |
| Siren, L.L.C. |
13F
Individual
|
8.3%
|
$55,370,916
7,690,405 shares
|
— | 31 Mar 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$2,681,597.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 398,523 | $0 | $2,533,696 | -$2,533,696 |
| 6-9 | 0 | 29,097 | $0 | $147,901 | -$147,901 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-20 of 26 reporting-owner rows connected to Solid Biosciences Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 10%+ Owner | $46,252,926 | Filing P/S | 19 Feb 2025 | ||
| Adage Capital Management, L.P. | 10%+ Owner | $32,115,515 | Filing P/S | 18 Feb 2025 | ||
| Adam Koppel | Director, 10%+ Owner | $22,311,238 | Mixed | 11 Jan 2024 | ||
| RA CAPITAL MANAGEMENT, L.P. | 10%+ Owner | $14,996,280 | Filing P/S | 19 Feb 2025 | ||
| BCLS II Equity Opportunities GP, LLC | Director, 10%+ Owner | $5,000,005 | Mixed | 11 Jan 2024 | ||
| Alexander Cumbo | President and CEO, Director | $1,727,605 | -$983,857 | -36% | Mixed | 13 Feb 2026 |
| Joel Solomon Zev Schneider | Chief Operating Officer | $1,306,573 | Mixed | 14 Mar 2022 | ||
| Ilan Ganot | Director | $884,781 | -$82,374 | -8.5% | Mixed | 13 Feb 2026 |
| Ian F. Smith | Director | $832,936 | Mixed | 02 Apr 2026 | ||
| David Tyronne Howton | Chief Operating Officer | $786,383 | -$433,538 | -36% | Mixed | 13 Feb 2026 |
| Kevin Tan | CFO & Treasurer | $705,189 | -$329,507 | -32% | Mixed | 13 Feb 2026 |
| Gabriel Brooks | Chief Medical Officer | $650,926 | -$280,915 | -30% | Mixed | 13 Feb 2026 |
| Jessie Hanrahan | Chief Regulatory Officer | $529,301 | -$297,329 | -36% | Mixed | 13 Feb 2026 |
| Paul Herzich | Chief Technology Officer | $508,381 | -$274,077 | -35% | Mixed | 13 Feb 2026 |
| Jennifer Marlowe | Cso | $398,249 | Mixed | 13 Feb 2024 | ||
| Carl Ashley Morris | Chief Scientific Officer | $128,883 | Mixed | 27 Jan 2023 | ||
| Clare Kahn | Director | $15,794 | Filing P/S | 12 Jun 2025 | ||
| Adam Leo Stone | Director | Mixed | 12 Jun 2025 | |||
| Georgia Keresty | Director | Mixed | 12 Jun 2025 | |||
| Sukumar Nagendran | Director | Mixed | 12 Jun 2025 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Ian F. Smith | SLDB | Common Stock | Options Exercise | 2.62% | 3,441 | 134,705 | 02 Apr 2026 | Direct | ||
| Ian F. Smith | SLDB | Restricted Stock Units | Options Exercise | -25% | -3,441 | 10,320 | 02 Apr 2026 | Direct | ||
| Perceptive Advisors Llc | SLDB | Pre-Funded Warrant (right to buy) | Award | 8,912,655 | 8,912,655 | 09 Mar 2026 | See footnote | |||
| Alexander Cumbo | SLDB | Common Stock | Sale | -6.6% | $96,923 | $5.82 | -16,644 | 235,405 | 18 Feb 2026 | Direct |
| Jessie Hanrahan | SLDB | Common Stock | Sale | -5.27% | $24,074 | $5.82 | -4,134 | 74,318 | 18 Feb 2026 | Direct |
| Ilan Ganot | SLDB | Common Stock | Sale | -8.82% | $15,478 | $5.82 | -2,658 | 27,474 | 18 Feb 2026 | Wife |
| Paul Herzich | SLDB | Common Stock | Sale | -4.74% | $21,057 | $5.82 | -3,616 | 72,638 | 18 Feb 2026 | Direct |
| David Tyronne Howton | SLDB | Common Stock | Sale | -6.64% | $43,494 | $5.82 | -7,469 | 105,077 | 18 Feb 2026 | Direct |
| Gabriel Brooks | SLDB | Common Stock | Sale | $0 | 0 | 89,466 | 18 Feb 2026 | Direct | ||
| Kevin Tan | SLDB | Common Stock | Sale | -5.16% | $31,469 | $5.82 | -5,404 | 99,422 | 18 Feb 2026 | Direct |
| Alexander Cumbo | SLDB | Common Stock | Options Exercise | 13.5% | 30,031 | 252,049 | 13 Feb 2026 | Direct | ||
| Alexander Cumbo | SLDB | Restricted Stock Units | Options Exercise | -33.3% | -30,031 | 60,063 | 13 Feb 2026 | Direct | ||
| Jessie Hanrahan | SLDB | Common Stock | Options Exercise | 11.6% | 8,125 | 78,452 | 13 Feb 2026 | Direct | ||
| Jessie Hanrahan | SLDB | Restricted Stock Units | Options Exercise | -33.3% | -8,125 | 16,250 | 13 Feb 2026 | Direct | ||
| Ilan Ganot | SLDB | Common Stock | Options Exercise | 19.2% | 4,861 | 30,132 | 13 Feb 2026 | Wife | ||
| Ilan Ganot | SLDB | Restricted Stock Units | Options Exercise | -33.3% | -4,861 | 9,722 | 13 Feb 2026 | Wife | ||
| Paul Herzich | SLDB | Common Stock | Options Exercise | 10.4% | 7,187 | 76,254 | 13 Feb 2026 | Direct | ||
| Paul Herzich | SLDB | Restricted Stock Units | Options Exercise | -33.3% | -7,187 | 14,376 | 13 Feb 2026 | Direct | ||
| David Tyronne Howton | SLDB | Common Stock | Options Exercise | 15% | 14,687 | 112,546 | 13 Feb 2026 | Direct | ||
| David Tyronne Howton | SLDB | Restricted Stock Units | Options Exercise | -33.3% | -14,687 | 29,376 | 13 Feb 2026 | Direct | ||
| Gabriel Brooks | SLDB | Common Stock | Options Exercise | 13% | 10,937 | 95,029 | 13 Feb 2026 | Direct | ||
| Gabriel Brooks | SLDB | Restricted Stock Units | Options Exercise | -33.3% | -10,937 | 21,876 | 13 Feb 2026 | Direct | ||
| Kevin Tan | SLDB | Common Stock | Options Exercise | 11.3% | 10,625 | 104,826 | 13 Feb 2026 | Direct | ||
| Kevin Tan | SLDB | Restricted Stock Units | Options Exercise | -33.3% | -10,625 | 21,250 | 13 Feb 2026 | Direct | ||
| David Tyronne Howton | SLDB | Common Stock | Sale | -16.2% | $121,713 | $6.44 | -18,894 | 97,859 | 04 Feb 2026 | Direct |
| Alexander Cumbo | SLDB | Common Stock | Sale | -18% | $315,093 | $6.44 | -48,913 | 222,018 | 04 Feb 2026 | Direct |
| Ilan Ganot | SLDB | Common Stock | Sale | -22.2% | $46,414 | $6.44 | -7,205 | 25,271 | 04 Feb 2026 | Wife |
| Kevin Tan | SLDB | Common Stock | Sale | -13.6% | $95,231 | $6.44 | -14,783 | 94,201 | 04 Feb 2026 | Direct |
| Gabriel Brooks | SLDB | Common Stock | Sale | -13% | $81,271 | $6.44 | -12,616 | 84,092 | 04 Feb 2026 | Direct |
| Jessie Hanrahan | SLDB | Common Stock | Sale | -14.9% | $79,545 | $6.44 | -12,348 | 70,327 | 04 Feb 2026 | Direct |
| Paul Herzich | SLDB | Common Stock | Sale | -13.6% | $70,249 | $6.44 | -10,905 | 69,067 | 04 Feb 2026 | Direct |
| Kevin Tan | SLDB | Common Stock | Sale | -19.8% | $172,747 | $6.44 | -26,837 | 108,984 | 02 Feb 2026 | Direct |
| Jessie Hanrahan | SLDB | Common Stock | Sale | -24.3% | $170,803 | $6.44 | -26,535 | 82,675 | 02 Feb 2026 | Direct |
| Gabriel Brooks | SLDB | Common Stock | Sale | -22.7% | $182,390 | $6.44 | -28,335 | 96,708 | 02 Feb 2026 | Direct |
| Paul Herzich | SLDB | Common Stock | Sale | -24.7% | $168,969 | $6.44 | -26,250 | 79,972 | 02 Feb 2026 | Direct |
| Alexander Cumbo | SLDB | Common Stock | Sale | -22.8% | $516,613 | $6.44 | -80,258 | 270,931 | 02 Feb 2026 | Direct |
| David Tyronne Howton | SLDB | Common Stock | Sale | -24.4% | $243,128 | $6.44 | -37,771 | 116,753 | 02 Feb 2026 | Direct |
| Kevin Tan | SLDB | Common Stock | Options Exercise | 32.2% | 33,075 | 135,821 | 31 Jan 2026 | Direct | ||
| Kevin Tan | SLDB | Restricted Stock Units | Options Exercise | -25% | -33,075 | 99,225 | 31 Jan 2026 | Direct | ||
| Jessie Hanrahan | SLDB | Common Stock | Options Exercise | 33.9% | 27,625 | 109,210 | 31 Jan 2026 | Direct | ||
| Jessie Hanrahan | SLDB | Restricted Stock Units | Options Exercise | -25% | -27,625 | 82,875 | 31 Jan 2026 | Direct | ||
| Gabriel Brooks | SLDB | Common Stock | Options Exercise | 29.2% | 28,225 | 125,043 | 31 Jan 2026 | Direct | ||
| Gabriel Brooks | SLDB | Restricted Stock Units | Options Exercise | -25% | -28,225 | 84,675 | 31 Jan 2026 | Direct | ||
| Paul Herzich | SLDB | Common Stock | Options Exercise | 30.3% | 24,675 | 106,222 | 31 Jan 2026 | Direct | ||
| Paul Herzich | SLDB | Restricted Stock Units | Options Exercise | -25% | -24,675 | 74,025 | 31 Jan 2026 | Direct | ||
| Ilan Ganot | SLDB | Common Stock | Options Exercise | 85.8% | 15,000 | 32,476 | 31 Jan 2026 | Wife | ||
| Ilan Ganot | SLDB | Restricted Stock Units | Options Exercise | -25% | -15,000 | 45,000 | 31 Jan 2026 | Wife | ||
| Alexander Cumbo | SLDB | Common Stock | Options Exercise | 40% | 100,400 | 351,189 | 31 Jan 2026 | Direct | ||
| Alexander Cumbo | SLDB | Restricted Stock Units | Options Exercise | -25% | -100,400 | 301,200 | 31 Jan 2026 | Direct | ||
| David Tyronne Howton | SLDB | Common Stock | Options Exercise | 37.8% | 42,275 | 154,254 | 31 Jan 2026 | Direct |