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SLDB · Solid Biosciences Inc.

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$9.30 +0.20 (+2.20%) At close · Aug 21
Market Cap
$997.19M
Shares
107.23M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 155
Total Value: $1,146,136,932
Total Shares: 114,728,432

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 155 13F filers · Δ vs Mar 31, 2026
Top Holder
10.5%
Sep 2023 → Jun 2026 · range 10.5% – 21.6%
−1.4 pts
Top 5
42.2%
Sep 2023 → Jun 2026 · range 42.2% – 76.9%
−1.5 pts
Top 10
62.5%
Sep 2023 → Jun 2026 · range 62.5% – 96.6%
−0.4 pts
HHI
523
Sep 2023 → Jun 2026 · range 523 – 1,496
Broadly held−15

Quarterly Activity

vs Mar 31, 2026
New
36
Increased
60
Decreased
38
Sold Out
32
Unchanged
21
Holder count: +4
Institutional value: +58.9%
Shares held: +14.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 159
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1707502 CUSIP 83422E204 13F (30d) 147 filings 143 filers Visit website Investor relations