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RA CAPITAL MANAGEMENT, L.P.

Position in SLDB — Solid Biosciences Inc.

CIK 1346824 BOSTON, MA

Position in SLDB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$120,240,898
+$52,993,057 QoQ
Shares Held
12,036,126
+28.9% QoQ
Ownership
11.2%
of shares outstanding
% of Portfolio
1.06%
of 13F equity value
Holder Rank
#1
of 155 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SLDB Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RA CAPITAL MANAGEMENT, L.P. holds $11,082,969,028 across 75 Biotechnology names. SLDB ranks #23 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SLDB

Export CSV
30 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $120,240,898 12,036,126
2026-06-22 $99,899,845 12,036,126
2026-03-31 $67,247,841 9,339,978
2026-03-13 $68,083,556 9,313,756
2026-03-06 $65,231,500 9,663,926
2025-12-31 $32,776,425 5,811,423
2025-09-30 $35,856,479 5,811,423
2025-08-12 $48,304,960 7,997,510
2025-06-30 $28,301,143 5,811,323
2025-03-31 $16,022,650 4,330,446
2024-12-31 $17,321,784 4,330,446
2024-09-30 $30,183,208 4,330,446
2024-06-30 $24,553,628 4,330,446
2024-03-31 $57,681,540 4,330,446
2023-12-31 $21,037,396 3,426,286
2023-09-30 $8,634,240 3,426,286
2023-06-30 $17,953,738 3,426,286
2023-03-31 $16,240,595 3,426,286
2022-12-31 $18,433,418 3,426,286
2022-09-30 $5,775,796 12,367,873
2022-06-30 $7,618,609 12,367,873
2022-03-31 $14,841,447 12,367,873
2021-12-31 $21,643,777 12,367,873
2021-09-30 $29,559,216 12,367,873
2021-06-30 $45,266,415 12,367,873
2021-03-31 $68,394,337 12,367,873
2020-12-31 $75,622,393 9,976,569
2020-09-30 $9,279,462 4,571,164
2020-06-30 $13,393,510 4,571,164
2020-03-31 $10,925,081 4,571,164