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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.

13F holders, Q3 2025

Institutional positions in Solid Biosciences Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
129
+13 vs. Q2 2025
Shares held
81.9M
−940.4K (−1.1%) vs. Q2 2025
Total value
$505.2M
+$101.8M (+25.2%) vs. Q2 2025
New holders
25
38 more added
Sold out
12
38 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SLDB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 129 institutions
Q1 2021: 104 institutionsQ2 2021: 92 institutionsQ3 2021: 91 institutionsQ4 2021: 82 institutionsQ1 2022: 78 institutionsQ2 2022: 67 institutionsQ3 2022: 58 institutionsQ4 2022: 35 institutionsQ1 2023: 39 institutionsQ2 2023: 36 institutionsQ3 2023: 37 institutionsQ4 2023: 40 institutionsQ1 2024: 56 institutionsQ2 2024: 80 institutionsQ3 2024: 92 institutionsQ4 2024: 90 institutionsQ1 2025: 125 institutionsQ2 2025: 116 institutionsQ3 2025: 129 institutionsQ4 2025: 132 institutionsQ1 2026: 150 institutionsQ2 2026: 157 institutions
Value heldQ3 2025: $505.2M
Q1 2021: $437.6MQ2 2021: $293.4MQ3 2021: $184.3MQ4 2021: $132.2MQ1 2022: $83.3MQ2 2022: $39.5MQ3 2022: $33.4MQ4 2022: $85.6MQ1 2023: $74.8MQ2 2023: $85.6MQ3 2023: $40.7MQ4 2023: $102.2MQ1 2024: $465.9MQ2 2024: $213.2MQ3 2024: $249.8MQ4 2024: $145.3MQ1 2025: $293.2MQ2 2025: $403.4MQ3 2025: $505.2MQ4 2025: $459.2MQ1 2026: $717.4MQ2 2026: $1.14B
Institutions holding SLDB and their total value by quarter
QuarterHoldersValue
Q2 2026157$1.14B
Q1 2026150$717.4M
Q4 2025132$459.2M
Q3 2025129$505.2M
Q2 2025116$403.4M
Q1 2025125$293.2M
Q4 202490$145.3M
Q3 202492$249.8M
Q2 202480$213.2M
Q1 202456$465.9M
Q4 202340$102.2M
Q3 202337$40.7M
Q2 202336$85.6M
Q1 202339$74.8M
Q4 202235$85.6M
Q3 202258$33.4M
Q2 202267$39.5M
Q1 202278$83.3M
Q4 202182$132.2M
Q3 202191$184.3M
Q2 202192$293.4M
Q1 2021104$437.6M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Solid Biosciences Inc.; share changes are against Q2 2025.

Institutions holding SLDB in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Advisor Group Holdings, Inc.30$1780.00%00.0%Unchanged
Rothschild Investment LLC75$4630.00%00.0%Unchanged
GAMMA Investing LLC96$5920.00%+96New
Rockefeller Capital Management L.P.100$6170.00%+100New
MAI Capital Management123$7590.00%00.0%Unchanged
Parallel Advisors, LLC125$7710.00%00.0%Unchanged
Parkside Financial Bank & Trust135$8320.00%00.0%Unchanged
Signaturefd, LLC228$1.41K0.00%+228New
Essential Partners LLC263$1.62K0.00%00.0%Unchanged
IFP Advisors, Inc298$1.84K0.00%00.0%Unchanged
US Bancorp300$1.85K0.00%00.0%Unchanged
UMA Financial Services, Inc.312$1.93K0.00%00.0%Unchanged
Daiwa Securities Group Inc.400$2.00K0.00%00.0%Unchanged
Allworth Financial LP411$2.54K0.00%00.0%Unchanged
Optiver Holding B.V.412$2.54K0.00%+412New
Quadrant Capital Group LLC431$2.66K0.00%+431New
EverSource Wealth Advisors, LLC533$3.29K0.00%00.0%Unchanged
True Wealth Design, LLC564$3.48K0.00%00.0%Unchanged
SBI Securities Co., Ltd.764$4.71K0.00%+355+86.8%Added
The PNC Financial Services Group, Inc.784$4.84K0.00%+37+5.0%Added
Amalgamated Bank779$5.00K0.00%00.0%Unchanged
Hantz Financial Services, Inc.1,000$6.00K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.1,675$10.3K0.00%+684+69.0%Added
Mirae Asset Global Investments Co., Ltd.3,010$18.6K0.00%+16+0.5%Added
Sterling Capital Management LLC4,068$25.1K0.00%+2,286+128.3%Added
California State Teachers Retirement System4,122$25.4K0.00%+3+0.1%Added
CWM, LLC4,479$28.0K0.00%−952−17.5%Reduced
Group One Trading, L.P.4,750$29.3K0.00%+4,750New
Ameritas Investment Partners, Inc.4,926$30.4K0.00%−1,814−26.9%Reduced
Steward Partners Investment Advisory, LLC4,955$30.6K0.00%00.0%Unchanged
Legal & General Group Plc5,270$32.5K0.00%−741−12.3%Reduced
Citigroup Inc6,192$38.2K0.00%−46,182−88.2%Reduced
Tower Research Capital LLC (TRC)7,002$43.2K0.00%−1,710−19.6%Reduced
New York State Common Retirement Fund7,100$43.8K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.9,200$56.8K0.00%+9,200New
Russell Investments Group, Ltd.10,211$63.0K0.00%+5,991+142.0%Added
Martingale Asset Management L P10,228$63.1K0.00%+8+0.1%Added
Commonwealth Equity Services, LLC10,852$67.0K0.00%+10,852New
Pallas Capital Advisors LLC11,145$68.8K0.00%+103+0.9%Added
Voya Investment Management LLC11,160$68.9K0.00%−7,088−38.8%Reduced
Farther Finance Advisors, LLC11,497$70.9K0.00%+11,497New
ProShare Advisors LLC12,856$79.3K0.00%−3,575−21.8%Reduced
SEI Investments Co13,078$80.7K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.13,649$84.2K0.01%−1,920−12.3%Reduced
Polymer Capital Management (US) LLC15,264$94.2K0.01%+15,264New
Creative Planning16,315$100.7K0.00%+4,514+38.3%Added
Police & Firemen's Retirement System of New Jersey17,389$107.3K0.00%+2,276+15.1%Added
Fox Run Management, L.L.C.18,514$114.2K0.02%+18,514New
Lido Advisors, LLC20,175$124.5K0.00%−14−0.1%Reduced
HSBC Holdings PLC23,592$138.2K0.00%−1,787−7.0%Reduced
Manufacturers Life Insurance Company, The22,489$138.8K0.00%−1,920−7.9%Reduced
Dynamic Technology Lab Private Ltd23,584$145.0K0.02%+602+2.6%Added
Axq Capital, LP24,035$148.3K0.06%+24,035New
SFMG, LLC25,031$154.4K0.01%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.27,392$169.0K0.00%−8,751−24.2%Reduced
Intech Investment Management LLC29,946$184.8K0.00%−6,416−17.6%Reduced
MetLife Investment Management30,078$185.6K0.00%−10,007−25.0%Reduced
CIBC Private Wealth Group, LLC30,600$188.8K0.00%00.0%Unchanged
Price T Rowe Associates Inc35,087$217.0K0.00%+2,010+6.1%Added
JPMorgan Chase & Co35,703$220.3K0.00%+1,324+3.9%Added
Bridgeway Capital Management, LLC38,460$237.3K0.01%−60,071−61.0%Reduced
Wells Fargo & Company45,207$278.9K0.00%+2,845+6.7%Added
State of Wisconsin Investment Board46,998$290.0K0.00%+46,998New
Deutsche Bank AG52,160$321.8K0.00%+6,575+14.4%Added
Nisa Investment Advisors, LLC60,536$373.5K0.00%+56,700+1,478.1%Added
Prudential Financial Inc60,990$376.3K0.00%+60,990New
Schonfeld Strategic Advisors LLC68,002$419.6K0.00%+68,002New
Boothbay Fund Management, LLC69,080$426.2K0.01%+69,080New
Trexquant Investment LP70,448$434.7K0.00%+70,448New
American Century Companies Inc71,051$438.4K0.00%+59,354+507.4%Added
BNP Paribas Arbitrage, SA73,030$450.6K0.00%+61,839+552.6%Added
Alliancebernstein L.P.81,830$504.9K0.00%00.0%Unchanged
Simplex Trading, LLC84,001$518.0K0.01%+84,001New
Jane Street Group, LLC91,587$565.1K0.00%+91,587New
Quantum Private Wealth, LLC94,231$581.4K0.17%+3,500+3.9%Added
Rhumbline Advisers94,281$581.7K0.00%−7,888−7.7%Reduced
Susquehanna Fundamental Investments, LLC116,525$719.0K0.03%−25,027−17.7%Reduced
Invesco Ltd.117,368$724.2K0.00%+37,000+46.0%Added
AQR Capital Management LLC131,057$808.6K0.00%+973+0.7%Added
Bank of New York Mellon Corp148,660$917.2K0.00%−9,694−6.1%Reduced
Two Sigma Investments, LP155,850$961.6K0.00%−18,150−10.4%Reduced
HRT Financial LP156,822$967.0K0.00%+156,822New
Barclays PLC159,102$981.7K0.00%−22,444−12.4%Reduced
Charles Schwab Investment Management Inc162,059$999.9K0.00%−49,015−23.2%Reduced
Knott David M Jr162,440$1.00M0.42%00.0%Unchanged
Ikarian Capital, LLC176,690$1.09M0.25%+176,690New
Apis Capital Advisors, LLC196,000$1.21M0.27%−4,000−2.0%Reduced
Susquehanna Portfolio Strategies, LLC199,436$1.23M0.02%00.0%Unchanged
Wellington Management Group LLP226,397$1.40M0.00%+90,636+66.8%Added
Morgan Stanley257,846$1.59M0.00%+22,197+9.4%Added
Birchview Capital, LP296,955$1.83M1.38%+118,187+66.1%Added
Royal Bank of Canada378,240$2.33M0.00%−5,415−1.4%Reduced
Nuveen, LLC394,976$2.44M0.00%−12,868−3.2%Reduced
Parkman Healthcare Partners LLC396,396$2.45M0.27%+396,396New
Panagora Asset Management Inc397,188$2.45M0.01%+397,188New
Dimensional Fund Advisors LP443,541$2.74M0.00%+221,203+99.5%Added
Northern Trust Corp446,516$2.76M0.00%−50,820−10.2%Reduced
Renaissance Technologies LLC463,700$2.86M0.00%+463,700New
Schroder Investment Management Group490,902$2.93M0.00%−91,109−15.7%Reduced
Susquehanna International Group, LLP503,666$3.11M0.00%+154,802+44.4%Added