13F Insight
DOSSIER · 13F Holders · Q1 2026Mega-capCrowded
SLDB

SOLID BIOSCIENCES INC

138 institutions still hold SOLID BIOSCIENCES INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 83422E204·138 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 8.3%
vs prior quarter
13F value held
$592M
74.0% inst. owned
of float
Holders
138
+76 QoQ
filers reporting
Activity
+28 / −32
+869 added · −819 reduced
this quarter
Concentration
14.49%
PERCEPTIVE ADVISORS LLC #1
top holder share
AI Holders Summary · Q1 2026

138 institutions reported SLDB in Q1 2026. PERCEPTIVE ADVISORS LLC leads at 14.5% of the visible book. +76 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
PERCEPTIVE ADVISORS LLC
CIK 0001224962
$86M11.9M1.68%Q1 202602
Bain Capital Life Sciences Investors, LLC
CIK 0001703031
$71M9.8M6.37%Q1 202603
RA CAPITAL MANAGEMENT, L.P.
CIK 0001346824
$67M9.3M0.71%Q1 202604
Siren, L.L.C.
CIK 0002005245
$55M7.7M1.53%Q1 202605
Vestal Point Capital, LP
CIK 0001974915
$36M5.0M1.01%Q1 202606
BlackRock, Inc.
CIK 0002012383
$36M5.0M0.00%Q1 202607
JANUS HENDERSON GROUP PLC
CIK 0001274173
$29M4.0M0.01%Q1 202608
FMR LLC
CIK 0000315066
$26M3.6M0.00%Q1 202609
Deep Track Capital, LP
CIK 0001856083
$26M3.6M0.42%Q1 202610
ARMISTICE CAPITAL, LLC
CIK 0001601086
$23M3.2M0.41%Q1 202611
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$19M2.7M0.00%Q1 202612
AMERIPRISE FINANCIAL INC
CIK 0000820027
$18M2.4M0.00%Q1 202613
FRANKLIN RESOURCES INC
CIK 0000038777
$16M2.2M0.00%Q1 202614
CITADEL ADVISORS LLC
CIK 0001423053
$15M2.7M0.00%Q4 202515
Point72 Asset Management, L.P.
CIK 0001603466
$15M2.1M0.02%Q1 202616
Redmile Group, LLC
CIK 0001425738
$14M2.0M0.96%Q1 202617
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$13M1.8M0.02%Q1 202618
Monashee Investment Management LLC
CIK 0001627608
$10M1.4M5.56%Q1 202619
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$9M1.3M0.00%Q1 202620
Nantahala Capital Management, LLC
CIK 0001472322
$8M1.2M0.31%Q1 2026
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