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Disclosery

SLDB SOLID BIOSCIENCES INC

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COMMON STOCK (common), issuer CIK 1707502

121 managers (125 13F filers) reported a position in SLDB shares at 2025-12-31, 81,373,612 shares in all. 12 filers opened a position and 11 filers sold out during the quarter.

Managers
121
13F filers
125
New
12
Added
36
Reduced
46
Sold out
11
Shares held by filers
81,373,612

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
SMITH IAN Fdirector2026-10-02+3,440 MForm 4

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
PERCEPTIVE ADVISORS LLCin group PERCEPTIVE ADVISORS LLC11,833,539$66.7M1.22%013F-HRTimelineGroup
Bain Capital Life Sciences Investors, L…in group Bain Capital Life Sciences In…7,911,669$44.6M3.42%013F-HRTimelineGroup
Siren, L.L.C.in group Siren, L.L.C.7,690,405$43.4M1.29%+274,50013F-HRTimelineGroup
Vestal Point Capital, LP5,815,000$32.8M1.2%+2,840,00013F-HRTimeline
RA CAPITAL MANAGEMENT, L.P.in group RA CAPITAL MANAGEMENT, L.P.5,811,423$32.8M0.34%013F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.4,869,682$27.5M<0.01%+144,56413F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC3,454,959$19.5M<0.01%+371,10913F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC2,663,863$15M0.01%+71,16613F-HRTimelineGroup
ARMISTICE CAPITAL, LLC2,612,000$14.7M0.36%+1,676,00013F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.2,416,108$13.6M0.02%+1,083,10313F-HRTimelineGroup
FMR LLCin group FMR LLC2,029,898$11.4M<0.01%-884,22913F-HRTimelineGroup
Redmile Group, LLCin group Redmile Group, LLC1,860,542$10.5M0.77%-38,80013F-HRTimelineGroup
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.1,682,805$9.49M0.03%013F-HRTimelineGroup
Nantahala Capital Management, LLCin group Nantahala Capital Management,…1,603,336$9.04M0.54%-95,92213F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources1,599,233$9.02M<0.01%+113F-HRTimelineGroup
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…1,400,000$7.9M0.01%-2,600,00013F-HRTimelineGroup
Monashee Investment Management LLC1,349,771$7.61M4.29%new13F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,267,392$7.15M<0.01%-19,85113F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,087,413$6.13M<0.01%-5,88613F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,006,306$5.68M<0.01%+329,67913F-HR/ATimelineGroup
Finepoint Capital LP961,251$5.42M1.02%013F-HRTimeline
UBS Group AGgroup of 2 filers holding911,908$5.14M+187,763Timeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding815,254$4.6M-4,373Timeline
Birchview Capital, LP705,955$3.98M2.33%+409,00013F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP679,084$3.83M<0.01%+235,54313F-HRTimelineGroup
Parkman Healthcare Partners LLC418,371$2.36M0.22%+21,97513F-HRTimeline
Ally Bridge Group (NY) LLC413,625$2.33M3.7%-135,55713F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP412,777$2.33M<0.01%-33,73913F-HRTimelineGroup
Nuveen, LLCin group TIAA394,976$2.23M<0.01%013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY394,266$2.22M<0.01%+136,42013F-HR/ATimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management360,937$2.04M<0.01%-371,67113F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/344,294$1.94M<0.01%-445,70213F-HRTimelineGroup
Woodline Partners LP316,823$1.79M0.01%-315,00013F-HRTimeline
Boxer Capital Management, LLCin group Boxer Capital Management, LLC300,000$1.69M0.37%-300,00013F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC226,755$1.28M<0.01%-170,43313F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC213,409$1.2M<0.01%+121,82213F-HRTimelineGroup
Apis Capital Advisors, LLC196,000$1.11M0.19%013F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…185,682$1.05M<0.01%-40,71513F-HRTimelineGroup
Schonfeld Strategic Advisors LLC182,869$1.03M0.01%+114,86713F-HRTimeline
Knott David M Jr162,440$916K0.42%013F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co161,537$911K<0.01%-52213F-HRTimelineGroup
Ikarian Capital, LLCin group Ikarian Capital, LLC160,409$905K0.12%-16,28113F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP153,407$865K<0.01%-2,44313F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.152,126$858K<0.01%+34,75813F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp144,699$816K<0.01%-3,96113F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC138,136$779K<0.01%-20,96613F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC131,957$744K<0.01%+90013F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.128,260$723K<0.01%new13F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC116,632$658K<0.01%-793,06913F-HRTimelineGroup
Fisher Asset Management, LLC103,481$584K<0.01%new13F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC97,322$549K<0.01%+26,27113F-HRTimelineGroup
Quantum Private Wealth, LLC94,231$531K0.16%013F-HRTimeline
RHUMBLINE ADVISERS82,572$466K<0.01%-11,70913F-HRTimeline
ALLIANCEBERNSTEIN L.P.81,830$462K<0.01%013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN76,107$429K<0.01%+30,90013F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS74,630$421K<0.01%+1,60013F-HRTimelineGroup
SIMPLEX TRADING, LLC60,534$341K0.01%-23,46713F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC52,800$298K<0.01%-410,90013F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC52,799$298K0.01%-16,28113F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC50,054$282K<0.01%new13F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\39,962$225K<0.01%-12,19813F-HRTimelineGroup
Y-Intercept (Hong Kong) Ltd36,147$204K<0.01%new13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd35,633$201K0.01%new13F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/35,087$198K<0.01%013F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC34,485$194K<0.01%+4,53913F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO31,757$179K<0.01%-3,94613F-HRTimelineGroup
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding31,130$176K+728Timeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.30,600$173K<0.01%013F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD30,007$169K<0.01%-16,99113F-HRTimeline
FOX RUN MANAGEMENT, L.L.C.25,005$141K0.02%+6,49113F-HRTimeline
Creative Planningin group Creative Planning24,889$140K<0.01%+8,57413F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC23,460$132K<0.01%-15,00013F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC22,151$127K<0.01%-1,44113F-HR/ATimelineGroup
Lido Advisors, LLCin group Lido Advisors, LLC20,175$124K<0.01%013F-HRTimelineGroup
SG Americas Securities, LLC20,876$118K<0.01%new13F-HRTimeline
AXQ CAPITAL, LP20,647$116K0.03%-3,38813F-HRTimeline
Jain Global LLC20,270$114K<0.01%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …18,253$103K<0.01%-4,23613F-HRTimelineGroup
Police & Firemen's Retirement System of…17,389$98.1K<0.01%013F-HRTimeline
HRT FINANCIAL LP14,919$84K<0.01%-141,90313F-HRTimeline
ProShare Advisors LLC14,218$80.2K<0.01%+1,36213F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO13,078$73.8K<0.01%013F-HRTimelineGroup
China Universal Asset Management Co., L…12,695$71.6K0.01%-95413F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC11,160$62.9K<0.01%013F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC10,852$61.2K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…10,671$60.2K<0.01%+3,66913F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P10,574$59.6K<0.01%+34613F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…7,204$40.6K<0.01%-3,00713F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND7,100$40K<0.01%013F-HRTimeline
GROUP ONE TRADING LLC6,553$37K<0.01%+1,80313F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc5,270$29.7K<0.01%013F-HRTimelineGroup
Steward Partners Investment Advisory, L…4,955$27.9K<0.01%013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…4,926$27.8K<0.01%013F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC4,836$27.3K<0.01%-55,70013F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC4,952$27K<0.01%new13F-HRTimelineGroup
CWM, LLCin group CWM, LLC4,494$25K<0.01%+1513F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA4,296$24K<0.01%-373,94413F-HRTimelineGroup
Aquatic Capital Management LLC3,710$20.9K<0.01%new13F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…3,631$20.5K<0.01%-49113F-HRTimeline
CITIGROUP INCin group CITIGROUP INC3,507$19.8K<0.01%-2,68513F-HRTimelineGroup
Sterling Capital Management LLC3,398$19.2K<0.01%-67013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.2,017$11.4K<0.01%+1,98713F-HRTimelineGroup
AMALGAMATED BANK1,852$10K<0.01%+1,07313F-HRTimeline
QUADRANT CAPITAL GROUP LLC1,605$9.05K<0.01%+1,17413F-HRTimeline
GF FUND MANAGEMENT CO. LTD.1,530$8.63K<0.01%-14513F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.1,000$6K<0.01%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
SBI Securities Co., Ltd.756$4.26K<0.01%-813F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…656$3.7K<0.01%-12813F-HRTimelineGroup
True Wealth Design, LLC582$3.28K<0.01%+1813F-HRTimeline
Osbon Capital Management LLC501$2.83K<0.01%13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…344$1.94K<0.01%+24413F-HR/ATimelineGroup
Physician Wealth Advisors, Inc.312$1.76K<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.304$1.72K<0.01%-10813F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\300$1.69K<0.01%013F-HRTimelineGroup
IFP Advisors, Inc298$1.68K<0.01%013F-HRTimeline
GAMMA Investing LLC242$1.36K<0.01%+14613F-HRTimeline
Larson Financial Group LLC222$1.25K<0.01%new13F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.231$1K<0.01%-16913F-HRTimelineGroup
Basecamp Wealth Advisors LLC137$773<0.01%13F-HRTimeline
Parkside Financial Bank & Trust135$762<0.01%013F-HRTimeline
MAI Capital Management123$694<0.01%013F-HRTimeline

Events

  • SMITH IAN F acquired 3,440 SLDB shares on 2026-10-02, Form 4 filed 2026-10-06. 0001193125-26-415649

    Accepted , ingested